:root {
    --bg: #f8fafc;
    --card: #ffffff;
    --text: #182433;
    --muted: #5e6b78;
    --line: #d8e1eb;
    --primary: #0f6cbd;
    --primary-hover: #0c5ea7;
    --primary-soft: #eef4fa;
    --navy: #0b2343;
    --blue: #0f6cbd;
    --blue-soft: #eef4fa;
    --danger: #b42318;
    --focus-ring: rgba(15, 108, 189, 0.24);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
}

body.modal-open { overflow: hidden; }

.topbar {
    background: #ffffff;
    border-bottom: 1px solid var(--line);
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    font-weight: 800;
    text-decoration: none;
    color: var(--text);
}

nav a {
    margin-left: 16px;
    color: var(--primary);
    text-decoration: none;
}

.container {
    width: min(1180px, 94vw);
    margin: 24px auto;
}

.card,
.hero-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 8px 24px rgba(23, 32, 51, 0.05);
}

.hero-card { background: linear-gradient(135deg, #ffffff, #eef4fa); }
.narrow { max-width: 520px; margin-left: auto; margin-right: auto; }

h1, h2, h3 { margin-top: 0; }

.eyebrow {
    margin: 0 0 6px;
    color: var(--primary);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.78rem;
}

.lead {
    font-size: 1.05rem;
    color: #344054;
    max-width: 760px;
}

.hint {
    color: var(--muted);
    font-size: 0.92rem;
}

.form-description {
    margin: -4px 0 8px;
    color: #344054;
    font-size: 1.05rem;
    font-weight: 650;
}

.instructions p {
    margin: 0 0 12px;
    line-height: 1.55;
}

label {
    display: block;
    margin-top: 14px;
    margin-bottom: 6px;
    font-weight: 650;
}

input, select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 10px;
    font: inherit;
}

.money-input.has-warning {
    border-color: #d97706;
    background: #fffbeb;
}

button, .button {
    display: inline-block;
    background: var(--primary);
    color: #ffffff;
    border: 0;
    border-radius: 10px;
    padding: 10px 14px;
    text-decoration: none;
    font-weight: 700;
    cursor: pointer;
}

button:disabled { opacity: 0.5; cursor: not-allowed; }
.secondary { background: #eef2f8; color: var(--text); }
.danger { background: var(--danger); color: #ffffff; }

.actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.top-actions { margin-top: 0; }

.sticky-actions {
    position: sticky;
    bottom: 0;
    padding: 14px 0 0;
    background: linear-gradient(transparent, #ffffff 35%);
}

.row { display: flex; gap: 16px; align-items: center; }
.between { justify-content: space-between; }

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
}

th, td {
    padding: 11px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 0.88rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.alert {
    padding: 12px 14px;
    border-radius: 10px;
    margin: 12px 0;
    background: #eef2f8;
}

.alert.danger { background: #fee4e2; color: #7a271a; }
.alert.success { background: #dcfae6; color: #064e3b; }

.pill, .status {
    display: inline-block;
    border-radius: 999px;
    padding: 4px 9px;
    font-size: 0.82rem;
    font-weight: 700;
    background: #eef2f8;
    color: var(--text);
}

.green, .prompt_correct { background: #dcfae6; color: #064e3b; }
.yellow, .logic_correct { background: #fef0c7; color: #7a4d00; }
.red, .incorrect { background: #fee4e2; color: #7a271a; }
.blank { background: #eef2f8; color: var(--muted); }

.materials-layout {
    display: grid;
    grid-template-columns: 230px minmax(0, 1fr);
    gap: 18px;
}

.materials-tabs { display: grid; gap: 10px; align-content: start; }

.material-tab {
    width: 100%;
    background: #fff;
    color: var(--text);
    border: 1px solid var(--line);
    text-align: left;
}

.material-tab.active {
    background: var(--primary-soft);
    border-color: var(--primary);
}

.material-panel {
    display: none;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 18px;
    background: #fff;
}

.material-panel.active { display: block; }

.material-preview {
    width: 100%;
    min-height: 520px;
    border: 1px solid var(--line);
    border-radius: 12px;
    margin-top: 14px;
}

.instruction-card { padding: 0; overflow: hidden; }

.section-toggle {
    width: 100%;
    background: #fff;
    color: var(--text);
    border-radius: 16px 16px 0 0;
    padding: 18px 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    border-bottom: 1px solid var(--line);
}

.section-toggle em {
    display: block;
    font-style: normal;
    font-weight: 500;
    color: var(--muted);
    margin-top: 4px;
}

.section-toggle.collapsed {
    border-bottom: 0;
    border-radius: 16px;
}

.section-toggle-icon {
    font-size: 1.4rem;
    line-height: 1;
    color: var(--primary);
}

.collapsible-panel { padding: 20px 22px 22px; }

.compact-materials {
    border-top: 1px solid var(--line);
    margin-top: 16px;
    padding-top: 16px;
}

.compact-materials h3 {
    font-size: 1rem;
    margin-bottom: 10px;
}

.compact-material-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 12px;
}

.compact-material-card {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 14px;
    background: #f8fafc;
}

.compact-material-card p {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.form-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 14px;
}

.form-card {
    display: grid;
    gap: 12px;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 16px;
    text-decoration: none;
    color: var(--text);
    background: #fff;
}

.form-card:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 20px rgba(15, 108, 189, 0.08);
}

.form-card span {
    display: block;
    color: var(--muted);
    margin-top: 3px;
}

.form-card-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.workspace-layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
    transition: grid-template-columns 160ms ease;
}

.workspace-layout.forms-collapsed { grid-template-columns: 86px minmax(0, 1fr); }

.form-tabs {
    position: sticky;
    top: 18px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 12px;
    box-shadow: 0 8px 24px rgba(23, 32, 51, 0.04);
}

.collapse-toggle {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #eef2f8;
    color: var(--text);
    margin-bottom: 12px;
}

.collapse-icon {
    font-size: 1.4rem;
    line-height: 1;
}

.tab-link {
    border: 1px solid var(--line);
    border-radius: 12px;
    margin-bottom: 10px;
    background: #fff;
    overflow: hidden;
}

.tab-link.active {
    border-color: var(--primary);
    background: var(--primary-soft);
}

.tab-main-link {
    display: block;
    text-decoration: none;
    color: var(--text);
    padding: 12px;
}

.tab-name {
    display: block;
    font-weight: 750;
}

.tab-seq,
.tab-status {
    display: inline-block;
    font-style: normal;
    font-size: 0.78rem;
    margin-top: 6px;
    color: var(--muted);
}

.official-links {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    padding: 0 12px 12px;
}

.official-links a,
.inline-links a {
    font-size: 0.82rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
}

.inline-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.form-tabs.collapsed .form-tabs-inner { display: none; }

.form-tabs.collapsed .collapse-toggle {
    writing-mode: vertical-rl;
    min-height: 130px;
    justify-content: center;
    gap: 8px;
}

.form-tabs.collapsed .collapse-icon { transform: rotate(180deg); }

.check-badge {
    min-width: 92px;
    text-align: center;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 10px;
    background: #f8fafc;
}

.check-badge strong {
    display: block;
    font-size: 1.65rem;
}

.check-badge span {
    display: block;
    color: var(--muted);
    font-size: 0.78rem;
}

.money-entry-note {
    margin-top: 16px;
    padding: 12px 14px;
    border-radius: 12px;
    background: #f8fafc;
    border: 1px solid var(--line);
    color: #344054;
    font-size: 0.94rem;
    line-height: 1.45;
}

.money-entry-note code {
    background: #eef2f8;
    padding: 1px 5px;
    border-radius: 6px;
}

.autosave-status {
    margin-top: 12px;
    color: var(--muted);
    font-size: 0.9rem;
}

.autosave-status.saving { color: #7a4d00; }
.autosave-status.saved { color: #064e3b; }
.autosave-status.error { color: #7a271a; }

.field-warning {
    margin: 6px 0 0;
    color: #92400e;
    font-size: 0.84rem;
    font-weight: 650;
}

.line-entry-list { display: grid; gap: 12px; }

.line-entry {
    display: grid;
    grid-template-columns: 90px minmax(0, 1fr) 180px;
    gap: 16px;
    align-items: center;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px;
    background: #fff;
}

.line-number {
    font-weight: 800;
    color: var(--primary);
}

.line-label label { margin: 0; }
.line-label .hint { margin: 5px 0 0; }

.feedback-list { display: grid; gap: 10px; }

.feedback-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
}

.feedback-row p { margin: 4px 0 0; }
.points { font-weight: 800; }

.summary-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(120px, 1fr));
    gap: 12px;
    margin: 16px 0;
}

.summary-grid div {
    background: #f8fafc;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 14px;
}

.summary-grid strong {
    display: block;
    font-size: 1.8rem;
}

.summary-grid span { color: var(--muted); }

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    display: grid;
    place-items: center;
    padding: 18px;
    z-index: 9999;
}

.modal-backdrop[hidden] { display: none; }

.modal-dialog {
    width: min(460px, 100%);
    background: #fff;
    border-radius: 18px;
    padding: 24px;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.28);
    border: 1px solid var(--line);
}

.modal-dialog h2 { margin-bottom: 10px; }

.modal-dialog p {
    color: #344054;
    line-height: 1.45;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 22px;
}

.sr-only {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

code { white-space: pre-wrap; }

.print-page {
    background: #fff;
    padding: 24px;
}

@media (max-width: 850px) {
    .container {
        width: min(100% - 24px, 1180px);
        margin: 12px auto;
    }

    .topbar { padding: 12px; }

    .row.between {
        align-items: flex-start;
        flex-direction: column;
    }

    .materials-layout { grid-template-columns: 1fr; }

    .materials-tabs {
        display: flex;
        overflow-x: auto;
        padding-bottom: 4px;
    }

    .material-tab {
        min-width: 180px;
        white-space: nowrap;
    }

    .material-preview { min-height: 400px; }

    .workspace-layout,
    .workspace-layout.forms-collapsed {
        display: block;
    }

    .form-tabs {
        position: static;
        margin-bottom: 16px;
    }

    .form-tabs.collapsed .form-tabs-inner { display: none; }

    .form-tabs.collapsed .collapse-toggle {
        writing-mode: horizontal-tb;
        min-height: 0;
    }

    .form-tabs.collapsed .collapse-icon { transform: rotate(90deg); }

    .line-entry {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .line-input input { font-size: 1.05rem; }

    .summary-grid { grid-template-columns: repeat(2, 1fr); }

    .feedback-row { grid-template-columns: 1fr; }

    .actions button,
    .actions .button {
        width: 100%;
    }

    .modal-actions { flex-direction: column-reverse; }

    .modal-actions button { width: 100%; }
}

@media print {
    .topbar, .button, .form-tabs, .actions, .modal-backdrop { display: none; }
    body { background: #fff; }
    .card, .hero-card { box-shadow: none; border: 0; padding: 0; }
    .workspace-layout { display: block; }
}


.prof-assignment-block { border: 1px solid var(--line); border-radius: 14px; padding: 18px; margin: 18px 0; background: #fff; }
.prof-settings-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; margin-top: 14px; }
.prof-setting-card { border: 1px solid var(--line); border-radius: 14px; padding: 16px; background: #f8fafc; }
.prof-setting-card h4, .extra-checks-table h4 { margin: 0 0 8px; }
.extra-checks-table { margin-top: 16px; }


.instructor-section-heading {
    align-items: flex-start;
    margin-bottom: 14px;
}

.instructor-filter {
    margin: 12px 0 18px;
    max-width: 520px;
}

.instructor-assignment-actions {
    margin-top: 0;
    align-items: center;
}

.prof-setting-card .form-submit-button,
.prof-setting-card > button[type="submit"] {
    margin-top: 14px;
}

.prof-setting-card input + button,
.prof-setting-card select + button {
    margin-top: 14px;
}

.prof-setting-card label {
    margin-top: 12px;
}


.management-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 14px;
    margin-top: 14px;
}

.management-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 18px;
    margin-top: 20px;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
    font-weight: 650;
}

.checkbox-row input {
    width: auto;
}

.form-submit-button {
    margin-top: 14px;
}


/* v12 dashboard tabs and form spacing */
.card form > button[type="submit"],
.card form .form-submit-button,
.narrow form > button[type="submit"] {
    margin-top: 16px;
}

.instructor-tabs-layout {
    display: grid;
    grid-template-columns: 230px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

.instructor-tabs {
    position: sticky;
    top: 18px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 12px;
    box-shadow: 0 8px 24px rgba(23, 32, 51, 0.04);
}

.instructor-tab {
    width: 100%;
    background: #fff;
    color: var(--text);
    border: 1px solid var(--line);
    text-align: left;
    margin-bottom: 10px;
}

.instructor-tab.active {
    background: var(--primary-soft);
    border-color: var(--primary);
    color: var(--text);
}

.instructor-panel {
    display: none;
}

.instructor-panel.active {
    display: block;
}

.instructor-tab-panels > .instructor-panel > .card:first-child {
    margin-top: 0;
}

.management-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 14px;
    margin-top: 14px;
}

.management-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 18px;
    margin-top: 20px;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
    font-weight: 650;
}

.checkbox-row input {
    width: auto;
}

@media (max-width: 850px) {
    .instructor-tabs-layout {
        display: block;
    }

    .instructor-tabs {
        position: static;
        display: flex;
        overflow-x: auto;
        gap: 8px;
        margin-bottom: 16px;
    }

    .instructor-tab {
        min-width: 160px;
        margin-bottom: 0;
        white-space: nowrap;
    }
}


/* v13 detail screens */
.single-row-form {
    align-items: end;
}

.reset-passcode-box {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #f8fafc;
    padding: 16px;
    margin-top: 18px;
}

.reset-passcode-box h3 {
    margin-bottom: 6px;
}

.instructor-tab-panels a,
.card a {
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
}

.instructor-tab-panels a:hover,
.card a:hover {
    text-decoration: underline;
}


/* v14 fixes */
a.button,
.card a.button,
.instructor-tab-panels a.button,
.hero-card a.button {
    color: #ffffff;
    text-decoration: none;
}

a.button.secondary,
.card a.button.secondary,
.instructor-tab-panels a.button.secondary,
.hero-card a.button.secondary {
    color: var(--text);
}

button.danger,
.button.danger,
.card a.button.danger {
    color: #ffffff;
}

.instructor-tabs {
    min-width: 0;
}

.grade-export-box,
.lock-all-box {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #f8fafc;
    padding: 16px;
    margin-top: 16px;
    margin-bottom: 16px;
}

.lock-all-box h4 {
    margin: 0 0 6px;
}

.inline-action-form {
    display: inline-block;
    margin-left: 10px;
}

.small-button {
    padding: 6px 9px;
    font-size: 0.84rem;
    border-radius: 8px;
}


/* v15 */
.grade-filter-box {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
    padding: 16px;
    margin-top: 16px;
    margin-bottom: 16px;
}

.grade-filter-box h3,
.grade-export-box h3 {
    margin-top: 0;
    margin-bottom: 8px;
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    display: grid;
    place-items: center;
    padding: 18px;
    z-index: 9999;
}

.modal-backdrop[hidden] {
    display: none;
}

.modal-dialog {
    width: min(460px, 100%);
    background: #fff;
    border-radius: 18px;
    padding: 24px;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.28);
    border: 1px solid var(--line);
}

.modal-dialog h2 {
    margin-bottom: 10px;
}

.modal-dialog p {
    color: #344054;
    line-height: 1.45;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 22px;
}


/* v16 assignment collapse and student section filtering */
.pill,
.status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 1.15;
    min-height: 28px;
}

.assignment-collapse-header {
    width: 100%;
    background: #fff;
    color: var(--text);
    border: 0;
    padding: 0;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    text-align: left;
    align-items: center;
}

.assignment-collapse-header:hover {
    text-decoration: none;
}

.assignment-header-main {
    display: grid;
    gap: 4px;
}

.assignment-header-main strong {
    font-size: 1.05rem;
}

.assignment-header-main em {
    font-style: normal;
    color: var(--muted);
    font-weight: 500;
}

.assignment-header-main small {
    color: var(--muted);
}

.assignment-header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.assignment-caret {
    color: var(--primary);
    font-size: 1.25rem;
    font-weight: 900;
}

.assignment-collapse-body {
    margin-top: 16px;
}

.prof-assignment-block.collapsed .assignment-collapse-body {
    display: none;
}

.assignment-action-row {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-bottom: 14px;
}

.filter-group {
    min-width: 260px;
}

.filter-group label {
    margin-top: 0;
}

.section-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #eef2f8;
    color: var(--text);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 4px 9px;
    margin: 2px 4px 2px 0;
    font-size: 0.82rem;
    font-weight: 650;
}

@media (max-width: 850px) {
    .assignment-collapse-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .assignment-header-actions {
        width: 100%;
        justify-content: space-between;
    }

    .filter-group {
        width: 100%;
    }
}


/* v17 collapsible management form cards */
.management-card-collapsible {
    padding: 0;
    overflow: hidden;
}

.management-collapse-header {
    width: 100%;
    background: #fff;
    color: var(--text);
    border: 0;
    border-radius: 14px;
    padding: 16px;
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: center;
    text-align: left;
}

.management-collapse-header:hover {
    text-decoration: none;
}

.management-collapse-title {
    display: grid;
    gap: 4px;
}

.management-collapse-title strong {
    font-size: 1rem;
}

.management-collapse-title em {
    font-style: normal;
    color: var(--muted);
    font-weight: 500;
    line-height: 1.35;
}

.management-collapse-caret {
    color: var(--primary);
    font-size: 1.25rem;
    font-weight: 900;
    flex-shrink: 0;
}

.management-collapse-body {
    padding: 0 16px 16px;
    border-top: 1px solid var(--line);
}

.management-card-collapsible.collapsed .management-collapse-body {
    display: none;
}

.management-card-collapsible:not(.collapsed) .management-collapse-header {
    border-radius: 14px 14px 0 0;
}

.management-card-collapsible .management-collapse-body h4 {
    display: none;
}

.management-card-collapsible .management-collapse-body > .hint:first-of-type {
    display: none;
}

@media (max-width: 850px) {
    .management-collapse-header {
        align-items: flex-start;
    }
}


/* v18 course setup stacked layout */
.management-stack {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 14px;
}

.course-setup-stack > .prof-setting-card {
    width: 100%;
}

.course-setup-stack .management-collapse-header {
    min-height: 72px;
}


/* v19 navigation link polish */
.section-chip-link {
    text-decoration: none;
    color: var(--text);
}

.section-chip-link:hover {
    border-color: var(--primary);
    color: var(--primary);
    text-decoration: none;
}


/* v20 students tab section links */
.student-section-link-row {
    margin: 2px 0;
    line-height: 1.35;
}

.student-section-link-row a {
    font-weight: 700;
}


/* v21 active/inactive filtering */
.filter-pair {
    display: flex;
    gap: 12px;
    align-items: end;
    flex-wrap: wrap;
}

.compact-heading {
    align-items: end;
    margin-bottom: 6px;
}

.compact-heading h3 {
    margin-bottom: 4px;
}


/* v22 drag/drop ordering */
.reorder-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 10px 0 12px;
}

.drag-handle {
    width: 52px;
    text-align: center;
    color: var(--muted);
    cursor: grab;
    font-weight: 900;
    font-size: 1.1rem;
    user-select: none;
}

tr.dragging {
    opacity: 0.55;
    outline: 2px dashed var(--primary);
}

.reorder-table tbody tr {
    transition: background 0.12s ease;
}

.reorder-table tbody tr:hover .drag-handle {
    color: var(--primary);
}


/* v22.5 safe delete */
.danger-zone {
    border-color: #fecaca;
    background: #fff7f7;
}

.danger-zone h2 {
    color: #991b1b;
}


/* v22.6 assignment reset action */
.inline-action-form .small-button {
    white-space: nowrap;
}


/* v22.7 inline table action alignment */
td .inline-action-form,
.inline-action-form {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    margin: 0;
    vertical-align: middle;
}

.inline-action-form .small-button,
td .inline-action-form .small-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 0;
    line-height: 1;
    vertical-align: middle;
}

td:has(.inline-action-form) {
    vertical-align: middle;
}


/* v22.8 fix: override global .card form > button submit margin for inline table actions */
.card form.inline-action-form > button[type="submit"],
.card form.inline-action-form > button[type="submit"].small-button,
td form.inline-action-form > button[type="submit"],
td form.inline-action-form > button[type="submit"].small-button,
table form.inline-action-form > button[type="submit"],
table form.inline-action-form > button[type="submit"].small-button {
    margin-top: 0 !important;
    margin-bottom: 0;
}

.card td form.inline-action-form,
.card table form.inline-action-form {
    margin: 0;
    display: inline-flex;
    align-items: center;
}


/* v23 enrollment delete and section-aware submissions */
.table-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}


/* v23.1 fix: keep action cells as real table cells so borders line up */
td.table-actions {
    display: table-cell !important;
    vertical-align: middle;
}

td.table-actions > a,
td.table-actions > form,
td.table-actions > span {
    margin-right: 10px;
    vertical-align: middle;
}

td.table-actions > :last-child {
    margin-right: 0;
}

td.table-actions form.inline-action-form {
    display: inline-flex;
    align-items: center;
}


/* v24 availability / late policy */
.alert.warning {
    background: #fffbeb;
    border-color: #f59e0b;
    color: #92400e;
}

.prof-setting-card select[multiple] {
    min-height: 120px;
}

.extra-checks-table table td,
.extra-checks-table table th {
    vertical-align: middle;
}


/* v24.3 assignment detail */
.inline-edit-form {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    margin: 0;
}

.inline-edit-form input,
.inline-edit-form select {
    width: auto;
    min-width: 150px;
}

.compact-checkbox {
    gap: 4px;
    margin: 0;
    white-space: nowrap;
}

.hero-card .actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}


/* v24.4 late-policy editing */
.nested-form {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
    margin: 12px 0;
    background: rgba(255,255,255,0.6);
}

.policy-edit-form {
    align-items: flex-start;
}

.policy-edit-form input,
.policy-edit-form select {
    min-width: 120px;
    width: auto;
}

.compact-table td,
.compact-table th {
    vertical-align: top;
}

.inline-edit-form.policy-edit-form {
    display: contents;
}

.inline-edit-form.policy-edit-form button {
    margin-top: 0 !important;
}


/* v24.5 late penalty organization */
.explanation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 10px;
    margin: 12px 0 16px;
}

.explanation-grid > div {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
    background: rgba(255,255,255,0.7);
}

.explanation-grid strong,
.explanation-grid span {
    display: block;
}

.explanation-grid span {
    color: var(--muted);
    margin-top: 4px;
    font-size: 0.92rem;
}

.settings-list {
    display: grid;
    gap: 10px;
}

.settings-details {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: rgba(255,255,255,0.75);
    margin: 12px 0;
    overflow: hidden;
}

.settings-details > summary {
    cursor: pointer;
    padding: 12px 14px;
    font-weight: 700;
    list-style-position: inside;
}

.settings-details > summary small {
    display: block;
    color: var(--muted);
    font-weight: 500;
    margin-top: 3px;
}

.settings-form {
    padding: 0 14px 14px;
    margin: 0;
    display: grid;
    gap: 12px;
}

.settings-form fieldset {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
    display: grid;
    gap: 8px;
}

.settings-form legend {
    font-weight: 700;
    padding: 0 6px;
}

.settings-form label {
    margin-top: 4px;
}

.settings-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.availability-summary-table td,
.availability-summary-table th {
    vertical-align: top;
}

.compact-settings {
    min-width: 320px;
    max-width: 620px;
}

.compact-settings .settings-form {
    padding-top: 0;
}

.add-section-settings {
    margin-top: 18px;
}

.late-defaults-card h5 {
    margin-top: 18px;
}


/* v24.6 linked student/section override dropdowns */
[data-linked-override-message] {
    margin-top: 4px;
}

select option[hidden] {
    display: none;
}


/* v24.8: hide empty linked-override helper text so dropdowns align */
.linked-override-message[hidden],
[data-linked-override-message]:empty {
    display: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

.linked-override-form > div {
    align-self: start;
}

.linked-override-form select {
    margin-bottom: 0;
}


/* v24.9 late penalty default delete / collapse polish */
.delete-default-row {
    padding: 0 14px 14px;
    margin-top: -4px;
}

.delete-default-row .inline-action-form {
    margin: 0;
}

.late-defaults-card.management-card-collapsible .settings-details {
    margin-left: 0;
    margin-right: 0;
}

.late-defaults-card.management-card-collapsible .management-collapse-body {
    display: grid;
    gap: 12px;
}


/* v24.10: pre-rendered collapsible late defaults card */
.late-defaults-card[data-static-management-collapse-card] {
    padding: 0;
    overflow: hidden;
}

.late-defaults-card[data-static-management-collapse-card].collapsed .management-collapse-body {
    display: none;
}

.late-defaults-card[data-static-management-collapse-card] .management-collapse-body {
    padding: 0 16px 16px;
    border-top: 1px solid var(--line);
}

.late-defaults-card[data-static-management-collapse-card] .management-collapse-body h4,
.late-defaults-card[data-static-management-collapse-card] .management-collapse-body > .hint:first-of-type {
    display: none;
}


/* v24.11 student preview */
.preview-hero {
    border-left: 6px solid #7c3aed;
}

.preview-student-bar .inline-edit-form {
    justify-content: flex-end;
}

.preview-link-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
    margin-top: 12px;
}

.preview-link-card {
    display: grid;
    gap: 6px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 12px;
    text-decoration: none;
    background: rgba(255,255,255,0.75);
}

.preview-link-card:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.preview-link-card span {
    color: var(--muted);
    font-size: 0.92rem;
}

.student-preview-surface {
    background: linear-gradient(135deg, rgba(255,255,255,0.92), rgba(245,247,251,0.96));
}

.disabled-link {
    pointer-events: none;
    opacity: 0.7;
}

.preview-disabled-actions button[disabled] {
    opacity: 0.65;
}


/* v24.12 assignment-section edit safety */
.assignment-section-settings-data {
    display: none !important;
}

[data-assignment-section-form] .compact-checkbox {
    margin-top: 4px;
}


/* v25 instructor usability refactor */
.assignment-detail-hero .actions,
.assignment-detail-hero .top-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.assignment-workflow-nav {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    padding: 10px 0;
    margin: 10px 0 14px;
    background: var(--bg, #f7f8fb);
    border-bottom: 1px solid var(--line);
}

.assignment-workflow-nav a {
    padding: 8px 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.92rem;
}

.assignment-workflow-nav a.active,
.assignment-workflow-nav a:hover {
    box-shadow: var(--shadow);
    transform: translateY(-1px);
}

.hierarchy-strip {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
    margin: 10px 0 16px;
}

.hierarchy-strip span {
    display: inline-flex;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: #fff;
    font-weight: 700;
    font-size: 0.9rem;
}

.assignment-detail-grid {
    margin-top: 8px;
}

.two-column-tables {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.danger-zone {
    margin: 14px;
    padding: 12px;
    border: 1px solid #fecaca;
    border-radius: 12px;
    background: #fff7f7;
    display: grid;
    gap: 10px;
}

.assignment-dashboard-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin: 12px 0;
}

.assignment-dashboard-summary > div {
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
}

.assignment-dashboard-summary strong,
.assignment-dashboard-summary span {
    display: block;
}

.assignment-dashboard-summary span {
    color: var(--muted);
    font-size: 0.9rem;
    margin-top: 3px;
}

.compact-overview-table table td,
.compact-overview-table table th {
    vertical-align: top;
}

.assignment-overview-body .prof-settings-grid,
.assignment-overview-body .lock-all-box {
    display: none;
}


/* v25.1 unlock controls */
.table-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.table-actions .inline-action-form {
    margin: 0;
}

button.secondary.small-button {
    background: #eef2f7;
    color: var(--text);
    border: 1px solid var(--line);
}




/* v25.4: separate create/link and edit-existing assignment-section forms */
.add-section-settings {
    margin-top: 16px;
}

.add-section-settings summary {
    font-weight: 700;
}

.availability-summary-table .table-actions,
.table-actions {
    gap: 8px;
}


/* v25.5 assignment dashboard overview */
.assignment-overview-table td {
    vertical-align: middle;
}

.assignment-overview-actions {
    min-width: 280px;
}

.assignment-overview-actions .button.small-button {
    text-decoration: none;
}

.assignment-overview-table .hint {
    margin: 3px 0 0;
}


/* v25.6 form-polish helpers */
.enrollment-status-message {
    border-left: 3px solid var(--accent);
    padding-left: 10px;
}

.late-policy-usage-box {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px;
    background: rgba(255,255,255,0.65);
    margin-bottom: 12px;
}

.usage-links-details {
    margin-top: 8px;
}

.linked-assignment-list {
    margin: 8px 0 0;
    padding-left: 18px;
}

.linked-assignment-list li {
    margin: 5px 0;
}

.override-inherited-panel {
    grid-column: 1 / -1;
    display: grid;
    gap: 4px;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px;
    background: rgba(248,250,252,0.9);
}

.override-inherited-panel strong {
    margin-bottom: 2px;
}

.override-inherited-panel span {
    color: var(--muted);
}

.override-inherited-panel em {
    color: var(--text);
    font-style: normal;
    font-weight: 600;
}


/* v25.7 compact assignment overview table */
.compact-assignment-table th,
.compact-assignment-table td {
    padding: 14px;
}

.compact-assignment-table .assignment-title-cell {
    min-width: 260px;
    max-width: 340px;
}

.compact-assignment-table .assignment-title-cell strong {
    display: inline-block;
    margin-right: 8px;
}

.compact-assignment-table .hint {
    display: block;
    margin: 2px 0 0;
}

.detail-chip {
    appearance: none;
    border: 1px solid var(--line);
    background: #f8fafc;
    color: var(--muted);
    border-radius: 999px;
    padding: 3px 8px;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: default;
    vertical-align: middle;
}

.hover-detail-wrap {
    position: relative;
    display: inline-block;
}

.hover-detail-card {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    z-index: 20;
    width: min(340px, 80vw);
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: white;
    color: var(--text);
    box-shadow: var(--shadow);
    line-height: 1.4;
}

.hover-detail-card span {
    display: block;
    margin-bottom: 6px;
}

.hover-detail-card span:last-child {
    margin-bottom: 0;
}

.hover-detail-wrap:hover .hover-detail-card,
.hover-detail-wrap:focus-within .hover-detail-card {
    display: block;
}

.assignment-overview-actions {
    min-width: 210px;
}

.assignment-overview-actions .button.small-button {
    padding: 8px 10px;
}

@media (max-width: 900px) {
    .compact-assignment-table .assignment-title-cell {
        min-width: 220px;
    }

    .hover-detail-card {
        left: auto;
        right: 0;
    }
}


/* v25.8: simplify assignment dashboard table */
.simple-assignment-table th,
.simple-assignment-table td {
    padding: 14px 18px;
}

.simple-assignment-table .assignment-title-cell {
    min-width: 320px;
    max-width: none;
}

.simple-assignment-table .assignment-title-cell strong {
    margin-right: 0;
}

.simple-assignment-table .assignment-overview-actions {
    min-width: 250px;
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 8px;
}

.simple-assignment-table .assignment-overview-actions .button.small-button {
    white-space: nowrap;
}

@media (max-width: 900px) {
    .simple-assignment-table .assignment-title-cell {
        min-width: 240px;
    }

    .simple-assignment-table .assignment-overview-actions {
        flex-wrap: wrap;
        min-width: 180px;
    }
}


/* v25.9: allow assignment action buttons to wrap cleanly */
.simple-assignment-table .assignment-overview-actions-cell {
    min-width: 0;
    width: 1%;
    white-space: normal;
}

.simple-assignment-table .assignment-action-group {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    column-gap: 8px;
    row-gap: 10px;
    max-width: 100%;
}

.simple-assignment-table .assignment-action-group .button.small-button {
    white-space: nowrap;
    margin: 0;
}

@media (max-width: 900px) {
    .simple-assignment-table .assignment-action-group {
        row-gap: 12px;
    }
}


/* v25.10: assignment title is the open link; actions only need Preview/CSV */
.simple-assignment-table .assignment-overview-actions-cell {
    width: auto;
}

.simple-assignment-table .assignment-action-group {
    min-width: 150px;
}

@media (max-width: 900px) {
    .simple-assignment-table .assignment-action-group {
        min-width: 0;
    }
}


/* v25.11: late penalty/check limit hierarchy clarity */
.check-hierarchy-card {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    gap: 10px;
    align-items: stretch;
    margin: 16px 0;
}

.check-hierarchy-step {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px;
    background: rgba(248,250,252,0.92);
    display: grid;
    gap: 4px;
}

.check-hierarchy-step strong {
    color: var(--text);
}

.check-hierarchy-step span {
    color: var(--muted);
    font-size: 0.9rem;
}

.check-hierarchy-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    font-weight: 800;
    font-size: 1.2rem;
}

.effective-check-limits {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px;
    background: rgba(255,255,255,0.72);
    margin: 14px 0 18px;
}

.table-scroll {
    overflow-x: auto;
    margin-top: 10px;
}

.effective-check-table {
    min-width: 920px;
}

.effective-check-table td,
.effective-check-table th {
    vertical-align: top;
}

.effective-check-table .student-extra-row {
    background: rgba(255, 251, 235, 0.7);
}

@media (max-width: 1000px) {
    .check-hierarchy-card {
        grid-template-columns: 1fr;
    }

    .check-hierarchy-arrow {
        transform: none;
        min-height: 10px;
    }
}


/* v25.12: hierarchy arrows should point right on desktop and down only when stacked */
.check-hierarchy-arrow::before {
    content: "→";
}

@media (max-width: 1000px) {
    .check-hierarchy-arrow::before {
        content: "↓";
    }
}


/* v25.13: make filtered assignment views and override context explicit */
.assignment-filter-banner {
    border-left: 6px solid var(--accent);
    background: linear-gradient(135deg, rgba(239,246,255,0.95), rgba(255,255,255,0.98));
}

.assignment-filter-banner h2 {
    margin-top: 2px;
}

.filter-mini-card {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 10px 12px;
    background: rgba(248,250,252,0.95);
    display: grid;
    gap: 3px;
    min-width: 220px;
}

.filter-mini-card strong {
    color: var(--text);
}

.filter-mini-card span {
    color: var(--muted);
    font-size: 0.92rem;
}

.context-note {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px;
    background: rgba(248,250,252,0.85);
    margin: 12px 0 16px;
}

.override-form-context {
    grid-column: 1 / -1;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px;
    background: rgba(255,255,255,0.75);
    display: grid;
    gap: 4px;
}

.override-form-context strong {
    color: var(--text);
}

.override-form-context span {
    color: var(--muted);
}


/* v25.14: all-sections to section-filter controls */
.assignment-filter-all-banner {
    border-left-color: #0f766e;
}

.section-filter-form {
    min-width: min(420px, 100%);
    display: grid;
    gap: 6px;
}

.section-filter-form label {
    font-weight: 700;
    color: var(--text);
}

.inline-filter-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

.inline-filter-controls select {
    min-width: 240px;
}

.inline-filter-controls .button {
    white-space: nowrap;
}

@media (max-width: 850px) {
    .inline-filter-controls {
        align-items: stretch;
        flex-direction: column;
    }

    .inline-filter-controls select {
        min-width: 0;
        width: 100%;
    }
}


/* v25.15 wording/workflow cleanup */
.section-assignment-actions,
.section-detail-assignment-actions {
    row-gap: 10px;
}

#course-setup .hint,
#students .hint {
    line-height: 1.45;
}


/* v25.16 instructor-side polish */
.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    font-size: 0.92rem;
    color: var(--muted);
    margin: 4px 0 12px;
}

.breadcrumbs a {
    color: var(--muted);
    text-decoration: none;
    font-weight: 650;
}

.breadcrumbs a:hover {
    color: var(--accent);
    text-decoration: underline;
}

.check-limit-edit-settings {
    margin: 16px 0;
}

.check-limit-edit-settings > summary {
    font-weight: 800;
}

.check-limit-edit-settings .assignment-detail-grid {
    margin-top: 12px;
}


/* v25.18 submission print cleanup */
@media print {
    .topbar,
    .no-print,
    .breadcrumbs {
        display: none !important;
    }

    .container {
        max-width: none;
        margin: 0;
        padding: 0;
    }

    .card,
    .hero-card {
        box-shadow: none;
        border: 1px solid #ddd;
        break-inside: avoid;
    }
}


/* v25.19 instructor action/form consistency */
.empty-state {
    border: 1px dashed var(--line);
    border-radius: 12px;
    padding: 12px;
    background: rgba(248,250,252,0.8);
    color: var(--muted);
}

.table-actions .button.small-button,
.settings-actions .button.small-button {
    margin: 0;
}

.danger-details > summary {
    color: #991b1b;
    font-weight: 800;
}

.danger-zone .danger-details {
    border-color: rgba(220, 38, 38, 0.35);
    background: rgba(254, 242, 242, 0.55);
}

.preview-mode-banner {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    border: 1px solid rgba(15, 108, 189, 0.28);
    border-radius: 12px;
    padding: 10px 14px;
    margin: 0 0 14px;
    background: rgba(239, 246, 255, 0.96);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
}

.preview-mode-banner strong {
    color: var(--text);
}

.preview-mode-banner span {
    color: var(--muted);
}

@media print {
    .preview-mode-banner {
        display: none !important;
    }
}


/* v25.21: breadcrumbs should not inherit the global top-nav link margin */
.breadcrumbs a {
    margin-left: 0;
}

.breadcrumbs span {
    margin-left: 0;
}


/* v25.22 instructor polish: table action spacing, readable score details, integrity events */
.section-assignment-action-cell {
    min-width: 260px;
}

.table-action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-bottom: 10px;
}

.table-danger-row {
    margin-top: 0;
}

.table-danger-row .danger.small-button {
    margin-top: 0;
}

.score-summary-grid {
    margin-bottom: 14px;
}

.score-detail-table {
    min-width: 980px;
}

.score-detail-table td,
.score-detail-table th,
.integrity-event-table td,
.integrity-event-table th {
    vertical-align: top;
}

.integrity-event-table {
    min-width: 860px;
}

.severity-pill {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 0.82rem;
    font-weight: 800;
    white-space: nowrap;
}

.severity-green {
    background: #dcfce7;
    color: #166534;
}

.severity-yellow {
    background: #fef3c7;
    color: #92400e;
}

.severity-red {
    background: #fee2e2;
    color: #991b1b;
}

.compact-detail-list {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 4px 10px;
    margin: 0;
}

.compact-detail-list dt {
    font-weight: 800;
    color: var(--muted);
}

.compact-detail-list dd {
    margin: 0;
}

.inline-help-details {
    max-width: 360px;
}

.inline-help-details > summary {
    cursor: pointer;
    color: var(--accent);
    font-weight: 700;
    list-style-position: outside;
}

.inline-help-details p {
    margin: 8px 0 0;
    color: var(--muted);
}


/* v25.23: linked grade section/student filters */
.grade-linked-filter-hint {
    margin-top: 4px;
}


/* v25.24: grade dropdowns use enrollment-based linking, not submission-only rows */
.grade-linked-filter-hint {
    margin-top: 4px;
}


/* v25.25: assignment-level submission summaries and filtered grade stats */
.grade-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(155px, 1fr));
    gap: 12px;
    margin: 14px 0;
}

.stat-card {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 12px;
    background: rgba(248,250,252,0.88);
    display: grid;
    gap: 4px;
}

.stat-card .stat-label {
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 700;
}

.stat-card strong {
    font-size: 1.35rem;
    color: var(--text);
}

.assignment-submission-summary-block {
    margin-top: 18px;
}

.assignment-summary-table {
    min-width: 1100px;
}

.mini-details {
    margin-top: 6px;
}

.mini-details summary {
    cursor: pointer;
    color: var(--accent);
    font-weight: 700;
    font-size: 0.9rem;
}

.timestamp-list {
    margin: 8px 0 0 18px;
    padding: 0;
    color: var(--muted);
    font-size: 0.92rem;
}


/* v25.26: assignment-level grade export emphasis */
.assignment-submission-summary-block.nested-card {
    border: 1px solid rgba(15, 108, 189, 0.22);
    background: rgba(239, 246, 255, 0.45);
    margin: 18px 0;
}

.secondary-export-box {
    background: rgba(248,250,252,0.65);
}


/* v25.27 weighted grade clarification */
.assignment-submission-summary-block .hint {
    max-width: 960px;
}


/* v25.31: compact assignment grade stats and grouped assignment review */
.compact-grade-stats {
    grid-template-columns: repeat(6, minmax(92px, 1fr));
    gap: 8px;
    margin: 10px 0 12px;
}

.compact-grade-stats .stat-card {
    padding: 8px 10px;
    min-width: 0;
}

.compact-grade-stats .stat-card .stat-label {
    font-size: 0.76rem;
    white-space: nowrap;
}

.compact-grade-stats .stat-card strong {
    font-size: 1.05rem;
    line-height: 1.15;
    white-space: nowrap;
}

.compact-grade-stats .stat-card strong.stat-small {
    font-size: 0.86rem;
    white-space: normal;
}

.assignment-summary-table th,
.assignment-summary-table td {
    white-space: nowrap;
}

.assignment-summary-table td:nth-child(2),
.assignment-summary-table td:nth-child(3) {
    white-space: normal;
    min-width: 180px;
}

.assignment-review-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px 0 16px;
}

.assignment-review-tab {
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 999px;
    padding: 8px 12px;
    font-weight: 800;
    color: var(--text);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.assignment-review-tab.active {
    border-color: var(--accent);
    background: rgba(15, 108, 189, 0.08);
    color: var(--accent);
}

.mini-pill {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 2px 6px;
    font-size: 0.68rem;
    background: rgba(15, 23, 42, 0.08);
    color: var(--muted);
}

.assignment-review-panel {
    border-top: 1px solid var(--line);
    padding-top: 16px;
}

.compact-card {
    padding: 14px;
}

.assignment-review-section-filter {
    align-items: end;
}

.compact-summary-grid {
    grid-template-columns: repeat(auto-fit, minmax(135px, 1fr));
}

@media (max-width: 950px) {
    .compact-grade-stats {
        grid-template-columns: repeat(3, minmax(92px, 1fr));
    }

    .assignment-summary-table th,
    .assignment-summary-table td {
        white-space: normal;
    }
}


/* v25.35: assignment-gradebook accuracy pass */
.assignment-summary-table td:nth-child(2),
.assignment-summary-table td:nth-child(3) {
    min-width: 150px;
}

.assignment-summary-table td:nth-child(4) {
    min-width: 145px;
}

.assignment-summary-table td:nth-child(8) {
    font-variant-numeric: tabular-nums;
}


/* v25.36: explicit gradebook filter controls */
.gradebook-filter-form {
    display: block;
}

.include-not-started-row {
    align-self: end;
    min-height: 42px;
}

.gradebook-filter-form .form-submit-button {
    align-self: end;
}


/* v25.37: grade page no longer uses recent-200 wording */
.grade-linked-filter-hint {
    max-width: 980px;
}


/* v25.38: collapsible instructor left menu */
.instructor-tabs-layout {
    transition: grid-template-columns 0.18s ease;
}

.instructor-menu-toggle {
    width: 100%;
    border: 1px solid var(--line);
    background: rgba(255,255,255,0.75);
    color: var(--muted);
    border-radius: 12px;
    padding: 8px 10px;
    margin-bottom: 10px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    cursor: pointer;
}

.instructor-menu-toggle:hover {
    color: var(--text);
    background: #fff;
}

.menu-toggle-icon {
    font-size: 1.25rem;
    line-height: 1;
}

.instructor-tab .tab-label {
    display: inline-block;
    min-width: 0;
}

.instructor-tabs-layout.instructor-tabs-collapsed {
    grid-template-columns: 82px minmax(0, 1fr);
}

.instructor-tabs-layout.instructor-tabs-collapsed .instructor-tabs {
    padding: 10px 8px;
}

.instructor-tabs-layout.instructor-tabs-collapsed .instructor-menu-toggle {
    justify-content: center;
    padding: 8px 6px;
}

.instructor-tabs-layout.instructor-tabs-collapsed .menu-toggle-text {
    display: none;
}

.instructor-tabs-layout.instructor-tabs-collapsed .instructor-tab {
    text-align: center;
    justify-content: center;
    padding: 10px 6px;
    font-size: 0.76rem;
    line-height: 1.1;
}

@media (max-width: 900px) {
    .instructor-tabs-layout.instructor-tabs-collapsed {
        grid-template-columns: 1fr;
    }

    .instructor-tabs-layout.instructor-tabs-collapsed .instructor-tabs {
        grid-template-columns: repeat(auto-fit, minmax(74px, 1fr));
    }

    .instructor-tabs-layout.instructor-tabs-collapsed .instructor-menu-toggle {
        grid-column: 1 / -1;
    }
}


/* v25.43: gradebook search, status filter, and pagination */
.gradebook-filter-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    align-items: end;
}

.gradebook-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--line);
}

.pagination-links {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.pagination-page,
.pagination-current {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    min-height: 34px;
    padding: 6px 9px;
    border-radius: 10px;
    border: 1px solid var(--line);
    font-weight: 800;
    text-decoration: none;
}

.pagination-current {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.pagination-page:hover {
    background: rgba(43, 108, 176, 0.08);
}


/* v25.44: Assignment readiness checklist */
.assignment-readiness-card {
    border: 1px solid rgba(15, 108, 189, 0.22);
    background: linear-gradient(180deg, rgba(239, 246, 255, 0.68), rgba(255,255,255,0.96));
}

.readiness-status-card {
    min-width: 170px;
    border-radius: 16px;
    padding: 12px 14px;
    display: grid;
    gap: 2px;
    text-align: right;
    border: 1px solid var(--line);
    background: #fff;
}

.readiness-status-card span {
    font-size: 0.78rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.readiness-status-card strong {
    font-size: 2rem;
    line-height: 1;
}

.readiness-status-card small {
    color: var(--muted);
    font-weight: 700;
}

.readiness-status-card.green {
    border-color: rgba(22, 163, 74, 0.35);
    background: rgba(240, 253, 244, 0.95);
}

.readiness-status-card.yellow {
    border-color: rgba(202, 138, 4, 0.35);
    background: rgba(254, 252, 232, 0.95);
}

.readiness-status-card.red {
    border-color: rgba(220, 38, 38, 0.35);
    background: rgba(254, 242, 242, 0.95);
}

.readiness-message {
    margin-top: 6px;
}

.readiness-category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 12px;
    margin-top: 14px;
}

.readiness-category {
    background: rgba(255,255,255,0.86);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 12px;
}

.readiness-category h3 {
    margin-top: 0;
    margin-bottom: 10px;
}

.readiness-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 8px;
}

.readiness-item {
    display: grid;
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 8px;
    align-items: start;
    padding: 8px;
    border-radius: 12px;
    border: 1px solid transparent;
}

.readiness-item p {
    margin: 2px 0 3px;
    color: var(--muted);
    font-size: 0.9rem;
}

.readiness-item a {
    font-size: 0.86rem;
    font-weight: 800;
}

.readiness-icon {
    width: 24px;
    height: 24px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    color: #fff;
}

.readiness-item.complete {
    background: rgba(240, 253, 244, 0.7);
    border-color: rgba(22, 163, 74, 0.18);
}

.readiness-item.complete .readiness-icon {
    background: #16a34a;
}

.readiness-item.attention {
    background: rgba(254, 252, 232, 0.72);
    border-color: rgba(202, 138, 4, 0.2);
}

.readiness-item.attention .readiness-icon {
    background: #ca8a04;
}

.readiness-item.incomplete {
    background: rgba(254, 242, 242, 0.72);
    border-color: rgba(220, 38, 38, 0.2);
}

.readiness-item.incomplete .readiness-icon {
    background: #dc2626;
}

@media (max-width: 760px) {
    .readiness-status-card {
        text-align: left;
        width: 100%;
    }
}


/* v25.46: assignment shell creation */
.create-assignment-shell-card {
    margin: 12px 0 16px;
    border: 1px solid rgba(15, 108, 189, 0.22);
    border-radius: 14px;
    background: rgba(239, 246, 255, 0.38);
    padding: 0;
    overflow: hidden;
}

.create-assignment-shell-card > summary {
    cursor: pointer;
    padding: 12px 14px;
    font-weight: 900;
    color: var(--text);
    background: rgba(255,255,255,0.74);
}

.create-assignment-shell-card[open] > summary {
    border-bottom: 1px solid var(--line);
}

.assignment-shell-form {
    padding: 14px;
}

.assignment-shell-grid {
    grid-template-columns: minmax(220px, 2fr) minmax(120px, 0.7fr) minmax(140px, 0.8fr) minmax(160px, 1fr);
    align-items: end;
}

.assignment-shell-active-row {
    align-self: end;
    min-height: 42px;
}

.assignment-builder-note {
    margin: 12px 0;
}

@media (max-width: 900px) {
    .assignment-shell-grid {
        grid-template-columns: 1fr;
    }
}


/* v25.47: assignment form and field builder */
.form-builder-add-card {
    margin: 12px 0 16px;
    border: 1px solid rgba(15, 108, 189, 0.22);
    border-radius: 14px;
    background: rgba(239, 246, 255, 0.35);
    padding: 0;
    overflow: hidden;
}

.form-builder-add-card > summary {
    cursor: pointer;
    padding: 12px 14px;
    font-weight: 900;
    background: rgba(255,255,255,0.78);
}

.form-builder-add-card[open] > summary {
    border-bottom: 1px solid var(--line);
}

.form-builder-form {
    padding: 14px;
}

.form-builder-grid {
    grid-template-columns: minmax(160px, 1fr) minmax(180px, 1.2fr) minmax(180px, 1.2fr) minmax(90px, 0.5fr);
}

.field-builder-grid {
    grid-template-columns: minmax(140px, 1fr) minmax(90px, 0.55fr) minmax(180px, 1.3fr) minmax(150px, 0.9fr) minmax(90px, 0.55fr) minmax(130px, 0.8fr);
    align-items: end;
}

.form-builder-list {
    display: grid;
    gap: 14px;
    margin-top: 14px;
}

.form-builder-card {
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 14px;
    background: rgba(255,255,255,0.88);
}

.form-builder-card h3 {
    margin-bottom: 2px;
}

.form-fields-table {
    min-width: 900px;
}

.inline-edit-details summary {
    cursor: pointer;
    color: var(--accent);
    font-weight: 800;
}

.compact-field-form {
    margin-top: 10px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(248,250,252,0.72);
}

.add-field-form {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
}

@media (max-width: 900px) {
    .form-builder-grid,
    .field-builder-grid {
        grid-template-columns: 1fr;
    }
}


/* v25.48: common form picker and full-width Add Field builder */
.form-builder-card .add-field-form {
    display: block;
    width: 100%;
    max-width: none;
    box-sizing: border-box;
}

.form-builder-card .add-field-form .field-builder-grid {
    width: 100%;
    max-width: none;
    display: grid;
}

.form-builder-card .add-field-form > input,
.form-builder-card .add-field-form > select,
.form-builder-card .add-field-form > textarea,
.form-builder-card .add-field-form .management-grid {
    max-width: none;
}

.common-form-builder-card {
    background: rgba(240, 253, 244, 0.34);
    border-color: rgba(22, 163, 74, 0.24);
}

.common-form-groups {
    display: grid;
    gap: 12px;
    margin: 12px 0;
}

.common-form-group {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 12px;
    background: rgba(255,255,255,0.78);
}

.common-form-group h4 {
    margin: 0 0 10px;
}

.common-form-checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 8px;
}

.common-form-checkbox {
    display: grid;
    grid-template-columns: 22px minmax(0, 1fr);
    gap: 8px;
    align-items: start;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
}

.common-form-checkbox strong,
.common-form-checkbox small,
.common-form-checkbox em {
    display: block;
}

.common-form-checkbox small {
    color: var(--muted);
    margin-top: 2px;
}

.common-form-checkbox em {
    color: var(--muted);
    font-size: 0.82rem;
    font-style: normal;
    font-weight: 800;
    margin-top: 4px;
}

.common-form-checkbox.disabled {
    opacity: 0.62;
    background: rgba(248,250,252,0.82);
}

.common-form-checkbox input {
    margin-top: 3px;
}


/* v25.49: common field picker */
.common-fields-card {
    margin: 12px 0;
    border: 1px solid rgba(15, 108, 189, 0.2);
    border-radius: 14px;
    background: rgba(239, 246, 255, 0.34);
}

.common-fields-card > summary {
    font-weight: 900;
}

.common-field-year-grid {
    grid-template-columns: minmax(140px, 220px);
    margin-bottom: 10px;
}

.common-field-checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 8px;
    margin: 10px 0 12px;
}

.common-field-checkbox {
    display: grid;
    grid-template-columns: 22px minmax(0, 1fr);
    gap: 8px;
    align-items: start;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
}

.common-field-checkbox strong,
.common-field-checkbox small,
.common-field-checkbox em {
    display: block;
}

.common-field-checkbox small {
    color: var(--muted);
    margin-top: 2px;
}

.common-field-checkbox em {
    color: var(--muted);
    font-size: 0.82rem;
    font-style: normal;
    font-weight: 800;
    margin-top: 4px;
}

.common-field-checkbox.disabled {
    opacity: 0.62;
    background: rgba(248,250,252,0.82);
}

.common-field-checkbox input {
    margin-top: 3px;
}

.common-fields-missing-note {
    margin: 12px 0;
}


/* v25.51: assignment grading-rule builder */
.grading-builder-list {
    display: grid;
    gap: 14px;
    margin-top: 14px;
}

.grading-builder-card {
    border: 1px solid rgba(15, 108, 189, 0.22);
    border-radius: 16px;
    padding: 14px;
    background: rgba(239, 246, 255, 0.34);
}

.grading-rules-table {
    min-width: 1050px;
}

.grading-rule-edit summary {
    cursor: pointer;
    color: var(--accent);
    font-weight: 800;
}

.grading-rule-form {
    margin-top: 10px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(255,255,255,0.88);
}

.grading-rule-grid {
    grid-template-columns: minmax(150px, 1fr) minmax(90px, 0.5fr) minmax(140px, 0.8fr) minmax(90px, 0.55fr) minmax(110px, 0.6fr);
    align-items: end;
}

@media (max-width: 900px) {
    .grading-rule-grid {
        grid-template-columns: 1fr;
    }
}


/* v25.52: formula builder and partial-credit rules */
.formula-builder-panel {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 10px;
    margin: 8px 0 10px;
    background: rgba(248,250,252,0.82);
}

.formula-token-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.formula-token-button,
.formula-operator-button {
    border: 1px solid var(--line);
    background: #fff;
    color: var(--accent);
    border-radius: 999px;
    padding: 5px 9px;
    font-size: 0.82rem;
    font-weight: 800;
    cursor: pointer;
}

.formula-token-button:hover,
.formula-operator-button:hover {
    background: rgba(43, 108, 176, 0.08);
}

.formula-operator-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.partial-credit-builder {
    border: 1px solid rgba(202, 138, 4, 0.28);
    border-radius: 12px;
    padding: 10px;
    margin: 10px 0;
    background: rgba(254, 252, 232, 0.68);
}

.partial-credit-builder > summary {
    cursor: pointer;
    font-weight: 900;
}

.partial-credit-grid {
    grid-template-columns: minmax(180px, 1.2fr) minmax(90px, 0.45fr) minmax(220px, 1.5fr) minmax(90px, 0.45fr);
    gap: 10px;
    margin-top: 10px;
    align-items: end;
}

@media (max-width: 900px) {
    .partial-credit-grid {
        grid-template-columns: 1fr;
    }
}


/* v25.53: dynamic partial-credit row controls */
.partial-credit-list {
    display: grid;
    gap: 8px;
    margin: 10px 0;
}

.partial-credit-row {
    padding: 8px;
    border: 1px solid rgba(202, 138, 4, 0.18);
    border-radius: 12px;
    background: rgba(255,255,255,0.72);
}

.partial-credit-remove-cell {
    display: flex;
    align-items: end;
}


/* v25.56: instructions and dedicated builder link */
.student-instructions-card {
    border-color: rgba(15, 108, 189, 0.18);
}

.student-instructions-preview {
    margin: 12px 0 0;
    padding-left: 22px;
}

.student-instructions-preview li {
    margin: 6px 0;
}

.assignment-builder-link-card {
    border-color: rgba(22, 163, 74, 0.22);
    background: rgba(240, 253, 244, 0.34);
}

.builder-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin-top: 12px;
}

.builder-summary-grid > div {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px;
    background: #fff;
}

.builder-summary-grid strong,
.builder-summary-grid span {
    display: block;
}

.builder-summary-grid span {
    color: var(--muted);
    font-size: 0.9rem;
    margin-top: 3px;
}


/* v25.58: make builder mode visually obvious */
.builder-mode-banner {
    margin-top: 10px;
}


/* v25.59: Builder JSON import/export */
.builder-json-card {
    border-color: rgba(124, 58, 237, 0.22);
    background: rgba(245, 243, 255, 0.28);
}

.builder-json-grid {
    align-items: start;
    margin-top: 12px;
}

.builder-json-panel {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 12px;
    background: rgba(255,255,255,0.78);
}

.builder-json-panel h3 {
    margin-top: 0;
}

.builder-json-textarea {
    width: 100%;
    min-height: 360px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 0.84rem;
    line-height: 1.45;
}


/* v25.63: create assignment from Builder JSON */
.create-assignment-json-card {
    border-color: rgba(124, 58, 237, 0.22);
    background: rgba(245, 243, 255, 0.24);
}

.assignment-json-create-form textarea {
    min-height: 360px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 0.86rem;
    line-height: 1.45;
}


/* v25.65: imported tax table grading rule note */
.tax-table-rule-note code {
    font-size: 0.9em;
}


/* v25.66: builder UI cleanup */
.source-documents-card {
    border-color: rgba(14, 165, 233, 0.20);
    background: rgba(240, 249, 255, 0.28);
}

.source-document-preview-list,
.source-document-list,
.grading-rule-card-list {
    display: grid;
    gap: 12px;
    margin-top: 12px;
}

.source-document-preview-card,
.source-document-row,
.grading-rule-line-card {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(255,255,255,0.86);
    padding: 12px;
}

.source-document-preview-card p {
    margin: 6px 0 0;
}

.source-document-grid {
    grid-template-columns: minmax(180px, 1.25fr) minmax(220px, 1.5fr) minmax(140px, 0.85fr) minmax(140px, 0.85fr);
    align-items: end;
}

.source-document-row-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
}

.source-documents-card .settings-details,
.source-documents-card .settings-form {
    width: 100%;
    max-width: none;
    min-width: 0;
}

/* Make builder sub-sections full width instead of the old compact 620px width. */
.form-builder-card > .compact-settings,
.form-builder-card .common-fields-card,
.form-builder-card .settings-form,
.form-builder-card .form-builder-form,
.form-builder-card .common-fields-form,
.form-builder-card .compact-field-form {
    width: 100%;
    max-width: none;
    min-width: 0;
    box-sizing: border-box;
}

.form-builder-card .management-grid,
.form-builder-card input,
.form-builder-card select,
.form-builder-card textarea {
    max-width: none;
}

.builder-json-card {
    padding: 0;
}

.builder-json-details {
    margin: 0;
    border: 0;
    background: transparent;
    width: 100%;
    max-width: none;
}

.builder-json-details > summary {
    padding: 16px 18px;
    font-size: 1.05rem;
}

.builder-json-details-body {
    padding: 0 18px 18px;
}

.builder-json-details .settings-form {
    padding: 0;
}

.grading-rule-line-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(180px, auto);
    gap: 12px;
    align-items: start;
}

.grading-rule-status {
    text-align: right;
}

.grading-rule-line-summary {
    display: grid;
    grid-template-columns: minmax(120px, 0.3fr) minmax(0, 1fr);
    gap: 10px;
    margin: 12px 0;
}

.grading-rule-line-summary > div {
    border: 1px solid rgba(148, 163, 184, 0.28);
    border-radius: 12px;
    padding: 10px;
    background: rgba(248,250,252,0.8);
    min-width: 0;
}

.grading-rule-line-summary span,
.grading-rule-line-summary strong {
    display: block;
}

.grading-rule-line-summary span {
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.grading-rule-line-summary strong {
    margin-top: 4px;
    overflow-wrap: anywhere;
}

.grading-rule-edit-full {
    display: block;
    width: 100%;
    max-width: none;
    margin-top: 10px;
}

.grading-rule-edit-full > summary {
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: 10px 12px;
    border: 1px solid rgba(15, 108, 189, 0.22);
    border-radius: 12px;
    background: rgba(239, 246, 255, 0.72);
}

.grading-rule-edit-full[open] > summary {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

.grading-rule-edit-full .grading-rule-form {
    width: 100%;
    max-width: none;
    box-sizing: border-box;
    margin-top: 0;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

@media (max-width: 900px) {
    .source-document-grid,
    .grading-rule-line-header,
    .grading-rule-line-summary {
        grid-template-columns: 1fr;
    }

    .grading-rule-status {
        text-align: left;
    }
}


/* v25.68: field edit cards and common source documents */
.common-source-documents-details,
.common-source-documents-form,
.common-source-document-groups,
.common-source-document-checkbox-grid {
    width: 100%;
    max-width: none;
}

.field-builder-card-list {
    display: grid;
    gap: 12px;
    margin-top: 12px;
}

.field-builder-line-card {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(255,255,255,0.88);
    padding: 12px;
    min-width: 0;
}

.field-builder-line-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(110px, auto);
    gap: 12px;
    align-items: start;
}

.field-builder-line-header p {
    margin: 6px 0 0;
}

.field-builder-line-meta {
    text-align: right;
}

.field-edit-full {
    display: block;
    width: 100%;
    max-width: none;
    margin-top: 10px;
}

.field-edit-full > summary {
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: 10px 12px;
    border: 1px solid rgba(15, 108, 189, 0.22);
    border-radius: 12px;
    background: rgba(239, 246, 255, 0.72);
}

.field-edit-full[open] > summary {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

.field-edit-form {
    width: 100%;
    max-width: none;
    box-sizing: border-box;
    margin-top: 0;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

.field-edit-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
}

.field-edit-actions .form-submit-button,
.field-edit-actions .danger {
    width: 100%;
}

@media (max-width: 900px) {
    .field-builder-line-header {
        grid-template-columns: 1fr;
    }
    .field-builder-line-meta {
        text-align: left;
    }
}


/* v25.69: source document delete controls */
.source-document-preview-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    align-items: start;
}

.source-document-delete-form {
    margin: 0;
}

.source-document-delete-form .button {
    white-space: nowrap;
}

@media (max-width: 700px) {
    .source-document-preview-header {
        grid-template-columns: 1fr;
    }

    .source-document-delete-form .button {
        width: 100%;
    }
}


/* v25.70: editable and student-visible source documents */
.source-document-edit-details {
    display: block;
    width: 100%;
    max-width: none;
    margin-top: 12px;
}

.source-document-edit-details > summary {
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: 10px 12px;
    border: 1px solid rgba(15, 108, 189, 0.22);
    border-radius: 12px;
    background: rgba(239, 246, 255, 0.72);
}

.source-document-edit-details[open] > summary {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

.source-document-edit-form {
    width: 100%;
    max-width: none;
    box-sizing: border-box;
    margin-top: 0;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

.source-document-field-table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    background: rgba(255,255,255,0.9);
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 12px;
    overflow: hidden;
}

.source-document-field-table th,
.source-document-field-table td {
    padding: 8px 10px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.25);
    text-align: left;
    vertical-align: top;
}

.source-document-field-table tr:last-child th,
.source-document-field-table tr:last-child td {
    border-bottom: 0;
}

.source-document-field-table th {
    width: 42%;
    background: rgba(248,250,252,0.9);
    font-weight: 800;
}

.student-source-document-table {
    max-width: 760px;
}

.compact-source-document-table th,
.compact-source-document-table td {
    padding: 6px 8px;
}

.muted-text {
    color: var(--muted);
}


/* v25.71 draft preview + IRS-style source documents */

.irs-document {
    border: 1px solid #94a3b8;
    background: linear-gradient(180deg, #fefefe 0%, #f8fafc 100%);
    border-radius: 10px;
    padding: 14px;
    margin: 12px 0;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}
.irs-document.compact { padding: 10px; font-size: 0.9rem; }
.irs-document-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    border-bottom: 2px solid #cbd5e1;
    padding-bottom: 10px;
    margin-bottom: 10px;
}
.irs-form-id { font-weight: 800; font-size: 1rem; text-transform: uppercase; letter-spacing: 0.02em; }
.irs-form-title { font-size: 1.05rem; font-weight: 700; }
.irs-copy-tag {
    font-size: 0.78rem;
    color: #334155;
    border: 1px solid #cbd5e1;
    border-radius: 999px;
    padding: 4px 8px;
    background: #f8fafc;
    white-space: nowrap;
}
.irs-two-col, .irs-box-grid {
    display: grid;
    gap: 10px;
}
.irs-two-col { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-bottom: 10px; }
.irs-box-grid.cols-1 { grid-template-columns: minmax(0, 1fr); }
.irs-box-grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.irs-box-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.irs-box {
    border: 1px solid #475569;
    border-radius: 6px;
    min-height: 78px;
    padding: 6px 8px;
    display: flex;
    flex-direction: column;
    background: #fff;
}
.irs-box.wide { min-height: 92px; }
.irs-box-num {
    font-size: 0.72rem;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 4px;
}
.irs-box-label {
    font-size: 0.78rem;
    line-height: 1.2;
    color: #334155;
    margin-bottom: 8px;
}
.irs-box-value {
    margin-top: auto;
    font-weight: 700;
    color: #0f172a;
    word-break: break-word;
}
.irs-document.compact .irs-box { min-height: 64px; padding: 5px 7px; }
.irs-document.compact .irs-box-label { font-size: 0.72rem; }
.irs-document.compact .irs-box-value { font-size: 0.88rem; }
.generic-source-document.compact .source-document-field-table { margin: 8px 0 0; }
@media (max-width: 900px) {
    .irs-two-col, .irs-box-grid.cols-2, .irs-box-grid.cols-3 { grid-template-columns: 1fr; }
}


/* v25.72: make draft preview easier to find */
.draft-preview-builder-card {
    border-color: rgba(15, 108, 189, 0.22);
    background: rgba(239, 246, 255, 0.45);
}


/* v25.75: fuller W-2 source document rendering */
.irs-box-value {
    white-space: pre-line;
}
.irs-w2-box-13-14 {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 10px;
    margin: 10px 0;
}
.irs-checkbox-grid {
    display: grid;
    gap: 6px;
    margin-top: auto;
    font-size: 0.88rem;
}
.irs-checkbox-grid span {
    display: block;
}
@media (max-width: 900px) {
    .irs-w2-box-13-14 {
        grid-template-columns: 1fr;
    }
}


/* v25.76: show every source-document field, even if not mapped to an IRS-style box */
.irs-box-value {
    white-space: pre-line;
}

.source-document-all-fields {
    margin: 14px 0 0;
    padding-top: 10px;
    border-top: 1px dashed rgba(71, 85, 105, 0.35);
}

.source-document-all-fields h4 {
    margin: 0 0 8px;
    font-size: 0.92rem;
    color: #334155;
}

.all-source-document-field-table th {
    width: 45%;
}

.source-document-all-fields.compact {
    margin-top: 10px;
}

.source-document-all-fields.compact h4 {
    font-size: 0.85rem;
}


/* v25.77: collapsible builder sections */
.builder-collapsible-section-details {
    width: 100%;
    max-width: none;
}

.builder-collapsible-section-details > summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    width: 100%;
    box-sizing: border-box;
    cursor: pointer;
    list-style: none;
    padding: 2px 0 14px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.22);
}

.builder-collapsible-section-details > summary::-webkit-details-marker {
    display: none;
}

.builder-collapsible-section-details > summary::before {
    content: "▾";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.4rem;
    height: 1.4rem;
    flex: 0 0 auto;
    border-radius: 999px;
    background: rgba(15, 108, 189, 0.12);
    color: #1d4ed8;
    font-size: 0.8rem;
    transition: transform 0.15s ease;
}

.builder-collapsible-section-details:not([open]) > summary::before {
    transform: rotate(-90deg);
}

.builder-collapsible-section-details > summary span {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text);
    margin-right: auto;
}

.builder-collapsible-section-details > summary small {
    color: var(--muted);
    font-weight: 500;
    line-height: 1.25;
    text-align: right;
}

.builder-collapsible-section-body {
    padding-top: 16px;
}

.builder-collapsible-section-details:not([open]) > summary {
    border-bottom: 0;
    padding-bottom: 2px;
}

@media (max-width: 760px) {
    .builder-collapsible-section-details > summary {
        align-items: flex-start;
    }

    .builder-collapsible-section-details > summary small {
        display: none;
    }
}


/* v25.78: builder main sections use the same collapsible style as other page details */
.builder-section-details {
    width: 100%;
    max-width: none;
}

.builder-section-details > summary {
    display: block;
}

.builder-section-details > summary span {
    font-weight: 800;
}

.builder-section-details > summary small {
    display: block;
    margin-top: 3px;
}

.builder-collapsible-section-body,
.builder-json-details-body {
    padding: 0 14px 14px;
}

.builder-section-details:not([open]) .builder-collapsible-section-body,
.builder-section-details:not([open]) .builder-json-details-body {
    display: none;
}


/* v25.79: unify main Builder collapsible panels */
#source-documents > .builder-main-details,
#forms-fields > .builder-main-details,
#grading-rules > .builder-main-details,
#builder-json > .builder-main-details,
#source-documents > .settings-details.builder-main-details,
#forms-fields > .settings-details.builder-main-details,
#grading-rules > .settings-details.builder-main-details,
#builder-json > .settings-details.builder-main-details {
    width: 100%;
    max-width: none;
    margin: 0;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(255,255,255,0.78);
    box-sizing: border-box;
}

#source-documents > .builder-main-details > summary,
#forms-fields > .builder-main-details > summary,
#grading-rules > .builder-main-details > summary,
#builder-json > .builder-main-details > summary {
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: 14px 16px;
    cursor: pointer;
    font-weight: 800;
    color: var(--text);
    border-radius: 14px;
    background: rgba(248,250,252,0.75);
    border-bottom: 0;
    list-style: revert;
}

#source-documents > .builder-main-details[open] > summary,
#forms-fields > .builder-main-details[open] > summary,
#grading-rules > .builder-main-details[open] > summary,
#builder-json > .builder-main-details[open] > summary {
    border-bottom: 1px solid var(--line);
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

#source-documents > .builder-main-details > summary span,
#forms-fields > .builder-main-details > summary span,
#grading-rules > .builder-main-details > summary span,
#builder-json > .builder-main-details > summary span {
    font-size: inherit;
    font-weight: inherit;
    margin: 0;
}

#source-documents > .builder-main-details > summary small,
#forms-fields > .builder-main-details > summary small,
#grading-rules > .builder-main-details > summary small,
#builder-json > .builder-main-details > summary small {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-weight: 500;
    line-height: 1.35;
    text-align: left;
}

#source-documents .builder-collapsible-section-body,
#forms-fields .builder-collapsible-section-body,
#grading-rules .builder-collapsible-section-body,
#builder-json .builder-collapsible-section-body,
#source-documents .builder-main-details > .builder-collapsible-section-body,
#forms-fields .builder-main-details > .builder-collapsible-section-body,
#grading-rules .builder-main-details > .builder-collapsible-section-body,
#builder-json .builder-main-details > .builder-collapsible-section-body,
#builder-json .builder-json-details-body {
    padding: 16px;
}

#source-documents > .builder-main-details > summary::before,
#forms-fields > .builder-main-details > summary::before,
#grading-rules > .builder-main-details > summary::before,
#builder-json > .builder-main-details > summary::before {
    content: none !important;
}

#source-documents.card,
#forms-fields.card,
#grading-rules.card,
#builder-json.card {
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
}


/* v25.80: source document formatting */
.w2-box-12-divider {
    grid-column: 1 / -1;
    height: 12px;
}

.source-document-all-fields {
    margin: 16px 0 0;
    border: 1px solid rgba(148, 163, 184, 0.45);
    border-radius: 10px;
    background: rgba(248, 250, 252, 0.78);
    overflow: hidden;
}

.source-document-all-fields > summary {
    cursor: pointer;
    padding: 10px 12px;
    font-weight: 800;
    color: #334155;
    background: rgba(241, 245, 249, 0.9);
    list-style: revert;
}

.source-document-all-fields[open] > summary {
    border-bottom: 1px solid rgba(148, 163, 184, 0.35);
}

.source-document-all-fields-body {
    padding: 10px 12px 12px;
}

.source-document-all-fields .all-source-document-field-table {
    margin: 0;
}

.source-document-all-fields.compact {
    margin-top: 10px;
}

.source-document-all-fields.compact > summary {
    padding: 8px 10px;
    font-size: 0.88rem;
}

.source-document-all-fields.compact .source-document-all-fields-body {
    padding: 8px 10px 10px;
}

/* Override earlier v25.76 all-fields heading styling when present. */
.source-document-all-fields h4 {
    display: none;
}




/* v25.82: assignment detail cleanup */
.assignment-builder-link-card .builder-summary-grid {
    margin-top: 14px;
}


/* v25.83: Assignment Detail language/formatting polish */
.assignment-detail-hero .actions,
.assignment-filter-banner .actions,
#student-preview .actions,
#grades .actions {
    gap: 10px;
    flex-wrap: wrap;
}

.assignment-builder-link-card {
    border-color: rgba(15, 108, 189, 0.20);
    background: rgba(239, 246, 255, 0.35);
}

.assignment-builder-link-card .builder-summary-grid {
    margin-top: 14px;
}

.availability-summary-table th,
.effective-check-table th,
#overrides table th,
#grades table th,
#overview table th {
    white-space: nowrap;
}

.table-scroll.overview-table-wrap,
.table-scroll.availability-table-wrap,
.table-scroll.overrides-table-wrap,
.table-scroll.grades-table-wrap {
    margin-top: 12px;
}

.readiness-item a[href*="/builder"] {
    font-weight: 700;
}

#sections .settings-details > summary,
#check-limits .settings-details > summary,
#overrides .settings-details > summary {
    line-height: 1.25;
}


/* v25.84: Section Availability edit controls move below each section row */
.availability-summary-table .section-availability-edit-row td {
    padding-top: 0;
    background: rgba(248, 250, 252, 0.55);
    border-top: 0;
}

.section-availability-details {
    margin: 0;
    width: 100%;
}

.section-availability-details > summary {
    font-weight: 800;
}

.section-availability-edit-body {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
}

.section-availability-fieldsets {
    display: grid;
    grid-template-columns: repeat(2, minmax(260px, 1fr));
    gap: 16px;
    align-items: start;
}

.section-availability-form {
    max-width: none;
}

.section-availability-actions {
    margin-top: 0;
}

@media (max-width: 840px) {
    .section-availability-fieldsets {
        grid-template-columns: 1fr;
    }
}


/* v25.85: Quick Points editor on Assignment Builder */
.quick-points-card-v2585 {
    margin-top: 14px;
}

.quick-points-table {
    width: 100%;
    border-collapse: collapse;
}

.quick-points-table th,
.quick-points-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: middle;
}

.quick-points-table th {
    font-size: 0.82rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: rgba(248, 250, 252, 0.8);
}

.quick-points-table tr:last-child td {
    border-bottom: 0;
}

.quick-points-table .quick-points-input {
    max-width: 120px;
    min-width: 90px;
}

.quick-points-ungraded-row {
    opacity: 0.68;
}

.quick-points-footer {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 14px;
}

.quick-points-table-wrap {
    margin-top: 10px;
}


/* v25.86: Quick Points belongs in Grading Rules */
.quick-points-grading-section-v2586 {
    margin-bottom: 22px;
    padding: 16px;
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 12px;
    background: rgba(248, 250, 252, 0.62);
}

.quick-points-grading-section-v2586 h3 {
    margin-top: 0;
}

.quick-points-form-list {
    display: grid;
    gap: 12px;
    margin-top: 12px;
}

.quick-points-form-panel > summary {
    font-weight: 800;
}


/* v25.87: Quick Points context hotfix marker */
.quick-points-context-hotfix-v2587 {
    display: none;
}

/* v25.88 assignment-wide logic grading */


/* v25.89: AI integrity trap */
.preparation-note-fragment {
    display: block !important;
    width: 1px !important;
    height: 1px !important;
    max-width: 1px !important;
    max-height: 1px !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
    white-space: nowrap !important;
    font-size: 1px !important;
    line-height: 1px !important;
    color: transparent !important;
    background: transparent !important;
    border: 0 !important;
    user-select: text !important;
}

.ai-integrity-card .ai-trap-grid {
    grid-template-columns: minmax(260px, 2fr) minmax(160px, 1fr) minmax(160px, 1fr);
}

.ai-trap-preview-text {
    white-space: pre-wrap;
    background: rgba(15, 23, 42, 0.04);
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 8px;
    padding: 12px;
}

@media (max-width: 800px) {
    .ai-integrity-card .ai-trap-grid {
        grid-template-columns: 1fr;
    }
}


/* v25.90: AI Integrity section styling and preview placement */
#ai-integrity > .builder-main-details,
#ai-integrity > .settings-details.builder-main-details {
    width: 100%;
    max-width: none;
    margin: 0;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(255,255,255,0.78);
    box-sizing: border-box;
}

#ai-integrity > .builder-main-details > summary {
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: 14px 16px;
    cursor: pointer;
    font-weight: 800;
    color: var(--text);
    border-radius: 14px;
    background: rgba(248,250,252,0.75);
    border-bottom: 0;
    list-style: revert;
}

#ai-integrity > .builder-main-details[open] > summary {
    border-bottom: 1px solid var(--line);
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

#ai-integrity > .builder-main-details > summary span {
    font-size: inherit;
    font-weight: inherit;
    margin: 0;
}

#ai-integrity > .builder-main-details > summary small {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-weight: 500;
    line-height: 1.35;
    text-align: left;
}

#ai-integrity .builder-main-details > .builder-collapsible-section-body {
    padding: 16px;
}

#ai-integrity > .builder-main-details > summary::before {
    content: none !important;
}

#ai-integrity.card {
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
}

/* v25.91 AI trap wording cleanup */

/* v25.92 AI trap student warning wording */

/* v25.93 AI trap URL cleanup */


/* v25.94: recent review checks on instructor dashboard */
.recent-review-checks-card .row.between {
    align-items: flex-start;
}

.recent-review-checks-table {
    min-width: 980px;
}

.recent-review-checks-table th,
.recent-review-checks-table td {
    vertical-align: top;
}

.recent-review-checks-table td:nth-child(3),
.recent-review-checks-table td:nth-child(7) {
    max-width: 280px;
}

.review-check-detail-list {
    margin-top: 8px;
}


/* v25.95: Review Checks screen */
.review-checks-screen-card .instructor-section-heading {
    margin-bottom: 14px;
}

.review-check-summary-grid {
    margin-bottom: 16px;
}

.review-check-filter-bar {
    display: grid;
    grid-template-columns: minmax(260px, 1fr) minmax(180px, 240px) auto;
    gap: 14px;
    align-items: end;
    margin-bottom: 16px;
}

.review-check-filter-count {
    margin: 0 0 10px 0;
    white-space: nowrap;
}

.review-checks-screen-table {
    min-width: 1120px;
}

.review-checks-screen-table td:nth-child(3),
.review-checks-screen-table td:nth-child(8) {
    max-width: 320px;
}

@media (max-width: 760px) {
    .review-check-filter-bar {
        grid-template-columns: 1fr;
    }

    .review-check-filter-count {
        margin-bottom: 0;
        white-space: normal;
    }
}

/* v25.96: Course Setup time zone */
.course-time-zone-card select {
    max-width: 420px;
}


/* v25.97: Assignment versioning */
.assignment-versions-card .version-snapshot-form {
    margin-top: 14px;
    margin-bottom: 16px;
}

.version-snapshot-row {
    display: grid;
    grid-template-columns: minmax(260px, 1fr) auto;
    gap: 12px;
    align-items: end;
}

.assignment-versions-table {
    min-width: 980px;
}

.version-actions-cell {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.version-actions-cell .inline-form {
    display: inline;
    margin: 0;
}

.restore-version-details {
    min-width: 230px;
}

.restore-version-details .settings-form {
    margin-top: 10px;
}

.danger-button {
    background: #991b1b;
    border-color: #991b1b;
}

.assignment-versions-inner {
    padding: 0;
}

@media (max-width: 760px) {
    .version-snapshot-row {
        grid-template-columns: 1fr;
    }
}


/* v25.98: neutral hidden-note class and assignment-card button hover */
.preparation-note-fragment {
    display: block !important;
    width: 1px !important;
    height: 1px !important;
    max-width: 1px !important;
    max-height: 1px !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
    white-space: nowrap !important;
    font-size: 1px !important;
    line-height: 1px !important;
    color: transparent !important;
    background: transparent !important;
    border: 0 !important;
    user-select: text !important;
}

/* Assignment cards should behave like buttons on hover, not underlined links. */
a.assignment-card,
.assignment-card a,
a.student-assignment-card,
.student-assignment-card a,
a.assignment-tile,
.assignment-tile a,
a.assignment-link-card,
.assignment-link-card a,
.assignment-list a.card,
.student-assignment-list a.card,
.assignment-card-link {
    text-decoration: none;
}

a.assignment-card:hover,
a.assignment-card:focus-visible,
a.student-assignment-card:hover,
a.student-assignment-card:focus-visible,
a.assignment-tile:hover,
a.assignment-tile:focus-visible,
a.assignment-link-card:hover,
a.assignment-link-card:focus-visible,
.assignment-list a.card:hover,
.assignment-list a.card:focus-visible,
.student-assignment-list a.card:hover,
.student-assignment-list a.card:focus-visible,
.assignment-card-link:hover,
.assignment-card-link:focus-visible {
    text-decoration: none;
    background: rgba(15, 108, 189, 0.07);
    border-color: rgba(15, 108, 189, 0.32);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.10);
    transform: translateY(-1px);
}

a.assignment-card:hover *,
a.assignment-card:focus-visible *,
a.student-assignment-card:hover *,
a.student-assignment-card:focus-visible *,
a.assignment-tile:hover *,
a.assignment-tile:focus-visible *,
a.assignment-link-card:hover *,
a.assignment-link-card:focus-visible *,
.assignment-list a.card:hover *,
.assignment-list a.card:focus-visible *,
.student-assignment-list a.card:hover *,
.student-assignment-list a.card:focus-visible *,
.assignment-card-link:hover *,
.assignment-card-link:focus-visible * {
    text-decoration: none;
}

a.assignment-card,
a.student-assignment-card,
a.assignment-tile,
a.assignment-link-card,
.assignment-list a.card,
.student-assignment-list a.card,
.assignment-card-link {
    transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}


/* v25.99: make assignment/form cards behave like buttons */
.card a.form-card,
.instructor-tab-panels a.form-card,
a.form-card,
.card a.assignment-launch-card,
.card a.assignment-form-card,
.card a.instructor-preview-form-card {
    position: relative;
    color: var(--text) !important;
    text-decoration: none !important;
    background: #ffffff;
    border: 1px solid var(--line);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
    transition:
        background-color 0.15s ease,
        border-color 0.15s ease,
        box-shadow 0.15s ease,
        transform 0.15s ease;
}

.card a.form-card *,
.instructor-tab-panels a.form-card *,
a.form-card *,
.card a.assignment-launch-card *,
.card a.assignment-form-card *,
.card a.instructor-preview-form-card * {
    text-decoration: none !important;
}

.card a.form-card:hover,
.card a.form-card:focus-visible,
.instructor-tab-panels a.form-card:hover,
.instructor-tab-panels a.form-card:focus-visible,
a.form-card:hover,
a.form-card:focus-visible,
.card a.assignment-launch-card:hover,
.card a.assignment-launch-card:focus-visible,
.card a.assignment-form-card:hover,
.card a.assignment-form-card:focus-visible,
.card a.instructor-preview-form-card:hover,
.card a.instructor-preview-form-card:focus-visible {
    color: var(--text) !important;
    text-decoration: none !important;
    background: rgba(239, 246, 255, 0.95);
    border-color: rgba(15, 108, 189, 0.48);
    box-shadow: 0 12px 26px rgba(15, 23, 42, 0.12);
    transform: translateY(-1px);
}

.card a.form-card:hover *,
.card a.form-card:focus-visible *,
.instructor-tab-panels a.form-card:hover *,
.instructor-tab-panels a.form-card:focus-visible *,
a.form-card:hover *,
a.form-card:focus-visible *,
.card a.assignment-launch-card:hover *,
.card a.assignment-launch-card:focus-visible *,
.card a.assignment-form-card:hover *,
.card a.assignment-form-card:focus-visible *,
.card a.instructor-preview-form-card:hover *,
.card a.instructor-preview-form-card:focus-visible * {
    text-decoration: none !important;
}

.card a.form-card:focus-visible,
.instructor-tab-panels a.form-card:focus-visible,
a.form-card:focus-visible {
    outline: 3px solid rgba(15, 108, 189, 0.28);
    outline-offset: 3px;
}

.card a.form-card:active,
.instructor-tab-panels a.form-card:active,
a.form-card:active {
    transform: translateY(0);
    box-shadow: 0 6px 14px rgba(15, 23, 42, 0.10);
}

.form-card strong {
    color: var(--text);
}

.form-card .pill {
    text-decoration: none !important;
}


/* v26.00: Published versions */
.version-status-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.version-publish-form {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--line);
}

.version-publish-form .form-submit-button {
    white-space: nowrap;
}

@media (max-width: 760px) {
    .version-publish-form .form-submit-button {
        white-space: normal;
    }
}


/* v26.01: version clarity and controls */
.version-model-status-card {
    border-color: rgba(15, 108, 189, 0.22);
    background: linear-gradient(180deg, rgba(239, 246, 255, 0.72), #ffffff);
}

.version-status-message {
    margin-top: 12px;
}

.warning-note {
    border-left-color: #f59e0b;
    background: #fffbeb;
}

.version-model-explainer {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin: 16px 0;
}

.version-model-explainer > div {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #f8fafc;
    padding: 12px;
}

.version-model-explainer strong {
    display: block;
    margin-bottom: 4px;
}

.version-model-explainer span {
    color: var(--muted);
    font-size: 0.92rem;
}

.assignment-versions-card > .builder-main-details > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.assignment-versions-card .builder-collapsible-section-body {
    padding-top: 18px;
}

.assignment-versions-inner > .row:first-child h2 {
    margin-top: 0;
}

.assignment-versions-table th:nth-child(5),
.assignment-versions-table td:nth-child(5) {
    min-width: 150px;
}

.delete-version-details {
    min-width: 230px;
}

.delete-version-details .settings-form {
    margin-top: 10px;
}

@media (max-width: 900px) {
    .version-model-explainer {
        grid-template-columns: 1fr;
    }

    .assignment-versions-card > .builder-main-details > summary {
        align-items: flex-start;
        flex-direction: column;
    }
}


/* v26.02: Versions panel Builder styling + version table action alignment */
#versions.builder-section-card {
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
}

#versions.builder-section-card > .builder-main-details {
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #ffffff;
    box-shadow: 0 8px 22px rgba(15, 23, 42, 0.06);
    overflow: hidden;
}

#versions.builder-section-card > .builder-main-details > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    cursor: pointer;
    padding: 18px 20px;
    background: #f8fafc;
    border-bottom: 1px solid transparent;
    list-style: none;
}

#versions.builder-section-card > .builder-main-details[open] > summary {
    border-bottom-color: var(--line);
}

#versions.builder-section-card > .builder-main-details > summary::-webkit-details-marker {
    display: none;
}

#versions.builder-section-card > .builder-main-details > summary::after {
    content: "▾";
    color: var(--muted);
    font-size: 0.9rem;
    transition: transform 0.15s ease;
}

#versions.builder-section-card > .builder-main-details[open] > summary::after {
    transform: rotate(180deg);
}

#versions.builder-section-card > .builder-main-details > summary span {
    font-weight: 800;
    color: var(--text);
}

#versions.builder-section-card > .builder-main-details > summary small {
    color: var(--muted);
    font-weight: 500;
    text-align: right;
}

#versions .assignment-versions-builder-body {
    padding: 20px;
}

#versions .assignment-versions-inner {
    padding: 0;
}

#versions .assignment-versions-inner > .row:first-child {
    margin-bottom: 10px;
}

#versions .assignment-versions-inner > .row:first-child h2 {
    margin-top: 0;
}

.assignment-versions-table th:last-child,
.assignment-versions-table td.version-actions-cell {
    min-width: 360px;
}

.version-actions-cell {
    vertical-align: top;
}

.version-primary-actions {
    display: inline-flex;
    align-items: stretch;
    gap: 8px;
    flex-wrap: wrap;
}

.version-primary-actions .inline-form {
    display: inline-flex;
    margin: 0;
}

.version-primary-actions .button,
.version-primary-actions button.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    line-height: 1.1;
    white-space: nowrap;
}

.version-actions-cell > .mini-details,
.version-actions-cell > .hint {
    margin-left: 0;
}

@media (max-width: 900px) {
    #versions.builder-section-card > .builder-main-details > summary {
        align-items: flex-start;
        flex-direction: column;
    }

    #versions.builder-section-card > .builder-main-details > summary small {
        text-align: left;
    }

    .assignment-versions-table th:last-child,
    .assignment-versions-table td.version-actions-cell {
        min-width: 280px;
    }
}


/* v26.03: standard Builder collapsed headers and version action buttons */
#source-documents > .builder-main-details,
#forms-fields > .builder-main-details,
#grading-rules > .builder-main-details,
#ai-integrity > .builder-main-details,
#versions > .builder-main-details,
#builder-json > .builder-main-details,
#source-documents > .settings-details.builder-main-details,
#forms-fields > .settings-details.builder-main-details,
#grading-rules > .settings-details.builder-main-details,
#ai-integrity > .settings-details.builder-main-details,
#versions > .settings-details.builder-main-details,
#builder-json > .settings-details.builder-main-details {
    width: 100%;
    max-width: none;
    margin: 0;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(255,255,255,0.78);
    box-shadow: none;
    box-sizing: border-box;
    overflow: hidden;
}

#source-documents > .builder-main-details > summary,
#forms-fields > .builder-main-details > summary,
#grading-rules > .builder-main-details > summary,
#ai-integrity > .builder-main-details > summary,
#versions > .builder-main-details > summary,
#builder-json > .builder-main-details > summary,
#source-documents > .settings-details.builder-main-details > summary,
#forms-fields > .settings-details.builder-main-details > summary,
#grading-rules > .settings-details.builder-main-details > summary,
#ai-integrity > .settings-details.builder-main-details > summary,
#versions > .settings-details.builder-main-details > summary,
#builder-json > .settings-details.builder-main-details > summary {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: auto auto;
    column-gap: 16px;
    row-gap: 0;
    align-items: center !important;
    width: 100%;
    box-sizing: border-box;
    padding: 14px 16px !important;
    cursor: pointer;
    color: var(--text);
    border-radius: 14px;
    background: rgba(248,250,252,0.75);
    border-bottom: 0;
    list-style: none !important;
}

#source-documents > .builder-main-details[open] > summary,
#forms-fields > .builder-main-details[open] > summary,
#grading-rules > .builder-main-details[open] > summary,
#ai-integrity > .builder-main-details[open] > summary,
#versions > .builder-main-details[open] > summary,
#builder-json > .builder-main-details[open] > summary {
    border-bottom: 1px solid var(--line);
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

#source-documents > .builder-main-details > summary::-webkit-details-marker,
#forms-fields > .builder-main-details > summary::-webkit-details-marker,
#grading-rules > .builder-main-details > summary::-webkit-details-marker,
#ai-integrity > .builder-main-details > summary::-webkit-details-marker,
#versions > .builder-main-details > summary::-webkit-details-marker,
#builder-json > .builder-main-details > summary::-webkit-details-marker {
    display: none;
}

#source-documents > .builder-main-details > summary::marker,
#forms-fields > .builder-main-details > summary::marker,
#grading-rules > .builder-main-details > summary::marker,
#ai-integrity > .builder-main-details > summary::marker,
#versions > .builder-main-details > summary::marker,
#builder-json > .builder-main-details > summary::marker {
    content: "";
}

#source-documents > .builder-main-details > summary::after,
#forms-fields > .builder-main-details > summary::after,
#grading-rules > .builder-main-details > summary::after,
#ai-integrity > .builder-main-details > summary::after,
#versions > .builder-main-details > summary::after,
#builder-json > .builder-main-details > summary::after {
    content: "▾";
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
    justify-self: end;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1;
    transition: transform 0.15s ease;
}

#source-documents > .builder-main-details[open] > summary::after,
#forms-fields > .builder-main-details[open] > summary::after,
#grading-rules > .builder-main-details[open] > summary::after,
#ai-integrity > .builder-main-details[open] > summary::after,
#versions > .builder-main-details[open] > summary::after,
#builder-json > .builder-main-details[open] > summary::after {
    transform: rotate(180deg);
}

#source-documents > .builder-main-details > summary > span,
#forms-fields > .builder-main-details > summary > span,
#grading-rules > .builder-main-details > summary > span,
#ai-integrity > .builder-main-details > summary > span,
#versions > .builder-main-details > summary > span,
#builder-json > .builder-main-details > summary > span {
    display: block;
    grid-column: 1;
    grid-row: 1;
    margin: 0;
    font-size: inherit;
    font-weight: 800;
    color: var(--text);
}

#source-documents > .builder-main-details > summary > small,
#forms-fields > .builder-main-details > summary > small,
#grading-rules > .builder-main-details > summary > small,
#ai-integrity > .builder-main-details > summary > small,
#versions > .builder-main-details > summary > small,
#builder-json > .builder-main-details > summary > small {
    display: block;
    grid-column: 1;
    grid-row: 2;
    margin-top: 4px;
    color: var(--muted);
    font-weight: 500;
    line-height: 1.35;
    text-align: left !important;
}

#versions .assignment-versions-builder-body {
    padding: 20px;
}

/* Keep version action buttons the same height and give both the same subtle border. */
.version-primary-actions {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.version-primary-actions .inline-form {
    display: inline-flex;
    align-items: center;
    margin: 0;
}

.version-primary-actions .button,
.version-primary-actions button,
.version-primary-actions button.button {
    box-sizing: border-box;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    height: 34px;
    min-height: 34px;
    padding: 0 10px !important;
    border: 1px solid var(--line) !important;
    border-radius: 8px;
    background: #eef2f8;
    color: var(--text) !important;
    font: inherit;
    font-size: 0.84rem;
    font-weight: 700;
    line-height: 1 !important;
    white-space: nowrap;
    text-decoration: none !important;
    vertical-align: middle;
}

.version-primary-actions .button:hover,
.version-primary-actions button:hover,
.version-primary-actions button.button:hover,
.version-primary-actions .button:focus-visible,
.version-primary-actions button:focus-visible,
.version-primary-actions button.button:focus-visible {
    background: #e2e8f0;
    border-color: #cbd5e1 !important;
    text-decoration: none !important;
}


/* v26.04: Student Instructions uses the same Builder collapsed-section style */
#student-instructions.builder-section-card {
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
}

#student-instructions > .builder-main-details,
#student-instructions > .settings-details.builder-main-details {
    width: 100%;
    max-width: none;
    margin: 0;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(255,255,255,0.78);
    box-shadow: none;
    box-sizing: border-box;
    overflow: hidden;
}

#student-instructions > .builder-main-details > summary,
#student-instructions > .settings-details.builder-main-details > summary {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: auto auto;
    column-gap: 16px;
    row-gap: 0;
    align-items: center !important;
    width: 100%;
    box-sizing: border-box;
    padding: 14px 16px !important;
    cursor: pointer;
    color: var(--text);
    border-radius: 14px;
    background: rgba(248,250,252,0.75);
    border-bottom: 0;
    list-style: none !important;
}

#student-instructions > .builder-main-details[open] > summary {
    border-bottom: 1px solid var(--line);
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

#student-instructions > .builder-main-details > summary::-webkit-details-marker {
    display: none;
}

#student-instructions > .builder-main-details > summary::marker {
    content: "";
}

#student-instructions > .builder-main-details > summary::after {
    content: "▾";
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
    justify-self: end;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1;
    transition: transform 0.15s ease;
}

#student-instructions > .builder-main-details[open] > summary::after {
    transform: rotate(180deg);
}

#student-instructions > .builder-main-details > summary > span {
    display: block;
    grid-column: 1;
    grid-row: 1;
    margin: 0;
    font-size: inherit;
    font-weight: 800;
    color: var(--text);
}

#student-instructions > .builder-main-details > summary > small {
    display: block;
    grid-column: 1;
    grid-row: 2;
    margin-top: 4px;
    color: var(--muted);
    font-weight: 500;
    line-height: 1.35;
    text-align: left !important;
}

#student-instructions .builder-collapsible-section-body {
    padding: 20px;
}


/* v26.05: move version status into Assignment Detail hero */
.assignment-detail-version-pills {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.version-warning-notes {
    margin: 14px 0 16px;
}

.version-warning-notes .context-note {
    margin: 10px 0;
}

.assignment-detail-hero .version-status-pills {
    justify-content: flex-start;
}


/* v26.06: keep version action table cells as table cells; align buttons inside */
.assignment-versions-table td.version-actions-cell,
.assignment-versions-table th:last-child {
    display: table-cell !important;
    vertical-align: top;
    border-bottom: 1px solid var(--line);
}

.assignment-versions-table td.version-actions-cell {
    padding-top: 12px;
    padding-bottom: 12px;
}

.assignment-versions-table .version-primary-actions {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start;
    gap: 8px;
    flex-wrap: wrap;
    margin: 0 0 8px 0;
    padding: 0;
}

.assignment-versions-table .version-primary-actions .inline-form {
    display: flex !important;
    align-items: center !important;
    justify-content: center;
    margin: 0 !important;
    padding: 0 !important;
    height: 34px;
}

.assignment-versions-table .version-primary-actions a.button,
.assignment-versions-table .version-primary-actions button.button,
.assignment-versions-table .version-primary-actions .button.secondary.small-button {
    appearance: none;
    -webkit-appearance: none;
    box-sizing: border-box;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    height: 34px !important;
    min-height: 34px !important;
    max-height: 34px !important;
    margin: 0 !important;
    padding: 0 12px !important;
    border: 1px solid var(--line) !important;
    border-radius: 8px !important;
    background: #eef2f8 !important;
    color: var(--text) !important;
    font-family: inherit !important;
    font-size: 0.84rem !important;
    font-weight: 700 !important;
    line-height: 1 !important;
    text-decoration: none !important;
    white-space: nowrap;
    vertical-align: middle !important;
}

.assignment-versions-table .version-primary-actions a.button:hover,
.assignment-versions-table .version-primary-actions button.button:hover,
.assignment-versions-table .version-primary-actions a.button:focus-visible,
.assignment-versions-table .version-primary-actions button.button:focus-visible {
    background: #e2e8f0 !important;
    border-color: #cbd5e1 !important;
    text-decoration: none !important;
}

.assignment-versions-table .version-actions-cell > .mini-details,
.assignment-versions-table .version-actions-cell > .hint {
    display: block;
    margin: 6px 0 0 0;
}

/* Undo older broad flex styling on the table cell itself. */
.version-actions-cell {
    display: table-cell !important;
}


/* v26.07: Section Scope/Section Filter is shown on Assignment Detail only, not Builder. */


/* v26.08: Assignment Detail version-status hotfix. */


/* v26.09: removed misplaced version delete controls from non-version table cells. */


/* v26.10: Assignment Detail shows only compact published/unpublished status; version management lives on Builder. */
.assignment-detail-version-pills .pill {
    white-space: nowrap;
}


/* v26.11: Version comparison panel */
.version-comparison-panel {
    margin: 18px 0;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(248, 250, 252, 0.72);
}

.version-comparison-panel h3 {
    margin-top: 0;
    margin-bottom: 4px;
}

.version-comparison-form {
    margin-top: 12px;
}

.version-comparison-controls {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) minmax(220px, 1fr) auto;
    align-items: end;
    gap: 12px;
}

.version-comparison-controls label {
    display: grid;
    gap: 6px;
    font-weight: 700;
    color: var(--text);
}

.version-comparison-controls select {
    width: 100%;
}

.version-comparison-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 14px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #ffffff;
}

.version-comparison-summary div {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.version-comparison-counts,
.version-category-counts {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.version-category-counts span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 8px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #fff;
    color: var(--muted);
    font-size: 0.84rem;
}

.version-comparison-details {
    margin-top: 12px;
}

.version-comparison-table th,
.version-comparison-table td {
    vertical-align: top;
}

.version-value-change {
    margin-top: 4px;
    color: var(--muted);
    font-size: 0.86rem;
}

@media (max-width: 900px) {
    .version-comparison-controls {
        grid-template-columns: 1fr;
    }
}


/* v26.12: version comparison polish */
.version-comparison-panel {
    padding: 0 !important;
    overflow: hidden;
}

.version-comparison-panel > summary {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: auto auto;
    column-gap: 16px;
    align-items: center;
    padding: 14px 16px;
    cursor: pointer;
    list-style: none;
    background: rgba(248,250,252,0.86);
}

.version-comparison-panel > summary::-webkit-details-marker {
    display: none;
}

.version-comparison-panel > summary::marker {
    content: "";
}

.version-comparison-panel > summary::after {
    content: "▾";
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
    justify-self: end;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1;
    transition: transform 0.15s ease;
}

.version-comparison-panel[open] > summary {
    border-bottom: 1px solid var(--line);
}

.version-comparison-panel[open] > summary::after {
    transform: rotate(180deg);
}

.version-comparison-panel > summary span {
    display: block;
    grid-column: 1;
    grid-row: 1;
    font-weight: 800;
    color: var(--text);
}

.version-comparison-panel > summary small {
    display: block;
    grid-column: 1;
    grid-row: 2;
    margin-top: 4px;
    color: var(--muted);
    line-height: 1.35;
}

.version-comparison-body {
    padding: 16px;
}

.version-comparison-controls {
    align-items: end !important;
}

.version-comparison-controls .version-compare-submit {
    align-self: end;
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    height: 40px;
    margin: 0;
    padding: 0 16px;
    white-space: nowrap;
}

.version-comparison-controls label select {
    min-height: 40px;
}

.version-comparison-table th:nth-child(5),
.version-comparison-table th:nth-child(6),
.version-comparison-table td.version-value-cell {
    min-width: 180px;
}

.version-value-cell {
    color: var(--text);
    font-size: 0.86rem;
    line-height: 1.35;
    overflow-wrap: anywhere;
    max-width: 360px;
}


/* v26.13: force Version Comparison controls onto an aligned grid row */
.version-compare-form,
.version-comparison-form,
.compare-versions-form,
form.version-compare-form,
form.version-comparison-form,
form.compare-versions-form {
    display: grid !important;
    grid-template-columns: minmax(220px, 1fr) minmax(220px, 1fr) auto !important;
    column-gap: 12px !important;
    row-gap: 10px !important;
    align-items: end !important;
    margin: 0 !important;
}

.version-compare-form .form-field,
.version-comparison-form .form-field,
.compare-versions-form .form-field,
.version-compare-form label,
.version-comparison-form label,
.compare-versions-form label {
    display: flex !important;
    flex-direction: column !important;
    gap: 6px !important;
    margin: 0 !important;
    min-width: 0 !important;
}

.version-compare-form select,
.version-comparison-form select,
.compare-versions-form select {
    box-sizing: border-box !important;
    width: 100% !important;
    height: 40px !important;
    min-height: 40px !important;
    max-height: 40px !important;
    margin: 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    line-height: 40px !important;
    vertical-align: bottom !important;
}

.version-compare-form .button,
.version-comparison-form .button,
.compare-versions-form .button,
.version-compare-form button,
.version-comparison-form button,
.compare-versions-form button {
    box-sizing: border-box !important;
    align-self: end !important;
    justify-self: start !important;
    height: 40px !important;
    min-height: 40px !important;
    max-height: 40px !important;
    margin: 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    line-height: 1 !important;
    vertical-align: bottom !important;
    white-space: nowrap !important;
}

/* Handles v26.11/26.12 markup that may still use generic inline wrappers. */
.version-comparison-panel form,
.version-compare-panel form,
#version-comparison form,
#version-compare form {
    display: grid !important;
    grid-template-columns: minmax(220px, 1fr) minmax(220px, 1fr) auto !important;
    column-gap: 12px !important;
    row-gap: 10px !important;
    align-items: end !important;
    margin: 0 !important;
}

.version-comparison-panel form label,
.version-compare-panel form label,
#version-comparison form label,
#version-compare form label {
    display: flex !important;
    flex-direction: column !important;
    gap: 6px !important;
    margin: 0 !important;
    min-width: 0 !important;
}

.version-comparison-panel form select,
.version-compare-panel form select,
#version-comparison form select,
#version-compare form select {
    box-sizing: border-box !important;
    width: 100% !important;
    height: 40px !important;
    min-height: 40px !important;
    max-height: 40px !important;
    margin: 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
}

.version-comparison-panel form button,
.version-compare-panel form button,
#version-comparison form button,
#version-compare form button {
    box-sizing: border-box !important;
    align-self: end !important;
    justify-self: start !important;
    height: 40px !important;
    min-height: 40px !important;
    max-height: 40px !important;
    margin: 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    line-height: 1 !important;
    white-space: nowrap !important;
}

@media (max-width: 760px) {
    .version-compare-form,
    .version-comparison-form,
    .compare-versions-form,
    form.version-compare-form,
    form.version-comparison-form,
    form.compare-versions-form,
    .version-comparison-panel form,
    .version-compare-panel form,
    #version-comparison form,
    #version-compare form {
        grid-template-columns: 1fr !important;
    }

    .version-compare-form .button,
    .version-comparison-form .button,
    .compare-versions-form .button,
    .version-compare-form button,
    .version-comparison-form button,
    .compare-versions-form button,
    .version-comparison-panel form button,
    .version-compare-panel form button,
    #version-comparison form button,
    #version-compare form button {
        width: 100% !important;
        justify-self: stretch !important;
    }
}


/* v26.14: Versions section moved near the top of the Builder. */


/* v26.15: publish impact preview and visible version labels in grade/submission tables */
.publish-impact-preview {
    margin: 16px 0;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(248, 250, 252, 0.72);
    padding: 0;
    overflow: hidden;
}

.publish-impact-preview > summary {
    cursor: pointer;
    padding: 12px 14px;
    font-weight: 800;
    color: var(--text);
    background: rgba(241, 245, 249, 0.9);
}

.publish-impact-preview[open] > summary {
    border-bottom: 1px solid var(--line);
}

.publish-impact-preview > *:not(summary) {
    margin-left: 14px;
    margin-right: 14px;
}

.publish-impact-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 14px;
    margin-bottom: 12px;
}

.publish-impact-grid > div {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    padding: 12px;
}

.publish-impact-grid strong {
    display: block;
    font-size: 1.45rem;
    color: var(--text);
}

.publish-impact-grid span {
    display: block;
    color: var(--muted);
    font-size: 0.88rem;
    margin-top: 3px;
}

.publish-impact-table-wrap {
    margin-top: 12px;
    margin-bottom: 14px;
}

.publish-impact-table th,
.publish-impact-table td {
    white-space: nowrap;
}

@media (max-width: 850px) {
    .publish-impact-grid {
        grid-template-columns: 1fr;
    }
}


/* v26.16: Builder Publish Impact hotfix. */


/* v26.17: Version detail page */
.version-detail-hero .actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    justify-content: flex-end;
}

.version-detail-count-grid,
.version-detail-settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin-top: 14px;
}

.version-detail-count-grid > div,
.version-detail-setting-card,
.version-detail-doc-card {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(255,255,255,0.88);
    padding: 14px;
}

.version-detail-count-grid strong {
    display: block;
    font-size: 1.45rem;
    color: var(--text);
}

.version-detail-count-grid span {
    color: var(--muted);
    font-size: 0.9rem;
}

.version-detail-section {
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
}

.version-detail-section > .builder-main-details,
.version-detail-section > .settings-details.builder-main-details {
    width: 100%;
    max-width: none;
    margin: 0;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(255,255,255,0.78);
    box-shadow: none;
    overflow: hidden;
}

.version-detail-section > .builder-main-details > summary,
.version-detail-section > .settings-details.builder-main-details > summary {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: auto auto;
    column-gap: 16px;
    align-items: center !important;
    padding: 14px 16px !important;
    cursor: pointer;
    background: rgba(248,250,252,0.75);
    list-style: none !important;
}

.version-detail-section > .builder-main-details > summary::-webkit-details-marker,
.version-detail-section > .settings-details.builder-main-details > summary::-webkit-details-marker {
    display: none;
}

.version-detail-section > .builder-main-details > summary::after,
.version-detail-section > .settings-details.builder-main-details > summary::after {
    content: "▾";
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
    justify-self: end;
    color: var(--muted);
    font-size: 0.95rem;
    transition: transform 0.15s ease;
}

.version-detail-section > .builder-main-details[open] > summary,
.version-detail-section > .settings-details.builder-main-details[open] > summary {
    border-bottom: 1px solid var(--line);
}

.version-detail-section > .builder-main-details[open] > summary::after,
.version-detail-section > .settings-details.builder-main-details[open] > summary::after {
    transform: rotate(180deg);
}

.version-detail-section > .builder-main-details > summary > span,
.version-detail-section > .settings-details.builder-main-details > summary > span {
    grid-column: 1;
    grid-row: 1;
    font-weight: 800;
    color: var(--text);
}

.version-detail-section > .builder-main-details > summary > small,
.version-detail-section > .settings-details.builder-main-details > summary > small {
    grid-column: 1;
    grid-row: 2;
    color: var(--muted);
    margin-top: 4px;
    line-height: 1.35;
}

.version-detail-doc-grid {
    display: grid;
    gap: 14px;
}

.version-detail-table {
    width: 100%;
    border-collapse: collapse;
}

.version-detail-table th,
.version-detail-table td {
    border-bottom: 1px solid var(--line);
    padding: 9px 10px;
    text-align: left;
    vertical-align: top;
}

.version-detail-table th {
    color: var(--muted);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    background: rgba(248,250,252,0.9);
}

.version-detail-table code {
    white-space: nowrap;
}

.version-detail-grading-table td:nth-child(4),
.version-detail-grading-table td:nth-child(5) {
    max-width: 320px;
}

.nested-mini-details {
    margin: 0;
}

.compact-list {
    margin: 8px 0 0 18px;
    padding: 0;
}

@media (max-width: 760px) {
    .version-detail-hero .actions {
        justify-content: flex-start;
    }
}


/* v26.18: correction/regrade preview */
.regrade-preview-panel {
    margin: 18px 0;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(248, 250, 252, 0.74);
    overflow: hidden;
}

.regrade-preview-panel > summary {
    cursor: pointer;
    padding: 12px 14px;
    font-weight: 800;
    color: var(--text);
    background: rgba(241, 245, 249, 0.92);
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 4px 12px;
    align-items: center;
}

.regrade-preview-panel > summary small {
    grid-column: 1 / -1;
    color: var(--muted);
    font-weight: 500;
}

.regrade-preview-panel[open] > summary {
    border-bottom: 1px solid var(--line);
}

.regrade-preview-body {
    padding: 14px;
}

.regrade-preview-form {
    display: grid;
    grid-template-columns: minmax(220px, 1.2fr) minmax(220px, 1fr) minmax(220px, 1fr) auto;
    gap: 12px;
    align-items: end;
    margin: 14px 0;
}

.regrade-preview-form label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin: 0;
    min-width: 0;
}

.regrade-preview-form select,
.regrade-preview-form button {
    min-height: 40px;
}

.regrade-preview-submit {
    align-self: end;
    white-space: nowrap;
}

.regrade-preview-summary {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin: 16px 0 12px;
}

.regrade-preview-summary > div {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    padding: 12px;
}

.regrade-preview-summary strong {
    display: block;
    font-size: 1.35rem;
    color: var(--text);
}

.regrade-preview-summary span {
    display: block;
    color: var(--muted);
    font-size: 0.88rem;
    margin-top: 3px;
}

.regrade-comparison-mini {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin: 12px 0;
}

.regrade-comparison-mini > span:not(.pill) {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 4px 9px;
    background: #fff;
    color: var(--muted);
    font-size: 0.86rem;
}

.regrade-preview-table th,
.regrade-preview-table td {
    vertical-align: top;
}

.regrade-preview-students-table td:nth-child(4),
.regrade-preview-students-table td:nth-child(5),
.regrade-preview-students-table td:nth-child(6) {
    white-space: nowrap;
}

@media (max-width: 1050px) {
    .regrade-preview-form {
        grid-template-columns: 1fr 1fr;
    }

    .regrade-preview-submit {
        justify-self: start;
    }

    .regrade-preview-summary {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .regrade-preview-form,
    .regrade-preview-summary {
        grid-template-columns: 1fr;
    }

    .regrade-preview-submit {
        width: 100%;
        justify-self: stretch;
    }
}


/* v26.19: consistent Builder version-tool collapsible panel formatting */
.builder-version-tool-panel {
    margin: 16px 0 !important;
    border: 1px solid var(--line) !important;
    border-radius: 12px !important;
    background: rgba(248, 250, 252, 0.74) !important;
    overflow: hidden !important;
    padding: 0 !important;
}

.builder-version-tool-panel > summary {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    cursor: pointer !important;
    padding: 12px 14px !important;
    margin: 0 !important;
    font-weight: 800 !important;
    color: var(--text) !important;
    background: rgba(241, 245, 249, 0.92) !important;
    list-style: none !important;
}

.builder-version-tool-panel > summary::-webkit-details-marker {
    display: none !important;
}

.builder-version-tool-panel > summary::marker {
    content: "" !important;
}

.builder-version-tool-panel > summary::before {
    content: "▸" !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 1em !important;
    color: var(--muted) !important;
    font-size: 0.95rem !important;
    line-height: 1 !important;
    flex: 0 0 auto !important;
}

.builder-version-tool-panel[open] > summary::before {
    content: "▾" !important;
}

.builder-version-tool-panel > summary::after {
    content: none !important;
    display: none !important;
}

.builder-version-tool-panel > summary span {
    display: inline !important;
    grid-column: auto !important;
    grid-row: auto !important;
    margin: 0 !important;
    font-weight: 800 !important;
    color: var(--text) !important;
}

.builder-version-tool-panel > summary small {
    display: none !important;
}

.builder-version-tool-panel[open] > summary {
    border-bottom: 1px solid var(--line) !important;
}

.builder-version-tool-body {
    padding: 14px !important;
}

/* Undo older per-panel spacing now that all three use the same body wrapper. */
.publish-impact-preview > *:not(summary) {
    margin-left: 0 !important;
    margin-right: 0 !important;
}

.version-comparison-panel > summary,
.regrade-preview-panel > summary {
    grid-template-columns: none !important;
    grid-template-rows: none !important;
}

.version-comparison-body,
.regrade-preview-body {
    padding: 14px !important;
}


/* v26.20: combined draft version actions */
.draft-version-actions-form {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(248, 250, 252, 0.72);
    padding: 14px;
    margin: 16px 0;
}

.draft-version-actions-form > label {
    display: block;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 8px;
}

.draft-version-actions-row {
    display: grid;
    grid-template-columns: minmax(260px, 1fr) auto;
    gap: 12px;
    align-items: center;
}

.draft-version-actions-row input[type="text"] {
    min-height: 40px;
}

.draft-version-action-buttons {
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.draft-version-action-buttons .button,
.draft-version-action-buttons .form-submit-button {
    min-height: 40px;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 850px) {
    .draft-version-actions-row {
        grid-template-columns: 1fr;
    }

    .draft-version-action-buttons .button,
    .draft-version-action-buttons .form-submit-button {
        width: 100%;
    }
}


/* v26.21: version tool order/defaults and draft action alignment */
.card form .draft-version-action-buttons .form-submit-button,
.draft-version-action-buttons .form-submit-button,
.card form .draft-version-action-buttons .button,
.draft-version-action-buttons .button {
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    height: 40px !important;
    min-height: 40px !important;
    max-height: 40px !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    line-height: 1 !important;
    vertical-align: bottom !important;
}

.draft-version-actions-row {
    align-items: end !important;
}

.draft-version-actions-row input[type="text"] {
    box-sizing: border-box !important;
    height: 40px !important;
    min-height: 40px !important;
    max-height: 40px !important;
    margin: 0 !important;
}

.draft-version-action-buttons {
    align-self: end !important;
    min-height: 40px !important;
    display: inline-flex !important;
    align-items: end !important;
}

.version-tools-stack-note {
    display: none;
}


/* v26.22: fixes Builder version tool panel HTML nesting so Version Comparison, Publish Impact Preview, and Correction / Regrade Preview render as siblings. */


/* v26.23: stable version labels and editable notes */
.version-note-inline-form {
    display: grid;
    grid-template-columns: minmax(180px, 1fr) auto;
    gap: 8px;
    align-items: center;
    min-width: 300px;
}

.version-note-inline-form input[type="text"] {
    min-height: 34px;
    width: 100%;
    box-sizing: border-box;
}

.version-note-inline-form .small-button {
    min-height: 34px;
    white-space: nowrap;
}

.version-detail-note-form {
    display: grid;
    grid-template-columns: minmax(260px, 1fr) auto;
    gap: 10px;
    align-items: center;
    margin-top: 12px;
}

.version-detail-note-form input[type="text"] {
    min-height: 40px;
    width: 100%;
    box-sizing: border-box;
}

.assignment-versions-table th:nth-child(4),
.assignment-versions-table td:nth-child(4) {
    min-width: 330px;
}

@media (max-width: 760px) {
    .version-note-inline-form,
    .version-detail-note-form {
        grid-template-columns: 1fr;
    }
}


/* v26.24: Versions table note is plain text until the instructor clicks Edit. */
.version-note-cell {
    vertical-align: top;
}

.version-note-display {
    color: var(--text);
    line-height: 1.4;
    max-width: 360px;
    white-space: normal;
    word-break: break-word;
}

.version-note-edit-details {
    margin-top: 8px;
}

.version-note-edit-details > summary {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    color: var(--link);
    font-size: 0.82rem;
    font-weight: 700;
    list-style: none;
    padding: 0;
    text-decoration: none;
}

.version-note-edit-details > summary::-webkit-details-marker {
    display: none;
}

.version-note-edit-details > summary:hover,
.version-note-edit-details > summary:focus-visible {
    text-decoration: underline;
}

.version-note-edit-details[open] > summary {
    margin-bottom: 8px;
}

.version-note-edit-details .version-note-inline-form {
    display: grid;
    grid-template-columns: minmax(180px, 1fr) auto;
    gap: 8px;
    align-items: center;
    min-width: 300px;
}

.version-note-edit-details .version-note-inline-form input[type="text"] {
    min-height: 34px;
    width: 100%;
    box-sizing: border-box;
}

.version-note-edit-details .version-note-inline-form .small-button {
    min-height: 34px;
    white-space: nowrap;
}

@media (max-width: 760px) {
    .version-note-edit-details .version-note-inline-form {
        grid-template-columns: 1fr;
        min-width: 0;
    }
}


/* v26.25: regrade event / audit log */
.record-regrade-preview-details {
    margin: 14px 0;
}

.record-regrade-preview-form textarea {
    width: 100%;
    box-sizing: border-box;
}

.regrade-audit-log-table th,
.regrade-audit-log-table td {
    vertical-align: top;
}

.regrade-audit-log-table td:nth-child(5) {
    white-space: nowrap;
}

.regrade-event-summary-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin: 16px 0;
}

.regrade-event-summary-grid > div {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    padding: 12px;
}

.regrade-event-summary-grid strong {
    display: block;
    color: var(--text);
}

.regrade-event-summary-grid span {
    display: block;
    color: var(--muted);
    font-size: 0.85rem;
    margin-top: 3px;
}

.regrade-event-detail-card .subcard {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 16px;
    margin-top: 16px;
    background: rgba(248, 250, 252, 0.6);
}

.regrade-event-detail-card .subcard h2 {
    margin-top: 0;
}

.regrade-event-impact-summary {
    margin-top: 18px;
}

@media (max-width: 950px) {
    .regrade-event-summary-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 650px) {
    .regrade-event-summary-grid {
        grid-template-columns: 1fr;
    }
}


/* v26.26: Apply Correction / Regrade workflow. */
.apply-correction-card {
    border-color: rgba(217, 119, 6, 0.35);
    background: rgba(255, 251, 235, 0.45);
}

.apply-correction-form {
    display: grid;
    gap: 12px;
    max-width: 760px;
}

.apply-correction-form .confirm-text-label input {
    max-width: 220px;
}

.applied-correction-summary {
    border-color: rgba(22, 163, 74, 0.28);
    background: rgba(240, 253, 244, 0.45);
}


/* v26.27: instructor-side correction/regrade indicators */
.pill.purple,
.correction-pill {
    background: rgba(124, 58, 237, 0.12);
    color: #5b21b6;
    border-color: rgba(124, 58, 237, 0.28);
}

.muted-dash {
    color: var(--muted);
}


/* v26.28: Advanced move-started-students workflow */
.move-students-card {
    border-color: rgba(185, 28, 28, 0.22);
    background: rgba(254, 242, 242, 0.45);
}

.moved-version-summary {
    border-color: rgba(22, 163, 74, 0.24);
}


/* v26.29: stronger warnings for incompatible advanced version moves */
.incompatible-move-warning { margin-top: 12px; margin-bottom: 12px; }
.incompatible-move-warning p { margin: 8px 0; }
.move-consequences-box { border: 1px solid rgba(180, 83, 9, 0.28); border-radius: 12px; background: rgba(255, 251, 235, 0.72); padding: 12px 14px; margin: 12px 0; }
.move-consequences-box strong { display: block; margin-bottom: 6px; }
.move-consequences-box ul, .incompatible-move-warning ul { margin-top: 6px; }


/* v26.30: source-document copy counts */
.common-source-document-copy-grid {
    display: grid;
    gap: 10px;
}

.common-source-document-copy-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 150px;
    gap: 14px;
    align-items: center;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.82);
    padding: 12px;
}

.common-source-document-copy-row small {
    display: block;
    color: var(--muted);
    margin-top: 3px;
}

.common-source-document-copy-row label {
    margin: 0;
}

.field-builder-line-header {
    gap: 12px;
}

@media (max-width: 700px) {
    .common-source-document-copy-row {
        grid-template-columns: 1fr;
    }
}


/* v26.31: removed field drag handles/drag-drop field ordering UI; numeric field order remains. */


/* v26.32: Quick Field Editor */
.quick-field-editor-card {
    scroll-margin-top: 90px;
}

.quick-field-editor-form-list {
    display: grid;
    gap: 12px;
    margin-top: 14px;
}

.quick-field-editor-form-panel > summary {
    font-weight: 800;
}

.quick-field-editor-table {
    width: 100%;
    border-collapse: collapse;
}

.quick-field-editor-table th,
.quick-field-editor-table td {
    border-bottom: 1px solid var(--line);
    padding: 9px 10px;
    text-align: left;
    vertical-align: middle;
}

.quick-field-editor-table th {
    color: var(--muted);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: rgba(248, 250, 252, 0.78);
}

.quick-field-handle-header,
.quick-field-handle-cell {
    width: 42px;
    text-align: center;
}

.quick-field-drag-handle {
    width: 30px;
    height: 30px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    color: var(--muted);
    cursor: grab;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    line-height: 1;
}

.quick-field-drag-handle:active {
    cursor: grabbing;
}

.quick-field-order-cell {
    width: 58px;
    color: var(--muted);
    font-weight: 800;
}

.quick-field-editor-row-dragging {
    opacity: 0.55;
}

.quick-field-editor-ungraded-row {
    background: rgba(248, 250, 252, 0.55);
}

.quick-field-points-input {
    max-width: 110px;
}

.quick-field-editor-footer {
    align-items: center;
    flex-wrap: wrap;
}

@media (max-width: 760px) {
    .quick-field-editor-table th:nth-child(3),
    .quick-field-editor-table td:nth-child(3),
    .quick-field-editor-table th:nth-child(5),
    .quick-field-editor-table td:nth-child(5) {
        display: none;
    }
}


/* v26.33: Quick Field Editor formatting/drag polish */
#quick-field-editor.card,
#quick-field-editor.builder-section-card {
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
}

#quick-field-editor > .builder-main-details,
#quick-field-editor > .settings-details.builder-main-details {
    width: 100%;
    max-width: none;
    margin: 0;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(255,255,255,0.78);
    box-sizing: border-box;
    overflow: hidden;
}

#quick-field-editor > .builder-main-details > summary,
#quick-field-editor > .settings-details.builder-main-details > summary {
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: 14px 16px;
    cursor: pointer;
    font-weight: 800;
    color: var(--text);
    border-radius: 14px;
    background: rgba(248,250,252,0.75);
    border-bottom: 0;
    list-style: revert;
}

#quick-field-editor > .builder-main-details[open] > summary,
#quick-field-editor > .settings-details.builder-main-details[open] > summary {
    border-bottom: 1px solid var(--line);
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

#quick-field-editor > .builder-main-details > summary span,
#quick-field-editor > .settings-details.builder-main-details > summary span {
    font-size: inherit;
    font-weight: inherit;
    margin: 0;
}

#quick-field-editor > .builder-main-details > summary small,
#quick-field-editor > .settings-details.builder-main-details > summary small {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-weight: 500;
    line-height: 1.35;
    text-align: left;
}

#quick-field-editor .builder-collapsible-section-body,
#quick-field-editor .builder-main-details > .builder-collapsible-section-body {
    padding: 16px;
}

#quick-field-editor > .builder-main-details > summary::before,
#quick-field-editor > .settings-details.builder-main-details > summary::before {
    content: none !important;
}

.quick-field-editor-form-panel {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    overflow: hidden;
}

.quick-field-editor-form-panel > summary {
    padding: 12px 14px;
    background: rgba(248,250,252,0.8);
    border-bottom: 1px solid transparent;
    cursor: pointer;
    list-style: revert;
}

.quick-field-editor-form-panel[open] > summary {
    border-bottom-color: var(--line);
}

.quick-field-editor-form-panel .settings-form {
    padding: 14px;
}

.quick-field-editor-table {
    table-layout: fixed;
}

.quick-field-handle-header,
.quick-field-handle-cell {
    width: 48px;
}

.quick-field-drag-handle {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    touch-action: none;
    user-select: none;
    font-size: 1.05rem;
}

.quick-field-editor-row-dragging {
    opacity: 0.72;
    outline: 2px solid rgba(15, 108, 189, 0.32);
    background: rgba(239, 246, 255, 0.65);
}

.quick-field-points-input {
    min-width: 140px;
    max-width: 180px;
    width: 150px;
}

.quick-field-editor-table th:nth-child(6),
.quick-field-editor-table td:nth-child(6) {
    width: 175px;
}

.quick-field-editor-table th:nth-child(2),
.quick-field-editor-table td:nth-child(2) {
    width: 70px;
}

.quick-field-editor-table th:nth-child(3),
.quick-field-editor-table td:nth-child(3) {
    width: 120px;
}

.quick-field-editor-table th:nth-child(5),
.quick-field-editor-table td:nth-child(5) {
    width: 130px;
}

@media (max-width: 760px) {
    .quick-field-points-input {
        width: 130px;
        min-width: 120px;
    }
}

/* v26.34: Quick Field Editor form cards should span full section width */
.quick-field-editor-form-list {
    display: grid;
    grid-template-columns: 1fr !important;
    gap: 12px;
    width: 100%;
}

.quick-field-editor-form-list > .quick-field-editor-form-panel,
.quick-field-editor-form-panel.compact-settings,
.quick-field-editor-form-panel.settings-details,
#quick-field-editor .quick-field-editor-form-panel {
    width: 100% !important;
    max-width: none !important;
    min-width: 0 !important;
    box-sizing: border-box;
}

#quick-field-editor .quick-field-editor-form,
#quick-field-editor .quick-field-editor-table-wrap,
#quick-field-editor .table-scroll {
    width: 100%;
    max-width: none;
    box-sizing: border-box;
}

/* ==========================================================================
   v26.35 — CourseSpan Tax brand system
   CourseSpan Navy #0B2343 · CourseSpan Blue #0F6CBD
   ========================================================================== */

body.coursespan-tax-app {
    font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
    background:
        radial-gradient(circle at 100% 0%, rgba(15, 108, 189, 0.055), transparent 28rem),
        var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

.topbar {
    min-height: 72px;
    padding: 12px max(24px, calc((100vw - 1180px) / 2));
    gap: 28px;
    background: rgba(255, 255, 255, 0.97);
    border-bottom: 1px solid #dfe7ef;
    box-shadow: 0 1px 0 rgba(11, 35, 67, 0.02);
    position: relative;
    z-index: 50;
}

.topbar::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 2px;
    background: linear-gradient(90deg, var(--navy) 0 43%, var(--blue) 57% 100%);
    opacity: 0.92;
}

.brand.coursespan-app-brand {
    min-width: 0;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--navy);
    text-decoration: none;
}

.coursespan-horizontal-logo {
    display: block;
    width: 220px;
    max-width: 44vw;
    line-height: 0;
}

.coursespan-horizontal-logo svg {
    display: block;
    width: 100%;
    height: auto;
}

.coursespan-product-divider {
    width: 1px;
    height: 30px;
    background: #cbd5e1;
}

.coursespan-product-name {
    font-family: "Montserrat", "Inter", sans-serif;
    font-size: 1.03rem;
    font-weight: 600;
    color: var(--navy);
    letter-spacing: 0.01em;
}

.topnav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.topnav a,
nav a {
    margin-left: 0;
    padding: 8px 12px;
    border-radius: 6px;
    color: #435264;
    font-size: 0.9rem;
    font-weight: 650;
    text-decoration: none;
    transition: color 140ms ease, background-color 140ms ease;
}

.topnav a:hover {
    color: var(--navy);
    background: var(--blue-soft);
}

.topnav a.active,
.topnav a[aria-current="page"] {
    color: var(--blue);
    background: var(--blue-soft);
}

.app-main {
    margin-top: 28px;
    margin-bottom: 44px;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--navy);
    letter-spacing: -0.012em;
}

h1 { font-weight: 700; }
h2, h3 { font-weight: 700; }

.eyebrow {
    color: var(--blue);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.105em;
}

.lead,
.form-description {
    color: #435264;
}

.card,
.hero-card,
.form-tabs,
.material-panel,
.form-card,
.compact-material-card,
.quick-field-editor-form-panel,
.settings-details,
.builder-collapsible-section-details,
.builder-version-tool-panel {
    border-color: #dfe7ef;
}

.card,
.hero-card {
    border-radius: 10px;
    box-shadow: 0 1px 2px rgba(11, 35, 67, 0.045);
}

.hero-card {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #ffffff 0%, #f5f9fd 72%, #eef4fa 100%);
    border-color: #d8e5f1;
}

.hero-card::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: linear-gradient(180deg, var(--navy), var(--blue));
}

.hero-card > * { position: relative; }
.narrow { max-width: 540px; }

label {
    color: #24354a;
    font-size: 0.91rem;
    font-weight: 650;
}

input,
select,
textarea {
    min-height: 44px;
    border-color: #cbd5e1;
    border-radius: 6px;
    background: #fff;
    color: var(--text);
    font-family: "Inter", system-ui, sans-serif;
    transition: border-color 140ms ease, box-shadow 140ms ease, background-color 140ms ease;
}

textarea { min-height: 96px; }

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

button,
.button {
    min-height: 40px;
    border-radius: 6px;
    background: var(--blue);
    font-family: "Inter", system-ui, sans-serif;
    font-weight: 650;
    box-shadow: none;
    transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease, transform 100ms ease;
}

button:hover:not(:disabled),
.button:hover {
    background: var(--primary-hover);
}

button:active:not(:disabled),
.button:active { transform: translateY(1px); }

button.secondary,
.button.secondary,
.secondary {
    background: #fff;
    color: var(--navy);
    border: 1px solid #cbd5e1;
}

button.secondary:hover:not(:disabled),
.button.secondary:hover,
.secondary:hover {
    background: var(--blue-soft);
    border-color: #9cbddd;
    color: var(--navy);
}

button.danger,
.button.danger,
.danger.button { background: var(--danger); color: #fff; }

table { font-variant-numeric: tabular-nums; }

th {
    color: #5b6878;
    font-size: 0.8rem;
    font-weight: 750;
    letter-spacing: 0.045em;
}

th,
td { border-bottom-color: #e2e8f0; }

tbody tr:hover td { background-color: rgba(238, 244, 250, 0.52); }

.pill,
.status { font-weight: 700; }

.material-tab,
.instructor-tab,
.instructor-menu-toggle,
.collapse-toggle,
.section-toggle {
    font-family: "Inter", system-ui, sans-serif;
}

.material-tab.active,
.instructor-tab.active {
    background: var(--blue-soft);
    border-color: #9cbddd;
    color: var(--blue);
}

.form-card,
.assignment-card-link { border-radius: 10px; }

.form-card:hover,
.assignment-card-link:hover,
.assignment-card-link:focus-visible {
    border-color: #83afd7;
    box-shadow: 0 5px 16px rgba(11, 35, 67, 0.07);
}

.summary-grid div {
    border-radius: 8px;
    background: #fbfdff;
    border-color: #e2e8f0;
}

.summary-grid strong { color: var(--navy); }

.alert {
    border-radius: 6px;
    border: 1px solid #dfe7ef;
}

.alert.info {
    color: #174f80;
    background: #eef6fd;
    border-color: #c6def2;
}

.instructor-tab-panels .card,
.builder-section-card,
.settings-details,
.builder-collapsible-section-details,
.builder-version-tool-panel,
.quick-field-editor-form-panel {
    box-shadow: none;
}

.coursespan-tax-app .card.narrow {
    margin-top: clamp(32px, 7vh, 78px);
    padding: 30px;
}

.coursespan-tax-app .card.narrow h1 { margin-bottom: 8px; }
.coursespan-tax-app .card.narrow form button[type="submit"] { margin-top: 18px; }

.app-footer {
    border-top: 1px solid #dfe7ef;
    background: #fff;
    color: #667586;
    font-size: 0.79rem;
}

.app-footer-inner {
    width: min(1180px, 94vw);
    min-height: 58px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.app-footer strong { color: var(--navy); }

.app-footer-links {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.app-footer a {
    color: #5b6c7e;
    text-decoration: none;
}

.app-footer a:hover {
    color: var(--blue);
    text-decoration: underline;
    text-underline-offset: 2px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
    outline: 3px solid var(--focus-ring);
    outline-offset: 2px;
}

@media (max-width: 760px) {
    .topbar {
        min-height: 64px;
        padding: 10px 16px;
        gap: 14px;
    }

    .coursespan-horizontal-logo {
        width: 188px;
        max-width: 58vw;
    }

    .coursespan-product-divider { height: 26px; }
    .coursespan-product-name { font-size: 0.92rem; }

    .topnav a {
        padding: 7px 9px;
        font-size: 0.84rem;
    }

    .app-main { margin-top: 18px; }

    .coursespan-tax-app .card.narrow {
        margin-top: 24px;
        padding: 22px;
    }
}

@media (max-width: 560px) {
    .topbar {
        flex-wrap: wrap;
        align-items: center;
    }

    .coursespan-horizontal-logo {
        width: 178px;
        max-width: 64vw;
    }

    .coursespan-product-divider,
    .coursespan-product-name { display: none; }

    .topnav {
        width: 100%;
        padding-top: 8px;
        border-top: 1px solid #e6edf4;
    }

    .topnav a {
        flex: 1;
        text-align: center;
    }

    .app-footer-inner {
        padding: 16px 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
}

@media print {
    .app-footer { display: none !important; }
}