:root {
    --bg: #f6f7fb;
    --card: #ffffff;
    --text: #172033;
    --muted: #687085;
    --line: #d8dce8;
    --primary: #1f5fbf;
    --primary-soft: #e8f0ff;
    --danger: #b42318;
}

* { 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, #f0f5ff); }
.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(31, 95, 191, 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(37, 99, 235, 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(37, 99, 235, 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(37, 99, 235, 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(37, 99, 235, 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(37, 99, 235, 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(37, 99, 235, 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(37, 99, 235, 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(37, 99, 235, 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(37, 99, 235, 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(37, 99, 235, 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;
    }
}