:root {
    --bg: #eef3f8;
    --ink: #16213e;
    --muted: #64748b;
    --primary: #4f46e5;
    --secondary: #06b6d4;
    --surface: #ffffff;
    --danger: #ef476f;
    --success: #06d6a0;
    --line: #dbe4ef;
    --shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(79, 70, 229, 0.12), transparent 30rem),
        radial-gradient(circle at top right, rgba(6, 182, 212, 0.12), transparent 28rem),
        var(--bg);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
    color: inherit;
    text-decoration: none;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem clamp(1rem, 4vw, 3rem);
    background: rgba(255, 255, 255, 0.78);
    border-bottom: 1px solid rgba(100, 116, 139, 0.16);
    backdrop-filter: blur(14px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    font-size: 1.15rem;
    font-weight: 900;
}

.brand span,
.subject-icon {
    display: grid;
    width: 3.2rem;
    height: 2.5rem;
    place-items: center;
    color: white;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 1rem;
    box-shadow: var(--shadow);
    font-size: 0.95rem;
}

.topbar nav {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--muted);
}

.pill,
.card-kicker {
    display: inline-flex;
    width: fit-content;
    padding: 0.25rem 0.65rem;
    color: var(--primary);
    background: rgba(108, 99, 255, 0.12);
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
}

.shell {
    width: min(1360px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 2rem 0 4rem;
}

.lms-layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 1.4rem;
    align-items: start;
}

.lms-sidebar {
    position: sticky;
    top: 5.5rem;
    display: grid;
    gap: 1rem;
}

.sidebar-card,
.sidebar-help,
.sidebar-menu {
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid var(--line);
    border-radius: 1.35rem;
    box-shadow: var(--shadow);
}

.sidebar-card,
.sidebar-help {
    display: grid;
    gap: 0.45rem;
    padding: 1rem;
}

.sidebar-card strong {
    font-size: 1.1rem;
}

.sidebar-card small,
.sidebar-help span {
    color: var(--muted);
    line-height: 1.35;
}

.sidebar-menu {
    display: grid;
    gap: 0.25rem;
    padding: 0.55rem;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.85rem 0.9rem;
    color: #334155;
    border-radius: 1rem;
    font-weight: 850;
}

.sidebar-menu a:hover {
    color: var(--primary);
    background: rgba(79, 70, 229, 0.1);
}

.lms-main {
    display: grid;
    gap: 1.25rem;
}

.student-layout .sidebar-menu a:hover {
    color: #ea580c;
    background: rgba(255, 138, 0, 0.1);
}

.login-hero,
.hero-panel {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 1.5rem;
    align-items: center;
    margin-bottom: 0;
    padding: clamp(1.5rem, 4vw, 3rem);
    color: white;
    background: linear-gradient(135deg, #6c63ff, #00d2ff);
    border-radius: 2rem;
    box-shadow: var(--shadow);
}

.hero-panel.student {
    background: linear-gradient(135deg, #ff8a00, #ff4ecd);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.25rem;
}

.hero-actions .button {
    color: var(--primary);
    background: white;
    box-shadow: 0 12px 22px rgba(25, 33, 62, 0.18);
}

.category-menu {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.category-item {
    display: grid;
    gap: 0.35rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(100, 116, 139, 0.14);
    border-radius: 1.25rem;
    box-shadow: var(--shadow);
    transition: transform 0.18s ease, border-color 0.18s ease;
}

.category-item:hover {
    transform: translateY(-2px);
    border-color: rgba(108, 99, 255, 0.35);
}

.category-item.nested {
    border-left: 0.45rem solid var(--primary);
}

.category-item strong {
    font-size: 1.05rem;
}

.category-item small {
    color: var(--muted);
    line-height: 1.35;
}

.eyebrow {
    margin: 0 0 0.5rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0.82;
}

.eyebrow.dark {
    color: var(--primary);
    opacity: 1;
}

h1,
h2,
h3,
h4 {
    margin-top: 0;
    line-height: 1.05;
}

h1 {
    max-width: 780px;
    margin-bottom: 0.8rem;
    font-size: clamp(2rem, 6vw, 4.4rem);
}

.panel,
.content-card,
.subject-card,
.quiz-card {
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid var(--line);
    border-radius: 1.5rem;
    box-shadow: var(--shadow);
}

.panel {
    padding: 1.4rem;
}

.panel-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.panel-heading h2,
.panel-heading p {
    margin-bottom: 0.25rem;
}

.login-card {
    color: var(--ink);
}

.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 80;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: rgba(15, 23, 42, 0.58);
    backdrop-filter: blur(8px);
}

.modal-overlay:target {
    display: flex;
}

.modal-card {
    position: relative;
    width: min(520px, 100%);
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
    padding: 1.4rem;
    color: var(--ink);
    background: white;
    border: 1px solid var(--line);
    border-radius: 1.5rem;
    box-shadow: 0 30px 70px rgba(15, 23, 42, 0.28);
}

.modal-card h2,
.modal-card p {
    margin-bottom: 0.6rem;
}

.modal-close {
    position: absolute;
    top: 0.8rem;
    right: 0.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    color: var(--muted);
    background: #f1f5f9;
    border-radius: 999px;
    font-size: 1.4rem;
    font-weight: 900;
}

.grid {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 0;
}

.grid.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

label {
    display: grid;
    gap: 0.4rem;
    margin-bottom: 0.9rem;
    color: var(--muted);
    font-weight: 750;
}

input,
select,
textarea {
    width: 100%;
    padding: 0.85rem 0.95rem;
    color: var(--ink);
    background: #f8fafc;
    border: 1px solid #dbe3ef;
    border-radius: 1rem;
    font: inherit;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(108, 99, 255, 0.12);
    outline: none;
}

.rich-editor {
    position: relative;
    overflow: visible;
    background: #f8fafc;
    border: 1px solid #dbe3ef;
    border-radius: 1rem;
}

.rich-toolbar {
    position: fixed;
    top: 5.2rem;
    left: 50%;
    z-index: 50;
    display: none;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.45rem;
    width: min(760px, calc(100vw - 2rem));
    padding: 0.55rem;
    background: white;
    border: 1px solid #dbe3ef;
    border-radius: 1rem;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.18);
    transform: translateX(-50%);
}

.rich-editor:focus-within .rich-toolbar {
    display: flex;
}

.rich-toolbar button,
.rich-toolbar select,
.rich-toolbar input[type="color"],
.toolbar-color {
    width: auto;
    min-height: 2.2rem;
    padding: 0.35rem 0.65rem;
    color: var(--ink);
    background: #f8fafc;
    border: 1px solid #dbe3ef;
    border-radius: 0.7rem;
    box-shadow: none;
    font-size: 0.9rem;
}

.rich-toolbar button:hover,
.rich-toolbar select:hover,
.toolbar-color:hover {
    border-color: rgba(108, 99, 255, 0.45);
    background: rgba(108, 99, 255, 0.08);
}

.rich-toolbar input[type="color"] {
    width: 2rem;
    min-height: 1.6rem;
    padding: 0.2rem;
}

.toolbar-color {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin: 0;
}

.toolbar-separator {
    width: 1px;
    height: 2rem;
    background: #dbe3ef;
}

.rich-editor-area {
    min-height: 170px;
    padding: 0.9rem 1rem;
    color: var(--ink);
    line-height: 1.55;
    outline: none;
}

.rich-editor-area:empty::before {
    color: #94a3b8;
    content: attr(data-placeholder);
}

.rich-content {
    line-height: 1.55;
}

.rich-editor-area h2,
.rich-content h2 {
    margin: 0.65rem 0 0.45rem;
    color: var(--ink);
    font-size: 1.6rem;
}

.rich-editor-area h3,
.rich-content h3 {
    margin: 0.6rem 0 0.4rem;
    color: var(--ink);
    font-size: 1.3rem;
}

.rich-editor-area h4,
.rich-content h4 {
    margin: 0.55rem 0 0.35rem;
    color: var(--ink);
    font-size: 1.08rem;
}

.rich-editor-area blockquote,
.rich-content blockquote {
    margin: 0.7rem 0;
    padding: 0.65rem 0.9rem;
    background: rgba(108, 99, 255, 0.08);
    border-left: 0.25rem solid var(--primary);
    border-radius: 0.75rem;
}

.rich-editor-area a,
.rich-content a {
    color: var(--primary);
    font-weight: 800;
}

.rich-editor-area table,
.rich-content table {
    width: 100%;
    margin: 0.8rem 0;
    border-collapse: collapse;
    overflow: hidden;
    border-radius: 0.8rem;
}

.rich-editor-area th,
.rich-editor-area td,
.rich-content th,
.rich-content td {
    padding: 0.65rem;
    border: 1px solid #dbe3ef;
    background: white;
}

.rich-editor-area th,
.rich-content th {
    background: rgba(108, 99, 255, 0.12);
}

.rich-content p,
.rich-content ul,
.rich-content ol {
    margin-top: 0.35rem;
    margin-bottom: 0.7rem;
}

.rich-editor-area ul,
.rich-editor-area ol,
.rich-content ul,
.rich-content ol {
    padding-left: 1.4rem;
}

button,
.button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.15rem;
    color: white;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: 0;
    border-radius: 1rem;
    box-shadow: 0 12px 22px rgba(108, 99, 255, 0.28);
    cursor: pointer;
    font: inherit;
    font-weight: 900;
}

.button.secondary {
    color: var(--primary);
    background: rgba(108, 99, 255, 0.12);
    box-shadow: none;
}

.button.danger {
    color: #991b1b;
    background: rgba(239, 71, 111, 0.14);
    box-shadow: none;
}

.stats,
.cards,
.quiz-grid,
.subject-grid {
    display: grid;
    gap: 1rem;
}

.stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stats span {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 1.2rem;
}

.stats strong {
    display: block;
    font-size: 2rem;
}

.cards {
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.cards.compact {
    margin-top: 1rem;
}

.content-list.vertical {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

.content-groups {
    display: grid;
    gap: 1rem;
}

.content-group {
    padding: 1rem;
    background: linear-gradient(180deg, #f8fafc, #ffffff);
    border: 1px solid #e2e8f0;
    border-left: 0.45rem solid var(--accent);
    border-radius: 1.25rem;
}

.content-group-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.content-group-heading > div {
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.content-group-heading h3 {
    margin: 0;
}

.content-card,
.resource-card,
.quiz-card,
.subject-card {
    padding: 1rem;
}

.card-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.6rem;
    margin-top: 1rem;
}

.card-actions form,
.action-row form {
    margin: 0;
}

.content-card img,
.content-card video,
.content-card iframe,
.resource-card img,
.resource-card video,
.resource-card iframe {
    width: 100%;
    max-height: 320px;
    border: 0;
    border-radius: 1rem;
    object-fit: cover;
}

.content-card iframe,
.resource-card iframe {
    aspect-ratio: 16 / 9;
}

.resource-list {
    display: grid;
    gap: 0.8rem;
    margin-top: 1.25rem;
}

.content-order-form {
    display: grid;
    gap: 0.8rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 1.25rem;
}

.order-list {
    display: grid;
    gap: 0.7rem;
}

.order-row {
    display: grid;
    grid-template-columns: auto 1fr 110px;
    align-items: center;
    gap: 0.8rem;
    margin: 0;
    padding: 0.8rem;
    color: var(--ink);
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
}

.order-position {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.2rem;
    height: 2.2rem;
    color: white;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 0.8rem;
    font-weight: 950;
}

.order-row strong,
.order-row small {
    display: block;
}

.order-row small {
    color: var(--muted);
}

.inline-edit-form {
    display: grid;
    gap: 0.6rem;
    margin-top: 0.9rem;
    padding: 0.8rem;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
}

.resource-list.compact {
    padding-top: 0.85rem;
    border-top: 1px solid #e2e8f0;
}

.resource-card {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
}

.resource-card h5 {
    margin: 0.35rem 0 0.7rem;
    font-size: 1rem;
}

.resource-card form {
    margin-top: 0.8rem;
}

.subject-grid {
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    margin-bottom: 1.5rem;
}

.subject-card {
    border-top: 0.45rem solid var(--accent);
}

.quiz-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.quiz-take-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.8rem;
}

.quiz-take-header h2,
.quiz-take-header p {
    margin-bottom: 0.25rem;
}

.quiz-help {
    padding: 0.85rem 1rem;
    color: #475569;
    background: rgba(6, 214, 160, 0.12);
    border: 1px solid rgba(6, 214, 160, 0.28);
    border-radius: 1rem;
    font-weight: 750;
}

.quiz-question {
    margin: 1rem 0;
    padding: 1rem;
    background: linear-gradient(180deg, #ffffff, #f8fafc);
    border: 1px solid #e2e8f0;
    border-radius: 1.25rem;
}

.quiz-question legend {
    display: grid;
    gap: 0.35rem;
    width: 100%;
    margin-bottom: 0.9rem;
    color: var(--ink);
    font-size: 1.05rem;
    font-weight: 900;
}

.quiz-question legend span {
    width: fit-content;
    padding: 0.25rem 0.55rem;
    color: var(--primary);
    background: rgba(108, 99, 255, 0.1);
    border-radius: 999px;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.quiz-options {
    display: grid;
    gap: 0.7rem;
}

.quiz-option {
    display: grid;
    grid-template-columns: auto auto 1fr;
    align-items: center;
    gap: 0.75rem;
    margin: 0;
    padding: 0.85rem;
    color: var(--ink);
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 1rem;
    cursor: pointer;
    transition: 0.18s ease;
}

.quiz-option:hover {
    border-color: rgba(108, 99, 255, 0.45);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
    transform: translateY(-1px);
}

.quiz-option input[type="radio"] {
    width: 1.25rem;
    height: 1.25rem;
    accent-color: var(--primary);
}

.quiz-option:has(input[type="radio"]:checked) {
    background: rgba(108, 99, 255, 0.1);
    border-color: var(--primary);
    box-shadow: 0 12px 24px rgba(108, 99, 255, 0.16);
}

.option-letter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.1rem;
    height: 2.1rem;
    color: white;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 0.8rem;
    font-weight: 950;
}

.option-text {
    color: #334155;
    font-weight: 850;
}

.quiz-submit {
    margin-top: 0.8rem;
    width: 100%;
}

.quiz-review {
    display: grid;
    gap: 1rem;
}

.review-list {
    display: grid;
    gap: 0.9rem;
}

.review-card {
    display: grid;
    gap: 0.75rem;
    padding: 1rem;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 1.25rem;
}

.review-card.correct {
    border-color: rgba(6, 214, 160, 0.45);
    background: rgba(6, 214, 160, 0.08);
}

.review-card.wrong {
    border-color: rgba(239, 71, 111, 0.45);
    background: rgba(239, 71, 111, 0.08);
}

.review-card-heading {
    display: grid;
    gap: 0.45rem;
}

.review-status {
    width: fit-content;
    padding: 0.25rem 0.6rem;
    color: white;
    background: var(--primary);
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 900;
    text-transform: uppercase;
}

.review-card.correct .review-status {
    background: #059669;
}

.review-card.wrong .review-status {
    background: #dc2626;
}

.review-answer {
    display: grid;
    gap: 0.2rem;
    padding: 0.75rem;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
}

.review-answer span {
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 850;
}

.selected-wrong {
    border-color: rgba(239, 71, 111, 0.45);
}

.selected-correct,
.correct-answer {
    border-color: rgba(6, 214, 160, 0.45);
}

.question-list {
    max-height: 260px;
    overflow: auto;
    padding: 0.7rem;
    background: #f8fafc;
    border-radius: 1rem;
}

.content-filter-list {
    display: grid;
    gap: 0.55rem;
    margin-bottom: 0.9rem;
    padding: 0.85rem;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
}

.content-filter-list p {
    margin: 0 0 0.35rem;
    color: var(--muted);
}

.content-filter-list label {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 0;
}

.content-filter-list input[type="checkbox"] {
    width: auto;
}

.question-list label {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.question-list input[type="checkbox"] {
    width: auto;
}

.select-all-questions {
    width: fit-content;
    padding: 0.65rem 0.8rem;
    color: var(--primary);
    background: rgba(108, 99, 255, 0.1);
    border-radius: 0.9rem;
}

.import-box {
    padding: 1rem;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
}

.import-box h3 {
    margin-bottom: 0.4rem;
}

.import-box p {
    color: var(--muted);
}

.inline {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.inline input {
    width: auto;
}

.results {
    display: grid;
    gap: 0.7rem;
}

.results > div {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.8rem 1rem;
    background: #f8fafc;
    border-radius: 1rem;
}

.results-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.results-header h2,
.results-header p {
    margin-bottom: 0.25rem;
}

.grade-badge {
    min-width: 150px;
    padding: 1rem;
    color: white;
    text-align: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 1.25rem;
    box-shadow: 0 16px 32px rgba(108, 99, 255, 0.24);
}

.grade-badge span,
.grade-badge strong {
    display: block;
}

.grade-badge strong {
    font-size: 2.1rem;
    line-height: 1;
}

.results-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.results-summary div {
    padding: 1rem;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
}

.results-summary strong {
    display: block;
    color: var(--primary);
    font-size: 1.8rem;
}

.results-summary span {
    color: var(--muted);
    font-weight: 750;
}

.progress-panel {
    margin-bottom: 1rem;
    padding: 1rem;
    background: linear-gradient(180deg, #ffffff, #f8fafc);
    border: 1px solid #e2e8f0;
    border-radius: 1.25rem;
}

.progress-panel h3 {
    margin-bottom: 0.8rem;
}

.progress-chart {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
    min-height: 220px;
    overflow-x: auto;
    padding: 0.5rem 0.2rem;
}

.progress-bar-item {
    display: grid;
    justify-items: center;
    gap: 0.35rem;
    min-width: 82px;
}

.progress-bar-track {
    display: flex;
    align-items: flex-end;
    width: 2.8rem;
    height: 140px;
    overflow: hidden;
    background: #e2e8f0;
    border-radius: 999px;
}

.progress-bar-track span {
    width: 100%;
    min-height: 4%;
    background: linear-gradient(180deg, var(--secondary), var(--primary));
    border-radius: 999px;
}

.progress-bar-item strong {
    color: var(--primary);
}

.progress-bar-item small {
    max-width: 90px;
    color: var(--muted);
    text-align: center;
}

.result-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem;
    background: white;
    border: 1px solid #e2e8f0;
    border-left: 0.4rem solid var(--primary);
    border-radius: 1rem;
}

.result-card span {
    display: block;
    color: var(--muted);
}

.result-score {
    text-align: right;
}

.result-score strong {
    color: var(--primary);
    font-size: 1.5rem;
}

.teacher-results-table {
    overflow-x: auto;
    border: 1px solid #e2e8f0;
    border-radius: 1.25rem;
}

.teacher-results-table table {
    width: 100%;
    min-width: 850px;
    border-collapse: collapse;
    background: white;
}

.teacher-results-table th,
.teacher-results-table td {
    padding: 0.85rem;
    border-bottom: 1px solid #e2e8f0;
    text-align: left;
    vertical-align: top;
}

.teacher-results-table th {
    color: var(--ink);
    background: #f8fafc;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.teacher-results-table td strong,
.teacher-results-table td small {
    display: block;
}

.teacher-results-table td small {
    color: var(--muted);
}

.score-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 4rem;
    padding: 0.35rem 0.55rem;
    color: white;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 999px;
    font-weight: 950;
}

.data-list {
    display: grid;
    gap: 0.8rem;
}

.data-list article {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
}

.data-list strong,
.data-list span {
    display: block;
}

.data-list .list-title {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.mini-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.1rem;
    padding: 0.2rem 0.45rem;
    color: var(--primary);
    background: rgba(108, 99, 255, 0.12);
    border-radius: 0.75rem;
    font-size: 0.9rem;
}

.data-list span {
    margin-top: 0.25rem;
    color: var(--muted);
}

.action-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.6rem;
}

.empty-state {
    padding: 1rem;
    color: var(--muted);
    background: white;
    border: 1px dashed #cbd5e1;
    border-radius: 1rem;
}

.empty-state a {
    color: var(--primary);
    font-weight: 900;
}

.alert {
    margin-bottom: 1rem;
    padding: 0.85rem 1rem;
    color: #065f46;
    background: rgba(6, 214, 160, 0.16);
    border: 1px solid rgba(6, 214, 160, 0.28);
    border-radius: 1rem;
    font-weight: 800;
}

.alert.danger {
    color: #991b1b;
    background: rgba(239, 71, 111, 0.14);
    border-color: rgba(239, 71, 111, 0.28);
}

.hint {
    color: var(--muted);
    font-size: 0.9rem;
}

fieldset {
    margin: 1rem 0;
    padding: 1rem;
    border: 1px solid #dbe3ef;
    border-radius: 1rem;
}

legend {
    padding: 0 0.4rem;
    font-weight: 900;
}

.edit-form {
    max-width: 840px;
    margin: 0 auto;
}

.edit-form h1 {
    color: var(--ink);
    font-size: clamp(1.8rem, 4vw, 3rem);
}

.section-divider {
    margin: 1.5rem 0;
    border: 0;
    border-top: 1px solid #e2e8f0;
}

@media (max-width: 820px) {
    .lms-layout {
        grid-template-columns: 1fr;
    }

    .lms-sidebar {
        position: static;
    }

    .login-hero,
    .hero-panel,
    .category-menu,
    .grid.two,
    .row {
        grid-template-columns: 1fr;
    }

    .panel-heading {
        flex-direction: column;
    }

    .results-header,
    .result-card {
        align-items: flex-start;
        flex-direction: column;
    }

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

    .order-row input {
        grid-column: 1 / -1;
    }

    .results-summary {
        grid-template-columns: 1fr;
    }

    .result-score {
        text-align: left;
    }

    .data-list article {
        align-items: flex-start;
        flex-direction: column;
    }

    .content-group-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .action-row {
        justify-content: flex-start;
    }

    .topbar,
    .topbar nav {
        align-items: flex-start;
        flex-direction: column;
    }

    .rich-toolbar {
        top: auto;
        bottom: 1rem;
        max-height: 42vh;
        overflow-y: auto;
    }
}