:root {
    --accent-yellow: #ffe934;
    --accent-orange: #ff9f1c;
    --accent-pink: #d23d97;
    --accent-indigo: #4f42c9;
    --primary-blue: #1f6fd1;
    --primary-blue-dark: #1746a2;
    --primary-blue-soft: #eaf4ff;
    --ink: #111827;
    --muted: #667085;
    --line: #e7edf5;
    --paper: #ffffff;
    --soft: #f8fbff;
}

body { background: #ffffff !important; }

[hidden] {
    display: none !important;
}

.manage-page { display: grid; gap: 2rem; }

.manage-hero {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(31, 111, 209, 0.12);
    border-radius: 20px;
    background:
        linear-gradient(125deg, rgba(232, 244, 255, 0.98), rgba(245, 250, 255, 0.96), rgba(226, 239, 255, 0.94)),
        linear-gradient(90deg, rgba(255, 233, 52, 0.16), rgba(210, 61, 151, 0.08), rgba(31, 111, 209, 0.18));
    box-shadow: 0 16px 48px rgba(31, 111, 209, 0.06);
    padding: clamp(1rem, 2.5vw, 1.35rem);
}

.manage-hero::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 5px;
    background: linear-gradient(90deg, var(--accent-yellow), var(--accent-orange), var(--accent-pink), var(--accent-indigo), var(--primary-blue));
}

.manage-hero span {
    display: inline-flex;
    border: 1px solid rgba(31, 111, 209, 0.14);
    border-radius: 999px;
    background: #ffffff;
    color: var(--primary-blue);
    font-size: 0.72rem;
    font-weight: 850;
    letter-spacing: 0.08em;
    padding: 0.28rem 0.6rem;
    text-transform: uppercase;
}

.manage-hero h1 {
    color: var(--primary-blue-dark);
    font-size: clamp(1.4rem, 2.5vw, 1.85rem);
    font-weight: 900;
    line-height: 1.15;
    margin-top: 0.65rem;
}

.manage-hero p {
    max-width: 760px;
    color: var(--muted);
    line-height: 1.65;
    margin-top: 0.5rem;
}

/* Legacy fallback buttons */
.manage-hero > a,
.manage-empty a,
.manage-form__actions button,
.manage-card__footer a,
.manage-table form button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    border-radius: 13px;
    background: var(--primary-blue);
    color: #ffffff;
    font-size: 0.88rem;
    font-weight: 850;
    min-height: 42px;
    padding: 0.65rem 0.95rem;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 180ms ease;
}

.manage-hero > a:hover,
.manage-empty a:hover,
.manage-form__actions button:hover,
.manage-card__footer a:hover,
.manage-table form button:hover {
    background: var(--primary-blue-dark);
}

/* Custom Button Utilities System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 12px;
    font-size: 0.88rem;
    font-weight: 800;
    min-height: 42px;
    padding: 0.65rem 1.1rem;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

.btn i {
    font-size: 0.92rem;
}

/* Button Variants */
.btn--primary {
    background: var(--primary-blue);
    color: #ffffff;
}

.btn--primary:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(31, 111, 209, 0.15);
}

.btn--gray {
    background: #64748b;
    color: #ffffff;
    border-color: #64748b;
}

.btn--gray:hover {
    background: #475569;
    border-color: #475569;
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(100, 116, 139, 0.2);
}

.btn--outline-blue {
    border-color: rgba(31, 111, 209, 0.35);
    background: #ffffff;
    color: var(--primary-blue);
}

.btn--outline-blue:hover {
    border-color: var(--primary-blue);
    background: var(--primary-blue-soft);
    transform: translateY(-1px);
}

.btn--outline-indigo {
    border-color: rgba(79, 66, 201, 0.28);
    background: #ffffff;
    color: var(--accent-indigo);
}

.btn--outline-indigo:hover {
    border-color: var(--accent-indigo);
    background: rgba(79, 66, 201, 0.06);
    transform: translateY(-1px);
}

.btn--outline-gray {
    border-color: var(--line);
    background: #ffffff;
    color: var(--muted);
}

.btn--outline-gray:hover {
    border-color: var(--muted);
    background: #f8fafc;
    color: var(--ink);
    transform: translateY(-1px);
}

.btn--outline-yellow {
    border-color: rgba(217, 119, 6, 0.3);
    background: #ffffff;
    color: #d97706;
}

.btn--outline-yellow:hover {
    border-color: #d97706;
    background: #fffbeb;
    transform: translateY(-1px);
}

.btn--outline-green {
    border-color: rgba(16, 185, 129, 0.35);
    background: #ffffff;
    color: #059669;
}

.btn--outline-green:hover {
    border-color: #059669;
    background: #ecfdf5;
    transform: translateY(-1px);
}

.btn--danger {
    background: #fef2f2;
    border-color: rgba(239, 68, 68, 0.25);
    color: #ef4444;
}

.btn--danger:hover {
    background: #ef4444;
    border-color: #ef4444;
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.15);
}

/* Button Sizes */
.btn--sm {
    min-height: 34px;
    padding: 0.42rem 0.8rem;
    font-size: 0.8rem;
    border-radius: 9px;
}

.btn--sm i {
    font-size: 0.8rem;
}

.btn--xs {
    min-height: 28px;
    padding: 0.25rem 0.6rem;
    font-size: 0.76rem;
    border-radius: 7px;
}

.btn--xs i {
    font-size: 0.72rem;
}

.manage-search,
.teacher-search {
    display: flex;
    gap: 0.75rem;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: #ffffff;
    box-shadow: 0 12px 34px rgba(31, 111, 209, 0.055);
    padding: 1rem;
}

.manage-search input,
.teacher-search input {
    flex: 1;
    border: 1px solid var(--line);
    border-radius: 14px;
    min-height: 46px;
    outline: none;
    padding: 0.75rem 0.9rem;
}

.manage-search button,
.manage-search a,
.teacher-search button,
.teacher-search a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    border-radius: 14px;
    font-weight: 850;
    min-height: 46px;
    padding: 0.75rem 1rem;
}

.manage-search button,
.teacher-search button {
    background: var(--primary-blue);
    color: #ffffff;
}

.manage-search a,
.teacher-search a {
    border: 1px solid rgba(31, 111, 209, 0.18);
    color: var(--primary-blue);
}

.manage-hero > a,
.manage-hero__actions { margin-top: 1.25rem; }

.manage-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.manage-grid,
.teacher-course-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
}

.manage-card,
.manage-form-card,
.manage-empty,
.manage-summary article,
.lesson-manage-card {
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--paper);
    box-shadow: 0 12px 34px rgba(31, 111, 209, 0.055);
}

.manage-card { overflow: hidden; }

.manage-card__accent {
    height: 6px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-indigo), var(--accent-pink), var(--accent-orange), var(--accent-yellow));
}

.manage-card__body { padding: 1.35rem; }

.manage-card__meta,
.manage-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.manage-card__meta span {
    border-radius: 999px;
    background: var(--primary-blue-soft);
    color: var(--primary-blue);
    font-size: 0.75rem;
    font-weight: 850;
    padding: 0.35rem 0.72rem;
}

.manage-card h2,
.manage-empty h2,
.lesson-manage-card h2 {
    color: var(--ink);
    font-size: 1.2rem;
    font-weight: 950;
    line-height: 1.35;
    margin-top: 1rem;
}

.manage-card p,
.manage-card small,
.manage-empty p,
.quiz-manage-item span {
    color: var(--muted);
}

.manage-card p {
    line-height: 1.65;
    margin-top: 0.75rem;
}

.manage-card__footer {
    border-top: 1px solid var(--line);
    margin-top: 1.2rem;
    padding-top: 1rem;
}

.manage-empty {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4.5rem 2rem;
    text-align: center;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: 0 12px 34px rgba(31, 111, 209, 0.04);
}

.manage-empty--small {
    display: block;
    padding: 1.25rem;
    text-align: left;
    background: transparent;
    border: none;
    box-shadow: none;
}

.manage-empty i {
    display: grid;
    place-items: center;
    width: 64px;
    height: 64px;
    border-radius: 20px;
    background: var(--primary-blue-soft);
    color: var(--primary-blue);
    font-size: 1.6rem;
    margin: 0 auto 1.25rem;
    box-shadow: 0 8px 20px rgba(31, 111, 209, 0.08);
}

.manage-empty h2 {
    font-size: 1.35rem !important;
    font-weight: 900 !important;
    color: var(--ink);
    margin: 0 0 0.5rem 0 !important;
}

.manage-empty p {
    font-size: 0.95rem;
    color: var(--muted);
    max-width: 440px;
    line-height: 1.65;
    margin: 0 auto 1.5rem auto !important;
}

.manage-empty a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 12px;
    font-size: 0.88rem;
    font-weight: 800;
    min-height: 42px;
    padding: 0.65rem 1.25rem;
    background: var(--primary-blue);
    color: #ffffff;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 180ms cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 12px rgba(31, 111, 209, 0.12);
}

.manage-empty a:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(31, 111, 209, 0.2);
}

.manage-pagination nav { box-shadow: none !important; }

.manage-form-card { padding: 1.35rem; }

.manage-form {
    display: grid;
    gap: 1rem;
}

.manage-form label {
    display: grid;
    gap: 0.45rem;
}

.manage-form label span {
    color: var(--ink);
    font-size: 0.88rem;
    font-weight: 850;
}

.manage-form input,
.manage-form textarea,
.manage-form select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #ffffff;
    color: var(--ink);
    min-height: 46px;
    outline: none;
    padding: 0.75rem 0.9rem;
}

.manage-form textarea { resize: vertical; }
.manage-form small { color: #dc2626; font-weight: 700; }
.manage-form em { color: var(--muted); font-size: 0.82rem; }

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

.quiz-type-card {
    display: grid !important;
    gap: 0.4rem;
    border: 1px solid var(--line);
    border-radius: 18px;
    cursor: pointer;
    padding: 1rem;
}

.quiz-type-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.quiz-type-card span {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--ink);
    font-size: 1rem !important;
    font-weight: 950 !important;
}

.quiz-type-card small {
    color: var(--muted);
}

.quiz-type-card:has(input:checked) {
    border-color: rgba(31, 111, 209, 0.35);
    background: var(--primary-blue-soft);
}

.quiz-fields {
    display: grid;
    gap: 1rem;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--soft);
    padding: 1rem;
}

.quiz-fields[hidden] {
    display: none;
}

.quiz-field-title {
    color: var(--primary-blue);
    font-size: 0.82rem;
    font-weight: 950;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.manage-form__actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

.manage-form__actions a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(31, 111, 209, 0.18);
    border-radius: 13px;
    color: var(--primary-blue);
    font-weight: 850;
    min-height: 42px;
    padding: 0.65rem 0.95rem;
}

.manage-hero:has(.manage-hero__summary) {
    display: grid;
    grid-template-columns: 1fr 180px;
    gap: 2rem;
    align-items: center;
}

.manage-hero__summary {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.45);
    border: 1px solid rgba(31, 111, 209, 0.06);
    border-radius: 16px;
    padding: 0.75rem 1rem;
}

.manage-hero__summary .summary-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 700;
}

.manage-hero__summary .summary-item i {
    color: var(--primary-blue);
    font-size: 0.95rem;
    width: 16px;
    text-align: center;
}

.manage-hero__summary .summary-item strong {
    color: var(--ink);
    font-weight: 950;
    margin-right: 0.35rem;
}

@media (max-width: 768px) {
    .manage-hero:has(.manage-hero__summary) {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}



.lesson-manage-list {
    display: grid;
    gap: 1.5rem;
}

.lesson-manage-card {
    padding: 1.5rem;
    background: #ffffff;
    box-shadow: 0 8px 30px rgba(31, 111, 209, 0.03);
    border-radius: 16px;
}

.lesson-manage-card__top {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 1rem;
    border-bottom: 1px dashed var(--line);
    padding-bottom: 1.25rem;
    margin-bottom: 1.25rem;
    width: 100%;
}

.lesson-manage-card__top span {
    color: var(--primary-blue);
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.lesson-manage-card h2 {
    margin-top: 0.25rem;
    font-size: 1.35rem;
    font-weight: 900;
}

.lesson-manage-actions {
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 0.6rem;
    width: 100% !important;
}

.quiz-manage-list {
    display: grid;
    gap: 0.75rem;
}

.quiz-manage-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border: 1px solid #f1f5f9;
    border-radius: 12px;
    background: #f8fafc;
    padding: 0.85rem 1.1rem;
    transition: all 180ms ease;
}

.quiz-manage-item:hover {
    border-color: rgba(31, 111, 209, 0.14);
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(31, 111, 209, 0.02);
}

.quiz-manage-item div {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.quiz-manage-item p {
    color: var(--ink);
    font-weight: 700;
    font-size: 0.95rem;
    margin: 0;
    flex: 1;
}

.quiz-type-badge {
    display: inline-flex;
    align-items: center;
    font-size: 0.72rem;
    font-weight: 850;
    letter-spacing: 0.03em;
    padding: 0.28rem 0.6rem;
    border-radius: 999px;
    background: var(--primary-blue-soft);
    color: var(--primary-blue);
    border: 1px solid rgba(31, 111, 209, 0.12);
}

.quiz-type-badge.essay {
    text-transform: uppercase;
    background: rgba(255, 159, 28, 0.12);
    color: #c96200;
    border-color: rgba(255, 159, 28, 0.15);
}

.manage-modal {
    position: fixed;
    z-index: 60;
    inset: 0;
    display: grid;
    place-items: center;
    background: rgba(15, 23, 42, 0.42);
    padding: 1rem;
}

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

.manage-modal__panel {
    width: min(640px, 100%);
    max-height: min(78vh, 720px);
    overflow: auto;
    border-radius: 22px;
    background: #ffffff;
    box-shadow: 0 26px 80px rgba(15, 23, 42, 0.24);
}

.manage-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border-bottom: 1px solid var(--line);
    padding: 1.2rem 1.35rem;
}

.manage-modal__header h2 {
    color: var(--ink);
    font-size: 1.2rem;
    font-weight: 950;
}

.manage-modal__header button {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 999px;
    background: var(--primary-blue-soft);
    color: var(--primary-blue);
    font-size: 1.4rem;
}

.manage-table {
    display: grid;
    gap: 0.65rem;
    padding: 1.25rem;
}

.manage-table div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 0.9rem 1rem;
}

.manage-table strong {
    color: var(--ink);
    font-weight: 900;
}

.manage-table span,
.manage-table p {
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 750;
}

.manage-table form {
    margin-left: auto;
}

.manage-table--inline {
    padding: 1rem 0 0;
}

.manage-results {
    display: grid;
    gap: 1rem;
    padding: 1.25rem;
}

.manage-result-card {
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #ffffff;
    overflow: hidden;
}

.manage-result-card header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border-bottom: 1px solid var(--line);
    background: var(--soft);
    padding: 1rem;
}

.manage-result-card strong,
.manage-answer-list h3 {
    color: var(--ink);
    font-weight: 950;
}

.manage-result-card span,
.manage-answer-list p {
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 750;
}

.manage-answer-list {
    display: grid;
    gap: 0.85rem;
    padding: 1rem;
}

.manage-answer-list section {
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 1rem;
}

.manage-answer-list a {
    display: inline-flex;
    color: var(--primary-blue);
    font-weight: 850;
    margin-right: 0.75rem;
}

.manage-grade-form {
    display: grid;
    grid-template-columns: 110px minmax(0, 1fr) auto;
    gap: 0.75rem;
    align-items: end;
    margin-top: 0.85rem;
}

.manage-grade-form label {
    display: grid;
    gap: 0.35rem;
}

.manage-grade-form span {
    color: var(--ink);
    font-size: 0.82rem;
    font-weight: 850;
}

.manage-grade-form input,
.manage-grade-form textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 12px;
    min-height: 42px;
    padding: 0.6rem 0.75rem;
}

.manage-grade-form button {
    border-radius: 12px;
    background: var(--primary-blue);
    color: #ffffff;
    font-weight: 850;
    min-height: 42px;
    padding: 0.6rem 0.9rem;
}

@media (max-width: 1024px) {
    .manage-grid,
    .teacher-course-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .manage-hero {
        border-radius: 22px;
        padding: 1.4rem;
    }

    .manage-grid,
    .teacher-course-grid,
    .manage-summary,
    .quiz-type-grid {
        grid-template-columns: 1fr;
    }

    .manage-form__actions,
    .manage-search,
    .teacher-search,
    .lesson-manage-card__top,
    .quiz-manage-item,
    .quiz-manage-item div,
    .manage-table div,
    .manage-result-card header,
    .manage-grade-form {
        align-items: stretch;
        flex-direction: column;
    }

    .manage-grade-form {
        display: flex;
    }

    .manage-search button,
    .manage-search a,
    .teacher-search button,
    .teacher-search a {
        width: 100%;
    }
}

.lesson-manage-card__desc {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: #475569;
    line-height: 1.6;
}

.lesson-manage-card__desc ol {
    list-style-type: decimal !important;
    padding-left: 1.5rem !important;
    margin-top: 0.5rem !important;
    margin-bottom: 0.5rem !important;
}

.lesson-manage-card__desc ul {
    list-style-type: disc !important;
    padding-left: 1.5rem !important;
    margin-top: 0.5rem !important;
    margin-bottom: 0.5rem !important;
}

.lesson-quiz-accordion {
    margin-top: 1rem;
    border-top: 1px dashed var(--line);
    padding-top: 0.75rem;
}

.lesson-quiz-accordion summary {
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 0.88rem;
    font-weight: 850;
    color: var(--muted);
    padding: 0.5rem 0;
    user-select: none;
    outline: none;
    transition: color 180ms ease;
}

.lesson-quiz-accordion summary::-webkit-details-marker {
    display: none;
}

.lesson-quiz-accordion summary:hover {
    color: var(--primary-blue);
}

.lesson-quiz-accordion summary span i {
    margin-right: 0.45rem;
    color: var(--primary-blue);
}

.lesson-quiz-accordion summary .accordion-icon {
    font-size: 0.85rem;
    color: var(--muted);
    transition: transform 220ms ease;
}

.lesson-quiz-accordion[open] summary .accordion-icon {
    transform: rotate(180deg);
}

.lesson-quiz-accordion .quiz-manage-list {
    margin-top: 0.75rem;
}

/* ── Modern Custom Table for modals ── */
.manage-modal__panel--lg {
    width: min(1200px, 94vw) !important;
    max-height: min(88vh, 850px) !important;
}

.manage-modal__panel--xl {
    width: min(1280px, 95vw) !important;
    max-height: min(90vh, 880px) !important;
}


.manage-table-wrapper {
    overflow-x: auto;
    padding: 1.25rem;
}

.manage-table-custom {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.manage-table-custom th,
.manage-table-custom td {
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--line);
    font-size: 0.9rem;
}

.manage-table-custom th {
    background: #f8fafc;
    color: var(--ink);
    font-weight: 850;
    text-transform: uppercase;
    font-size: 0.76rem;
    letter-spacing: 0.05em;
}

.manage-table-custom tr:last-child td {
    border-bottom: 0;
}

.student-info-cell {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.student-info-cell strong {
    color: var(--ink);
    font-weight: 900;
}

.student-info-cell small {
    color: var(--muted);
    font-weight: 750;
}

/* ── Status pills ── */
.status-pill {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 0.25rem 0.65rem;
}

.status-pill--success {
    background: #dcfce7;
    color: #15803d;
    border: 1px solid #bbf7d0;
}

.status-pill--warning {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

.status-pill--danger {
    background: #fee2e2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

/* ── Score text styling ── */
.score-accent {
    color: var(--primary-blue);
    font-weight: 900;
}

.score-placeholder {
    color: var(--muted);
    font-weight: 700;
    font-size: 0.85rem;
}

.table-empty-cell {
    color: var(--muted);
    text-align: center;
    padding: 2rem !important;
}

.manage-table-custom th.sortable {
    cursor: pointer;
    user-select: none;
    transition: background 150ms ease, color 150ms ease;
}

.manage-table-custom th.sortable:hover {
    background: #f1f5f9;
    color: var(--primary-blue);
}

.manage-table-custom th.sortable .sort-icon {
    color: var(--primary-blue);
}

/* ── Attractive Modal Header ── */
.manage-modal__panel .manage-modal__header {
    background: linear-gradient(135deg, #f8fafc 0%, #edf2f7 100%);
    border-bottom: 2px solid var(--line);
    padding: 1.4rem 1.6rem;
    position: relative;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
}

.manage-modal__panel .manage-modal__header h2 {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--primary-blue-dark);
    font-size: 1.3rem;
    font-weight: 950;
}

.manage-modal__panel .manage-modal__header h2 i {
    color: var(--primary-blue);
    font-size: 1.4rem;
}

.manage-modal__panel .manage-modal__header button[data-modal-close] {
    transition: transform 180ms ease, background 180ms ease;
    font-weight: bold;
}

.manage-modal__panel .manage-modal__header button[data-modal-close]:hover {
    transform: rotate(90deg);
    background: #e2e8f0;
    color: #e53e3e;
}

/* ── Modal Controls Bar ── */
.modal-controls-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.5rem 0.5rem;
    background: #ffffff;
}

.modal-controls-left .lesson-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.72rem;
    font-weight: 850;
    color: var(--muted);
    background: var(--soft);
    border: 1px solid var(--line);
    padding: 0.3rem 0.6rem;
    border-radius: 8px;
}

.modal-controls-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-left: auto;
}

/* ── Download Dropdown ── */
.download-dropdown {
    position: relative;
    display: inline-block;
}

.download-dropdown .dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    top: 105%;
    background-color: #ffffff;
    min-width: 160px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    border: 1px solid var(--line);
    border-radius: 12px;
    z-index: 100;
    padding: 0.4rem 0;
    overflow: hidden;
    animation: slideDown 150ms ease-out;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

.download-dropdown .dropdown-menu.show {
    display: block;
}

.download-dropdown .dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.65rem 1rem;
    color: var(--ink);
    font-size: 0.85rem;
    font-weight: 800;
    text-decoration: none;
    transition: background-color 150ms ease;
    cursor: pointer;
}

.download-dropdown .dropdown-item:hover {
    background-color: var(--soft);
    color: var(--primary-blue);
}

.download-dropdown .dropdown-item i.text-emerald-600 {
    color: #10b981;
}

.download-dropdown .dropdown-item i.text-red-600 {
    color: #ef4444;
}

/* ── Comprehensive Responsive Media Queries ── */
@media (max-width: 1024px) {
    .manage-hero:has(.manage-hero__summary) {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    
    .manage-modal__panel--lg {
        width: 95vw !important;
        max-width: 95vw !important;
    }

    .modal-controls-bar {
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    .manage-page {
        gap: 1.25rem;
    }

    .manage-hero {
        padding: 1.25rem;
        border-radius: 18px;
    }

    .manage-hero h1 {
        font-size: 1.4rem;
    }

    .manage-hero__actions {
        display: grid !important;
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 0.5rem;
        width: 100%;
    }

    .manage-hero__actions .btn {
        width: 100%;
        justify-content: center;
        font-size: 0.82rem;
        padding: 0.55rem 0.85rem;
    }

    .lesson-manage-card {
        padding: 1.15rem;
    }

    .lesson-manage-card h2 {
        font-size: 1.15rem;
    }

    .lesson-manage-actions {
        display: grid !important;
        grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
        width: 100% !important;
        gap: 0.45rem;
    }

    .lesson-manage-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .modal-controls-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
        padding: 1rem;
    }

    .modal-controls-left,
    .modal-controls-right {
        width: 100%;
        justify-content: space-between;
    }

    .modal-controls-left select {
        width: 100% !important;
        min-width: 0 !important;
    }

    .manage-modal__panel {
        width: 96vw;
        max-height: 90vh;
        border-radius: 16px;
    }

    .manage-modal__header {
        padding: 1rem 1.15rem;
    }

    .manage-modal__header h2 {
        font-size: 1.05rem;
    }
}

@media (max-width: 480px) {
    .manage-hero__actions {
        grid-template-columns: 1fr;
    }

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