:root {
    --primary: #0B1F66;
    --secondary: #081547;
    --pink: #FF2D8D;
    --pink-dark: #d4206e;
    --pink-glow: rgba(255,45,141,0.22);
    --pink-soft: rgba(255,45,141,0.1);
    --bg: #f0f3fc;
    --bg-card: #ffffff;
    --text-primary: #0B1F66;
    --text-secondary: #5a6a99;
    --text-light: #a0aec8;
    --border: rgba(11,31,102,0.1);
    --border-pink: rgba(255,45,141,0.18);
    --shadow-sm: 0 2px 12px rgba(8,21,71,0.07);
    --shadow-md: 0 8px 32px rgba(8,21,71,0.13);
    --shadow-lg: 0 20px 60px rgba(8,21,71,0.2);
    --radius: 18px;
    --radius-sm: 10px;
    --sidebar-w: 265px;
    --header-h: 68px;
    --ease: 0.28s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ══ SCROLLBAR ══ */
::-webkit-scrollbar {
    width: 5px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(11,31,102,0.15);
    border-radius: 4px;
}

/* ══ HEADER ══ */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    height: var(--header-h);
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 28px 0 0;
    box-shadow: 0 2px 24px rgba(8,21,71,0.07);
}

.header-logo {
    width: var(--sidebar-w);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    border-right: 1px solid var(--border);
    height: 100%;
    flex-shrink: 0;
}

    .header-logo img {
        height: 44px;
        width: auto;
        object-fit: contain;
    }

.header-center {
    flex: 1;
    display: flex;
    align-items: center;
    padding: 0 28px;
    gap: 16px;
}

.page-title {
    font-family: 'Sora', sans-serif;
    font-size: 15px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.2px;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
}

    .page-title .tag {
        font-size: 10px;
        font-weight: 700;
        background: var(--pink);
        color: white;
        padding: 3px 9px;
        border-radius: 50px;
        letter-spacing: 0.4px;
        font-family: 'Sora', sans-serif;
    }

.search-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg);
    border: 1.5px solid var(--border);
    border-radius: 50px;
    padding: 9px 18px;
    max-width: 380px;
    width: 100%;
    transition: var(--ease);
}

    .search-bar:focus-within {
        border-color: var(--pink);
        box-shadow: 0 0 0 4px var(--pink-glow);
        background: white;
    }

    .search-bar svg {
        color: var(--text-light);
        flex-shrink: 0;
    }

    .search-bar input {
        border: none;
        background: transparent;
        font-family: 'DM Sans', sans-serif;
        font-size: 13.5px;
        color: var(--text-primary);
        outline: none;
        width: 100%;
    }

        .search-bar input::placeholder {
            color: var(--text-light);
        }

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.icon-btn {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    border: 1.5px solid var(--border);
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--ease);
    color: var(--text-secondary);
    position: relative;
}

    .icon-btn:hover {
        background: var(--bg);
        border-color: var(--pink);
        color: var(--pink);
    }

.notif-dot {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 7px;
    height: 7px;
    background: var(--pink);
    border-radius: 50%;
    border: 2px solid white;
}

.avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--pink));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Sora', sans-serif;
    font-weight: 700;
    font-size: 13px;
    color: white;
    cursor: pointer;
    box-shadow: 0 2px 10px var(--pink-glow);
    border: 2px solid white;
}

/* ══ SIDEBAR TOGGLE ══ */
.sidebar-toggle {
    display: none;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: 1.5px solid var(--border);
    background: white;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--primary);
    margin-right: 8px;
}

/* ══ SIDEBAR ══ */
.sidebar {
    position: fixed;
    left: 0;
    top: var(--header-h);
    width: var(--sidebar-w);
    height: calc(100vh - var(--header-h));
    background: var(--secondary);
    overflow-y: auto;
    overflow-x: hidden;
    padding: 18px 10px 24px;
    z-index: 150;
    transition: var(--ease);
    border-right: 1px solid rgba(255,255,255,0.05);
}

    .sidebar::-webkit-scrollbar {
        width: 3px;
    }

    .sidebar::-webkit-scrollbar-thumb {
        background: rgba(255,255,255,0.08);
        border-radius: 3px;
    }

.sidebar-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.8px;
    color: rgba(255,255,255,0.28);
    padding: 4px 12px 10px;
    margin-top: 4px;
}

.sem-item {
    margin-bottom: 1px;
}

.sem-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--ease);
    color: rgba(255,255,255,0.58);
    font-size: 13px;
    font-weight: 500;
    position: relative;
    user-select: none;
}

    .sem-header:hover {
        background: rgba(255,255,255,0.06);
        color: rgba(255,255,255,0.9);
    }

    .sem-header.active {
        background: rgba(255,45,141,0.16);
        color: white;
    }

        .sem-header.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 20%;
            bottom: 20%;
            width: 3px;
            background: var(--pink);
            border-radius: 0 3px 3px 0;
        }

.sem-icon {
    width: 26px;
    height: 26px;
    background: rgba(255,255,255,0.07);
    border-radius: 7px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
    transition: var(--ease);
}

.sem-header.active .sem-icon {
    background: rgba(255,45,141,0.28);
}

.sem-label {
    flex: 1;
}

.sem-chevron {
    transition: var(--ease);
    opacity: 0.45;
    flex-shrink: 0;
}

.sem-item.open .sem-chevron {
    transform: rotate(180deg);
    opacity: 1;
    color: var(--pink);
}

.sem-subjects {
    display: none;
    padding: 3px 0 3px 16px;
}

.sem-item.open .sem-subjects {
    display: block;
}

.subject-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    border-radius: 8px;
    font-size: 12.5px;
    color: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: var(--ease);
}

    .subject-link:hover {
        color: rgba(255,255,255,0.75);
        background: rgba(255,255,255,0.04);
    }

    .subject-link.active {
        color: var(--pink);
        background: rgba(255,45,141,0.08);
        font-weight: 500;
    }

.subject-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
}

/* ══ MAIN ══ */
.main {
    margin-left: var(--sidebar-w);
    padding-top: var(--header-h);
    min-height: 100vh;
    width: calc(100% - var(--sidebar-w));
}

.main-inner {
    padding: 30px 36px;
    width: 100%;
}

/* breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 12.5px;
    color: var(--text-light);
    margin-bottom: 22px;
}

    .breadcrumb a {
        color: var(--pink);
        text-decoration: none;
        font-weight: 500;
    }

        .breadcrumb a:hover {
            text-decoration: underline;
        }

/* ══ HERO CARD ══ */
.hero-card {
    background: linear-gradient(135deg, #0B1F66 0%, #081547 100%);
    border-radius: 22px;
    padding: 44px 44px 40px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-bottom: 28px;
    width: 100%;
}

    .hero-card::before {
        content: '';
        position: absolute;
        top: -80px;
        right: -60px;
        width: 380px;
        height: 380px;
        background: radial-gradient(circle, rgba(245,197,66,0.10) 0%, transparent 65%);
        pointer-events: none;
    }

    .hero-card::after {
        content: '';
        position: absolute;
        bottom: -100px;
        left: 35%;
        width: 320px;
        height: 320px;
        background: radial-gradient(circle, rgba(245,197,66,0.05) 0%, transparent 65%);
        pointer-events: none;
    }

/* decorative circles */
.hero-deco {
    position: absolute;
    right: 48px;
    top: 50%;
    transform: translateY(-50%);
    width: 200px;
    height: 200px;
    pointer-events: none;
}

.hero-deco-ring {
    position: absolute;
    border-radius: 50%;
    border: 1.5px solid rgba(255,255,255,0.07);
}

    .hero-deco-ring:nth-child(1) {
        inset: 0;
    }

    .hero-deco-ring:nth-child(2) {
        inset: 24px;
        border-color: rgba(245,197,66,0.14);
    }

    .hero-deco-ring:nth-child(3) {
        inset: 48px;
        border-color: rgba(255,255,255,0.05);
    }

.hero-deco-dot {
    position: absolute;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 64px;
    height: 64px;
    background: rgba(245,197,66,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    border: 1px solid rgba(245,197,66,0.22);
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    color: rgba(255,255,255,0.75);
    font-size: 11px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 50px;
    font-family: 'Sora', sans-serif;
    letter-spacing: 0.4px;
    margin-bottom: 18px;
}

    .hero-tag svg {
        color: #F5C542;
    }

.hero-title {
    font-family: 'Sora', sans-serif;
    font-size: 30px;
    font-weight: 800;
    color: white;
    line-height: 1.18;
    letter-spacing: -0.6px;
    margin-bottom: 14px;
    max-width: 580px;
}

    .hero-title span {
        color: #F5C542;
    }

.hero-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.55);
    line-height: 1.65;
    max-width: 560px;
    margin-bottom: 32px;
}

/* stats */
.hero-stats {
    display: flex;
    gap: 0;
    margin-bottom: 30px;
    max-width: 540px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 3px;
    flex: 1;
    padding-right: 20px;
}

    .stat-item + .stat-item {
        padding-left: 20px;
        border-left: 1px solid rgba(255,255,255,0.1);
        padding-right: 20px;
    }

    .stat-item:last-child {
        padding-right: 0;
    }

.stat-val {
    font-family: 'Sora', sans-serif;
    font-size: 26px;
    font-weight: 800;
    color: white;
}

.stat-lbl {
    font-size: 10px;
    font-weight: 600;
    color: rgba(255,255,255,0.4);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

/* progress */
.progress-wrap {
    margin-bottom: 28px;
    max-width: 560px;
}

.progress-meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    margin-bottom: 10px;
}

    .progress-meta strong {
        color: white;
        font-weight: 600;
    }

.progress-track {
    height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
    position: relative;
}

.progress-fill {
    height: 100%;
    width: 35%;
    background: linear-gradient(90deg, var(--pink), #ff6bb0);
    border-radius: 3px;
}

.progress-thumb {
    position: absolute;
    right: calc(65% - 7px);
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(255,45,141,0.4);
}

/* buttons */
.hero-btns {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    background: var(--pink);
    color: white;
    font-family: 'Sora', sans-serif;
    font-weight: 700;
    font-size: 13.5px;
    padding: 12px 24px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: var(--ease);
    box-shadow: 0 4px 18px rgba(255,45,141,0.45);
    letter-spacing: 0.2px;
}

    .btn-primary:hover {
        background: var(--pink-dark);
        transform: translateY(-2px);
        box-shadow: 0 8px 26px rgba(255,45,141,0.55);
    }

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    background: rgba(255,255,255,0.08);
    border: 1.5px solid rgba(255,255,255,0.18);
    color: rgba(255,255,255,0.8);
    font-family: 'Sora', sans-serif;
    font-weight: 500;
    font-size: 13.5px;
    padding: 12px 24px;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--ease);
}

    .btn-outline:hover {
        background: rgba(255,255,255,0.14);
        border-color: rgba(255,255,255,0.3);
        color: white;
    }

/* ══ QUICK STATS ROW ══ */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 28px;
    width: 100%;
}

.stat-card {
    background: white;
    border-radius: 16px;
    border: 1.5px solid var(--border);
    padding: 20px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: var(--shadow-sm);
    transition: var(--ease);
    cursor: default;
}

    .stat-card:hover {
        border-color: var(--pink);
        box-shadow: 0 6px 24px var(--pink-glow);
        transform: translateY(-2px);
    }

.sc-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
    flex-shrink: 0;
}

    .sc-icon.blue {
        background: rgba(11,31,102,0.08);
    }

    .sc-icon.green {
        background: rgba(16,185,129,0.1);
    }

    .sc-icon.pink {
        background: rgba(255,45,141,0.1);
    }

    .sc-icon.orange {
        background: rgba(251,146,60,0.1);
    }

.sc-val {
    font-family: 'Sora', sans-serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
}

.sc-lbl {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ══ LEARN SECTION ══ */
.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
}

.section-title {
    font-family: 'Sora', sans-serif;
    font-size: 17px;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-icon {
    width: 32px;
    height: 32px;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--primary), var(--pink));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
}

.learn-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 28px;
}

.learn-card {
    background: white;
    border: 1.5px solid var(--border);
    border-radius: 14px;
    padding: 20px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    transition: var(--ease);
    cursor: default;
}

    .learn-card:hover {
        border-color: var(--pink);
        box-shadow: 0 4px 20px var(--pink-glow);
        transform: translateY(-2px);
    }

    .learn-card.full {
        grid-column: 1 / -1;
    }

.lc-icon {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(11,31,102,0.07), rgba(255,45,141,0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.lc-text h4 {
    font-family: 'Sora', sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

.lc-text p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.55;
}

/* ══ FILES TABLE ══ */
.files-card {
    background: white;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin-bottom: 32px;
    width: 100%;
}

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

    .files-table thead {
        background: var(--bg);
    }

    .files-table th {
        padding: 13px 20px;
        font-family: 'Sora', sans-serif;
        font-size: 10.5px;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 1.2px;
        color: var(--text-secondary);
        text-align: left;
    }

    .files-table td {
        padding: 15px 20px;
        font-size: 13.5px;
        color: var(--text-primary);
        border-top: 1px solid var(--border);
    }

    .files-table tbody tr {
        transition: var(--ease);
    }

        .files-table tbody tr:hover {
            background: rgba(255,45,141,0.025);
        }

.file-cell {
    display: flex;
    align-items: center;
    gap: 12px;
}

.file-badge {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: rgba(255,45,141,0.08);
    color: var(--pink);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 800;
    font-family: 'Sora', sans-serif;
    border: 1px solid rgba(255,45,141,0.15);
}

.topic-pill {
    display: inline-block;
    background: rgba(11,31,102,0.07);
    color: var(--primary);
    font-size: 12px;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 50px;
}

.btn-dl {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--pink);
    color: white;
    font-family: 'Sora', sans-serif;
    font-size: 12.5px;
    font-weight: 700;
    padding: 8px 18px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: var(--ease);
    box-shadow: 0 3px 12px rgba(255,45,141,0.35);
    letter-spacing: 0.2px;
}

    .btn-dl:hover {
        background: var(--pink-dark);
        transform: translateY(-1px);
        box-shadow: 0 6px 18px rgba(255,45,141,0.48);
    }

/* ══ OVERLAY + MOBILE ══ */
.overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(8,21,71,0.45);
    z-index: 140;
    backdrop-filter: blur(3px);
}

    .overlay.show {
        display: block;
    }

@media (max-width: 900px) {
    .sidebar {
        transform: translateX(-100%);
    }

        .sidebar.open {
            transform: translateX(0);
        }

    .main {
        margin-left: 0;
    }

    .main-inner {
        padding: 20px;
    }

    .header-logo {
        width: auto;
        border-right: none;
        padding: 0 14px;
    }

    .sidebar-toggle {
        display: flex;
    }

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

    .learn-grid {
        grid-template-columns: 1fr 1fr;
    }

    .hero-card {
        padding: 28px;
    }

    .hero-title {
        font-size: 24px;
    }

    .hero-deco {
        display: none;
    }

    .page-title {
        display: none;
    }
}

@media (max-width: 560px) {
    .stats-row {
        grid-template-columns: 1fr 1fr;
    }

    .learn-grid {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 14px;
    }

    .search-bar {
        max-width: 180px;
    }
}

/* ══ ANIMATIONS ══ */
.fade-up {
    opacity: 0;
    transform: translateY(18px);
    animation: fadeUp 0.5s ease forwards;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.d1 {
    animation-delay: 0.06s;
}

.d2 {
    animation-delay: 0.13s;
}

.d3 {
    animation-delay: 0.20s;
}

.d4 {
    animation-delay: 0.27s;
}

.d5 {
    animation-delay: 0.34s;
}

/* ── Master Page overrides ── */
header {
    display: none !important;
}

.sidebar {
    display: none !important;
}

.overlay {
    display: none !important;
}

body {
    padding-top: 0 !important;
    background: var(--bg) !important;
}

.main {
    margin-left: 0 !important;
    padding-top: 0 !important;
    width: 100% !important;
}

.main-inner {
    padding: 16px 28px 40px !important;
}

/* ── Syllabus section ── */


/* Syllabus modal overlay */


.syl-modal-bg {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(8,21,71,0.65);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

    .syl-modal-bg.open {
        display: flex;
    }

.syl-modal {
    background: #fff;
    border-radius: 16px;
    width: 100%;
    max-width: 820px;
    max-height: 88vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(8,21,71,0.25);
}

.syl-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background-color: var(--primary);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    box-shadow: var(--shadow-sm);
}

.syl-modal-title {
    font-weight: 600;
    font-size: 14px;
    color: #fff;
    letter-spacing: 0.2px;
}

.syl-modal-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    opacity: 0.85;
    transition: opacity var(--ease);
}

    .syl-modal-close:hover {
        opacity: 1;
    }


.syl-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 0;
}
/* The syllabus content rendered inside modal */
.syl-preview {
    padding: 24px 28px;
    font-size: 13.5px;
    line-height: 1.7;
    color: var(--text-primary);
}

    .syl-preview h3 {
        font-family: 'Sora', sans-serif;
        font-size: 13px;
        font-weight: 700;
        color: var(--text-secondary);
        text-transform: uppercase;
        letter-spacing: 0.8px;
        margin: 20px 0 6px;
    }

    .syl-preview p {
        margin: 0 0 8px;
    }

    .syl-preview .syl-row {
        display: flex;
        gap: 8px;
        padding: 8px 0;
        border-bottom: 1px solid var(--border);
    }

        .syl-preview .syl-row:last-child {
            border-bottom: none;
        }

    .syl-preview .syl-row-label {
        font-weight: 600;
        min-width: 120px;
        color: var(--text-secondary);
        font-size: 12.5px;
    }

.syl-modal-footer {
    padding: 12px 22px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    flex-shrink: 0;
}

/* View Syllabus button */
.btn-view-syl {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--pink) !important;
    color: #fff;
    font-family: 'Sora', sans-serif;
    font-size: 13px;
    font-weight: 600;
    padding: 9px 20px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 18px var(--pink-glow);
}

    .btn-view-syl:hover {
        background: var(--pink-dark) !important;
        box-shadow: 0 6px 24px var(--pink-glow) !important;
    }

.btn-outline-syl {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: transparent;
    color: var(--text-secondary);
    font-family: 'Sora', sans-serif;
    font-size: 13px;
    font-weight: 600;
    padding: 9px 20px;
    border-radius: 10px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.2s;
}

    .btn-outline-syl:hover {
        background: var(--bg);
    }

/* GridView / files table */
.table-bordered {
    width: 100%;
    border-collapse: collapse;
}

    .table-bordered th {
        background: var(--bg);
        color: var(--text-secondary);
        font-family: 'Sora', sans-serif;
        font-size: 11px;
        font-weight: 700;
        letter-spacing: 0.8px;
        text-transform: uppercase;
        padding: 12px 16px;
        border-bottom: 1px solid var(--border);
        text-align: left;
    }

    .table-bordered td {
        padding: 14px 16px;
        border-bottom: 1px solid var(--border);
        font-size: 13.5px;
        color: var(--text-primary);
        vertical-align: middle;
    }

    .table-bordered tr:last-child td {
        border-bottom: none;
    }

    .table-bordered tr:hover td {
        background: rgba(11,31,102,0.02);
    }

    .table-bordered .btn-success {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: var(--primary);
        color: #fff;
        font-family: 'Sora', sans-serif;
        font-size: 12px;
        font-weight: 600;
        padding: 7px 16px;
        border-radius: 8px;
        border: none;
        cursor: pointer;
        text-decoration: none;
        transition: background 0.2s, box-shadow 0.2s;
    }

        .table-bordered .btn-success:hover {
            background: var(--secondary);
            box-shadow: 0 4px 14px rgba(11,31,102,0.18);
            color: #fff;
        }

.btn-primary {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 8px 20px;
    font-family: 'Sora', sans-serif;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

    .btn-primary:hover {
        background: var(--secondary);
        color: #fff;
    }

@media (max-width: 600px) {
    .syllabus-info-grid {
        grid-template-columns: 1fr 1fr;
    }

    .syllabus-info-item {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .syl-modal {
        max-height: 95vh;
        border-radius: 12px;
    }

    .syl-preview {
        padding: 16px;
    }
}

/* ── Hero compact layout ── */
.hero-card-compact {
    padding: 28px 36px 28px !important;
}

.hero-deco {
    display: none !important;
}

.hero-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    margin: 12px 0 20px;
    flex-wrap: wrap;
}

.hero-title-inline {
    font-size: 32px !important;
    white-space: nowrap;
    margin: 0 !important;
    line-height: 1.15 !important;
}

.hero-stats-inline {
    display: flex !important;
    align-items: center;
    gap: 0;
    margin: 0 !important;
    flex-shrink: 0;
}

    .hero-stats-inline .stat-val {
        white-space: nowrap;
    }

@media (max-width: 860px) {
    .hero-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }

    .hero-title-inline {
        white-space: normal;
        font-size: 26px !important;
    }

    .hero-stats-inline {
        flex-wrap: wrap;
        gap: 0;
        width: 100%;
    }

        .hero-stats-inline .stat-item {
            flex: 1 1 auto;
            min-width: 80px;
        }
}

@media (max-width: 480px) {
    .hero-stats-inline {
        display: grid !important;
        grid-template-columns: 1fr 1fr;
        gap: 0;
    }

        .hero-stats-inline .stat-item {
            border-left: none !important;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            padding: 8px 0 !important;
        }

            .hero-stats-inline .stat-item:nth-child(2n) {
                border-left: 1px solid rgba(255,255,255,0.1) !important;
                padding-left: 14px !important;
            }

    .hero-title-inline {
        font-size: 22px !important;
    }

    .content-tabs {
        max-width: 100%;
    }
}

.pdf-viewer {
    border: none;
    background-color: #0B1F66;
}

/* ── Syllabus document layout ── */
.syl-doc-table {
    display: flex;
    flex-direction: column;
}

.syl-row-doc {
    display: flex;
    border-bottom: 1px solid #e5e9f2;
    font-size: 13.5px;
    line-height: 1.65;
    color: #1a2a5e;
}

    .syl-row-doc:last-child {
        border-bottom: none;
    }

.syl-num {
    min-width: 40px;
    width: 40px;
    padding: 12px 10px;
    font-weight: 700;
    font-family: 'Sora', sans-serif;
    font-size: 12px;
    color: #fff;
    background: #0B1F66;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 14px;
    flex-shrink: 0;
}

.syl-cell {
    padding: 12px 16px;
    flex: 1;
}

    .syl-cell strong {
        color: #0B1F66;
    }

    .syl-cell ul {
        margin: 6px 0 0 18px;
        padding: 0;
    }

        .syl-cell ul li {
            margin-bottom: 3px;
        }

.syl-inner-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-size: 12.5px;
}

    .syl-inner-table th {
        background: #f0f3fc;
        color: #5a6a99;
        font-weight: 700;
        font-size: 11px;
        letter-spacing: 0.5px;
        text-transform: uppercase;
        padding: 7px 10px;
        text-align: left;
        border: 1px solid #e0e5f0;
    }

    .syl-inner-table td {
        padding: 8px 10px;
        border: 1px solid #e0e5f0;
        vertical-align: top;
    }

.syl-topics-table td:first-child {
    font-weight: 700;
    text-align: center;
    white-space: nowrap;
    color: #0B1F66;
    width: 30px;
}

.syl-topics-table td:nth-child(3),
.syl-topics-table td:nth-child(4),
.syl-topics-table td:nth-child(5),
.syl-topics-table td:nth-child(6) {
    text-align: center;
    white-space: nowrap;
    width: 50px;
}

.syl-topics-table td ul {
    margin: 4px 0 0 16px;
    padding: 0;
}

    .syl-topics-table td ul li {
        margin-bottom: 2px;
        font-size: 12.5px;
    }

.syl-topics-table td strong {
    display: block;
    color: #0B1F66;
    margin-bottom: 2px;
}

@media (max-width: 600px) {
    .syl-num {
        min-width: 28px;
        width: 28px;
        font-size: 11px;
        padding: 12px 5px;
    }

    .syl-cell {
        padding: 10px 10px;
        font-size: 12.5px;
    }

    .syl-inner-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .syl-modal {
        border-radius: 0;
        max-height: 100vh;
        height: 100vh;
    }

    .syl-modal-bg {
        padding: 0;
        align-items: flex-end;
    }
}

/* ── Back to Home link ── */
.btn-back-home {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-family: 'Sora', sans-serif;
    font-size: 12px;
    font-weight: 600;
    transition: color 0.2s;
}

    .btn-back-home:hover {
        color: #fff;
        text-decoration: none;
    }

/* ── Content tabs ── */
.content-tabs {
    display: flex;
    gap: 6px;
    border-radius: 12px;
    padding: 5px;
    margin-bottom: 16px;
    width: 100%;
    max-width: 200px;
}

.ctab-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 10px 16px;
    border-radius: 9px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: 'Sora', sans-serif;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

    .ctab-btn:hover {
        background: var(--bg);
        color: var(--text-primary);
    }

    .ctab-btn.active {
        background: var(--pink);
        color: #fff;
        box-shadow: 0 3px 12px var(--pink-glow);
    }

/* ── Empty state ── */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    text-align: center;
    gap: 10px;
}

.empty-icon {
    font-size: 40px;
}

.empty-title {
    font-family: 'Sora', sans-serif;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.empty-text {
    font-size: 13px;
    color: var(--text-secondary);
    max-width: 340px;
    line-height: 1.6;
}

@media (max-width: 500px) {
    .content-tabs {
        width: 100%;
    }

    .ctab-btn {
        flex: 1;
        justify-content: center;
    }

    .hero-card-compact {
        padding: 20px 18px !important;
    }
}

/* ── Filter bar ── */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.filter-label {
    font-family: 'Sora', sans-serif;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

.filter-chips {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.fchip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 50px;
    border: 1.5px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-family: 'Sora', sans-serif;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

    .fchip:hover {
        border-color: var(--pink);
        color: var(--pink);
        background: rgba(255,45,141,0.05);
    }

    .fchip.active {
        background: var(--primary);
        border-color: var(--primary);
        color: #fff;
    }

    .fchip[data-filter="Lecture"].active {
        background: #0B1F66;
        border-color: #0B1F66;
    }

    .fchip[data-filter="Tutorial"].active {
        background: #059669;
        border-color: #059669;
    }

    .fchip[data-filter="Workshop"].active {
        background: #7c3aed;
        border-color: #7c3aed;
    }

/* ── Type badge in table ── */
.type-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 50px;
    font-family: 'Sora', sans-serif;
    font-size: 11px;
    font-weight: 700;
    white-space: nowrap;
}

.type-lecture {
    background: rgba(11,31,102,0.09);
    color: #0B1F66;
}

.type-tutorial {
    background: rgba(5,150,105,0.1);
    color: #059669;
}

.type-workshop {
    background: rgba(124,58,237,0.1);
    color: #7c3aed;
}

@media (max-width: 500px) {
    .filter-bar {
        gap: 8px;
    }

    .filter-label {
        font-size: 11px;
    }

    .fchip {
        font-size: 11px;
        padding: 5px 11px;
    }
}

.files-card {
    min-height: 120px;
}

#filterEmpty {
    display: none; /* Hidden by default */
    justify-content: center;
    padding: 40px;
    color: #888;
}
/* ============================================================
   MOBILE-ONLY OVERRIDES for course_content.aspx
   Scoped entirely inside max-width media queries so nothing here
   can ever apply to desktop widths — existing desktop rules
   above in this file stay completely untouched.
   ============================================================ */

@media (max-width: 768px) {

    /* ---- Hero: existing rules already collapse .hero-row at 860px
         and grid .hero-stats-inline at 480px. Just tighten a bit
         more so "View Syllabus" doesn't feel cramped. ---- */
    .hero-card-compact {
        padding: 18px 18px !important;
    }

    .hero-btns {
        width: 100%;
    }

    .btn-view-syl {
        width: 100%;
        justify-content: center;
    }

    /* ---- Filter chips: convert from wrapping pile into a single
         horizontally scrollable row, mobile only. ---- */
    .filter-bar {
        position: relative;
    }

    .filter-chips {
        flex-wrap: nowrap !important;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding-bottom: 4px;
    }

        .filter-chips::-webkit-scrollbar {
            display: none;
        }

    .fchip {
        flex: 0 0 auto;
    }

    .filter-bar::after {
        content: "";
        position: absolute;
        top: 0;
        right: 0;
        bottom: 4px;
        width: 26px;
        background: linear-gradient(to right, rgba(240,243,252,0), rgba(240,243,252,0.95));
        pointer-events: none;
    }

    /* ---- Files table (.table-bordered inside .files-card): had no
         mobile handling at all, causing Download/Topic to clip. ---- */
    .files-card {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        position: relative;
    }

        .files-card .table-bordered {
            min-width: 640px;
        }

            .files-card .table-bordered th,
            .files-card .table-bordered td {
                white-space: nowrap;
            }

                .files-card .table-bordered th:nth-child(2),
                .files-card .table-bordered td:nth-child(2) {
                    max-width: 180px;
                    overflow: hidden;
                    text-overflow: ellipsis;
                    white-space: nowrap;
                }

    .mobile-scroll-hint {
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 11.5px;
        color: var(--text-secondary);
        margin: 2px 2px 8px;
    }
}

@media (min-width: 769px) {
    .mobile-scroll-hint {
        display: none;
    }
}

@media (max-width: 420px) {
    .files-card .table-bordered th:nth-child(2),
    .files-card .table-bordered td:nth-child(2) {
        max-width: 130px;
    }
}