/* ============================================================
   EduPortal – Clean Blue Minimalist Theme
   Design: Pure white, true blue accents, minimal SaaS
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,300;0,14..32,400;0,14..32,500;0,14..32,600;0,14..32,700;0,14..32,800;1,14..32,400&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&display=swap');

/* ──────────────── Design Tokens ──────────────── */
:root {
    /* Brand Blue */
    --primary:        #2563eb;
    --primary-dark:   #1d4ed8;
    --primary-light:  #60a5fa;
    --primary-subtle: #eff6ff;

    /* Neutral accent */
    --accent:         #0ea5e9;
    --accent-subtle:  #f0f9ff;

    /* Status */
    --success:        #16a34a;
    --success-subtle: #f0fdf4;
    --warning:        #d97706;
    --warning-subtle: #fffbeb;
    --danger:         #dc2626;
    --danger-subtle:  #fef2f2;

    /* Surfaces — pure whites & very light grays */
    --bg:             #ffffff;
    --bg-secondary:   #f8fafc;
    --bg-tertiary:    #f1f5f9;
    --surface:        #ffffff;
    --surface-raised: #ffffff;

    /* Text */
    --text-primary:   #0f172a;
    --text-secondary: #475569;
    --text-tertiary:  #94a3b8;
    --text-on-dark:   #ffffff;

    /* Borders — clean, hairline */
    --border:         #e2e8f0;
    --border-strong:  #cbd5e1;
    --border-focus:   #2563eb;

    /* Shadows — very subtle */
    --shadow-xs:      0 1px 2px rgba(15,23,42,0.05);
    --shadow-sm:      0 1px 3px rgba(15,23,42,0.07), 0 1px 2px rgba(15,23,42,0.04);
    --shadow-md:      0 4px 8px rgba(15,23,42,0.06), 0 2px 4px rgba(15,23,42,0.04);
    --shadow-lg:      0 10px 20px rgba(15,23,42,0.07), 0 4px 6px rgba(15,23,42,0.04);
    --shadow-xl:      0 20px 30px rgba(15,23,42,0.07), 0 8px 12px rgba(15,23,42,0.04);
    --shadow-focus:   0 0 0 3px rgba(37,99,235,0.18);

    /* Radius — clean, geometric */
    --radius-xs:      0.25rem;
    --radius-sm:      0.375rem;
    --radius-md:      0.625rem;
    --radius-lg:      0.875rem;
    --radius-xl:      1.125rem;
    --radius-2xl:     1.5rem;
    --radius-full:    9999px;

    /* Transitions */
    --ease:           cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out:       cubic-bezier(0, 0, 0.2, 1);
    --duration:       0.18s;
    --duration-slow:  0.3s;

    /* Typography */
    --font-sans:      'Inter', system-ui, -apple-system, sans-serif;
    --font-display:   'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
}

/* ──────────────── Reset & Base ──────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--duration) var(--ease);
}
a:hover { color: var(--primary-dark); }

img { max-width: 100%; }

p { color: var(--text-secondary); }

/* ──────────────── Scrollbar ──────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg-tertiary); }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--primary-light); }

/* ──────────────── Selection ──────────────── */
::selection { background: var(--primary-subtle); color: var(--primary-dark); }


/* ════════════════════════════════════════════
   PUBLIC SITE LAYOUT — PREMIUM NAVBAR
   ════════════════════════════════════════════ */

/* ── Site Header wrapper ── */
.public-site .site-header {
    background: transparent;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow var(--duration-slow) var(--ease),
                background var(--duration-slow) var(--ease);
}
.public-site .site-header.scrolled {
    box-shadow: 0 4px 24px rgba(15,23,42,0.10);
}

/* ────────────────────────────────────────────
   TOP UTILITY BAR (dark gradient strip)
   ──────────────────────────────────────────── */
.public-site .header-topbar {
    background: linear-gradient(90deg, #0f172a 0%, #1e293b 60%, #1d4ed8 100%);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    padding: 0.4rem 0;
}

/* Search input in topbar */
.public-site .header-topbar .nav-search,
.public-site .header-search .nav-search {
    min-width: 220px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.14);
    color: #f1f5f9;
    padding: 0.32rem 1rem 0.32rem 2rem;
    font-size: 0.82rem;
    font-family: var(--font-sans);
    transition: all var(--duration) var(--ease);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 0.65rem center;
}
.public-site .header-topbar .nav-search::placeholder,
.public-site .header-search .nav-search::placeholder {
    color: rgba(148,163,184,0.8);
}
.public-site .header-topbar .nav-search:focus,
.public-site .header-search .nav-search:focus {
    background-color: rgba(255,255,255,0.13);
    border-color: rgba(96,165,250,0.55);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.2);
    outline: none;
    color: #f8fafc;
}

/* Topbar links / user info */
.public-site .topbar-link {
    color: rgba(203,213,225,0.9);
    font-size: 0.8rem;
    font-weight: 500;
    font-family: var(--font-sans);
    text-decoration: none;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-sm);
    letter-spacing: 0.01em;
    transition: color var(--duration) var(--ease),
                background var(--duration) var(--ease);
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}
.public-site .topbar-link:hover {
    color: #ffffff;
    background: rgba(255,255,255,0.08);
}

.public-site .topbar-user {
    color: rgba(148,163,184,0.85);
    font-size: 0.8rem;
    font-weight: 500;
    font-family: var(--font-sans);
    padding: 0.25rem 0.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    border-right: 1px solid rgba(255,255,255,0.08);
    margin-right: 0.25rem;
}

/* Topbar button (logout) */
.public-site .topbar-btn-link {
    background: none;
    border: none;
    font-family: var(--font-sans);
    cursor: pointer;
}

/* Topbar CTA — "Get Started" */
.public-site .topbar-cta {
    background: var(--primary);
    border: 1px solid transparent;
    color: #ffffff !important;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.28rem 0.85rem;
    border-radius: var(--radius-full);
    letter-spacing: 0.01em;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: all var(--duration) var(--ease);
    box-shadow: 0 2px 8px rgba(37,99,235,0.35);
}
.public-site .topbar-cta:hover {
    background: var(--primary-dark);
    color: #ffffff !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(37,99,235,0.45);
}

/* ────────────────────────────────────────────
   MAIN NAVBAR
   ──────────────────────────────────────────── */
.public-site .navbar {
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(226,232,240,0.8);
    padding: 0;
    min-height: 62px;
    transition: background var(--duration-slow) var(--ease),
                border-color var(--duration-slow) var(--ease);
}
.public-site .site-header.scrolled .navbar {
    background: rgba(255,255,255,0.98);
    border-bottom-color: var(--border);
}

/* Logo brand */
.public-site .navbar-brand {
    color: var(--text-primary) !important;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    padding: 0.75rem 0;
    transition: opacity var(--duration) var(--ease),
                transform var(--duration) var(--ease);
}
.public-site .navbar-brand:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

/* Logo image */
.public-site .navbar-logo {
    height: 42px;
    width: auto;
    max-width: 175px;
    object-fit: contain;
    display: block;
    transition: opacity var(--duration) var(--ease),
                transform var(--duration) var(--ease);
    filter: drop-shadow(0 1px 3px rgba(15,23,42,0.08));
}
.public-site .navbar-brand:hover .navbar-logo {
    opacity: 0.88;
}

/* Brand icon */
.public-site .navbar-brand .brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    flex-shrink: 0;
    transition: transform var(--duration) var(--ease);
}
.public-site .navbar-brand:hover .brand-icon {
    transform: scale(1.06) rotate(-3deg);
}



/* ── Nav Items (animated underline style) ── */
.public-site .navbar-nav {
    gap: 0.1rem;
    align-items: center;
    flex-wrap: wrap;     /* wrap to next line if items overflow */
}

.public-site .navbar-nav .nav-item {
    position: relative;
}

.public-site .nav-link {
    color: #475569 !important;
    font-weight: 500;
    font-size: 0.875rem;
    padding: 1.1rem 0.95rem !important;
    border-radius: 0;
    position: relative;
    letter-spacing: -0.005em;
    transition: color var(--duration) var(--ease);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Animated underline indicator */
.public-site .navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0.95rem;
    right: 0.95rem;
    height: 2.5px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px 2px 0 0;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.22s var(--ease-out);
}
.public-site .navbar-nav .nav-link:hover {
    color: var(--text-primary) !important;
    background: none !important;
}
.public-site .navbar-nav .nav-link:hover::after {
    transform: scaleX(1);
}
.public-site .navbar-nav .nav-link.active {
    color: var(--primary) !important;
    font-weight: 600;
    background: none !important;
}
.public-site .navbar-nav .nav-link.active::after {
    transform: scaleX(1);
}

/* Dropdown toggle chevron */
.public-site .navbar-nav .dropdown-toggle::before {
    content: none;
}
.public-site .navbar-nav .dropdown-toggle .caret-icon {
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-left: 0.1rem;
    transition: transform 0.2s var(--ease);
    opacity: 0.55;
    flex-shrink: 0;
}
.public-site .navbar-nav .dropdown.show .dropdown-toggle .caret-icon {
    transform: rotate(180deg);
    opacity: 0.9;
}

/* ── Dropdown Menus (premium panel style) ── */
.public-site .dropdown-menu,
.public-site .courses-dropdown-menu {
    border: 1px solid rgba(226,232,240,0.9);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(15,23,42,0.10), 0 2px 8px rgba(15,23,42,0.06);
    padding: 0.5rem;
    min-width: 220px;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    animation: dropdownFadeIn 0.18s var(--ease-out) both;
    margin-top: 0 !important;
    top: 100% !important;
}

@keyframes dropdownFadeIn {
    from { opacity: 0; transform: translateY(-6px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0)   scale(1); }
}

.public-site .dropdown-item {
    color: var(--text-secondary);
    font-size: 0.855rem;
    font-weight: 500;
    padding: 0.55rem 0.85rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 0.55rem;
    transition: all var(--duration) var(--ease);
    position: relative;
}
.public-site .dropdown-item:hover,
.public-site .dropdown-item:focus {
    color: var(--primary);
    background: var(--primary-subtle);
    transform: translateX(2px);
}

.public-site .dropdown-item .dropdown-item-icon {
    font-size: 0.95rem;
    width: 22px;
    text-align: center;
    flex-shrink: 0;
    opacity: 0.75;
    transition: opacity var(--duration) var(--ease),
                transform var(--duration) var(--ease);
}
.public-site .dropdown-item:hover .dropdown-item-icon {
    opacity: 1;
    transform: scale(1.15);
}

/* "Overview" top item — slightly bolder */
.public-site .courses-dropdown-all {
    font-weight: 600;
    color: var(--text-primary);
}
.public-site .courses-dropdown-all:hover {
    color: var(--primary);
}

/* Divider */
.public-site .dropdown-divider {
    border-color: var(--border);
    margin: 0.35rem 0.5rem;
    opacity: 0.7;
}

/* ── About Nav Dropdown ── */
/* Suppress Bootstrap's default caret so our SVG caret-icon is used */
.public-site .about-nav-dropdown .dropdown-toggle::after {
    display: none !important;
}

/* About dropdown panel — slightly narrower than courses */
.public-site .about-dropdown-menu {
    min-width: 200px;
}

/* Careers item — subtle accent highlight */
.public-site .about-dropdown-careers {
    color: var(--primary) !important;
    font-weight: 600;
    background: var(--primary-subtle);
    margin-top: 0.1rem;
}
.public-site .about-dropdown-careers:hover {
    background: rgba(37, 99, 235, 0.12) !important;
    color: var(--primary-dark) !important;
}


/* ── Search bar (in topbar) ── */
.public-site .header-search {
    position: relative;
}

/* ── Topbar search — already above, alias for .nav-search used elsewhere ── */
.public-site .nav-search {
    min-width: 200px;
    border-radius: var(--radius-full);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
    transition: all var(--duration) var(--ease);
    font-family: var(--font-sans);
}
.public-site .nav-search::placeholder { color: var(--text-tertiary); }
.public-site .nav-search:focus {
    background: var(--surface);
    border-color: var(--primary);
    box-shadow: var(--shadow-focus);
    outline: none;
}

/* ── Mobile toggler ── */
.public-site .navbar-toggler {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0.4rem 0.65rem;
    background: var(--bg-secondary);
    transition: all var(--duration) var(--ease);
    color: var(--text-secondary);
}
.public-site .navbar-toggler:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-strong);
    color: var(--text-primary);
}
.public-site .navbar-toggler:focus {
    box-shadow: var(--shadow-focus);
    outline: none;
}

/* ── Admin badge ── */
.public-site a.topbar-link[href*="Admin"] {
    background: rgba(37,99,235,0.18) !important;
    color: #93c5fd !important;
    border: 1px solid rgba(37,99,235,0.25) !important;
    font-weight: 600;
}
.public-site a.topbar-link[href*="Admin"]:hover {
    background: rgba(37,99,235,0.30) !important;
    color: #bfdbfe !important;
}

/* ── Main body ── */
.public-site .site-main {
    min-height: calc(100vh - 160px);
    background: var(--bg);
}

/* ── Footer ── */
.public-site .site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    color: var(--text-tertiary);
    font-size: 0.875rem;
}
.public-site .site-footer strong { color: var(--text-secondary); }


/* ════════════════════════════════════════════
   HERO SECTION
   ════════════════════════════════════════════ */
.hero {
    position: relative;
    overflow: hidden;
    background: #ffffff;
    padding: 5rem 0 4rem;
    margin-bottom: 0;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

/* Very light blue tone wash — clean, not noisy */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 65% at 50% -10%, rgba(37,99,235,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero h1 {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    letter-spacing: -0.035em;
    color: var(--text-primary);
    position: relative;
    z-index: 1;
    margin-bottom: 1rem;
}

.hero h1 span {
    color: var(--primary);
}

.hero .lead {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 480px;
    margin: 0 auto 2.25rem;
    position: relative;
    z-index: 1;
    line-height: 1.75;
}

.hero .btn { position: relative; z-index: 1; }

/* Hero badges */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--primary-subtle);
    color: var(--primary);
    border: 1px solid rgba(37,99,235,0.18);
    border-radius: var(--radius-full);
    padding: 0.3rem 0.85rem;
    font-size: 0.78rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
    letter-spacing: 0.01em;
}


/* ════════════════════════════════════════════
   BUTTONS
   ════════════════════════════════════════════ */
.btn {
    font-family: var(--font-sans);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--duration) var(--ease);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: var(--primary);
    border: 1px solid var(--primary);
    color: #fff;
    box-shadow: var(--shadow-xs);
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(37,99,235,0.28);
}
.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-xs);
}
.btn-primary:focus-visible {
    outline: none;
    box-shadow: var(--shadow-focus);
}

.btn-outline-primary {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}
.btn-outline-primary:hover {
    background: var(--primary-subtle);
    border-color: var(--primary);
    color: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
}
.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-strong);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--danger);
    border: 1px solid var(--danger);
    color: #fff;
}
.btn-danger:hover {
    background: #b91c1c;
    border-color: #b91c1c;
    color: #fff;
    transform: translateY(-1px);
}

.btn-success {
    background: var(--success);
    border: 1px solid var(--success);
    color: #fff;
}
.btn-success:hover {
    background: #15803d;
    border-color: #15803d;
    color: #fff;
}

.btn-lg {
    padding: 0.7rem 1.65rem;
    font-size: 0.95rem;
    border-radius: var(--radius-lg);
}

.btn-sm {
    padding: 0.3rem 0.8rem;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
}


/* ════════════════════════════════════════════
   CARDS
   ════════════════════════════════════════════ */

/* ── Course Cards ── */
.course-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--surface);
    box-shadow: var(--shadow-xs);
    transition: all var(--duration-slow) var(--ease);
    height: 100%;
}
.course-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: rgba(37,99,235,0.2);
}
.course-card img {
    height: 185px;
    object-fit: cover;
    width: 100%;
}
.course-card .card-body { padding: 1.35rem; }
.course-card .card-title {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.45rem;
    font-size: 1rem;
}
.course-card .card-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.65;
    margin-bottom: 1.2rem;
}
.course-card .course-placeholder {
    height: 185px;
    background: var(--primary-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

/* ── Feature Cards ── */
.feature-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: var(--surface);
    padding: 1.75rem;
    text-align: left;
    box-shadow: var(--shadow-xs);
    transition: all var(--duration-slow) var(--ease);
    height: 100%;
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--primary);
    opacity: 0;
    transition: opacity var(--duration) var(--ease);
}
.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(37,99,235,0.2);
}
.feature-card:hover::before { opacity: 1; }

.feature-card .feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1rem;
    transition: transform var(--duration) var(--ease);
}
.feature-card:hover .feature-icon { transform: scale(1.07); }

.feature-card .feature-icon.icon-blue   { background: #eff6ff; }
.feature-card .feature-icon.icon-cyan   { background: #f0f9ff; }
.feature-card .feature-icon.icon-violet { background: #f5f3ff; }
.feature-card .feature-icon.icon-green  { background: #f0fdf4; }

.feature-card h5 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.4rem;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}
.feature-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.65;
    margin: 0;
}

/* ── Stat Cards ── */
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    text-align: center;
    transition: all var(--duration) var(--ease);
    position: relative;
    overflow: hidden;
}
.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(37,99,235,0.2);
}
.stat-card .stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 0.35rem;
}
.stat-card .stat-label {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.01em;
}


/* ════════════════════════════════════════════
   SECTION HEADINGS
   ════════════════════════════════════════════ */
.section-heading {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.75rem;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}
.section-subheading {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 2.5rem;
    line-height: 1.65;
}
.section-label {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 0.75rem;
}


/* ════════════════════════════════════════════
   BREADCRUMB
   ════════════════════════════════════════════ */
.breadcrumb-nav {
    background: var(--bg-secondary);
    padding: 0.75rem 0;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.825rem;
}
.breadcrumb-nav a {
    color: var(--primary);
    font-weight: 500;
}
.breadcrumb-nav a:hover { color: var(--primary-dark); }
.breadcrumb-nav .separator {
    margin: 0 0.5rem;
    color: var(--text-tertiary);
}
.breadcrumb-nav .current { color: var(--text-secondary); }


/* ════════════════════════════════════════════
   SUBJECT / CHAPTER LISTS
   ════════════════════════════════════════════ */
.subject-list, .chapter-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.subject-list li, .chapter-list li {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0.9rem 1.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-xs);
    transition: all var(--duration) var(--ease);
}
.subject-list li:hover, .chapter-list li:hover {
    border-color: rgba(37,99,235,0.3);
    box-shadow: var(--shadow-sm);
    transform: translateX(2px);
    background: var(--primary-subtle);
}
.subject-list li strong, .chapter-list li strong {
    font-weight: 600;
    color: var(--text-primary);
}


/* ════════════════════════════════════════════
   CHAPTER CONTENT
   ════════════════════════════════════════════ */
.chapter-content {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
}
.detail-block {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}
.detail-block:last-child {
    border-bottom: none;
    margin-bottom: 0;
}
.detail-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.85rem;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.detail-code {
    background: #0f172a;
    color: #e2e8f0;
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-md);
    overflow-x: auto;
    font-size: 0.875rem;
    line-height: 1.7;
    border: 1px solid #1e293b;
}
.detail-list li {
    margin-bottom: 0.4rem;
    line-height: 1.6;
}


/* ════════════════════════════════════════════
   BADGES
   ════════════════════════════════════════════ */
.badge-published {
    background: var(--success-subtle);
    color: var(--success);
    border: 1px solid rgba(22,163,74,0.2);
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.2rem 0.65rem;
    letter-spacing: 0.02em;
}
.badge-draft {
    background: var(--warning-subtle);
    color: var(--warning);
    border: 1px solid rgba(217,119,6,0.2);
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.2rem 0.65rem;
}


/* ════════════════════════════════════════════
   ALERTS
   ════════════════════════════════════════════ */
.alert {
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    font-size: 0.875rem;
    padding: 0.85rem 1.1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
}
.alert-info {
    background: #eff6ff;
    border-color: #bfdbfe;
    color: #1e40af;
}
.alert-success {
    background: var(--success-subtle);
    border-color: rgba(22,163,74,0.25);
    color: #15803d;
}
.alert-warning {
    background: var(--warning-subtle);
    border-color: rgba(217,119,6,0.25);
    color: #92400e;
}
.alert-danger {
    background: var(--danger-subtle);
    border-color: rgba(220,38,38,0.25);
    color: #991b1b;
}
.alert-secondary {
    background: var(--bg-secondary);
    border-color: var(--border);
    color: var(--text-secondary);
}


/* ════════════════════════════════════════════
   FORM CONTROLS
   ════════════════════════════════════════════ */
.form-control, .form-select {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0.6rem 0.9rem;
    font-size: 0.875rem;
    color: var(--text-primary);
    background: var(--surface);
    transition: all var(--duration) var(--ease);
    font-family: var(--font-sans);
}
.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: var(--shadow-focus);
    background: var(--surface);
    outline: none;
}
.form-control::placeholder { color: var(--text-tertiary); }

.form-label {
    font-weight: 600;
    font-size: 0.825rem;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    letter-spacing: -0.005em;
}
.form-text { font-size: 0.8rem; color: var(--text-tertiary); }
.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}
.form-check-input:focus { box-shadow: var(--shadow-focus); }

/* Floating label style for content forms */
.form-floating label { color: var(--text-tertiary); }


/* ════════════════════════════════════════════
   LOGIN & REGISTER PAGES
   ════════════════════════════════════════════ */
.login-page {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--bg);
}

.login-page .login-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    background: var(--bg);
    position: relative;
    z-index: 1;
}

.login-page .brand-panel {
    background: linear-gradient(150deg, #1e3a8a 0%, #1d4ed8 45%, #0369a1 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2.5rem;
    position: relative;
    overflow: hidden;
}

.login-page .brand-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 60% at 25% 25%, rgba(255,255,255,0.07) 0%, transparent 65%),
        radial-gradient(ellipse 40% 50% at 80% 80%, rgba(14,165,233,0.2) 0%, transparent 65%);
    pointer-events: none;
}

.login-page .brand-panel::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
}

.login-page .brand-panel-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 380px;
}

.login-page .brand-panel .brand-logo {
    width: 68px; height: 68px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.1rem;
    margin: 0 auto 1.5rem;
    backdrop-filter: blur(8px);
}

.login-page .brand-panel h2 {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 2rem;
    color: #fff;
    letter-spacing: -0.04em;
    margin-bottom: 0.75rem;
}

.login-page .brand-panel p {
    color: rgba(255,255,255,0.6);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.login-page .brand-feature {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.65rem 1rem;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-md);
    margin-bottom: 0.6rem;
    text-align: left;
}

.login-page .brand-feature .bf-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
}

.login-page .brand-feature .bf-text {
    font-size: 0.825rem;
    color: rgba(255,255,255,0.75);
    font-weight: 500;
}

/* Login card */
.login-card {
    width: 100%;
    max-width: 400px;
}

.login-card-header {
    margin-bottom: 2rem;
}

.login-card-header .login-logo {
    width: 50px; height: 50px;
    background: var(--primary-subtle);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1.25rem;
    border: 1px solid rgba(37,99,235,0.15);
}

.login-card-header h2 {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    letter-spacing: -0.04em;
}

.login-card-header .card-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.login-card .form-group { margin-bottom: 1rem; }

.login-card .form-control {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    padding: 0.65rem 0.95rem;
    font-size: 0.875rem;
}
.login-card .form-control:focus {
    background: var(--surface);
    border-color: var(--primary);
    box-shadow: var(--shadow-focus);
}

.login-card .form-label {
    color: var(--text-primary);
    font-size: 0.825rem;
    font-weight: 600;
}

.login-card .form-check-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 400;
}

.login-card .btn-primary {
    padding: 0.7rem 1rem;
    font-size: 0.9rem;
    font-weight: 700;
}

.login-card a {
    color: var(--primary);
    font-weight: 500;
}
.login-card a:hover { color: var(--primary-dark); }

.login-card .text-danger { color: var(--danger) !important; font-size: 0.8rem; }

/* Divider */
.login-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1.25rem 0;
    color: var(--text-tertiary);
    font-size: 0.8rem;
    font-weight: 500;
}
.login-divider::before, .login-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* Demo hint */
.demo-hint {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0.65rem 0.9rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: center;
    margin: 0.5rem 0;
}

@media (max-width: 768px) {
    .login-page {
        grid-template-columns: 1fr;
    }
    .login-page .brand-panel {
        display: none;
    }
    .login-page .login-panel {
        padding: 2rem 1.25rem;
    }
}


/* ════════════════════════════════════════════
   ADMIN AREA — SIDEBAR LAYOUT
   ════════════════════════════════════════════ */
.admin-site {
    background: var(--bg-secondary);
    min-height: 100vh;
}

/* ── Shell: sidebar + content area side by side ── */
.admin-shell {
    display: flex;
    min-height: 100vh;
}

/* ════════════════════════════════════════════
   LEFT SIDEBAR
   ════════════════════════════════════════════ */
.admin-sidebar {
    width: 240px;
    flex-shrink: 0;
    background: #0f172a;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 200;
    overflow: hidden;
    transition: transform var(--duration-slow) var(--ease);
    box-shadow: 4px 0 24px rgba(15,23,42,0.18);
}

/* ── Sidebar Brand / Header ── */
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0 1rem;
    height: 60px;
    flex-shrink: 0;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    background: rgba(255,255,255,0.03);
}
.sidebar-brand-link {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    text-decoration: none;
    flex: 1;
    min-width: 0;
    transition: opacity var(--duration) var(--ease);
}
.sidebar-brand-link:hover { opacity: 0.8; }

.sidebar-brand-icon {
    width: 30px; height: 30px;
    background: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(37,99,235,0.4);
}
.sidebar-brand-name {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 0.9rem;
    color: #f1f5f9;
    letter-spacing: -0.03em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sidebar-admin-badge {
    background: rgba(37,99,235,0.25);
    color: #93c5fd;
    border: 1px solid rgba(37,99,235,0.35);
    border-radius: var(--radius-full);
    font-size: 0.58rem;
    font-weight: 700;
    padding: 0.12rem 0.45rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    flex-shrink: 0;
}
.sidebar-close-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 28px; height: 28px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    color: #94a3b8;
    cursor: pointer;
    flex-shrink: 0;
    transition: all var(--duration) var(--ease);
}
.sidebar-close-btn:hover {
    background: rgba(255,255,255,0.12);
    color: #f1f5f9;
}

/* ── Sidebar Navigation ── */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem 0;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-full);
}

/* ── Section label ── */
.sidebar-section { margin-bottom: 0.5rem; }
.sidebar-section-label {
    display: block;
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(148,163,184,0.55);
    padding: 0.6rem 1rem 0.2rem;
}

/* ── Nav item base ── */
.sidebar-nav-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.48rem 1rem;
    font-size: 0.825rem;
    font-weight: 500;
    color: #94a3b8;
    text-decoration: none;
    border-radius: 0;
    transition: all var(--duration) var(--ease);
    font-family: var(--font-sans);
    position: relative;
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    letter-spacing: -0.005em;
    line-height: 1.4;
}
.sidebar-nav-item .nav-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: 0.65;
    transition: opacity var(--duration) var(--ease);
}
.sidebar-nav-item .nav-item-label {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.sidebar-nav-item:hover {
    background: rgba(255,255,255,0.06);
    color: #e2e8f0;
}
.sidebar-nav-item:hover .nav-item-icon { opacity: 1; }
.sidebar-nav-item.active {
    background: rgba(37,99,235,0.18);
    color: #93c5fd;
    font-weight: 600;
}
.sidebar-nav-item.active .nav-item-icon { opacity: 1; }
.sidebar-nav-item.active::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--primary);
    border-radius: 0 2px 2px 0;
}

/* ── Tree chevron ── */
.nav-tree-chevron {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    color: rgba(148,163,184,0.5);
    transition: transform 0.2s var(--ease), color var(--duration) var(--ease);
    margin-left: auto;
}
.sidebar-nav-item.tree-open .nav-tree-chevron {
    transform: rotate(180deg);
    color: rgba(148,163,184,0.8);
}

/* ── Tree hierarchy (collapsible children) ── */
.sidebar-tree-children {
    display: none;
    overflow: hidden;
}
.sidebar-tree-children.open {
    display: block;
    animation: treeExpand 0.18s var(--ease-out) both;
}
@keyframes treeExpand {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Level 2 indentation (Subjects inside Courses) */
.sidebar-tree-child-item {
    padding-left: 2.1rem;
}
/* Level 3 indentation (Chapters inside Subjects) */
.sidebar-tree-grandchild-item {
    padding-left: 3.1rem;
}
/* Level 4 indentation (Details inside Chapters) */
.sidebar-tree-great-grandchild-item {
    padding-left: 4.1rem;
}

/* Hierarchy connector line (left border trail) */
.sidebar-tree-children {
    border-left: 1px solid rgba(255,255,255,0.07);
    margin-left: 1.55rem;
}

/* ══════════════════════════════════════════════
   DYNAMIC DB-DRIVEN CONTENT TREE (dyn-* classes)
   ══════════════════════════════════════════════ */
.sidebar-section-tree .sidebar-section-label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.dyn-tree-refresh {
    background: none;
    border: none;
    cursor: pointer;
    color: rgba(148,163,184,0.45);
    padding: 0.1rem;
    border-radius: var(--radius-xs);
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color var(--duration) var(--ease), transform 0.35s var(--ease);
}
.dyn-tree-refresh:hover { color: rgba(148,163,184,0.9); transform: rotate(180deg); }
.dyn-tree-wrap {
    overflow-y: auto;
    max-height: 340px;
    padding-right: 2px;
}
.dyn-tree-wrap::-webkit-scrollbar { width: 3px; }
.dyn-tree-wrap::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: var(--radius-full); }
.dyn-tree-empty { font-size: 0.73rem; color: rgba(148,163,184,0.5); padding: 0.5rem 0.25rem; font-style: italic; }
.dyn-tree-node { display: flex; flex-direction: column; }
.dyn-tree-toggle {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.28rem 0.45rem;
    border-radius: var(--radius-sm);
    font-size: 0.76rem;
    font-family: var(--font-sans);
    color: rgba(203,213,225,0.8);
    text-align: left;
    transition: background var(--duration) var(--ease), color var(--duration) var(--ease);
}
.dyn-tree-toggle:hover { background: rgba(255,255,255,0.05); color: #e2e8f0; }
.dyn-tree-toggle.dyn-open { color: #93c5fd; background: rgba(37,99,235,0.1); }
.dyn-lvl2 { padding-left: 0.85rem; }
.dyn-lvl3 { padding-left: 1.55rem; }
.dyn-lvl4 { padding-left: 2.2rem; }
.dyn-leaf { cursor: default; }
.dyn-leaf:hover { background: none; }
.dyn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 18px; height: 18px;
    border-radius: var(--radius-xs);
}
.dyn-icon-course  { background: rgba(37,99,235,0.18);  color: #60a5fa; }
.dyn-icon-subject { background: rgba(14,165,233,0.15); color: #38bdf8; }
.dyn-icon-chapter { background: rgba(99,102,241,0.15); color: #a5b4fc; }
.dyn-icon-detail  { background: rgba(168,85,247,0.15); color: #c4b5fd; }
.dyn-label {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: inherit;
    font-size: 0.75rem;
    font-weight: 500;
    text-decoration: none;
    transition: color var(--duration) var(--ease);
}
.dyn-label:hover { color: #93c5fd; text-decoration: none; }
.dyn-chevron {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    color: rgba(148,163,184,0.4);
    transition: transform 0.2s var(--ease), color var(--duration) var(--ease);
}
.dyn-tree-toggle.dyn-open .dyn-chevron { transform: rotate(180deg); color: rgba(148,163,184,0.75); }
.dyn-count {
    flex-shrink: 0;
    font-size: 0.62rem;
    font-weight: 600;
    min-width: 16px; height: 16px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.07);
    color: rgba(148,163,184,0.6);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    line-height: 1;
}
.dyn-type-badge {
    flex-shrink: 0;
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 1px 5px;
    border-radius: var(--radius-full);
    background: rgba(168,85,247,0.15);
    color: #c4b5fd;
    line-height: 1.4;
}
.dyn-children {
    display: none;
    overflow: hidden;
    border-left: 1px solid rgba(255,255,255,0.06);
    margin-left: 0.9rem;
}
.dyn-children.dyn-open {
    display: block;
    animation: dynExpand 0.16s var(--ease-out) both;
}
@keyframes dynExpand {
    from { opacity: 0; transform: translateY(-3px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Sidebar Footer ── */

.sidebar-footer {
    padding: 0.75rem 0.75rem;
    border-top: 1px solid rgba(255,255,255,0.07);
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    background: rgba(0,0,0,0.15);
    flex-shrink: 0;
}
.sidebar-footer-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    font-weight: 500;
    color: #64748b;
    text-decoration: none;
    padding: 0.35rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: all var(--duration) var(--ease);
}
.sidebar-footer-link:hover {
    color: #94a3b8;
    background: rgba(255,255,255,0.06);
}
.sidebar-footer-divider {
    height: 1px;
    background: rgba(255,255,255,0.07);
    margin: 0.1rem 0;
}
.sidebar-footer-user {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.3rem 0.5rem;
    font-size: 0.78rem;
    color: #64748b;
}
.sidebar-user-avatar { font-size: 0.85rem; }
.sidebar-user-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}
.sidebar-logout-btn {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    width: 100%;
    padding: 0.38rem 0.5rem;
    font-size: 0.78rem;
    font-weight: 500;
    color: #f87171;
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font-sans);
    transition: all var(--duration) var(--ease);
    text-align: left;
}
.sidebar-logout-btn:hover {
    background: rgba(239,68,68,0.12);
    color: #fca5a5;
}

/* ── Overlay (mobile) ── */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,0.55);
    z-index: 199;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    animation: overlayFadeIn 0.2s var(--ease-out) both;
}
.sidebar-overlay.visible { display: block; }
@keyframes overlayFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* ════════════════════════════════════════════
   MAIN CONTENT AREA
   ════════════════════════════════════════════ */
.admin-content-area {
    flex: 1;
    margin-left: 240px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-width: 0;
}

/* ── Top bar (page title + mobile hamburger) ── */
.admin-topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-xs);
    height: 60px;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
    flex-shrink: 0;
}
.admin-topbar-hamburger {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--text-secondary);
    flex-shrink: 0;
    transition: all var(--duration) var(--ease);
}
.admin-topbar-hamburger:hover {
    background: var(--bg-secondary);
    color: var(--primary);
    border-color: var(--primary);
}
.admin-topbar-title h1 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.02em;
    line-height: 1.2;
}
.admin-topbar-sub {
    font-size: 0.72rem;
    color: var(--text-tertiary);
    font-weight: 400;
    display: block;
}

/* ── Admin main content ── */
.admin-main {
    padding: 1.75rem;
    flex: 1;
    background: var(--bg-secondary);
}

/* ── Page titlebar (legacy, keep for compatibility) ── */
.admin-page-titlebar {
    background: var(--surface);
    padding: 0.85rem 1.75rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.admin-page-titlebar h1 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.02em;
}
.admin-page-titlebar .titlebar-sub {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    font-weight: 400;
    margin-top: 0.05rem;
}

/* ── Responsive — mobile sidebar ── */
@media (max-width: 900px) {
    .admin-sidebar {
        transform: translateX(-100%);
        box-shadow: none;
    }
    .admin-sidebar.open {
        transform: translateX(0);
        box-shadow: 4px 0 32px rgba(15,23,42,0.35);
    }
    .sidebar-close-btn { display: flex; }
    .admin-content-area { margin-left: 0; }
    .admin-topbar-hamburger { display: flex; }
}

@media (max-width: 480px) {
    .admin-main { padding: 1rem; }
    .admin-topbar { padding: 0 1rem; }
}

/* ── Admin stat cards ── */
.admin-stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-xs);
    transition: all var(--duration) var(--ease);
    position: relative;
    overflow: hidden;
}
.admin-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(37,99,235,0.15);
}
.admin-stat-card .stat-icon {
    width: 42px; height: 42px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}
.admin-stat-card .stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.04em;
    line-height: 1;
    margin-bottom: 0.3rem;
}
.admin-stat-card .stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ── Admin table ── */
.admin-table {
    background: var(--surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--border);
}
.admin-table table { margin-bottom: 0; }
.admin-table thead th {
    background: var(--bg-secondary);
    font-weight: 700;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-tertiary);
    border-bottom: 1px solid var(--border);
    padding: 0.85rem 1.1rem;
}
.admin-table tbody tr {
    transition: background var(--duration) var(--ease);
}
.admin-table tbody tr:hover { background: var(--primary-subtle); }
.admin-table tbody td {
    padding: 0.85rem 1.1rem;
    vertical-align: middle;
    font-size: 0.875rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
}
.admin-table tbody tr:last-child td { border-bottom: none; }

/* ── Admin form card ── */
.admin-form-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-xs);
    max-width: 700px;
}

/* ── Page header in admin ── */
.admin-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.admin-page-header h2 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.03em;
}
.admin-page-header .page-desc {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 0.15rem;
}

/* ── Sidebar toggle button ── */
.sidebar-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--text-secondary);
    cursor: pointer;
    flex-shrink: 0;
    transition: all var(--duration) var(--ease);
    box-shadow: var(--shadow-xs);
}
.sidebar-toggle-btn:hover {
    background: var(--bg-secondary);
    color: var(--primary);
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}
.sidebar-toggle-btn:active {
    transform: scale(0.95);
}

/* ── Sidebar collapsed state ── */
.admin-wrapper {
    transition: none; /* default — no transition for the wrapper itself */
}

.admin-wrapper .admin-sidebar {
    transition: width var(--duration-slow) var(--ease),
                transform var(--duration-slow) var(--ease),
                opacity var(--duration-slow) var(--ease);
}

/* Labels/text inside sidebar also fade */
.admin-sidebar .sidebar-brand span:not(.brand-icon),
.admin-sidebar .sidebar-section-label,
.admin-sidebar .sidebar-nav a span,
.admin-sidebar .sidebar-nav .sidebar-logout span {
    transition: opacity var(--duration) var(--ease),
                width var(--duration-slow) var(--ease);
    overflow: hidden;
    white-space: nowrap;
}

/* Collapsed state */
.admin-wrapper.sidebar-collapsed .admin-sidebar {
    width: 64px;
}

.admin-wrapper.sidebar-collapsed .admin-sidebar .sidebar-brand {
    justify-content: center;
    padding: 1.25rem 0.5rem 1rem;
    gap: 0;
}

/* Hide brand text, keep icon */
.admin-wrapper.sidebar-collapsed .admin-sidebar .sidebar-brand > *:not(.brand-icon) {
    display: none;
}

/* Hide section labels when collapsed */
.admin-wrapper.sidebar-collapsed .admin-sidebar .sidebar-section-label {
    opacity: 0;
    height: 0;
    padding: 0;
    overflow: hidden;
    pointer-events: none;
}

/* Center nav links and hide text */
.admin-wrapper.sidebar-collapsed .admin-sidebar .sidebar-nav {
    padding: 0.75rem 0.5rem;
    align-items: center;
}

.admin-wrapper.sidebar-collapsed .admin-sidebar .sidebar-nav a,
.admin-wrapper.sidebar-collapsed .admin-sidebar .sidebar-nav .sidebar-logout {
    width: 40px;
    height: 40px;
    padding: 0;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

/* Hide link text, keep icon */
.admin-wrapper.sidebar-collapsed .admin-sidebar .sidebar-nav a > svg,
.admin-wrapper.sidebar-collapsed .admin-sidebar .sidebar-nav .sidebar-logout > svg {
    flex-shrink: 0;
}

.admin-wrapper.sidebar-collapsed .admin-sidebar .sidebar-nav a > *:not(svg),
.admin-wrapper.sidebar-collapsed .admin-sidebar .sidebar-nav .sidebar-logout > *:not(svg) {
    display: none;
}

/* Tooltip for collapsed nav items */
.admin-wrapper.sidebar-collapsed .admin-sidebar .sidebar-nav a[title],
.admin-wrapper.sidebar-collapsed .admin-sidebar .sidebar-nav .sidebar-logout[title] {
    position: relative;
}

/* Suppress hr visual impact when collapsed */
.admin-wrapper.sidebar-collapsed .admin-sidebar .sidebar-nav hr {
    width: 32px;
    align-self: center;
}

/* No-transition helper used during page load to restore state silently */
.admin-wrapper.no-transition * {
    transition: none !important;
}


/* ════════════════════════════════════════════
   UTILITY ANIMATIONS
   ════════════════════════════════════════════ */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.98); }
    to   { opacity: 1; transform: scale(1); }
}

.login-card { animation: slideUp 0.35s var(--ease-out) both; }

.course-card,
.feature-card,
.stat-card,
.admin-stat-card {
    animation: fadeInUp 0.35s var(--ease-out) both;
}

/* Stagger children */
.row > *:nth-child(1) .course-card,
.row > *:nth-child(1) .feature-card,
.row > *:nth-child(1) .stat-card { animation-delay: 0.04s; }

.row > *:nth-child(2) .course-card,
.row > *:nth-child(2) .feature-card,
.row > *:nth-child(2) .stat-card { animation-delay: 0.09s; }

.row > *:nth-child(3) .course-card,
.row > *:nth-child(3) .feature-card,
.row > *:nth-child(3) .stat-card { animation-delay: 0.14s; }

.row > *:nth-child(4) .course-card,
.row > *:nth-child(4) .feature-card,
.row > *:nth-child(4) .stat-card { animation-delay: 0.19s; }


/* ════════════════════════════════════════════
   DIVIDER
   ════════════════════════════════════════════ */
.divider {
    height: 1px;
    background: var(--border);
    margin: 1.5rem 0;
}


/* ════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════ */
@media (max-width: 768px) {
    .hero { padding: 3.5rem 0 3rem; }
    .hero h1 { font-size: 2rem; }
    .admin-main { padding: 1rem; }
}

@media (max-width: 576px) {
    .hero h1 { font-size: 1.75rem; }
    .hero .lead { font-size: 0.9rem; }
    .chapter-content { padding: 1.5rem; }
    .admin-form-card { padding: 1.25rem; }
}


/* ════════════════════════════════════════════
   SITE MAIN (full-width — left sidebar removed)
   ════════════════════════════════════════════ */
.site-main {
    width: 100%;
    background: var(--bg);
    min-height: calc(100vh - 64px);
}

/* ════════════════════════════════════════════
   COURSES TOP-NAV DROPDOWN (submenu)
   ════════════════════════════════════════════ */
.courses-dropdown-menu {
    min-width: 230px;
    padding: 0.4rem 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    background: var(--surface);
}

.courses-dropdown-all {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--primary) !important;
    font-size: 0.85rem;
}
.courses-dropdown-all:hover {
    background: var(--primary-subtle) !important;
    color: var(--primary) !important;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 0.45rem 1rem;
    transition: all var(--duration) var(--ease);
    font-family: var(--font-sans);
}
.dropdown-item:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}
.dropdown-item.active, .dropdown-item:active {
    background: var(--primary-subtle);
    color: var(--primary);
}

.dropdown-item-icon {
    font-size: 0.8rem;
    flex-shrink: 0;
    opacity: 0.75;
}

/* Nested submenu */
.dropdown-submenu {
    position: relative;
}

.dropdown-submenu-toggle {
    justify-content: space-between;
    gap: 0.5rem;
}

.dropdown-submenu-arrow {
    flex-shrink: 0;
    margin-left: auto;
    color: var(--text-tertiary);
    transition: transform var(--duration) var(--ease);
}

.dropdown-submenu-panel {
    display: none;
    position: absolute;
    top: 0;
    left: 100%;
    min-width: 220px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    background: var(--surface);
    padding: 0.4rem 0;
    z-index: 200;
}

.dropdown-submenu:hover > .dropdown-submenu-panel,
.dropdown-submenu:focus-within > .dropdown-submenu-panel {
    display: block;
    animation: csnFadeIn 0.15s var(--ease-out) both;
}

.dropdown-submenu:hover > .dropdown-submenu-toggle .dropdown-submenu-arrow {
    transform: rotate(0deg);
}

/* On mobile, submenu stacks below instead of flying out */
@media (max-width: 991px) {
    .dropdown-submenu-panel {
        position: static;
        box-shadow: none;
        border: none;
        border-radius: 0;
        border-left: 2px solid var(--border);
        margin-left: 1.5rem;
        padding: 0;
        display: block; /* always visible on mobile */
    }
    .dropdown-submenu-arrow { display: none; }
}


/* csnFadeIn used by dropdown submenu animation */
@keyframes csnFadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}



/* ════════════════════════════════════════════
   QUESTLINK IAS — PUBLIC PAGES
   ════════════════════════════════════════════ */

/* ── Ticker Bar ── */
.ql-ticker-bar {
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    overflow: hidden;
    height: 38px;
    font-size: 0.8rem;
    font-weight: 500;
    gap: 0;
}

.ql-ticker-label {
    background: var(--primary-dark);
    padding: 0 1rem;
    height: 100%;
    display: flex;
    align-items: center;
    white-space: nowrap;
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    flex-shrink: 0;
    border-right: 1px solid rgba(255,255,255,0.15);
}

.ql-ticker-wrap {
    overflow: hidden;
    flex: 1;
    height: 100%;
    display: flex;
    align-items: center;
}

.ql-ticker-track {
    display: flex;
    gap: 0;
    animation: qlTicker 40s linear infinite;
    white-space: nowrap;
}

.ql-ticker-track span {
    padding: 0 2.5rem;
    opacity: 0.92;
    border-right: 1px solid rgba(255,255,255,0.18);
}

@keyframes qlTicker {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}


/* ── Questlink Hero ── */
.ql-hero {
    position: relative;
    background: #fff;
    padding: 5rem 0 4.5rem;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.ql-hero-bg-dots {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(ellipse 80% 60% at 50% -5%, rgba(37,99,235,0.06) 0%, transparent 70%),
        radial-gradient(rgba(37,99,235,0.03) 1px, transparent 1px);
    background-size: 100% 100%, 32px 32px;
    pointer-events: none;
}

.ql-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 780px;
    margin: 0 auto;
}

.ql-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--primary-subtle);
    color: var(--primary);
    border: 1px solid rgba(37,99,235,0.18);
    border-radius: var(--radius-full);
    padding: 0.3rem 1rem;
    font-size: 0.78rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: 0.01em;
}

.ql-hero-quote {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    letter-spacing: -0.03em;
    color: var(--text-primary);
    line-height: 1.15;
    margin-bottom: 0.75rem;
}

.ql-hero-quote span {
    color: var(--primary);
}

.ql-hero-quote-eng {
    font-size: 1rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 1.25rem;
}

.ql-hero-desc {
    color: var(--text-secondary);
    font-size: 0.975rem;
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.8;
}

.ql-btn-ghost {
    background: var(--bg);
    border: 1.5px solid var(--border);
    color: var(--text-primary);
}
.ql-btn-ghost:hover {
    background: var(--bg-secondary);
    border-color: var(--border-strong);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.ql-btn-ghost-dark {
    background: rgba(255,255,255,0.1);
    border: 1.5px solid rgba(255,255,255,0.3);
    color: #fff;
}
.ql-btn-ghost-dark:hover {
    background: rgba(255,255,255,0.2);
    color: #fff;
}


/* ── Shared Section Helpers ── */
.ql-section {
    padding: 4rem 0;
}

.ql-section-header {
    margin-bottom: 2rem;
}


/* ── Approach Cards ── */
.ql-approach-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    height: 100%;
    text-align: center;
    box-shadow: var(--shadow-xs);
    transition: all var(--duration-slow) var(--ease);
}
.ql-approach-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(37,99,235,0.2);
}
.ql-approach-icon {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    display: block;
}
.ql-approach-card h5 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
}
.ql-approach-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}


/* ── Flagship Programmes Section ── */
.ql-programmes-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 5rem 0;
}

.ql-prog-card {
    border-radius: var(--radius-xl);
    padding: 2rem;
    height: 100%;
    position: relative;
    overflow: hidden;
    transition: all var(--duration-slow) var(--ease);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
}
.ql-prog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.ql-prog-blue   { background: #eff6ff; border: 1px solid #bfdbfe; }
.ql-prog-indigo { background: #eef2ff; border: 1px solid #c7d2fe; }
.ql-prog-violet { background: #f5f3ff; border: 1px solid #ddd6fe; }
.ql-prog-teal   { background: #f0fdfa; border: 1px solid #99f6e4; }

.ql-prog-num {
    position: absolute;
    top: 1.25rem;
    right: 1.5rem;
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    opacity: 0.08;
    color: var(--primary-dark);
    line-height: 1;
    pointer-events: none;
}

.ql-prog-body {
    position: relative;
    z-index: 1;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.ql-prog-icon {
    font-size: 2rem;
    margin-bottom: 0.85rem;
}

.ql-prog-card h3 {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 0.6rem;
}

.ql-prog-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.75;
    margin-bottom: 1rem;
}

.ql-prog-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.ql-prog-list li {
    font-size: 0.825rem;
    color: var(--text-secondary);
    padding-left: 1.2rem;
    position: relative;
}
.ql-prog-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.ql-prog-link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    margin-top: auto;
    transition: gap var(--duration) var(--ease);
}
.ql-prog-link:hover {
    color: var(--primary-dark);
    gap: 0.55rem;
}


/* ── GS Subject Grid ── */
.ql-gs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.ql-gs-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 1.5rem 1rem;
    text-align: center;
    text-decoration: none;
    transition: all var(--duration-slow) var(--ease);
    box-shadow: var(--shadow-xs);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}
.ql-gs-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(37,99,235,0.25);
    text-decoration: none;
}

.ql-gs-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.ql-gs-card h6 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--text-primary);
    margin: 0;
}

.ql-gs-card p {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    margin: 0;
    line-height: 1.4;
}


/* ── Mains Strip ── */
.ql-mains-strip {
    background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 50%, #0369a1 100%);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}
.ql-mains-strip::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 30px 30px;
    pointer-events: none;
}

.ql-mains-papers {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
}

.ql-mains-paper {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    text-align: center;
    backdrop-filter: blur(4px);
    transition: background var(--duration) var(--ease);
}
.ql-mains-paper:hover {
    background: rgba(255,255,255,0.14);
}

.ql-mains-paper-tag {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.75);
    border-radius: var(--radius-full);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.2rem 0.6rem;
    margin-bottom: 0.5rem;
}
.ql-mains-paper h6 {
    color: #fff;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1rem;
    margin: 0 0 0.25rem;
}
.ql-mains-paper small {
    color: rgba(255,255,255,0.58);
    font-size: 0.75rem;
}


/* ── CTA Section ── */
.ql-cta-section {
    background: var(--primary-subtle);
    border-top: 1px solid rgba(37,99,235,0.12);
    border-bottom: 1px solid rgba(37,99,235,0.12);
    padding: 5rem 0;
}
.ql-cta-heading {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.75rem;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}
.ql-cta-sub {
    color: var(--text-secondary);
    font-size: 0.975rem;
    line-height: 1.75;
    margin-bottom: 2rem;
}


/* ── Footer — Questlink ── */
.ql-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 3rem 0 0;
}

.ql-footer-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--border);
}

.ql-footer-brand {
    max-width: 280px;
}

.ql-footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.ql-footer-col h6 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-bottom: 0.85rem;
}

.ql-footer-col a {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color var(--duration) var(--ease);
}
.ql-footer-col a:hover {
    color: var(--primary);
}

.ql-footer-bottom {
    padding: 1.25rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.ql-footer-contact {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.ql-footer-contact span {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}


/* ════════════════════════════════════════════
   ABOUT PAGE
   ════════════════════════════════════════════ */

/* ── About Hero ── */
.ql-about-hero {
    position: relative;
    background: #fff;
    padding: 4rem 0 3.5rem;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.ql-about-hero-inner {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.ql-about-hero h1 {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(1.9rem, 4vw, 3rem);
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: 0;
    line-height: 1.2;
}

.ql-text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}


/* ── About Tab Nav ── */
.ql-about-tabs {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 64px;
    z-index: 9;
}

.ql-about-tab-nav {
    display: flex;
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
}
.ql-about-tab-nav::-webkit-scrollbar { display: none; }

.ql-about-tab {
    padding: 0.875rem 1.35rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    transition: all var(--duration) var(--ease);
}
.ql-about-tab:hover {
    color: var(--primary);
    text-decoration: none;
}
.ql-about-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
}


/* ── About Section Spacing ── */
.ql-about-section {
    padding: 5rem 0;
    scroll-margin-top: 110px;
}


/* ── Philosophy Card ── */
.ql-about-graphic {
    display: flex;
    justify-content: center;
}

.ql-philosophy-card {
    background: linear-gradient(135deg, #eff6ff 0%, #e0e7ff 100%);
    border: 1px solid #c7d2fe;
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    max-width: 380px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.ql-philosophy-quote {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary-dark);
    font-family: var(--font-display);
    margin-bottom: 0.35rem;
    line-height: 1.4;
}

.ql-philosophy-attr {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    margin-bottom: 0.85rem;
    font-style: italic;
}

.ql-philosophy-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 1.5rem;
}

.ql-philosophy-pillars {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.ql-pillar {
    background: rgba(255,255,255,0.7);
    border: 1px solid rgba(37,99,235,0.12);
    border-radius: var(--radius-md);
    padding: 0.5rem 0.75rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.ql-philosophy-values {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.ql-value-chip {
    background: var(--primary-subtle);
    color: var(--primary);
    border: 1px solid rgba(37,99,235,0.18);
    border-radius: var(--radius-full);
    padding: 0.3rem 0.85rem;
    font-size: 0.78rem;
    font-weight: 600;
}


/* ── Vision Section ── */
.ql-vision-section {
    background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 55%, #0369a1 100%);
    padding: 5.5rem 0;
    scroll-margin-top: 110px;
    position: relative;
    overflow: hidden;
}
.ql-vision-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
}

.ql-vision-quote {
    border-left: 3px solid rgba(255,255,255,0.35);
    padding: 0.75rem 1.25rem;
    margin: 1.5rem 0 0;
    font-style: italic;
    color: rgba(255,255,255,0.72);
    font-size: 0.9rem;
    line-height: 1.7;
}

.ql-vision-goals {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-xl);
    padding: 1.75rem;
    backdrop-filter: blur(4px);
}

.ql-vision-goals-title {
    color: rgba(255,255,255,0.6);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
}

.ql-vision-goal-item {
    display: flex;
    gap: 0.85rem;
    align-items: flex-start;
    margin-bottom: 1.1rem;
    padding-bottom: 1.1rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.ql-vision-goal-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.ql-vg-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.ql-vision-goal-item strong {
    display: block;
    color: #fff;
    font-size: 0.88rem;
    margin-bottom: 0.2rem;
}
.ql-vision-goal-item p {
    color: rgba(255,255,255,0.6);
    font-size: 0.8rem;
    margin: 0;
    line-height: 1.5;
}


/* ── Team Section ── */
.ql-team-banner {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2rem;
}

.ql-team-banner-inner {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.ql-team-banner-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.ql-team-banner h4 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
}

.ql-team-banner p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin: 0;
}

.ql-team-role-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 1.75rem;
    height: 100%;
    text-align: center;
    box-shadow: var(--shadow-xs);
    transition: all var(--duration-slow) var(--ease);
}
.ql-team-role-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: rgba(37,99,235,0.2);
}

.ql-team-role-icon {
    font-size: 2rem;
    margin-bottom: 0.85rem;
    display: block;
}

.ql-team-role-card h6 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 0.4rem;
}

.ql-team-role-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin: 0;
}


/* ── Careers Section ── */
.ql-careers-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 5.5rem 0;
    scroll-margin-top: 110px;
}

.ql-careers-cta {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
}

.ql-careers-note {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

.ql-careers-roles {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.ql-careers-role-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1.1rem 0;
    border-bottom: 1px solid var(--border);
}
.ql-careers-role-item:first-child {
    border-top: 1px solid var(--border);
}

.ql-careers-role-item > span {
    font-size: 1.35rem;
    flex-shrink: 0;
    margin-top: 0.05rem;
}

.ql-careers-role-item strong {
    display: block;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}

.ql-careers-role-item p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin: 0;
}

.ql-merit-notice {
    background: #fffbeb;
    border: 1px solid rgba(217,119,6,0.25);
    border-radius: var(--radius-md);
    padding: 0.85rem 1.1rem;
    font-size: 0.82rem;
    color: #92400e;
    line-height: 1.6;
    margin-top: 1.25rem;
}


/* ── Contact Strip ── */
.ql-contact-strip {
    padding: 3rem 0 !important;
}

.ql-contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.ql-contact-item {
    display: flex;
    gap: 0.85rem;
    align-items: flex-start;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow-xs);
}

.ql-contact-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.ql-contact-item strong {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
    letter-spacing: -0.005em;
}

.ql-contact-item p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}


/* ════════════════════════════════════════════
   QUESTLINK – RESPONSIVE
   ════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .ql-gs-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .ql-mains-papers {
        grid-template-columns: repeat(3, 1fr);
    }
    .ql-contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .ql-hero { padding: 3.5rem 0 3rem; }
    .ql-gs-grid { grid-template-columns: repeat(2, 1fr); }
    .ql-mains-papers { grid-template-columns: repeat(2, 1fr); }
    .ql-footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .ql-footer-links { grid-template-columns: repeat(2, 1fr); }
    .ql-footer-bottom { flex-direction: column; align-items: flex-start; }
    .ql-footer-contact { flex-direction: column; gap: 0.4rem; }
    .ql-vision-goals { padding: 1.25rem; }
    .ql-team-banner-inner { flex-direction: column; }
    .ql-contact-grid { grid-template-columns: 1fr 1fr; }
    .ql-about-tabs { top: 56px; }
}

@media (max-width: 576px) {
    .ql-gs-grid { grid-template-columns: repeat(2, 1fr); }
    .ql-mains-papers { grid-template-columns: repeat(1, 1fr); }
    .ql-footer-links { grid-template-columns: 1fr; }
    .ql-contact-grid { grid-template-columns: 1fr; }
    .ql-philosophy-pillars { grid-template-columns: 1fr; }
}


/* ════════════════════════════════════════════
   HOME – PROGRAMME TILES GRID
   ════════════════════════════════════════════ */
.ql-tiles-section {
    padding: 3rem 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.ql-tiles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.ql-tile {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
    min-height: 200px;
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    text-decoration: none;
    overflow: hidden;
    transition: transform var(--duration-slow) var(--ease),
                box-shadow var(--duration-slow) var(--ease);
    box-shadow: var(--shadow-sm);
}
.ql-tile:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: var(--shadow-lg);
    text-decoration: none;
}

.ql-tile-icon {
    position: absolute;
    top: 50%;
    right: 1.5rem;
    transform: translateY(-60%);
    opacity: 0.35;
    transition: opacity var(--duration-slow) var(--ease),
                transform var(--duration-slow) var(--ease);
}
.ql-tile:hover .ql-tile-icon {
    opacity: 0.5;
    transform: translateY(-60%) scale(1.08);
}

.ql-tile-label {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
    line-height: 1.3;
    text-shadow: 0 1px 4px rgba(0,0,0,0.18);
    position: relative;
    z-index: 1;
}

.ql-tile-sky    { background: linear-gradient(135deg, #0ea5e9 0%, #2563eb 100%); }
.ql-tile-teal   { background: linear-gradient(135deg, #0d9488 0%, #0891b2 100%); }
.ql-tile-pink   { background: linear-gradient(135deg, #ec4899 0%, #db2777 100%); }
.ql-tile-salmon { background: linear-gradient(135deg, #f87171 0%, #ef4444 100%); }
.ql-tile-amber  { background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); }
.ql-tile-cyan   { background: linear-gradient(135deg, #22d3ee 0%, #0ea5e9 100%); }

@media (max-width: 768px) {
    .ql-tiles-grid { grid-template-columns: repeat(2, 1fr); }
    .ql-tile { min-height: 160px; }
}
@media (max-width: 480px) {
    .ql-tiles-grid { grid-template-columns: 1fr 1fr; gap: 0.65rem; }
    .ql-tile { min-height: 130px; padding: 1rem; }
    .ql-tile-label { font-size: 0.9rem; }
}


/* ════════════════════════════════════════════
   HOME – VIDEOS CORNER
   ════════════════════════════════════════════ */
.ql-videos-section { padding-top: 0; }

.ql-videos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.85rem;
}

.ql-video-thumb {
    display: block;
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-decoration: none;
    box-shadow: var(--shadow-sm);
    transition: transform var(--duration-slow) var(--ease),
                box-shadow var(--duration-slow) var(--ease);
    aspect-ratio: 16/9;
}
.ql-video-thumb:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.ql-video-inner {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 0.65rem 0.75rem;
    min-height: 140px;
}

.ql-video-bg-1 { background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 60%, #1d4ed8 100%); }
.ql-video-bg-2 { background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 60%, #4c1d95 100%); }
.ql-video-bg-3 { background: linear-gradient(135deg, #0f766e 0%, #0d9488 60%, #0891b2 100%); }
.ql-video-bg-4 { background: linear-gradient(135deg, #b91c1c 0%, #dc2626 60%, #991b1b 100%); }
.ql-video-bg-5 { background: linear-gradient(135deg, #c2410c 0%, #ea580c 60%, #f97316 100%); }
.ql-video-bg-6 { background: linear-gradient(135deg, #0369a1 0%, #0ea5e9 60%, #38bdf8 100%); }
.ql-video-bg-7 { background: linear-gradient(135deg, #166534 0%, #16a34a 60%, #22c55e 100%); }
.ql-video-bg-8 { background: linear-gradient(135deg, #9f1239 0%, #be185d 60%, #ec4899 100%); }
.ql-video-bg-9 { background: linear-gradient(135deg, #78350f 0%, #b45309 60%, #f59e0b 100%); }

.ql-video-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 30%, rgba(0,0,0,0.45) 100%);
    pointer-events: none;
}

.ql-video-badge {
    position: relative;
    z-index: 1;
    display: inline-block;
    background: rgba(255,255,255,0.18);
    border: 1px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(4px);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.2rem 0.55rem;
    border-radius: var(--radius-full);
}

.ql-video-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    width: 42px;
    height: 42px;
    background: rgba(255,255,255,0.92);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--duration) var(--ease),
                background var(--duration) var(--ease);
    box-shadow: 0 3px 12px rgba(0,0,0,0.25);
}
.ql-video-play svg { fill: #1e40af; margin-left: 3px; }
.ql-video-thumb:hover .ql-video-play {
    transform: translate(-50%, -50%) scale(1.12);
    background: #fff;
}

.ql-video-meta {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    align-self: flex-end;
    width: 100%;
}

.ql-video-rank {
    font-family: var(--font-display);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
.ql-video-rank strong {
    font-size: 1.2rem;
    display: block;
    line-height: 1;
}

.ql-video-platform {
    font-size: 0.62rem;
    color: rgba(255,255,255,0.75);
    font-weight: 500;
    letter-spacing: 0.02em;
}

@media (max-width: 768px) {
    .ql-videos-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .ql-videos-grid { grid-template-columns: 1fr 1fr; gap: 0.5rem; }
}


/* ════════════════════════════════════════════
   HOME – THREE-COLUMN PANEL
   ════════════════════════════════════════════ */
.ql-panel-section { padding-top: 0; }

.ql-three-panel {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    align-items: start;
}

.ql-panel {
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.ql-panel-head {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 1.1rem;
    flex-shrink: 0;
}
.ql-panel-head-green  { background: #2dbe8e; }
.ql-panel-head-violet { background: #7c3aed; }
.ql-panel-head-pink   { background: #db2777; }

.ql-panel-icon { font-size: 1rem; flex-shrink: 0; }

.ql-panel-title {
    font-family: var(--font-display);
    font-size: 0.88rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.01em;
    flex: 1;
}

.ql-panel-body {
    flex: 1;
    padding: 1rem 1.1rem;
    overflow-y: auto;
    max-height: 380px;
}
.ql-panel-body::-webkit-scrollbar { width: 3px; }
.ql-panel-body::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 9px; }

.ql-panel-footer {
    padding: 0.85rem 1.1rem;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* Quiz */
.ql-quiz-dots { display: flex; gap: 0.3rem; margin-left: auto; }
.ql-quiz-dot {
    width: 22px; height: 22px;
    border-radius: 50%;
    background: rgba(255,255,255,0.25);
    border: 1.5px solid rgba(255,255,255,0.6);
    color: #fff;
    font-size: 0.65rem; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: background var(--duration) var(--ease);
}
.ql-quiz-dot.active { background: rgba(255,255,255,0.9); color: #2dbe8e; }

.ql-quiz-q {
    font-size: 0.85rem; color: var(--text-primary);
    font-weight: 500; margin-bottom: 0.75rem; line-height: 1.6;
}

.ql-quiz-list {
    font-size: 0.82rem; color: var(--text-secondary);
    line-height: 1.65; padding-left: 1.2rem; margin-bottom: 1rem;
}
.ql-quiz-list li { margin-bottom: 0.3rem; }

.ql-quiz-options { display: flex; flex-direction: column; gap: 0.5rem; }
.ql-quiz-option {
    display: flex; align-items: flex-start; gap: 0.5rem;
    font-size: 0.8rem; color: var(--text-secondary);
    cursor: pointer; line-height: 1.5;
}
.ql-quiz-option input[type="radio"] { margin-top: 0.2rem; flex-shrink: 0; accent-color: var(--primary); }
.ql-quiz-option span.correct { color: var(--success); font-weight: 600; }

.ql-quiz-nav { display: flex; gap: 0.4rem; }

/* Current Affairs */
.ql-ca-item { padding: 0.75rem 0; border-bottom: 1px solid var(--border); }
.ql-ca-item:last-child { border-bottom: none; }

.ql-ca-tag {
    display: inline-block;
    font-size: 0.6rem; font-weight: 700;
    letter-spacing: 0.06em; text-transform: uppercase;
    padding: 0.18rem 0.55rem; border-radius: var(--radius-full);
    margin-bottom: 0.35rem;
}
.ql-ca-tag-red   { background: #fee2e2; color: #b91c1c; }
.ql-ca-tag-blue  { background: #dbeafe; color: #1d4ed8; }
.ql-ca-tag-green { background: #dcfce7; color: #16a34a; }

.ql-ca-link {
    display: block; font-size: 0.85rem; font-weight: 600;
    color: var(--primary); text-decoration: none;
    line-height: 1.45; margin-bottom: 0.3rem;
    transition: color var(--duration) var(--ease);
}
.ql-ca-link:hover { color: var(--primary-dark); text-decoration: underline; }

.ql-ca-date { font-size: 0.72rem; color: var(--text-tertiary); font-weight: 500; }

/* What's New */
.ql-wn-item { padding: 0.6rem 0; border-bottom: 1px solid var(--border); }
.ql-wn-item:last-child { border-bottom: none; }

.ql-wn-date { font-size: 0.7rem; color: var(--text-tertiary); font-weight: 500; margin-bottom: 0.2rem; }

.ql-wn-link {
    display: block; font-size: 0.83rem; font-weight: 500;
    color: var(--primary); font-style: italic;
    text-decoration: none; line-height: 1.45;
    transition: color var(--duration) var(--ease);
}
.ql-wn-link:hover { color: var(--primary-dark); text-decoration: underline; }

@media (max-width: 991px) {
    .ql-three-panel { grid-template-columns: 1fr 1fr; }
    .ql-panel-quiz { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
    .ql-three-panel { grid-template-columns: 1fr; }
    .ql-panel-quiz { grid-column: auto; }
    .ql-tiles-section { padding: 2rem 0; }
}


/* ============================================================
   QUESTLINK IAS – STUDY-MATERIAL REDESIGN (v2)
   Professional, scholarly, authoritative — UPSC portal style
   ============================================================ */

:root {
    --navy:         #1a2744;
    --navy-dark:    #0f1a2e;
    --navy-mid:     #243158;
    --navy-light:   #2d3f6b;
    --sand:         #faf8f3;
    --sand-dark:    #f2ede3;
    --sand-border:  #e8e0d0;
    --ink:          #1a1a2e;
    --rust:         #b45309;
    --gold:         #c9960a;
    --font-serif:   'Lora', Georgia, 'Times New Roman', serif;
}

/* ── Ticker v2 ── */
.ql-ticker-bar {
    background: var(--navy-dark);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.ql-ticker-label {
    background: var(--navy);
    border-right-color: rgba(255,255,255,0.12);
    letter-spacing: 0.08em;
}
.ql-ticker-track span {
    border-right-color: rgba(255,255,255,0.1);
}

/* ── Study Hero ── */
.ql-study-hero {
    position: relative;
    background: linear-gradient(135deg, #070e1c 0%, #0d1830 40%, #0f1d35 70%, #091525 100%);
    padding: 5.5rem 0 5rem;
    overflow: hidden;
    border-bottom: 3px solid var(--gold);
}
.ql-study-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 15% 50%, rgba(37,99,235,0.12) 0%, transparent 70%),
        radial-gradient(ellipse 40% 60% at 85% 20%, rgba(201,150,10,0.07) 0%, transparent 60%),
        repeating-linear-gradient(
            -45deg,
            transparent,
            transparent 40px,
            rgba(255,255,255,0.012) 40px,
            rgba(255,255,255,0.012) 41px
        );
    pointer-events: none;
    animation: heroGlow 8s ease-in-out infinite alternate;
}
@keyframes heroGlow {
    from { opacity: 0.7; }
    to   { opacity: 1; }
}
.ql-study-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, rgba(201,150,10,0.3) 20%, var(--gold) 50%, rgba(201,150,10,0.3) 80%, transparent 100%);
    animation: goldLine 4s ease-in-out infinite alternate;
}
@keyframes goldLine {
    from { opacity: 0.5; transform: scaleX(0.9); }
    to   { opacity: 1;   transform: scaleX(1); }
}
.ql-study-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 820px;
    margin: 0 auto;
    padding: 0 1.5rem;
    text-align: left;
}
.ql-study-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 2px;
    padding: 0.3rem 1rem;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.55);
    margin-bottom: 2rem;
    backdrop-filter: blur(4px);
    transition: background 0.2s ease, border-color 0.2s ease;
}
.ql-study-hero-eyebrow:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(201,150,10,0.4);
}
.ql-study-hero-eyebrow span {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--gold);
    display: inline-block;
    box-shadow: 0 0 6px rgba(201,150,10,0.6);
    animation: pulseDot 2s ease-in-out infinite;
}
@keyframes pulseDot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.4); opacity: 0.7; }
}
.ql-study-hero-motto {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: clamp(1.9rem, 3.8vw, 3rem);
    color: #fff;
    line-height: 1.2;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
    text-shadow: 0 2px 24px rgba(0,0,0,0.5);
}
.ql-study-hero-motto em {
    font-style: italic;
    color: #e8c97a;
    text-shadow: 0 0 30px rgba(232,201,122,0.4);
}
.ql-study-hero-tagline {
    font-family: var(--font-serif);
    font-size: 0.98rem;
    color: rgba(255,255,255,0.45);
    font-style: italic;
    margin-bottom: 1.5rem;
    letter-spacing: 0.01em;
    border-left: 2px solid rgba(201,150,10,0.4);
    padding-left: 0.8rem;
}
.ql-study-hero-desc {
    color: rgba(255,255,255,0.62);
    font-size: 0.9rem;
    max-width: 100%;
    margin: 0 0 2rem;
    line-height: 1.9;
    font-family: var(--font-sans);
}
.ql-study-hero-actions {
    display: flex;
    gap: 0.85rem;
    flex-wrap: wrap;
}
.ql-btn-navy {
    background: var(--gold);
    border: 1px solid var(--gold);
    color: var(--navy-dark);
    font-weight: 700;
    font-family: var(--font-sans);
    padding: 0.7rem 1.75rem;
    border-radius: 4px;
    text-decoration: none;
    font-size: 0.88rem;
    letter-spacing: 0.03em;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    box-shadow: 0 2px 12px rgba(201,150,10,0.3), 0 0 0 0 rgba(201,150,10,0);
}
.ql-btn-navy:hover {
    background: #dba80e;
    border-color: #dba80e;
    color: var(--navy-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(201,150,10,0.5), 0 0 0 3px rgba(201,150,10,0.12);
}
.ql-btn-outline-white {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.35);
    color: rgba(255,255,255,0.85);
    font-weight: 600;
    font-family: var(--font-sans);
    padding: 0.7rem 1.75rem;
    border-radius: 2px;
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    transition: all 0.18s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}
.ql-btn-outline-white:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.6);
    color: #fff;
    transform: translateY(-1px);
}

/* ── Trust Strip ── */
.ql-trust-strip {
    background: var(--sand);
    border-bottom: 1px solid var(--sand-border);
    padding: 0.75rem 0;
}
.ql-trust-items {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    flex-wrap: wrap;
}
.ql-trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--navy);
    letter-spacing: 0.01em;
}
.ql-trust-item svg {
    color: var(--gold);
    flex-shrink: 0;
}
.ql-trust-divider {
    width: 1px;
    height: 16px;
    background: var(--sand-border);
}

/* ── Shared v2 Section ── */
.ql-v2-section {
    padding: 5rem 0;
}
.ql-v2-section-sand {
    padding: 5rem 0;
    background: var(--sand);
    border-top: 1px solid var(--sand-border);
    border-bottom: 1px solid var(--sand-border);
}
.ql-v2-section-navy {
    padding: 5rem 0;
    background: var(--navy-dark);
}
.ql-v2-section-mid {
    padding: 5rem 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.ql-section-eyebrow {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--rust);
    display: block;
    margin-bottom: 0.6rem;
}
.ql-section-eyebrow-light {
    color: rgba(255,255,255,0.45);
}
.ql-section-rule {
    width: 36px;
    height: 2px;
    background: var(--gold);
    margin: 0.75rem 0 1.5rem;
    border: none;
    display: block;
}
.ql-section-rule-center {
    margin: 0.75rem auto 1.5rem;
}
.ql-v2-heading {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.75rem;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 0;
}
.ql-v2-heading-dark {
    color: #fff;
}
.ql-v2-subheading {
    color: var(--text-secondary);
    font-size: 0.94rem;
    line-height: 1.8;
    margin-top: 0.75rem;
}
.ql-v2-subheading-light {
    color: rgba(255,255,255,0.6);
}

/* ── Why Cards (3 horizontal) ── */
.ql-why-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 0;
    border: 1px solid var(--sand-border);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 3rem;
}
.ql-why-card {
    padding: 2rem 1.75rem;
    background: var(--sand);
    border-right: 1px solid var(--sand-border);
    transition: background 0.2s ease;
}
.ql-why-card:last-child { border-right: none; }
.ql-why-card:hover { background: #fff; }
.ql-why-num {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--sand-border);
    line-height: 1;
    margin-bottom: 0.5rem;
    display: block;
}
.ql-why-card h5 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 0.6rem;
    letter-spacing: -0.01em;
}
.ql-why-card p {
    font-size: 0.86rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin: 0;
}

/* ── Programme Rows (table-style) ── */
.ql-prog-table {
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 2.5rem;
}
.ql-prog-row {
    display: grid;
    grid-template-columns: 56px 1fr auto;
    align-items: center;
    padding: 1.5rem 1.75rem;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    gap: 1.5rem;
    transition: background 0.18s ease;
    text-decoration: none;
}
.ql-prog-row:last-child { border-bottom: none; }
.ql-prog-row:hover { background: var(--primary-subtle); text-decoration: none; }
.ql-prog-row-num {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    text-align: center;
    opacity: 0.45;
}
.ql-prog-row-body { flex: 1; min-width: 0; }
.ql-prog-row-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
    color: var(--navy);
    margin-bottom: 0.3rem;
}
.ql-prog-row-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}
.ql-prog-row-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}
.ql-prog-tag {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: 2px;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 0.18rem 0.55rem;
    text-transform: uppercase;
}
.ql-prog-row-action {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--primary);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    flex-shrink: 0;
    transition: gap 0.18s ease;
}
.ql-prog-row:hover .ql-prog-row-action { gap: 0.55rem; }

/* ── Programme Slideshow ── */
.ql-prog-slideshow {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0;
    margin-top: 2.5rem;
}
.ql-prog-slide-track {
    flex: 1;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 4px;
    min-height: 340px;
}
.ql-prog-slide {
    position: absolute;
    inset: 0;
    display: none;
    transition: transform 0.42s cubic-bezier(0.4,0,0.2,1);
}
.ql-prog-slide.ql-prog-slide-visible {
    display: block;
}
/* make the inner .ql-prog-row fill the slide */
.ql-prog-slide .ql-prog-row {
    border-bottom: none;
    height: 100%;
}
/* Nav buttons */
.ql-prog-slide-btn {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1.5px solid var(--border);
    background: var(--surface);
    color: var(--primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
    box-shadow: var(--shadow-sm);
    z-index: 2;
}
.ql-prog-slide-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    box-shadow: var(--shadow-md);
    transform: scale(1.08);
}
.ql-prog-slide-btn:active { transform: scale(0.96); }
.ql-prog-slide-prev { margin-right: 0.75rem; }
.ql-prog-slide-next { margin-left:  0.75rem; }
/* Dot indicators */
.ql-prog-slide-dots {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}
.ql-prog-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    background: var(--border-strong);
    cursor: pointer;
    padding: 0;
    transition: background 0.2s ease, transform 0.2s ease;
}
.ql-prog-dot.active {
    background: var(--primary);
    transform: scale(1.35);
}
.ql-prog-dot:hover:not(.active) { background: var(--primary-light); }

/* ── GS Subjects Grid v2 ── */
.ql-gs-v2-grid {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 0;
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 2.5rem;
}
.ql-gs-v2-card {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 1.1rem 1.2rem;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    background: var(--surface);
    transition: background 0.18s ease, color 0.18s ease;
}
.ql-gs-v2-card:nth-child(4n) { border-right: none; }
.ql-gs-v2-card:nth-last-child(-n+4) { border-bottom: none; }
.ql-gs-v2-card:hover { background: var(--primary-subtle); text-decoration: none; }
.ql-gs-v2-initial {
    width: 38px;
    height: 38px;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1rem;
    color: var(--navy);
    background: var(--sand);
    border: 1px solid var(--sand-border);
    flex-shrink: 0;
    letter-spacing: -0.01em;
}
.ql-gs-v2-card:hover .ql-gs-v2-initial {
    background: rgba(37,99,235,0.08);
    border-color: rgba(37,99,235,0.2);
    color: var(--primary);
}
.ql-gs-v2-label { min-width: 0; }
.ql-gs-v2-label strong {
    display: block;
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.ql-gs-v2-label span {
    font-size: 0.73rem;
    color: var(--text-tertiary);
    display: block;
    margin-top: 0.1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ── Mains Table Strip v2 ── */
.ql-mains-v2 {
    background: var(--navy-dark);
    border-top: 2px solid var(--gold);
    padding: 4.5rem 0;
}
.ql-mains-v2-header {
    text-align: center;
    margin-bottom: 2.5rem;
}
.ql-mains-v2-table {
    display: grid;
    grid-template-columns: repeat(5,1fr);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 3px;
    overflow: hidden;
}
.ql-mains-v2-cell {
    padding: 1.5rem 1rem;
    text-align: center;
    border-right: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.03);
    transition: background 0.18s ease;
}
.ql-mains-v2-cell:last-child { border-right: none; }
.ql-mains-v2-cell:hover { background: rgba(255,255,255,0.07); }
.ql-mains-v2-tag {
    display: inline-block;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gold);
    border: 1px solid rgba(201,150,10,0.4);
    border-radius: 2px;
    padding: 0.18rem 0.55rem;
    margin-bottom: 0.65rem;
}
.ql-mains-v2-cell h6 {
    font-family: var(--font-display);
    color: #fff;
    font-size: 1rem;
    font-weight: 800;
    margin: 0 0 0.3rem;
    letter-spacing: -0.01em;
}
.ql-mains-v2-cell small {
    color: rgba(255,255,255,0.45);
    font-size: 0.73rem;
    line-height: 1.4;
    display: block;
}

/* ── Stats Row v2 ── */
.ql-stats-v2 {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 3rem;
}
.ql-stat-v2-cell {
    padding: 2rem 1.5rem;
    text-align: center;
    border-right: 1px solid var(--border);
    background: var(--surface);
    transition: background 0.18s ease;
}
.ql-stat-v2-cell:last-child { border-right: none; }
.ql-stat-v2-cell:hover { background: var(--sand); }
.ql-stat-v2-val {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--navy);
    line-height: 1;
    margin-bottom: 0.4rem;
    display: block;
}
.ql-stat-v2-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
    text-transform: uppercase;
    display: block;
}

/* ── Video Grid v2 ── */
.ql-vid-v2-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 2.5rem;
}
.ql-vid-v2-card {
    display: block;
    text-decoration: none;
    background: var(--surface);
    padding: 1.1rem 1.25rem;
    transition: background 0.18s ease;
    position: relative;
}
.ql-vid-v2-card:hover { background: var(--primary-subtle); text-decoration: none; }
.ql-vid-v2-badge {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    display: block;
    margin-bottom: 0.4rem;
}
.ql-vid-v2-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.45;
    margin-bottom: 0.35rem;
}
.ql-vid-v2-rank {
    font-family: var(--font-serif);
    font-size: 0.78rem;
    color: var(--primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}
.ql-vid-v2-rank::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--gold);
    display: inline-block;
    flex-shrink: 0;
}

/* ── Panels v2 ── */
.ql-panels-v2-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 1rem;
    align-items: start;
    margin-top: 2rem;
}
.ql-panel-v2 {
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.ql-panel-v2:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.12);
    border-color: rgba(201,150,10,0.3);
}
.ql-panel-v2-head {
    padding: 0.85rem 1.1rem;
    background: linear-gradient(135deg, rgba(26,39,68,0.95) 0%, rgba(15,26,46,0.9) 100%);
    border-bottom: 1px solid rgba(201,150,10,0.25);
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}
.ql-panel-v2-head::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(201,150,10,0.5), transparent);
}
.ql-panel-v2-icon {
    font-size: 1rem;
    flex-shrink: 0;
    filter: drop-shadow(0 0 4px rgba(201,150,10,0.5));
}
.ql-panel-v2-title {
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 700;
    color: rgba(255,255,255,0.92);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    flex: 1;
}
.ql-panel-v2-body {
    flex: 1;
    padding: 0.25rem 0;
    max-height: 340px;
    overflow-y: auto;
}
.ql-panel-v2-body::-webkit-scrollbar { width: 3px; }
.ql-panel-v2-body::-webkit-scrollbar-track { background: transparent; }
.ql-panel-v2-body::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 9px; }
.ql-panel-v2-foot {
    padding: 0.7rem 1.1rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    background: rgba(0,0,0,0.2);
    flex-shrink: 0;
}
/* Quiz items */
.ql-pv2-quiz-q {
    font-size: 0.84rem;
    color: rgba(255,255,255,0.88);
    font-weight: 500;
    line-height: 1.7;
    padding: 1rem 1.1rem 0.5rem;
}
.ql-pv2-quiz-stmts {
    font-size: 0.79rem;
    color: rgba(255,255,255,0.58);
    padding: 0 1.1rem 0.75rem 2rem;
    line-height: 1.7;
}
.ql-pv2-quiz-opts {
    padding: 0 1.1rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.ql-pv2-quiz-opt {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.79rem;
    color: rgba(255,255,255,0.6);
    cursor: pointer;
    line-height: 1.5;
    padding: 0.4rem 0.6rem;
    border-radius: 5px;
    border: 1px solid transparent;
    transition: all 0.15s ease;
}
.ql-pv2-quiz-opt:hover {
    background: rgba(255,255,255,0.07);
    border-color: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.85);
}
.ql-pv2-quiz-opt input[type=radio] { margin-top: 0.2rem; flex-shrink: 0; accent-color: #e8c97a; }
.ql-pv2-quiz-opt.correct-opt span { color: #6ee7b7; font-weight: 600; }
/* CA items */
.ql-pv2-ca-item {
    padding: 0.8rem 1.1rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: background 0.15s ease;
}
.ql-pv2-ca-item:last-child { border-bottom: none; }
.ql-pv2-ca-item:hover { background: rgba(255,255,255,0.05); }
.ql-pv2-ca-tag {
    display: inline-block;
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.18rem 0.55rem;
    border-radius: 3px;
    margin-bottom: 0.3rem;
}
.ql-pv2-ca-tag-red   { background: rgba(239,68,68,0.15); color: #fca5a5; border: 1px solid rgba(239,68,68,0.25); }
.ql-pv2-ca-tag-blue  { background: rgba(59,130,246,0.15); color: #93c5fd; border: 1px solid rgba(59,130,246,0.25); }
.ql-pv2-ca-tag-green { background: rgba(34,197,94,0.15); color: #86efac; border: 1px solid rgba(34,197,94,0.25); }
.ql-pv2-ca-link {
    display: block;
    font-size: 0.84rem;
    font-weight: 600;
    color: rgba(255,255,255,0.82);
    line-height: 1.5;
    text-decoration: none;
    margin-bottom: 0.25rem;
    transition: color 0.15s ease;
}
.ql-pv2-ca-link:hover { color: #e8c97a; }
.ql-pv2-ca-date { font-size: 0.68rem; color: rgba(255,255,255,0.32); }
/* What's new items */
.ql-pv2-wn-item {
    padding: 0.7rem 1.1rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: background 0.15s ease;
    position: relative;
}
.ql-pv2-wn-item:last-child { border-bottom: none; }
.ql-pv2-wn-item:hover { background: rgba(255,255,255,0.05); }
.ql-pv2-wn-item:hover::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gold);
    border-radius: 0 1px 1px 0;
}
.ql-pv2-wn-date { font-size: 0.66rem; color: rgba(255,255,255,0.3); font-weight: 500; margin-bottom: 0.18rem; letter-spacing: 0.03em; }
.ql-pv2-wn-link {
    display: block;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.75);
    font-weight: 500;
    text-decoration: none;
    line-height: 1.45;
    transition: color 0.15s ease;
}
.ql-pv2-wn-link:hover { color: #e8c97a; }

/* ── CTA Band v2 ── */
.ql-cta-v2 {
    background: var(--navy);
    padding: 4.5rem 0;
    border-top: 3px solid var(--gold);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.ql-cta-v2::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        -45deg,
        transparent, transparent 30px,
        rgba(255,255,255,0.015) 30px,
        rgba(255,255,255,0.015) 31px
    );
    pointer-events: none;
}
.ql-cta-v2-inner { position: relative; z-index: 1; }
.ql-cta-v2-heading {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.8rem;
    color: #fff;
    letter-spacing: -0.01em;
    margin-bottom: 0.65rem;
    line-height: 1.3;
}
.ql-cta-v2-sub {
    color: rgba(255,255,255,0.6);
    font-size: 0.94rem;
    line-height: 1.75;
    max-width: 520px;
    margin: 0 auto 2rem;
}
.ql-cta-v2-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ── About Page v2 ── */
.ql-about-v2-hero {
    background: var(--navy-dark);
    padding: 4.5rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 3px solid var(--gold);
}
.ql-about-v2-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        -45deg,
        transparent, transparent 30px,
        rgba(255,255,255,0.015) 30px,
        rgba(255,255,255,0.015) 31px
    );
    pointer-events: none;
}
.ql-about-v2-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 680px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
.ql-about-breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.4);
    margin-bottom: 1.5rem;
    letter-spacing: 0.03em;
}
.ql-about-breadcrumb a { color: rgba(255,255,255,0.55); text-decoration: none; }
.ql-about-breadcrumb a:hover { color: rgba(255,255,255,0.85); }
.ql-about-v2-hero h1 {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    color: #fff;
    margin-bottom: 0.65rem;
    line-height: 1.25;
    letter-spacing: -0.01em;
}
.ql-about-v2-hero p {
    color: rgba(255,255,255,0.58);
    font-size: 0.92rem;
    max-width: 540px;
    margin: 0 auto;
    line-height: 1.8;
}

/* About tab nav v2 */
.ql-about-v2-tabs {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 64px;
    z-index: 9;
}
.ql-about-v2-tab-nav {
    display: flex;
    overflow-x: auto;
    scrollbar-width: none;
}
.ql-about-v2-tab-nav::-webkit-scrollbar { display: none; }
.ql-about-v2-tab {
    padding: 0.85rem 1.5rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    font-size: 0.73rem;
    transition: all 0.18s ease;
}
.ql-about-v2-tab:hover { color: var(--navy); text-decoration: none; }
.ql-about-v2-tab.active {
    color: var(--navy);
    border-bottom-color: var(--gold);
    font-weight: 700;
}

/* About philosophy v2 */
.ql-philosophy-v2-quote {
    border-left: 4px solid var(--gold);
    padding: 1.5rem 2rem;
    background: var(--sand);
    border-radius: 0 4px 4px 0;
    margin-bottom: 2rem;
}
.ql-philosophy-v2-quote .ql-quote-text {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--navy);
    line-height: 1.45;
    margin-bottom: 0.4rem;
    font-style: italic;
}
.ql-philosophy-v2-quote .ql-quote-attr {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    font-style: normal;
    letter-spacing: 0.04em;
}
.ql-philosophy-v2-quote .ql-quote-eng {
    font-size: 0.88rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 0.65rem;
    line-height: 1.65;
}
.ql-pillars-v2-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border: 1px solid var(--sand-border);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 2rem;
}
.ql-pillar-v2 {
    padding: 1.5rem;
    background: var(--sand);
    border-right: 1px solid var(--sand-border);
    border-bottom: 1px solid var(--sand-border);
}
.ql-pillar-v2:nth-child(2n) { border-right: none; }
.ql-pillar-v2:nth-child(3), .ql-pillar-v2:nth-child(4) { border-bottom: none; }
.ql-pillar-v2-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--rust);
    display: block;
    margin-bottom: 0.35rem;
}
.ql-pillar-v2-title {
    font-family: var(--font-display);
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--navy);
    line-height: 1.3;
}
.ql-value-chips-v2 {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}
.ql-value-chip-v2 {
    background: var(--navy);
    color: rgba(255,255,255,0.85);
    border-radius: 2px;
    padding: 0.28rem 0.8rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* Vision v2 */
.ql-vision-v2-section {
    background: var(--sand);
    padding: 5rem 0;
    border-top: 1px solid var(--sand-border);
    border-bottom: 1px solid var(--sand-border);
    scroll-margin-top: 110px;
}
.ql-vision-v2-list {
    margin-top: 2.5rem;
    border: 1px solid var(--sand-border);
    border-radius: 4px;
    overflow: hidden;
}
.ql-vision-v2-item {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 1.25rem;
    padding: 1.5rem 1.75rem;
    border-bottom: 1px solid var(--sand-border);
    background: var(--sand);
    align-items: start;
    transition: background 0.18s ease;
}
.ql-vision-v2-item:last-child { border-bottom: none; }
.ql-vision-v2-item:hover { background: #fff; }
.ql-vision-v2-num {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
    padding-top: 0.1rem;
    text-align: center;
}
.ql-vision-v2-item strong {
    display: block;
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 0.3rem;
    font-family: var(--font-display);
}
.ql-vision-v2-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.65;
}
.ql-vision-v2-blockquote {
    border-left: 4px solid var(--gold);
    padding: 1.25rem 1.75rem;
    background: var(--navy-dark);
    border-radius: 0 4px 4px 0;
    margin-top: 2.5rem;
}
.ql-vision-v2-blockquote p {
    font-family: var(--font-serif);
    font-style: italic;
    color: rgba(255,255,255,0.72);
    font-size: 0.95rem;
    line-height: 1.75;
    margin: 0;
}

/* Team v2 */
.ql-team-v2-section {
    padding: 5rem 0;
    scroll-margin-top: 110px;
}
.ql-team-v2-banner {
    background: var(--navy);
    border-radius: 4px;
    padding: 2rem 2.25rem;
    margin-bottom: 2.5rem;
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}
.ql-team-v2-banner-text h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    color: #fff;
    margin-bottom: 0.4rem;
    font-weight: 700;
}
.ql-team-v2-banner-text p {
    font-size: 0.87rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.75;
    margin: 0;
}
.ql-team-v2-icon {
    font-size: 2.2rem;
    flex-shrink: 0;
    margin-top: 0.1rem;
}
.ql-team-v2-roles {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 0;
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
}
.ql-team-v2-role {
    padding: 1.75rem;
    border-right: 1px solid var(--border);
    background: var(--surface);
    transition: background 0.18s ease;
}
.ql-team-v2-role:last-child { border-right: none; }
.ql-team-v2-role:hover { background: var(--sand); }
.ql-team-v2-role-num {
    font-family: var(--font-serif);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--rust);
    display: block;
    margin-bottom: 0.65rem;
    text-transform: uppercase;
}
.ql-team-v2-role h6 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--navy);
    margin-bottom: 0.4rem;
    letter-spacing: -0.01em;
}
.ql-team-v2-role p {
    font-size: 0.84rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin: 0;
}

/* Careers v2 */
.ql-careers-v2-section {
    background: var(--sand);
    border-top: 1px solid var(--sand-border);
    border-bottom: 1px solid var(--sand-border);
    padding: 5rem 0;
    scroll-margin-top: 110px;
}
.ql-careers-v2-roles {
    border: 1px solid var(--sand-border);
    border-radius: 4px;
    overflow: hidden;
}
.ql-careers-v2-role {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--sand-border);
    background: var(--sand);
    gap: 1rem;
    transition: background 0.18s ease;
}
.ql-careers-v2-role:last-child { border-bottom: none; }
.ql-careers-v2-role:hover { background: #fff; }
.ql-careers-v2-role strong {
    display: block;
    font-size: 0.9rem;
    color: var(--navy);
    font-family: var(--font-display);
    font-weight: 700;
    margin-bottom: 0.2rem;
}
.ql-careers-v2-role p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin: 0;
}
.ql-careers-v2-badge {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    background: var(--navy);
    color: rgba(255,255,255,0.8);
    border-radius: 2px;
    padding: 0.25rem 0.65rem;
    white-space: nowrap;
    flex-shrink: 0;
}
.ql-merit-v2 {
    background: #fffbeb;
    border: 1px solid rgba(180,83,9,0.2);
    border-radius: 3px;
    padding: 0.85rem 1.1rem;
    font-size: 0.82rem;
    color: #78350f;
    line-height: 1.6;
    margin-top: 1.25rem;
}

/* Contact strip v2 */
.ql-contact-v2-strip {
    background: var(--navy-dark);
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 3rem 0;
}
.ql-contact-v2-grid {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 0;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 4px;
    overflow: hidden;
}
.ql-contact-v2-item {
    padding: 1.5rem;
    border-right: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.03);
    transition: background 0.18s ease;
}
.ql-contact-v2-item:last-child { border-right: none; }
.ql-contact-v2-item:hover { background: rgba(255,255,255,0.06); }
.ql-contact-v2-label {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold);
    display: block;
    margin-bottom: 0.4rem;
}
.ql-contact-v2-val {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.72);
    line-height: 1.5;
}
.ql-contact-v2-val a {
    color: rgba(255,255,255,0.72);
    text-decoration: none;
}
.ql-contact-v2-val a:hover { color: #fff; }

/* ── Responsive overrides v2 ── */
@media (max-width: 1024px) {
    .ql-gs-v2-grid { grid-template-columns: repeat(4,1fr); }
    .ql-mains-v2-table { grid-template-columns: repeat(3,1fr); }
    .ql-contact-v2-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 991px) {
    .ql-panels-v2-grid { grid-template-columns: 1fr 1fr; }
    .ql-team-v2-roles { grid-template-columns: 1fr 1fr; }
    .ql-prog-row { grid-template-columns: 44px 1fr auto; gap: 1rem; padding: 1.25rem 1.25rem; }
}
@media (max-width: 768px) {
    .ql-study-hero { padding: 4rem 0 3.5rem; }

    /* Hero: stack columns, text section at 90% width */
    .ql-study-hero .row { flex-direction: column; align-items: center; }
    .ql-study-hero .col-4 {
        width: 90%;
        max-width: 90%;
        flex: 0 0 90%;
    }
    .ql-study-hero .col-8 {
        width: 100%;
        max-width: 100%;
        flex: 0 0 100%;
        margin-top: 2rem;
    }

    .ql-why-grid { grid-template-columns: 1fr; }
    .ql-why-card { border-right: none; border-bottom: 1px solid var(--sand-border); }
    .ql-why-card:last-child { border-bottom: none; }
    .ql-gs-v2-grid { grid-template-columns: repeat(2,1fr); }
    .ql-gs-v2-card:nth-child(2n) { border-right: none; }
    .ql-gs-v2-card:nth-last-child(-n+2) { border-bottom: none; }
    .ql-gs-v2-card:nth-last-child(-n+4) { border-bottom: 1px solid var(--border); }
    .ql-mains-v2-table { grid-template-columns: repeat(2,1fr); }
    .ql-stats-v2 { grid-template-columns: repeat(2,1fr); }
    .ql-stat-v2-cell:nth-child(2n) { border-right: none; }
    .ql-stat-v2-cell:nth-child(n+3) { border-top: 1px solid var(--border); }
    .ql-vid-v2-grid { grid-template-columns: repeat(2,1fr); }
    .ql-panels-v2-grid { grid-template-columns: 1fr; }
    .ql-prog-row { grid-template-columns: 1fr; gap: 0.5rem; }
    .ql-prog-row-num { display: none; }
    .ql-pillars-v2-grid { grid-template-columns: 1fr; }
    .ql-pillar-v2:nth-child(2n) { border-right: none; }
    .ql-pillar-v2 { border-bottom: 1px solid var(--sand-border) !important; }
    .ql-pillar-v2:last-child { border-bottom: none !important; }
    .ql-team-v2-roles { grid-template-columns: 1fr; }
    .ql-team-v2-role { border-right: none; border-bottom: 1px solid var(--border); }
    .ql-team-v2-role:last-child { border-bottom: none; }
    .ql-contact-v2-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 576px) {
    /* GS grid: 2-col, compact, text wraps */
    .ql-gs-v2-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .ql-gs-v2-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.55rem;
        padding: 0.85rem 0.9rem;
    }
    /* Reset base border rules then apply 2-col rules */
    .ql-gs-v2-card:nth-child(4n)       { border-right: 1px solid var(--border); }
    .ql-gs-v2-card:nth-last-child(-n+4) { border-bottom: 1px solid var(--border); }
    .ql-gs-v2-card:nth-child(2n)        { border-right: none; }
    .ql-gs-v2-card:nth-last-child(-n+2) { border-bottom: none; }
    .ql-gs-v2-label strong {
        font-size: 0.78rem;
        white-space: normal;
    }
    .ql-gs-v2-label span {
        font-size: 0.68rem;
        white-space: normal;
    }
    .ql-gs-v2-initial {
        width: 32px;
        height: 32px;
        font-size: 0.85rem;
    }

    .ql-mains-v2-table { grid-template-columns: 1fr; }
    .ql-mains-v2-cell { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); }
    .ql-mains-v2-cell:last-child { border-bottom: none; }
    .ql-vid-v2-grid { grid-template-columns: 1fr; }
    .ql-contact-v2-grid { grid-template-columns: 1fr; }
    .ql-contact-v2-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); }
    .ql-contact-v2-item:last-child { border-bottom: none; }
    .ql-vision-v2-item { grid-template-columns: 36px 1fr; gap: 0.75rem; padding: 1.1rem 1rem; }
}

/* ============================================================
   PDF.js Viewer Styles
   ============================================================ */

.pdfjs-viewer-wrapper {
    position: relative;
    background: #1a1a2e;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,0.25);
    margin-bottom: 1rem;
}

/* Toolbar */
.pdfjs-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #16213e;
    padding: 0.6rem 1rem;
    gap: 0.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.pdfjs-toolbar-left,
.pdfjs-toolbar-right {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.pdfjs-page-info {
    color: #94a3b8;
    font-size: 0.85rem;
    font-family: var(--font-base, 'Inter', sans-serif);
    padding: 0 0.5rem;
    white-space: nowrap;
}

.pdfjs-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border: none;
    border-radius: 8px;
    background: rgba(255,255,255,0.07);
    color: #cbd5e1;
    cursor: pointer;
    transition: background 0.18s, color 0.18s, transform 0.12s;
    padding: 0;
}

.pdfjs-btn svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.pdfjs-btn:hover:not(:disabled) {
    background: var(--primary, #2563eb);
    color: #fff;
    transform: scale(1.07);
}

.pdfjs-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

/* Canvas container */
.pdfjs-canvas-container {
    overflow: auto;
    max-height: 820px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 1rem;
    background: #0f0f1a;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.15) transparent;
}

.pdfjs-canvas-container::-webkit-scrollbar { width: 6px; }
.pdfjs-canvas-container::-webkit-scrollbar-track { background: transparent; }
.pdfjs-canvas-container::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 3px; }

.pdfjs-canvas {
    display: none;
    max-width: 100%;
    border-radius: 4px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.5);
}

/* Loading state */
.pdfjs-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 3rem 0;
    color: #94a3b8;
    font-size: 0.9rem;
    font-family: var(--font-base, 'Inter', sans-serif);
}

.pdfjs-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid rgba(255,255,255,0.1);
    border-top-color: var(--primary, #2563eb);
    border-radius: 50%;
    animation: pdfSpinner 0.75s linear infinite;
}

@keyframes pdfSpinner {
    to { transform: rotate(360deg); }
}

/* Fullscreen styles */
.pdfjs-viewer-wrapper:fullscreen {
    border-radius: 0;
    background: #000;
}
.pdfjs-viewer-wrapper:fullscreen .pdfjs-canvas-container {
    max-height: calc(100vh - 58px);
}

@media (max-width: 640px) {
    .pdfjs-toolbar { padding: 0.45rem 0.6rem; }
    .pdfjs-btn { width: 30px; height: 30px; }
    .pdfjs-btn svg { width: 14px; height: 14px; }
    .pdfjs-page-info { font-size: 0.75rem; }
}