/* ============================================================
   MalawiLearn (Tiphunzire) — Styles
   ============================================================ */

/* ── Reset & CSS Variables ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

/* ── Bilingual content switching ── */
.ml-ny { display: none; }
html[lang="ny"] .ml-en { display: none; }
html[lang="ny"] .ml-ny { display: inline; }
html[lang="ny"] div.ml-ny,
html[lang="ny"] p.ml-ny,
html[lang="ny"] h1.ml-ny,
html[lang="ny"] h2.ml-ny,
html[lang="ny"] h3.ml-ny { display: block; }
html[lang="ny"] span.ml-ny { display: inline; }

:root {
    --ml-bg: #0a0a0a;
    --ml-surface: rgba(255,255,255,0.04);
    --ml-surface-2: rgba(255,255,255,0.06);
    --ml-surface-3: rgba(255,255,255,0.08);
    --ml-border: rgba(255,255,255,0.08);
    --ml-border-hover: rgba(255,255,255,0.15);
    --ml-text: #fff;
    --ml-text-2: rgba(255,255,255,0.6);
    --ml-text-3: rgba(255,255,255,0.35);
    --ml-accent: #14b8a6;
    --ml-accent-hover: #0d9488;
    --ml-accent-soft: rgba(20,184,166,0.12);
    --ml-accent-border: rgba(20,184,166,0.25);
    --ml-font: 'Inter', 'Segoe UI', sans-serif;
    --ml-font-serif: 'Playfair Display', Georgia, serif;

    /* Header */
    --ml-header-bg: transparent;
    --ml-header-scrolled: rgba(10,10,10,0.88);
    --ml-nav-color: rgba(255,255,255,0.5);
    --ml-nav-hover: #fff;

    /* Glass */
    --ml-glass-bg: rgba(255,255,255,0.1);
    --ml-glass-border: rgba(255,255,255,0.15);
    --ml-glass-hover-bg: rgba(255,255,255,0.18);
    --ml-glass-hover-border: rgba(255,255,255,0.3);

    /* Hero */
    --ml-hero-overlay: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.15) 30%, rgba(0,0,0,0.5) 65%, rgba(10,10,10,0.92) 85%, rgba(10,10,10,1) 100%);

    /* Cards */
    --ml-card-bg: rgba(255,255,255,0.04);
    --ml-card-border: rgba(255,255,255,0.08);
    --ml-card-hover-border: rgba(255,255,255,0.15);
    --ml-card-hover-shadow: 0 8px 32px rgba(0,0,0,0.4);
    --ml-card-thumb-opacity: 0.9;

    /* Filter */
    --ml-filter-bg: rgba(255,255,255,0.04);
    --ml-filter-border: rgba(255,255,255,0.08);
    --ml-filter-input-bg: rgba(255,255,255,0.08);
    --ml-filter-input-border: rgba(255,255,255,0.1);
    --ml-filter-input-color: #fff;
    --ml-filter-placeholder: rgba(255,255,255,0.3);
    --ml-filter-option-bg: #151515;
    --ml-filter-option-color: #e0e0e0;

    /* CTA */
    --ml-cta-bg: linear-gradient(135deg, #0f766e 0%, #1e40af 100%);
    --ml-cta-overlay: rgba(10,10,10,0.7);

    /* Footer */
    --ml-footer-color: rgba(255,255,255,0.25);
    --ml-footer-link-hover: rgba(255,255,255,0.6);

    /* Dashboard */
    --ml-sidebar-bg: rgba(255,255,255,0.03);
    --ml-sidebar-border: rgba(255,255,255,0.06);
    --ml-sidebar-active: rgba(20,184,166,0.12);
    --ml-sidebar-active-border: #14b8a6;

    /* Progress */
    --ml-progress-bg: rgba(255,255,255,0.08);
    --ml-progress-fill: #14b8a6;

    /* Activity */
    --ml-activity-icon-bg: rgba(20,184,166,0.1);
    --ml-activity-time: rgba(255,255,255,0.35);

    /* Deadline */
    --ml-deadline-badge-bg: rgba(20,184,166,0.12);
    --ml-deadline-badge-color: #14b8a6;

    /* Modal */
    --ml-modal-bg: rgba(10,10,10,0.92);
    --ml-modal-card-bg: rgba(255,255,255,0.06);
    --ml-modal-card-border: rgba(255,255,255,0.1);
    --ml-modal-card-hover: rgba(255,255,255,0.12);
}

[data-theme="light"] {
    --ml-bg: #f5f5f7;
    --ml-surface: rgba(0,0,0,0.03);
    --ml-surface-2: rgba(0,0,0,0.05);
    --ml-surface-3: rgba(0,0,0,0.07);
    --ml-border: rgba(0,0,0,0.08);
    --ml-border-hover: rgba(0,0,0,0.15);
    --ml-text: #1a1a1a;
    --ml-text-2: rgba(0,0,0,0.55);
    --ml-text-3: rgba(0,0,0,0.35);
    --ml-accent: #0f766e;
    --ml-accent-hover: #0d6560;
    --ml-accent-soft: rgba(15,118,110,0.1);
    --ml-accent-border: rgba(15,118,110,0.2);

    --ml-header-scrolled: rgba(245,245,247,0.9);
    --ml-nav-color: rgba(0,0,0,0.7);
    --ml-nav-hover: #000;

    --ml-glass-bg: rgba(0,0,0,0.06);
    --ml-glass-border: rgba(0,0,0,0.12);
    --ml-glass-hover-bg: rgba(0,0,0,0.1);
    --ml-glass-hover-border: rgba(0,0,0,0.2);

    --ml-hero-overlay: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.05) 30%, rgba(0,0,0,0.3) 65%, rgba(245,245,247,0.9) 85%, rgba(245,245,247,1) 100%);

    --ml-card-bg: #fff;
    --ml-card-border: rgba(0,0,0,0.08);
    --ml-card-hover-border: rgba(0,0,0,0.15);
    --ml-card-hover-shadow: 0 8px 32px rgba(0,0,0,0.08);
    --ml-card-thumb-opacity: 1;

    --ml-filter-bg: rgba(255,255,255,0.7);
    --ml-filter-border: rgba(0,0,0,0.08);
    --ml-filter-input-bg: rgba(0,0,0,0.04);
    --ml-filter-input-border: rgba(0,0,0,0.1);
    --ml-filter-input-color: #1a1a1a;
    --ml-filter-placeholder: rgba(0,0,0,0.3);
    --ml-filter-option-bg: #fff;
    --ml-filter-option-color: #333;

    --ml-cta-overlay: rgba(245,245,247,0.75);

    --ml-footer-color: rgba(0,0,0,0.3);
    --ml-footer-link-hover: rgba(0,0,0,0.6);

    --ml-sidebar-bg: rgba(0,0,0,0.02);
    --ml-sidebar-border: rgba(0,0,0,0.06);
    --ml-sidebar-active: rgba(15,118,110,0.08);
    --ml-sidebar-active-border: #0f766e;

    --ml-progress-bg: rgba(0,0,0,0.08);
    --ml-progress-fill: #0f766e;

    --ml-activity-icon-bg: rgba(15,118,110,0.08);
    --ml-activity-time: rgba(0,0,0,0.35);

    --ml-deadline-badge-bg: rgba(15,118,110,0.08);
    --ml-deadline-badge-color: #0f766e;

    --ml-modal-bg: rgba(245,245,247,0.95);
    --ml-modal-card-bg: rgba(0,0,0,0.04);
    --ml-modal-card-border: rgba(0,0,0,0.08);
    --ml-modal-card-hover: rgba(0,0,0,0.08);
}

body {
    font-family: var(--ml-font);
    background: var(--ml-bg);
    color: var(--ml-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }

/* ── Header ── */
.ml-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s;
    border-bottom: 1px solid transparent;
}
.ml-header.scrolled {
    background: var(--ml-header-scrolled);
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    border-bottom-color: var(--ml-border);
}
.ml-header-inner {
    max-width: 1440px; margin: 0 auto;
    padding: 0 40px; height: 68px;
    display: flex; align-items: center; justify-content: space-between;
}
.ml-brand {
    display: flex; align-items: center; gap: 10px;
    cursor: pointer; transition: opacity 0.2s;
}
.ml-brand:hover { opacity: 0.8; }
.ml-brand-icon {
    width: 40px; height: 40px;
    background: var(--ml-accent);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
}
.ml-brand-icon svg { width: 22px; height: 22px; fill: #fff; }
.ml-brand-text {
    display: flex; flex-direction: column; line-height: 1.1;
}
.ml-brand-title {
    font-size: 20px; font-weight: 700;
    letter-spacing: 0.3px;
}
.ml-brand-sub {
    font-size: 15px; font-weight: 400;
    opacity: 0.7;
}

.ml-nav { display: flex; align-items: center; gap: 28px; }
.ml-nav a {
    font-size: 14px; font-weight: 500;
    color: var(--ml-nav-color);
    transition: color 0.25s;
}
.ml-nav a:hover { color: var(--ml-nav-hover); }
.ml-nav a {
    text-shadow: 0 0 8px rgba(0,0,0,0.8), 0 0 20px rgba(0,0,0,0.4);
}
.ml-header-right .ml-btn-glass {
    text-shadow: 0 0 8px rgba(0,0,0,0.8), 0 0 20px rgba(0,0,0,0.4);
}
.ml-brand-title,
.ml-brand-sub {
    text-shadow: 0 0 8px rgba(0,0,0,0.8), 0 0 20px rgba(0,0,0,0.4);
}
[data-theme="light"] .ml-nav a {
    text-shadow: 0 0 8px rgba(255,255,255,0.9), 0 0 20px rgba(255,255,255,0.5);
}
[data-theme="light"] .ml-header-right .ml-btn-glass {
    text-shadow: 0 0 8px rgba(255,255,255,0.9), 0 0 20px rgba(255,255,255,0.5);
}
[data-theme="light"] .ml-brand-title,
[data-theme="light"] .ml-brand-sub {
    text-shadow: 0 0 8px rgba(255,255,255,0.9), 0 0 20px rgba(255,255,255,0.5);
}

.ml-header-right { display: flex; align-items: center; gap: 16px; }

/* Profile dropdown */
.ml-profile-dropdown { position: relative; }
.ml-profile-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 4px 12px 4px 4px; border-radius: 24px;
    font-size: 13px; font-weight: 500;
    background: rgba(0,0,0,0.35);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.15);
    color: var(--ml-text);
    cursor: pointer; transition: all 0.25s;
}
[data-theme="light"] .ml-profile-btn {
    background: rgba(255,255,255,0.7);
    border: 1px solid rgba(0,0,0,0.12);
}
.ml-header.scrolled .ml-profile-btn {
    background: rgba(0,0,0,0.5);
    border-color: rgba(255,255,255,0.1);
}
[data-theme="light"] .ml-header.scrolled .ml-profile-btn {
    background: rgba(255,255,255,0.8);
    border-color: rgba(0,0,0,0.1);
}
.ml-profile-btn:hover {
    background: rgba(0,0,0,0.5);
    border-color: rgba(255,255,255,0.2);
}
[data-theme="light"] .ml-profile-btn:hover {
    background: rgba(255,255,255,0.85);
    border-color: rgba(0,0,0,0.18);
}
.ml-profile-avatar {
    width: 28px; height: 28px; border-radius: 50%;
    object-fit: cover; flex-shrink: 0;
}
.ml-profile-avatar-placeholder {
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--ml-accent); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 700; flex-shrink: 0;
}
.ml-profile-chevron { transition: transform 0.2s; opacity: 0.6; }
.ml-profile-dropdown.open .ml-profile-chevron { transform: rotate(180deg); }
.ml-profile-menu {
    display: none; position: absolute; right: 0; top: calc(100% + 8px);
    min-width: 210px; padding: 6px 0; border-radius: 12px;
    background: #1e293b;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
    z-index: 1000;
}
[data-theme="light"] .ml-profile-menu {
    background: #fff;
    border: 1px solid rgba(0,0,0,0.1);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}
.ml-profile-dropdown.open .ml-profile-menu { display: block; }
.ml-profile-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 16px; font-size: 13px; font-weight: 500;
    color: var(--ml-text); text-decoration: none;
    transition: background 0.15s;
}
.ml-profile-item:hover { background: rgba(255,255,255,0.06); }
[data-theme="light"] .ml-profile-item:hover { background: rgba(0,0,0,0.04); }
.ml-profile-item svg { opacity: 0.7; flex-shrink: 0; }
.ml-profile-admin { color: var(--ml-accent); }
.ml-profile-admin svg { opacity: 1; stroke: var(--ml-accent); }
.ml-profile-divider { height: 1px; margin: 4px 12px; background: rgba(255,255,255,0.08); }
[data-theme="light"] .ml-profile-divider { background: rgba(0,0,0,0.08); }
.ml-profile-logout { color: #f87171; }
.ml-profile-logout svg { opacity: 1; stroke: #f87171; }

.ml-btn-glass {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 16px; border-radius: 8px;
    font-size: 13px; font-weight: 500;
    background: var(--ml-glass-bg);
    border: 1px solid var(--ml-glass-border);
    color: var(--ml-text);
    cursor: pointer; transition: all 0.25s;
}
.ml-btn-glass:hover {
    background: var(--ml-glass-hover-bg);
    border-color: var(--ml-glass-hover-border);
}

.ml-btn-accent {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 10px 22px; border-radius: 8px;
    font-size: 14px; font-weight: 600;
    background: var(--ml-accent);
    border: none; color: #fff;
    cursor: pointer; transition: all 0.25s;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(20,184,166,0.3);
}
.ml-btn-accent:hover { background: var(--ml-accent-hover); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(20,184,166,0.4); }

.ml-btn-outline {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 10px 22px; border-radius: 8px;
    font-size: 14px; font-weight: 600;
    background: transparent;
    border: 1px solid var(--ml-border-hover);
    color: var(--ml-text);
    cursor: pointer; transition: all 0.25s;
    text-decoration: none;
}
.ml-btn-outline:hover {
    background: var(--ml-surface);
    border-color: var(--ml-accent-border);
    color: var(--ml-accent);
}

/* ── Language Toggle ── */
.ml-lang-toggle {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 12px; border-radius: 8px;
    font-size: 13px; font-weight: 600;
    background: var(--ml-glass-bg);
    border: 1px solid var(--ml-glass-border);
    color: var(--ml-text);
    cursor: pointer; transition: all 0.25s;
    letter-spacing: 0.5px;
}
.ml-lang-toggle:hover {
    background: var(--ml-glass-hover-bg);
    border-color: var(--ml-glass-hover-border);
}
.ml-lang-toggle svg { stroke: currentColor; opacity: 0.7; flex-shrink: 0; }

.ml-theme-toggle {
    width: 36px; height: 36px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: var(--ml-glass-bg);
    border: 1px solid var(--ml-glass-border);
    cursor: pointer; transition: all 0.25s;
    color: var(--ml-text);
}
.ml-theme-toggle:hover {
    background: var(--ml-glass-hover-bg);
    border-color: var(--ml-glass-hover-border);
}
.ml-theme-toggle svg { width: 18px; height: 18px; }
.ml-theme-toggle .sun { display: none; }
.ml-theme-toggle .moon { display: block; }
[data-theme="light"] .ml-theme-toggle .sun { display: block; }
[data-theme="light"] .ml-theme-toggle .moon { display: none; }

/* ── Hero ── */
.ml-hero {
    position: relative;
    min-height: 600px;
    display: flex; align-items: center; justify-content: center;
    background: #0a0a0a;
    overflow: hidden;
}

/* Image slideshow layer */
.ml-hero-slides {
    position: absolute; inset: 0;
    z-index: 0;
}
.ml-hero-slide {
    position: absolute; inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 2s ease;
    will-change: opacity;
    transform: scale(1.01);
}
.ml-hero-slide.active {
    opacity: 1;
    animation: ml-ken-burns 8s ease forwards;
}
/* Outgoing slide holds its zoom while fading */
.ml-hero-slide.outgoing {
    opacity: 0;
    transform: scale(1.06);
    transition: opacity 2s ease;
}
@keyframes ml-ken-burns {
    0%   { transform: scale(1.01); }
    100% { transform: scale(1.06); }
}

/* ── Dynamic sky band ── */
.ml-sky {
    position: absolute; top: 0; left: 0; right: 0;
    height: 150px;
    z-index: 2;
    pointer-events: none;
    overflow: hidden;
    /* Default: set by JS, fallback teal */
    background: linear-gradient(180deg, rgba(15,118,110,0.45) 0%, transparent 100%);
    transition: background 3s ease;
}
.ml-sky.demo { transition: background 0.8s ease; }

/* Sun — soft diffused disc, no hard edge */
.ml-sky-sun {
    position: absolute;
    width: 44px; height: 44px;
    left: 12%; bottom: 10px;
    transition: left 3s ease, bottom 3s ease, opacity 2s ease;
    opacity: 0;
}
.ml-sky-sun svg { display: none; }
.ml-sky-sun::after {
    content: '';
    position: absolute; inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle,
        rgba(255,255,230,0.45) 0%,
        rgba(255,230,180,0.2) 25%,
        rgba(255,200,120,0.06) 50%,
        transparent 70%);
}
.ml-sky-sun.visible { opacity: 1; }
.demo .ml-sky-sun {
    transition: left 0.8s ease, bottom 0.8s ease, opacity 0.6s ease;
}

/* Sun glow — warm light spill */
.ml-sky-glow {
    position: absolute;
    inset: -50px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,200,100,0.25) 0%, rgba(255,160,60,0.08) 40%, transparent 70%);
    transition: background 3s ease;
}
.demo .ml-sky-glow { transition: background 0.8s ease; }

/* Clouds */
.ml-sky-cloud {
    position: absolute;
    fill: rgba(255,255,255,0.12);
    transition: fill 3s ease;
}
.ml-cloud-1 {
    width: 160px; height: 55px;
    left: 6%; top: 30px;
}
.ml-cloud-2 {
    width: 120px; height: 42px;
    left: 22%; top: 55px;
}

/* Bottom fade + vignette overlay */
.ml-hero::after {
    content: '';
    position: absolute; inset: 0; z-index: 1;
    background: var(--ml-hero-overlay);
    pointer-events: none;
}
.ml-hero-content {
    position: relative; z-index: 3;
    text-align: center;
    max-width: 700px; padding: 120px 24px 80px;
    opacity: 0; transform: translateY(20px);
    transition: opacity 0.8s, transform 0.8s;
    text-shadow: 0 2px 20px rgba(0,0,0,0.4);
}
.ml-hero-content.visible {
    opacity: 1; transform: translateY(0);
}
.ml-hero-label {
    display: inline-block;
    font-size: 13px; font-weight: 600;
    letter-spacing: 2px; text-transform: uppercase;
    color: rgba(255,255,255,0.7);
    margin-bottom: 16px;
}
.ml-hero h1 {
    font-size: 56px; font-weight: 800;
    line-height: 1.1; letter-spacing: -1px;
    color: #fff;
    margin-bottom: 20px;
}
.ml-hero h1 em {
    font-family: var(--ml-font-serif);
    font-style: italic; font-weight: 400;
}
.ml-hero-sub {
    font-size: 17px; line-height: 1.7;
    color: rgba(255,255,255,0.75);
    margin-bottom: 32px;
}
.ml-hero-actions {
    display: flex; gap: 14px;
    justify-content: center; flex-wrap: wrap;
}

/* ── Stats Bar ── */
.ml-stats {
    display: flex; justify-content: center; gap: 48px;
    padding: 40px 24px 20px;
    position: relative; z-index: 2;
}
.ml-stat { text-align: center; }
.ml-stat-number {
    font-size: 32px; font-weight: 800;
    color: var(--ml-accent);
    line-height: 1.2;
}
.ml-stat-label {
    font-size: 13px; font-weight: 500;
    color: var(--ml-text-2);
    margin-top: 4px;
}

/* ── Section Headers ── */
.ml-section {
    max-width: 1440px; margin: 0 auto;
    padding: 60px 40px;
}
.ml-section-label {
    font-size: 12px; font-weight: 600;
    letter-spacing: 2px; text-transform: uppercase;
    color: var(--ml-accent);
    margin-bottom: 8px;
}
.ml-section-title {
    font-size: 32px; font-weight: 700;
    line-height: 1.2; margin-bottom: 8px;
}
.ml-section-title em {
    font-family: var(--ml-font-serif);
    font-style: italic; font-weight: 400;
}
.ml-section-sub {
    font-size: 15px; color: var(--ml-text-2);
    max-width: 520px;
}

/* ── Filter Bar ── */
.ml-filter {
    display: flex; gap: 12px; align-items: center;
    flex-wrap: wrap;
    margin: 24px 0 32px;
    padding: 16px 20px;
    background: var(--ml-filter-bg);
    border: 1px solid var(--ml-filter-border);
    border-radius: 12px;
}
.ml-filter select,
.ml-filter input {
    padding: 10px 14px; border-radius: 8px;
    font-size: 13px; font-family: var(--ml-font);
    background: var(--ml-filter-input-bg);
    border: 1px solid var(--ml-filter-input-border);
    color: var(--ml-filter-input-color);
    outline: none; transition: border-color 0.25s;
    min-width: 150px; flex: 1;
}
.ml-filter select option {
    background: var(--ml-filter-option-bg);
    color: var(--ml-filter-option-color);
}
.ml-filter select:focus,
.ml-filter input:focus {
    border-color: var(--ml-accent);
}
.ml-filter input::placeholder { color: var(--ml-filter-placeholder); }
.ml-filter-search { flex: 2; min-width: 200px; }
.ml-filter-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 10px 20px; border-radius: 8px;
    font-size: 13px; font-family: var(--ml-font); font-weight: 600;
    background: var(--ml-accent); color: #fff;
    border: none; cursor: pointer;
    transition: background 0.25s, transform 0.15s;
    white-space: nowrap;
}
.ml-filter-btn:hover { background: var(--ml-accent-hover); transform: translateY(-1px); }
.ml-filter-btn:active { transform: translateY(0); }
.ml-filter-btn svg { flex-shrink: 0; }

/* ── Section "View All" link ── */
.ml-section-more {
    text-align: center;
    margin-top: 32px;
}

/* ── Home Classrooms Grid ── */
.ml-classrooms-home-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px; margin-top: 24px;
}
.ml-classroom-home-card {
    padding: 24px 20px; text-align: center;
    background: var(--ml-card-bg);
    border: 1px solid var(--ml-card-border);
    border-radius: 16px;
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.ml-classroom-home-card:hover {
    border-color: var(--ml-card-hover-border);
    box-shadow: var(--ml-card-hover-shadow);
    transform: translateY(-4px);
}
.ml-classroom-home-icon {
    width: 52px; height: 52px; border-radius: 14px;
    display: inline-flex; align-items: center; justify-content: center;
    margin-bottom: 14px;
}
.ml-classroom-home-icon svg { width: 26px; height: 26px; fill: currentColor; }
.ml-classroom-home-card h3 {
    font-size: 15px; font-weight: 600; margin-bottom: 6px;
}
.ml-classroom-home-card p {
    font-size: 13px; color: var(--ml-text-2);
    line-height: 1.5; margin-bottom: 10px;
}
.ml-classroom-home-meta {
    display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 12px;
    font-size: 11px; color: var(--ml-text-3);
}

/* ── Course Cards Grid ── */
.ml-courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.ml-course-card {
    background: var(--ml-card-bg);
    border: 1px solid var(--ml-card-border);
    border-radius: 14px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    cursor: pointer;
    text-decoration: none; color: inherit;
}
.ml-course-card:hover {
    transform: translateY(-4px);
    border-color: var(--ml-card-hover-border);
    box-shadow: var(--ml-card-hover-shadow);
}
.ml-course-card[data-hidden="true"] { display: none; }

.ml-card-thumb {
    position: relative;
    height: 160px;
    display: flex; align-items: center; justify-content: center;
    opacity: var(--ml-card-thumb-opacity);
}
.ml-card-thumb svg {
    width: 48px; height: 48px;
    fill: rgba(255,255,255,0.3);
}
.ml-card-badge {
    position: absolute; top: 12px; left: 12px;
    padding: 4px 10px; border-radius: 6px;
    font-size: 11px; font-weight: 600;
    background: rgba(0,0,0,0.45);
    color: rgba(255,255,255,0.9);
    backdrop-filter: blur(8px);
}
.ml-card-level {
    position: absolute; top: 12px; right: 12px;
    padding: 4px 10px; border-radius: 6px;
    font-size: 11px; font-weight: 600;
    background: rgba(0,0,0,0.45);
    color: rgba(255,255,255,0.9);
    backdrop-filter: blur(8px);
}

/* Language badge on cards */
.ml-card-lang {
    position: absolute; bottom: 10px; left: 12px;
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 9px; border-radius: 6px;
    font-size: 10px; font-weight: 600;
    background: rgba(0,0,0,0.5);
    color: rgba(255,255,255,0.9);
    backdrop-filter: blur(8px);
    text-transform: uppercase; letter-spacing: 0.3px;
}
.ml-card-lang svg { width: 11px; height: 11px; fill: currentColor; opacity: 0.8; }
.ml-lang-pill {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 10px; border-radius: 20px;
    font-size: 11px; font-weight: 600;
    background: var(--ml-surface-3);
    color: var(--ml-text-2);
    border: 1px solid var(--ml-border);
}
.ml-lang-pill svg { width: 12px; height: 12px; fill: currentColor; opacity: 0.7; }

.ml-card-body { padding: 18px; }
.ml-card-subject {
    font-size: 11px; font-weight: 600;
    letter-spacing: 1px; text-transform: uppercase;
    color: var(--ml-accent);
    margin-bottom: 6px;
}
.ml-card-title {
    font-size: 16px; font-weight: 600;
    line-height: 1.35; margin-bottom: 8px;
    display: -webkit-box; -webkit-line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
}
.ml-card-creator {
    font-size: 13px; color: var(--ml-text-2);
    margin-bottom: 12px;
}
.ml-card-meta {
    display: flex; align-items: center; gap: 14px;
    font-size: 12px; color: var(--ml-text-3);
    margin-bottom: 12px;
}
.ml-card-meta span { display: flex; align-items: center; gap: 4px; }
.ml-card-meta svg { width: 14px; height: 14px; fill: currentColor; opacity: 0.6; }

.ml-card-rating {
    display: flex; align-items: center; gap: 4px;
    font-size: 13px; font-weight: 600;
    color: #f59e0b;
    margin-bottom: 14px;
}
.ml-card-rating .count {
    font-weight: 400; color: var(--ml-text-3);
    font-size: 12px;
}

.ml-card-footer {
    display: flex; align-items: center; justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid var(--ml-border);
}
.ml-card-price {
    font-size: 18px; font-weight: 700;
    color: var(--ml-accent);
}
.ml-card-price.free { color: var(--ml-accent); }
.ml-card-enroll {
    padding: 8px 18px; border-radius: 8px;
    font-size: 13px; font-weight: 600;
    background: var(--ml-accent);
    border: none; color: #fff;
    cursor: pointer; transition: all 0.25s;
}
.ml-card-enroll:hover { background: var(--ml-accent-hover); }

/* ── Course thumb gradients ── */
.ml-thumb-teal    { background: linear-gradient(135deg, #0f766e, #14b8a6); color: #fff; }
.ml-thumb-blue    { background: linear-gradient(135deg, #1e40af, #3b82f6); color: #fff; }
.ml-thumb-amber   { background: linear-gradient(135deg, #b45309, #f59e0b); color: #fff; }
.ml-thumb-violet  { background: linear-gradient(135deg, #6d28d9, #a78bfa); color: #fff; }
.ml-thumb-green   { background: linear-gradient(135deg, #15803d, #4ade80); color: #fff; }
.ml-thumb-rose    { background: linear-gradient(135deg, #be123c, #fb7185); color: #fff; }
.ml-thumb-indigo  { background: linear-gradient(135deg, #3730a3, #6366f1); color: #fff; }
.ml-thumb-orange  { background: linear-gradient(135deg, #c2410c, #fb923c); color: #fff; }
.ml-thumb-cyan    { background: linear-gradient(135deg, #0e7490, #22d3ee); color: #fff; }
.ml-thumb-pink    { background: linear-gradient(135deg, #9d174d, #f472b6); color: #fff; }

/* ── Programs ── */
.ml-programs { display: flex; flex-direction: column; gap: 20px; margin-top: 32px; }
.ml-program-card {
    display: flex; gap: 24px; align-items: center;
    background: var(--ml-card-bg);
    border: 1px solid var(--ml-card-border);
    border-radius: 14px;
    padding: 24px;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
    cursor: pointer;
    text-decoration: none; color: inherit;
}
.ml-program-card:hover {
    transform: translateY(-2px);
    border-color: var(--ml-card-hover-border);
    box-shadow: var(--ml-card-hover-shadow);
}
.ml-program-icon {
    flex-shrink: 0;
    width: 72px; height: 72px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
}
.ml-program-icon svg { width: 36px; height: 36px; fill: rgba(255,255,255,0.5); }
.ml-program-info { flex: 1; }
.ml-program-label-row {
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 4px;
}
.ml-program-label {
    font-size: 11px; font-weight: 600;
    letter-spacing: 1px; text-transform: uppercase;
    color: var(--ml-accent);
}
.ml-program-title {
    font-size: 18px; font-weight: 700;
    margin-bottom: 6px;
}
.ml-program-desc {
    font-size: 13px; color: var(--ml-text-2);
    margin-bottom: 12px;
}
.ml-program-meta {
    display: flex; gap: 16px;
    font-size: 12px; color: var(--ml-text-3);
}
.ml-program-progress { flex-shrink: 0; width: 140px; text-align: right; }
.ml-program-progress-label {
    font-size: 12px; color: var(--ml-text-2);
    margin-bottom: 6px;
}
.ml-progress-bar {
    height: 6px; border-radius: 3px;
    background: var(--ml-progress-bg);
    overflow: hidden;
}
.ml-progress-fill {
    height: 100%; border-radius: 3px;
    background: var(--ml-progress-fill);
    transition: width 0.6s ease;
}

/* ── How It Works ── */
.ml-steps {
    display: flex; gap: 32px;
    margin-top: 40px;
    justify-content: center;
}
.ml-step {
    flex: 1; max-width: 300px;
    text-align: center;
    position: relative;
}
.ml-step-icon {
    width: 72px; height: 72px;
    border-radius: 50%;
    background: var(--ml-accent-soft);
    border: 2px solid var(--ml-accent-border);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px;
}
.ml-step-icon svg { width: 32px; height: 32px; fill: var(--ml-accent); }
.ml-step-num {
    position: absolute; top: -8px; left: 50%; transform: translateX(-50%);
    width: 28px; height: 28px;
    background: var(--ml-accent);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 700; color: #fff;
}
.ml-step h3 {
    font-size: 18px; font-weight: 700;
    margin-bottom: 8px;
}
.ml-step p {
    font-size: 14px; color: var(--ml-text-2);
    line-height: 1.6;
}
.ml-step-connector {
    position: absolute;
    top: 36px; right: -24px;
    width: 24px; height: 2px;
    background: var(--ml-border);
}
.ml-step:last-child .ml-step-connector { display: none; }

/* ── Creator CTA ── */
.ml-cta {
    position: relative;
    margin: 40px 0;
    padding: 80px 40px;
    border-radius: 20px;
    background: var(--ml-cta-bg);
    overflow: hidden;
    text-align: center;
}
.ml-cta::before {
    content: '';
    position: absolute; inset: 0;
    background: var(--ml-cta-overlay);
}
.ml-cta-content {
    position: relative; z-index: 2;
    max-width: 560px; margin: 0 auto;
}
.ml-cta h2 {
    font-size: 32px; font-weight: 700;
    margin-bottom: 12px;
}
.ml-cta h2 em {
    font-family: var(--ml-font-serif);
    font-style: italic; font-weight: 400;
}
.ml-cta p {
    font-size: 15px; color: var(--ml-text-2);
    margin-bottom: 28px; line-height: 1.7;
}

/* ── Footer ── */
.ml-footer {
    max-width: 1440px; margin: 0 auto;
    padding: 60px 40px 40px;
    border-top: 1px solid var(--ml-border);
}
.ml-footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}
.ml-footer-brand-title {
    font-size: 20px; font-weight: 700;
    margin-bottom: 4px;
}
.ml-footer-brand-sub {
    font-size: 15px; color: var(--ml-text-2);
    margin-bottom: 12px;
}
.ml-footer-desc {
    font-size: 13px; color: var(--ml-text-3);
    line-height: 1.7;
}
.ml-footer-col h4 {
    font-size: 13px; font-weight: 600;
    letter-spacing: 1px; text-transform: uppercase;
    color: var(--ml-text-2);
    margin-bottom: 16px;
}
.ml-footer-col ul { list-style: none; }
.ml-footer-col li { margin-bottom: 10px; }
.ml-footer-col a {
    font-size: 13px; color: var(--ml-footer-color);
    transition: color 0.25s;
}
.ml-footer-col a:hover { color: var(--ml-footer-link-hover); }
.ml-footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--ml-border);
    font-size: 12px; color: var(--ml-footer-color);
    display: flex; justify-content: space-between; align-items: center;
}

/* ── Dashboard ── */
.ml-dashboard { display: none; }
.ml-dashboard.active { display: flex; gap: 0; min-height: calc(100vh - 68px); margin-top: 68px; }
.ml-landing.hidden { display: none; }

.ml-sidebar {
    width: 260px; flex-shrink: 0;
    background: var(--ml-sidebar-bg);
    border-right: 1px solid var(--ml-sidebar-border);
    padding: 32px 0;
    position: sticky; top: 68px;
    height: calc(100vh - 68px);
    overflow-y: auto;
}
.ml-sidebar-nav { list-style: none; }
.ml-sidebar-nav li { margin-bottom: 2px; }
.ml-sidebar-nav a {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 24px;
    font-size: 14px; font-weight: 500;
    color: var(--ml-text-2);
    transition: all 0.2s;
    border-left: 3px solid transparent;
}
.ml-sidebar-nav a:hover {
    color: var(--ml-text);
    background: var(--ml-surface);
}
.ml-sidebar-nav a.active {
    color: var(--ml-text);
    background: var(--ml-sidebar-active);
    border-left-color: var(--ml-sidebar-active-border);
}
.ml-sidebar-nav svg {
    width: 20px; height: 20px;
    fill: currentColor; opacity: 0.6;
    flex-shrink: 0;
}
.ml-sidebar-badge {
    margin-left: auto;
    padding: 2px 8px; border-radius: 10px;
    font-size: 11px; font-weight: 600;
    background: var(--ml-accent);
    color: #fff;
}

.ml-dash-main {
    flex: 1; padding: 40px;
}
.ml-dash-welcome {
    margin-bottom: 36px;
}
.ml-dash-welcome h1 {
    font-size: 28px; font-weight: 700;
    margin-bottom: 4px;
}
.ml-dash-welcome p {
    font-size: 14px; color: var(--ml-text-2);
}

/* ── Enrolled Course Cards ── */
.ml-dash-section { margin-bottom: 40px; }
.ml-dash-section-title {
    font-size: 18px; font-weight: 700;
    margin-bottom: 20px;
}
.ml-enrolled-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.ml-enrolled-card {
    display: flex; gap: 16px;
    background: var(--ml-card-bg);
    border: 1px solid var(--ml-card-border);
    border-radius: 14px;
    padding: 18px;
    transition: border-color 0.3s;
    cursor: pointer;
}
.ml-enrolled-card:hover { border-color: var(--ml-card-hover-border); }
.ml-enrolled-card-link {
    display: flex; gap: 16px; text-decoration: none; color: inherit;
    flex: 1; min-width: 0;
}
.ml-enrolled-actions {
    display: flex; justify-content: flex-end; gap: 8px;
    margin-top: 12px;
}
.ml-enrolled-view {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 6px 14px; border-radius: 6px;
    font-size: 11px; font-weight: 600; text-decoration: none;
    background: var(--ml-glass-bg); color: var(--ml-text);
    border: 1px solid var(--ml-glass-border);
    transition: background 0.2s;
    white-space: nowrap;
}
.ml-enrolled-view:hover { background: var(--ml-glass-hover-bg); }
.ml-enrolled-continue {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 6px 14px; border-radius: 6px;
    font-size: 11px; font-weight: 600; text-decoration: none;
    background: var(--ml-accent); color: #fff;
    transition: background 0.2s, transform 0.15s;
    white-space: nowrap;
}
.ml-enrolled-continue:hover {
    background: var(--ml-accent-hover); transform: translateY(-1px);
}

.ml-enrolled-progress {
    flex-shrink: 0;
    width: 64px; height: 64px;
    position: relative;
}
.ml-enrolled-progress svg {
    width: 64px; height: 64px;
    transform: rotate(-90deg);
}
.ml-enrolled-progress .track {
    fill: none;
    stroke: var(--ml-progress-bg);
    stroke-width: 5;
}
.ml-enrolled-progress .fill {
    fill: none;
    stroke: var(--ml-progress-fill);
    stroke-width: 5;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.8s ease;
}
.ml-enrolled-pct {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 700;
    color: var(--ml-accent);
}

.ml-enrolled-info { flex: 1; }
.ml-enrolled-subject {
    font-size: 11px; font-weight: 600;
    letter-spacing: 1px; text-transform: uppercase;
    color: var(--ml-accent);
    margin-bottom: 4px;
}
.ml-enrolled-title {
    font-size: 15px; font-weight: 600;
    margin-bottom: 4px;
}
.ml-enrolled-meta {
    font-size: 12px; color: var(--ml-text-3);
}
.ml-enrolled-continue {
    margin-top: 10px;
    padding: 6px 14px; border-radius: 6px;
    font-size: 12px; font-weight: 600;
    background: var(--ml-accent-soft);
    border: 1px solid var(--ml-accent-border);
    color: var(--ml-accent);
    cursor: pointer; transition: all 0.25s;
}
.ml-enrolled-continue:hover {
    background: var(--ml-accent);
    color: #fff;
}

/* ── Recent Activity ── */
.ml-activity-list { display: flex; flex-direction: column; gap: 12px; }
.ml-activity-item {
    display: flex; align-items: center; gap: 14px;
    padding: 14px 16px;
    background: var(--ml-surface);
    border-radius: 10px;
}
.ml-activity-icon {
    width: 40px; height: 40px;
    border-radius: 10px;
    background: var(--ml-activity-icon-bg);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.ml-activity-icon svg { width: 20px; height: 20px; fill: var(--ml-accent); }
.ml-activity-text { flex: 1; }
.ml-activity-text p { font-size: 14px; font-weight: 500; }
.ml-activity-text span { font-size: 12px; color: var(--ml-activity-time); }

/* ── Upcoming Deadlines ── */
.ml-deadlines { display: flex; flex-direction: column; gap: 12px; }
.ml-deadline-item {
    display: flex; align-items: center; gap: 14px;
    padding: 14px 16px;
    background: var(--ml-surface);
    border-radius: 10px;
}
.ml-deadline-badge {
    width: 52px; text-align: center;
    padding: 8px 6px;
    border-radius: 10px;
    background: var(--ml-deadline-badge-bg);
    flex-shrink: 0;
}
.ml-deadline-badge .month {
    font-size: 10px; font-weight: 600;
    letter-spacing: 1px; text-transform: uppercase;
    color: var(--ml-deadline-badge-color);
}
.ml-deadline-badge .day {
    font-size: 20px; font-weight: 800;
    color: var(--ml-deadline-badge-color);
    line-height: 1.1;
}
.ml-deadline-text { flex: 1; }
.ml-deadline-text p { font-size: 14px; font-weight: 500; }
.ml-deadline-text span { font-size: 12px; color: var(--ml-text-3); }

/* ── Dashboard Banner ── */
.ml-dash-banner {
    display: flex; align-items: center; justify-content: space-between;
    padding: 28px 32px;
    background: linear-gradient(135deg, var(--ml-accent-soft) 0%, var(--ml-surface-2) 100%);
    border: 1px solid var(--ml-accent-border);
    border-radius: 16px;
    margin-bottom: 24px;
}
.ml-dash-banner-text h1 {
    font-size: 24px; font-weight: 700; margin-bottom: 4px;
}
.ml-dash-banner-text p {
    font-size: 14px; color: var(--ml-text-2); margin-bottom: 0;
}
.ml-dash-banner-art { flex-shrink: 0; opacity: 0.8; }

/* ── Dashboard Stats Cards ── */
.ml-dash-stats {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 16px; margin-bottom: 32px;
}
.ml-dash-stat-card {
    display: flex; align-items: center; gap: 14px;
    padding: 20px;
    background: var(--ml-card-bg);
    border: 1px solid var(--ml-card-border);
    border-radius: 14px;
    transition: border-color 0.3s, transform 0.3s;
}
.ml-dash-stat-card:hover {
    border-color: var(--ml-card-hover-border);
    transform: translateY(-2px);
}
.ml-dash-stat-icon {
    width: 44px; height: 44px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.ml-dash-stat-icon svg { width: 22px; height: 22px; fill: currentColor; }
.ml-dash-stat-val { font-size: 24px; font-weight: 800; line-height: 1.2; }
.ml-dash-stat-label { font-size: 12px; color: var(--ml-text-3); }

/* ── Dashboard Section Header ── */
.ml-dash-section-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 20px;
}
.ml-dash-section-header .ml-dash-section-title { margin-bottom: 0; }
.ml-dash-section-link {
    font-size: 13px; font-weight: 500;
    color: var(--ml-accent); text-decoration: none;
    transition: opacity 0.2s;
}
.ml-dash-section-link:hover { opacity: 0.7; }

/* ── Classroom Course View ── */
.ml-cc-progress {
    background: var(--ml-card-bg, #1e293b);
    border: 1px solid var(--ml-glass-border);
    border-radius: 12px; padding: 20px;
}
.ml-cc-progress-header {
    display: flex; justify-content: space-between; align-items: center;
    font-size: 14px; font-weight: 500; margin-bottom: 10px;
}
.ml-cc-progress-meta {
    font-size: 12px; color: var(--ml-muted); margin-top: 8px;
}
.ml-cc-lessons {
    display: flex; flex-direction: column; gap: 2px;
    border-radius: 12px; overflow: hidden;
    border: 1px solid var(--ml-glass-border);
}
.ml-cc-lesson {
    display: flex; align-items: center; gap: 14px;
    padding: 14px 18px;
    background: var(--ml-card-bg, #1e293b);
    color: var(--ml-text); text-decoration: none;
    transition: background 0.15s;
}
a.ml-cc-lesson:hover { background: var(--ml-glass-bg); }
.ml-cc-lesson.completed .ml-cc-lesson-num { color: var(--ml-accent); }
.ml-cc-lesson.locked { opacity: 0.5; }
.ml-cc-lesson-num {
    width: 28px; height: 28px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 600; flex-shrink: 0;
    background: var(--ml-glass-bg); color: var(--ml-muted);
}
.ml-cc-lesson.completed .ml-cc-lesson-num {
    background: var(--ml-accent-soft);
}
.ml-cc-lesson-info { flex: 1; min-width: 0; }
.ml-cc-lesson-title { font-size: 14px; font-weight: 500; }
.ml-cc-lesson-meta {
    display: flex; gap: 12px; font-size: 12px;
    color: var(--ml-muted); margin-top: 2px;
}
.ml-cc-locked-label { color: #f59e0b; font-weight: 500; }
.ml-cc-lesson-right { flex-shrink: 0; }
.ml-cc-done-badge {
    font-size: 11px; font-weight: 600; color: var(--ml-accent);
    background: var(--ml-accent-soft); padding: 3px 10px;
    border-radius: 20px;
}

/* -- Online Viewers Strip (classroom course view) -- */
.ml-cc-viewers {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    margin: 0 0 8px;
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 8px;
    font-size: 12px;
    color: var(--ml-text-2);
    flex-wrap: wrap;
}

/* -- Teacher Controls Toolbar (classroom course view) -- */
.ml-cc-teacher-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 16px;
    margin-bottom: 8px;
    background: rgba(139,92,246,0.06);
    border: 1px solid rgba(139,92,246,0.15);
    border-radius: 10px;
    flex-wrap: wrap;
}
.ml-cc-teacher-bar-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: #8b5cf6;
    white-space: nowrap;
}
.ml-cc-teacher-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}
/* Quiz dropdown */
.ml-cc-quiz-dropdown {
    position: relative;
}
.ml-cc-quiz-menu {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 50;
    min-width: 220px;
    margin-top: 4px;
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    padding: 4px 0;
}
.ml-cc-quiz-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    text-align: left;
    padding: 8px 14px;
    background: none;
    border: none;
    font-size: 13px;
    color: var(--ml-text);
    cursor: pointer;
    transition: background 0.1s;
}
.ml-cc-quiz-item:hover {
    background: var(--ml-surface-2);
}
.ml-cc-quiz-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ml-text-3);
    flex-shrink: 0;
}
.ml-cc-quiz-status.active {
    background: #22c55e;
    box-shadow: 0 0 6px rgba(34,197,94,0.5);
}
.ml-cc-quiz-toggle {
    margin-left: auto;
    font-size: 11px;
    color: var(--ml-accent);
    font-weight: 600;
}

/* -- Leaderboard Modal (classroom course view) -- */
.ml-cc-lb-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 300;
    background: var(--ml-modal-bg);
    align-items: center;
    justify-content: center;
}
.ml-cc-lb-overlay.open {
    display: flex;
}
.ml-cc-lb-modal {
    background: var(--ml-card-bg);
    border: 1px solid var(--ml-border);
    border-radius: 16px;
    width: 420px;
    max-width: 95vw;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 16px 48px rgba(0,0,0,0.2);
}
.ml-cc-lb-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--ml-border);
}
.ml-cc-lb-modal-header h3 {
    font-size: 16px;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
}
.ml-cc-lb-close {
    background: none;
    border: none;
    color: var(--ml-text-3);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    transition: background 0.15s;
}
.ml-cc-lb-close:hover {
    background: var(--ml-surface-2);
    color: var(--ml-text);
}
.ml-cc-lb-modal-body {
    padding: 12px 16px;
    overflow-y: auto;
    flex: 1;
}
.ml-cc-lb-btn:hover {
    border-color: rgba(234,179,8,0.3);
    background: rgba(234,179,8,0.04);
}

/* -- Mobile responsive adjustments for course view -- */
@media (max-width: 768px) {
    .ml-cc-teacher-bar {
        flex-direction: column;
        align-items: flex-start;
    }
    .ml-cc-teacher-actions {
        width: 100%;
    }
}

/* ── Enrolled Card Enhancements ── */
.ml-enrolled-card {
    text-decoration: none; color: inherit;
    flex-direction: column;
}
.ml-enrolled-card .ml-enrolled-card-link {
    flex-direction: column;
}
.ml-enrolled-top {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 14px;
}
.ml-enrolled-thumb {
    width: 44px; height: 44px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
}
.ml-enrolled-thumb svg { width: 22px; height: 22px; fill: currentColor; }
.ml-enrolled-bar-wrap { margin-top: 8px; }
.ml-enrolled-bar {
    height: 4px; border-radius: 2px;
    background: var(--ml-surface-3);
    overflow: hidden; margin-bottom: 4px;
}
.ml-enrolled-bar-fill {
    height: 100%; border-radius: 2px;
    background: var(--ml-accent);
}

/* ── Quick Actions ── */
.ml-dash-actions {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.ml-dash-action {
    display: flex; flex-direction: column; align-items: center; gap: 10px;
    padding: 20px 12px;
    background: var(--ml-card-bg);
    border: 1px solid var(--ml-card-border);
    border-radius: 14px;
    text-decoration: none; color: var(--ml-text-2);
    font-size: 13px; font-weight: 500;
    transition: border-color 0.3s, color 0.3s, transform 0.3s;
}
.ml-dash-action:hover {
    border-color: var(--ml-accent-border);
    color: var(--ml-accent);
    transform: translateY(-2px);
}
.ml-dash-action svg { width: 24px; height: 24px; fill: currentColor; }

/* ── Apps Modal ── */
.ml-modal-overlay {
    position: fixed; inset: 0; z-index: 200;
    background: var(--ml-modal-bg);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none;
    transition: opacity 0.35s;
    backdrop-filter: blur(12px);
}
.ml-modal-overlay.open {
    opacity: 1; pointer-events: auto;
}
.ml-modal {
    text-align: center;
    transform: scale(0.92); transition: transform 0.35s;
}
.ml-modal-overlay.open .ml-modal { transform: scale(1); }
.ml-modal h2 {
    font-size: 24px; font-weight: 700;
    margin-bottom: 8px;
}
.ml-modal p {
    font-size: 14px; color: var(--ml-text-2);
    margin-bottom: 32px;
}
.ml-apps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    max-width: 560px; margin: 0 auto;
}
.ml-app-card {
    display: flex; flex-direction: column;
    align-items: center; gap: 10px;
    padding: 24px 16px; border-radius: 14px;
    background: var(--ml-modal-card-bg);
    border: 1px solid var(--ml-modal-card-border);
    cursor: pointer; transition: all 0.25s;
    text-decoration: none; color: var(--ml-text);
}
.ml-app-card:hover {
    background: var(--ml-modal-card-hover);
    transform: translateY(-2px);
}
.ml-app-card .icon {
    font-size: 28px;
}
.ml-app-card .label {
    font-size: 13px; font-weight: 600;
}
.ml-app-card.current {
    border-color: var(--ml-accent);
    background: var(--ml-accent-soft);
}
.ml-modal-close {
    margin-top: 32px;
    padding: 10px 28px; border-radius: 8px;
    font-size: 14px; font-weight: 500;
    background: var(--ml-glass-bg);
    border: 1px solid var(--ml-glass-border);
    color: var(--ml-text);
    cursor: pointer; transition: all 0.25s;
}
.ml-modal-close:hover {
    background: var(--ml-glass-hover-bg);
}

/* ── Animations ── */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.in-view {
    opacity: 1;
    transform: translateY(0);
}
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }
.fade-up:nth-child(5) { transition-delay: 0.4s; }
.fade-up:nth-child(6) { transition-delay: 0.5s; }

/* Theme transition */
html { transition: background 0.3s, color 0.3s; }
.ml-header, .ml-card-bg, .ml-course-card, .ml-program-card,
.ml-footer, .ml-sidebar, .ml-enrolled-card, .ml-activity-item,
.ml-deadline-item, .ml-filter {
    transition: background 0.3s, border-color 0.3s, color 0.3s;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .ml-courses-grid { grid-template-columns: repeat(2, 1fr); }
    .ml-footer-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .ml-stats { gap: 32px; }
}
@media (max-width: 768px) {
    .ml-header-inner { padding: 0 20px; height: 60px; }
    .ml-nav { display: none; }
    .ml-hero { min-height: 480px; }
    .ml-hero h1 { font-size: 40px; }
    .ml-hero-sub { font-size: 15px; }
    .ml-section { padding: 40px 20px; }
    .ml-section-title { font-size: 26px; }
    .ml-stats { flex-wrap: wrap; gap: 20px; }
    .ml-stat-number { font-size: 26px; }
    .ml-steps { flex-direction: column; align-items: center; }
    .ml-step-connector { display: none; }
    .ml-cta { padding: 48px 20px; margin: 24px 0; }
    .ml-cta h2 { font-size: 26px; }
    .ml-footer { padding: 40px 20px 24px; }

    /* Dashboard */
    .ml-sidebar {
        width: 220px;
        position: fixed; left: -220px; top: 68px; bottom: 0;
        z-index: 50;
        transition: left 0.3s;
    }
    .ml-sidebar.open { left: 0; }
    .ml-dash-main { padding: 24px 20px; }
    .ml-enrolled-grid { grid-template-columns: 1fr; }
    .ml-program-card { flex-direction: column; align-items: flex-start; }
    .ml-program-progress { width: 100%; text-align: left; }
}
@media (max-width: 600px) {
    .ml-courses-grid { grid-template-columns: 1fr; }
    .ml-footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .ml-hero h1 { font-size: 32px; }
    .ml-hero-content { padding: 100px 16px 50px; }
    .ml-filter { flex-direction: column; }
    .ml-filter select, .ml-filter input { min-width: 100%; }
    .ml-apps-grid { grid-template-columns: repeat(3, 1fr); }
    .ml-header-right .ml-btn-glass span { display: none; }
    .ml-profile-name { display: none; }
    .ml-filter-btn span { display: none; }
    .ml-classrooms-home-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── Catalog Pages ── */
.ml-catalog-page {
    min-height: 100vh;
    background: var(--ml-bg);
    color: var(--ml-text);
    font-family: var(--ml-font);
    padding-top: 80px;
}

/* Classrooms grid */
.ml-classrooms-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 24px;
}
.ml-classroom-card {
    display: flex; gap: 20px; align-items: flex-start;
    padding: 24px;
    background: var(--ml-card-bg);
    border: 1px solid var(--ml-card-border);
    border-radius: 16px;
    transition: border-color 0.3s, box-shadow 0.3s;
}
.ml-classroom-card:hover {
    border-color: var(--ml-card-hover-border);
    box-shadow: var(--ml-card-hover-shadow);
}
.ml-classroom-icon {
    width: 56px; height: 56px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.ml-classroom-icon svg { width: 28px; height: 28px; fill: currentColor; }
.ml-classroom-info { flex: 1; }
.ml-classroom-title { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.ml-classroom-desc { font-size: 13px; color: var(--ml-text-2); margin-bottom: 10px; line-height: 1.5; }
.ml-classroom-meta {
    display: flex; flex-wrap: wrap; gap: 8px 16px;
    font-size: 12px; color: var(--ml-text-3);
}

/* Classroom card layout */
.ml-classroom-card-top, .ml-classroom-home-top {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 12px;
}
.ml-classroom-card {
    flex-direction: column;
}
.ml-classroom-actions {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--ml-border);
}

/* Join mode badges */
.ml-join-badge {
    display: inline-block;
    padding: 4px 14px; border-radius: 20px;
    font-size: 12px; font-weight: 600;
    letter-spacing: 0.3px;
    border: 1px solid;
}
.ml-join-open {
    background: var(--ml-accent-soft);
    color: var(--ml-accent);
    border-color: var(--ml-accent-border);
}
.ml-join-apply {
    background: rgba(245,158,11,0.10);
    color: #f59e0b;
    border-color: rgba(245,158,11,0.22);
}
.ml-join-invite {
    background: var(--ml-surface-2);
    color: var(--ml-text-3);
    border-color: var(--ml-border);
}

/* Small buttons */
.ml-btn-sm {
    padding: 7px 18px;
    font-size: 13px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}
.ml-btn-disabled {
    background: var(--ml-surface-2);
    color: var(--ml-text-3);
    border: 1px solid var(--ml-border);
    cursor: default;
}

/* Pagination */
.ml-pagination {
    display: flex; align-items: center; justify-content: center;
    gap: 16px; margin-top: 40px;
}
.ml-page-info { font-size: 14px; color: var(--ml-text-2); }

/* Empty state */
.ml-empty-state {
    grid-column: 1 / -1;
    text-align: center; padding: 60px 20px;
    color: var(--ml-text-2); font-size: 15px;
}

@media (max-width: 768px) {
    .ml-classrooms-grid { grid-template-columns: 1fr; }
    .ml-classroom-card { flex-direction: column; }
}

/* ============================================================
   Course & Program Detail Pages
   ============================================================ */

/* ── Detail Layout (course, program, classroom) ── */
.ml-course-detail {
    padding-top: 100px;
    background: linear-gradient(180deg, var(--ml-surface-2) 0%, var(--ml-bg) 40%);
}
.ml-course-detail-inner {
    max-width: 1440px; margin: 0 auto;
    padding: 40px 32px 60px;
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 48px;
    align-items: start;
}
.ml-course-detail-sidebar {
    position: sticky; top: 90px;
}
.ml-course-breadcrumb {
    display: flex; gap: 8px; align-items: center;
    font-size: 13px; color: var(--ml-text-3);
    margin-bottom: 16px;
}
.ml-course-breadcrumb a { color: var(--ml-text-3); text-decoration: none; transition: color 0.2s; }
.ml-course-breadcrumb a:hover { color: var(--ml-accent); }
.ml-course-hero-title {
    font-family: var(--ml-font-serif);
    font-size: 36px; font-weight: 700;
    line-height: 1.2; margin-bottom: 16px;
}
.ml-course-hero-desc {
    font-size: 15px; line-height: 1.7;
    color: var(--ml-text-2);
    margin-bottom: 20px;
}
.ml-course-hero-meta {
    display: flex; flex-wrap: wrap; gap: 8px 20px;
    font-size: 13px; color: var(--ml-text-3);
    margin-bottom: 20px;
}
.ml-course-rating-badge .stars { color: #f59e0b; }
.ml-course-hero-creator {
    display: flex; align-items: center; gap: 12px;
    font-size: 14px; color: var(--ml-text-2);
}
.ml-creator-avatar {
    width: 40px; height: 40px; border-radius: 50%;
    object-fit: cover;
}
.ml-creator-avatar-placeholder {
    background: var(--ml-accent-soft);
    color: var(--ml-accent);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 16px;
    border: 2px solid var(--ml-accent-border);
}
.ml-program-badge {
    display: inline-block;
    padding: 4px 14px; border-radius: 20px;
    font-size: 12px; font-weight: 600;
    background: var(--ml-accent-soft);
    color: var(--ml-accent);
    border: 1px solid var(--ml-accent-border);
    margin-bottom: 12px;
}

/* ── Sidebar Card ── */
.ml-course-hero-card {
    position: sticky; top: 90px;
    background: var(--ml-surface-2);
    border: 1px solid var(--ml-border);
    border-radius: 16px;
    overflow: hidden;
}
.ml-course-card-thumb {
    height: 180px;
    display: flex; align-items: center; justify-content: center;
}
.ml-course-card-thumb svg {
    width: 48px; height: 48px; fill: currentColor; opacity: 0.6;
}
.ml-course-card-price {
    padding: 20px 24px 0;
    display: flex; align-items: baseline; gap: 8px;
}
.ml-price-tag {
    font-size: 28px; font-weight: 800;
    font-family: var(--ml-font);
}
.ml-price-tag.free { color: var(--ml-accent); }
.ml-price-type { font-size: 13px; color: var(--ml-text-3); }
.ml-btn-full {
    display: block; width: calc(100% - 48px);
    margin: 16px 24px;
    text-align: center; padding: 14px; border-radius: 10px;
    font-size: 15px; font-weight: 600;
    text-decoration: none;
}
.ml-course-card-features {
    list-style: none; padding: 0 24px 24px;
    display: flex; flex-direction: column; gap: 12px;
}
.ml-course-card-features li {
    display: flex; align-items: center; gap: 10px;
    font-size: 13px; color: var(--ml-text-2);
}
.ml-course-card-features li svg {
    width: 18px; height: 18px; fill: var(--ml-text-3); flex-shrink: 0;
}

/* Classroom access notice */
.ml-classroom-access-notice {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 10px 24px 0;
    padding: 10px 14px;
    background: rgba(34,197,94,0.08);
    border: 1px solid rgba(34,197,94,0.2);
    border-radius: 8px;
    font-size: 13px;
    color: var(--ml-text-2);
}
.ml-classroom-access-notice svg {
    color: #22c55e;
    flex-shrink: 0;
}
.ml-classroom-access-notice a {
    color: var(--ml-accent);
    text-decoration: none;
}
.ml-classroom-access-notice a:hover {
    text-decoration: underline;
}

/* Enrollment progress in card */
.ml-course-card-enrolled { padding: 16px 24px; }
.ml-enroll-progress-bar {
    height: 6px; border-radius: 3px;
    background: var(--ml-surface-3);
    overflow: hidden; margin-bottom: 8px;
}
.ml-enroll-progress-fill {
    height: 100%; border-radius: 3px;
    background: var(--ml-accent);
    transition: width 0.4s ease;
}
.ml-enroll-progress-text {
    font-size: 12px; color: var(--ml-text-3); display: block; margin-bottom: 8px;
}

/* ── Content Area (shared by program & classroom) ── */
.ml-course-content { padding: 0 0 60px; max-width: 1440px; }
.ml-course-main {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 32px 0;
}
.ml-course-main h2 {
    font-family: var(--ml-font-serif);
    font-size: 24px; font-weight: 700;
    margin-bottom: 12px;
}

/* ── Course Detail Content Sections ── */
.ml-course-content-sections {
    padding-top: 48px;
}
.ml-course-content-sections h2 {
    font-family: var(--ml-font-serif);
    font-size: 24px; font-weight: 700;
    margin-bottom: 12px;
}
.ml-course-about { margin-bottom: 48px; }
.ml-course-about-hero {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--ml-border);
}
.ml-course-about-hero h2 {
    font-size: 20px;
}
.ml-course-description {
    font-size: 15px; line-height: 1.8;
    color: var(--ml-text-2);
}
.ml-course-tags {
    display: flex; flex-wrap: wrap; gap: 8px;
    margin-top: 20px;
}
.ml-tag {
    display: inline-block;
    padding: 5px 14px; border-radius: 20px;
    font-size: 12px; font-weight: 500;
    background: var(--ml-surface-3);
    color: var(--ml-text-2);
    border: 1px solid var(--ml-border);
}

/* ── Lesson List ── */
.ml-lesson-list { margin-bottom: 48px; }
.ml-lesson-summary {
    font-size: 14px; color: var(--ml-text-3);
    margin-bottom: 20px;
}
.ml-lessons {
    display: flex; flex-direction: column; gap: 2px;
    border: 1px solid var(--ml-border);
    border-radius: 12px;
    overflow: hidden;
}
.ml-lesson-item {
    display: flex; align-items: center; gap: 16px;
    padding: 16px 20px;
    background: var(--ml-surface);
    transition: background 0.2s;
}
.ml-lesson-item:hover { background: var(--ml-surface-2); }
.ml-lesson-item.completed { opacity: 0.7; }
.ml-lesson-num {
    width: 32px; height: 32px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 600;
    background: var(--ml-surface-3);
    color: var(--ml-text-2);
    flex-shrink: 0;
}
.ml-lesson-check { width: 18px; height: 18px; fill: var(--ml-accent); }
.ml-lesson-info { flex: 1; }
.ml-lesson-title {
    font-size: 14px; font-weight: 500;
    margin-bottom: 4px;
}
.ml-lesson-meta {
    display: flex; gap: 12px;
    font-size: 12px; color: var(--ml-text-3);
}
.ml-lesson-right { flex-shrink: 0; }
.ml-lesson-lock { width: 16px; height: 16px; fill: var(--ml-text-3); }
.ml-lesson-preview-badge {
    font-size: 11px; font-weight: 600;
    padding: 3px 10px; border-radius: 12px;
    background: var(--ml-accent-soft);
    color: var(--ml-accent);
    border: 1px solid var(--ml-accent-border);
}

/* ── Reviews ── */
.ml-course-reviews { margin-bottom: 48px; }
.ml-reviews-summary {
    margin-bottom: 24px;
}
.ml-reviews-big-rating {
    display: flex; align-items: center; gap: 16px;
}
.ml-big-number {
    font-size: 48px; font-weight: 800;
    font-family: var(--ml-font);
    line-height: 1;
}
.ml-big-stars {
    color: #f59e0b;
    font-size: 20px;
    letter-spacing: 2px;
}
.ml-review-count { font-size: 13px; color: var(--ml-text-3); }
.ml-reviews-list {
    display: flex; flex-direction: column; gap: 16px;
}
.ml-review-card {
    padding: 20px;
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 12px;
}
.ml-review-header {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 12px;
}
.ml-review-avatar {
    width: 36px; height: 36px; border-radius: 50%;
    background: var(--ml-surface-3);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 600; color: var(--ml-text-2);
}
.ml-review-name { font-size: 14px; font-weight: 600; }
.ml-review-date { font-size: 12px; color: var(--ml-text-3); }
.ml-review-stars {
    margin-left: auto;
    color: #f59e0b; font-size: 14px; letter-spacing: 1px;
}
.ml-review-text {
    font-size: 14px; line-height: 1.7;
    color: var(--ml-text-2);
}

/* ── Related Courses ── */
.ml-related-courses { margin-bottom: 48px; }
.ml-related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 16px;
}

/* ── Program Course List ── */
.ml-program-courses-list { margin-bottom: 48px; }
.ml-program-course-items {
    display: flex; flex-direction: column; gap: 2px;
    border: 1px solid var(--ml-border);
    border-radius: 12px;
    overflow: hidden;
}
.ml-program-course-item {
    display: flex; align-items: center; gap: 16px;
    padding: 16px 20px;
    background: var(--ml-surface);
    text-decoration: none;
    color: inherit;
    transition: background 0.2s;
}
.ml-program-course-item:hover { background: var(--ml-surface-2); }
.ml-program-course-item.enrolled { border-left: 3px solid var(--ml-accent); }
.ml-program-course-num {
    width: 32px; height: 32px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 600;
    background: var(--ml-surface-3);
    color: var(--ml-text-2);
    flex-shrink: 0;
}
.ml-program-course-thumb {
    width: 56px; height: 56px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; overflow: hidden;
}
.ml-program-course-thumb img { width: 100%; height: 100%; object-fit: cover; }
.ml-program-course-thumb svg { width: 24px; height: 24px; fill: currentColor; opacity: 0.6; }
.ml-program-course-info { flex: 1; }
.ml-program-course-info h3 {
    font-size: 15px; font-weight: 600;
    margin: 4px 0 6px;
    font-family: var(--ml-font);
}
.ml-program-course-arrow {
    color: var(--ml-text-3);
    flex-shrink: 0;
}

/* ── Program Phase Headers ── */
.ml-phase-header {
    margin-top: 32px; margin-bottom: 16px;
    padding-left: 4px;
}
.ml-phase-header:first-child { margin-top: 0; }
.ml-phase-title {
    font-size: 18px; font-weight: 700;
    font-family: var(--ml-font);
    display: flex; align-items: center; gap: 10px;
}
.ml-phase-title::before {
    content: '';
    width: 4px; height: 20px;
    background: var(--ml-accent);
    border-radius: 2px;
    flex-shrink: 0;
}
.ml-phase-desc {
    font-size: 13px; color: var(--ml-text-3);
    margin-top: 4px; padding-left: 14px;
}

/* ── From-Program Banner ── */
.ml-from-program-banner {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--ml-accent-soft);
    border: 1px solid var(--ml-accent-border);
    border-radius: 8px;
    padding: 8px 14px;
    font-size: 13px; color: var(--ml-text-2);
    margin-bottom: 12px;
}
.ml-from-program-banner svg {
    color: var(--ml-accent);
    flex-shrink: 0;
}
.ml-from-program-banner a {
    color: var(--ml-accent);
    font-weight: 600;
    text-decoration: none;
}
.ml-from-program-banner a:hover {
    text-decoration: underline;
}

/* ── Course Programs Section ── */
.ml-course-programs {
    margin-bottom: 40px;
}
.ml-course-programs h2 {
    font-size: 22px; font-weight: 700;
    margin-bottom: 16px;
    font-family: var(--ml-font);
}
.ml-course-programs-list {
    display: flex; flex-direction: column; gap: 10px;
}
.ml-course-program-link {
    display: flex; align-items: center; gap: 14px;
    padding: 14px 16px;
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s, background 0.2s;
}
.ml-course-program-link:hover {
    border-color: var(--ml-border-hover);
    background: var(--ml-surface-2);
}
.ml-course-program-link.current {
    border-color: var(--ml-accent-border);
    background: var(--ml-accent-soft);
}
.ml-course-program-icon {
    width: 44px; height: 44px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.ml-course-program-icon svg {
    width: 22px; height: 22px; fill: currentColor; opacity: 0.7;
}
.ml-course-program-info {
    flex: 1; display: flex; flex-direction: column; gap: 2px;
}
.ml-course-program-label {
    font-size: 11px; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.5px; color: var(--ml-accent);
}
.ml-course-program-name {
    font-size: 15px; font-weight: 600;
    font-family: var(--ml-font);
}
.ml-course-program-meta {
    font-size: 12px; color: var(--ml-text-3);
}
.ml-course-program-arrow {
    color: var(--ml-text-3);
    flex-shrink: 0;
    transition: transform 0.2s;
}
.ml-course-program-link:hover .ml-course-program-arrow {
    transform: translateX(2px);
    color: var(--ml-text-2);
}

/* ── Clickable Lesson Items ── */
a.ml-lesson-item.clickable {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}
a.ml-lesson-item.clickable:hover {
    background: var(--ml-accent-soft);
    border-color: var(--ml-accent-border);
}

/* ── Lesson Viewer ── */
.ml-lesson-viewer {
    display: grid;
    grid-template-columns: 300px 1fr;
    min-height: calc(100vh - 72px);
    position: relative;
}
.ml-lesson-viewer.ml-lesson-has-chat {
    grid-template-columns: 300px 1fr 320px;
}

/* Course teacher badge on course cards */
.ml-course-teacher-badge {
    font-size: 11px;
    color: #ea580c;
    display: flex;
    align-items: center;
    gap: 3px;
    margin-top: 2px;
}

/* Online viewers strip */
.ml-lesson-viewers {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    margin-top: 16px;
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 8px;
    font-size: 12px;
    color: var(--ml-text-2);
    flex-wrap: wrap;
}
.ml-viewer-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: var(--ml-accent-soft, rgba(99,102,241,0.08));
    border-radius: 12px;
    font-size: 11px;
    color: var(--ml-text-1);
    white-space: nowrap;
}
.ml-viewer-avatar {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--ml-accent);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    font-weight: 700;
}

/* Course chat pane on lesson page */
.ml-course-chat-pane {
    position: sticky;
    top: 72px;
    height: calc(100vh - 72px);
    border-left: 1px solid var(--ml-border);
}

/* Quiz popup dismiss button */
.ml-quiz-popup-dismiss {
    display: block;
    margin: 12px auto 0;
    padding: 6px 20px;
    border: 1px solid var(--ml-border);
    border-radius: 6px;
    background: transparent;
    color: var(--ml-text-2);
    cursor: pointer;
    font-size: 13px;
}
.ml-quiz-popup-dismiss:hover {
    background: var(--ml-surface);
}

/* Sidebar */
.ml-lesson-sidebar {
    position: sticky;
    top: 72px;
    height: calc(100vh - 72px);
    overflow-y: auto;
    background: var(--ml-surface);
    border-right: 1px solid var(--ml-border);
}
.ml-lesson-sidebar-header {
    padding: 20px 16px;
    border-bottom: 1px solid var(--ml-border);
}
.ml-lesson-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--ml-text-3);
    text-decoration: none;
    transition: color 0.2s;
}
.ml-lesson-back:hover { color: var(--ml-accent); }
.ml-lesson-sidebar-course {
    font-size: 15px;
    font-weight: 600;
    margin: 10px 0 0;
    font-family: var(--ml-font);
    line-height: 1.3;
}
.ml-lesson-sidebar-progress {
    margin-top: 12px;
}
.ml-lesson-sidebar-pct {
    font-size: 12px;
    color: var(--ml-text-3);
    margin-top: 4px;
    display: block;
}
.ml-lesson-sidebar-list {
    padding: 8px 0;
}
.ml-lesson-sidebar-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    font-size: 13px;
    color: var(--ml-text-2);
    text-decoration: none;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}
.ml-lesson-sidebar-item:hover {
    background: var(--ml-surface-2);
}
.ml-lesson-sidebar-item.active {
    background: var(--ml-accent-soft);
    border-left-color: var(--ml-accent);
    color: var(--ml-text);
    font-weight: 600;
}
.ml-lesson-sidebar-item.done .ml-lesson-sidebar-num {
    color: var(--ml-accent);
}
.ml-lesson-sidebar-num {
    width: 22px;
    text-align: center;
    flex-shrink: 0;
    font-weight: 600;
    font-size: 12px;
}
.ml-lesson-sidebar-title {
    flex: 1;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.ml-lesson-sidebar-dur {
    font-size: 11px;
    color: var(--ml-text-3);
    flex-shrink: 0;
}
.ml-lesson-sidebar-toggle {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 50;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--ml-accent);
    color: #fff;
    border: none;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

/* Main Content */
.ml-lesson-main {
    padding: 40px 48px 80px;
    max-width: 900px;
}
.ml-lesson-header {
    margin-bottom: 32px;
}
.ml-lesson-header-num {
    font-size: 13px;
    color: var(--ml-text-3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}
.ml-lesson-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin: 8px 0 0;
    font-family: var(--ml-font-display);
    line-height: 1.2;
}
.ml-lesson-header-meta {
    display: flex;
    gap: 12px;
    margin-top: 8px;
    font-size: 13px;
    color: var(--ml-text-3);
}
.ml-lesson-header-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Lesson Text Content */
.ml-lesson-text {
    font-size: 16px;
    line-height: 1.85;
    color: var(--ml-text-2);
}
.ml-lesson-text h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--ml-text);
    margin: 32px 0 12px;
    font-family: var(--ml-font-display);
}
.ml-lesson-text h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ml-text);
    margin: 24px 0 8px;
}
.ml-lesson-text p {
    margin-bottom: 16px;
}
.ml-lesson-text ul, .ml-lesson-text ol {
    margin: 0 0 16px 24px;
}
.ml-lesson-text li {
    margin-bottom: 6px;
}
.ml-lesson-text img {
    max-width: 100%;
    border-radius: 8px;
    margin: 16px 0;
}
.ml-lesson-text strong { color: var(--ml-text); }
.ml-lesson-text a {
    color: var(--ml-accent);
    text-decoration: underline;
}
.ml-lesson-text blockquote {
    border-left: 3px solid var(--ml-accent);
    padding: 12px 20px;
    margin: 16px 0;
    background: var(--ml-accent-soft);
    border-radius: 0 8px 8px 0;
    font-style: italic;
}

/* Figures / Illustrations */
.ml-lesson-figures {
    margin-top: 32px;
}
.ml-lesson-figure {
    margin: 24px 0;
    text-align: center;
}
.ml-lesson-figure img {
    max-width: 100%;
    border-radius: 8px;
    border: 1px solid var(--ml-border);
}
.ml-lesson-figure figcaption {
    font-size: 13px;
    color: var(--ml-text-3);
    margin-top: 8px;
    font-style: italic;
}
.ml-resource-attribution {
    display: block;
    font-size: 11px;
    color: var(--ml-text-3);
    opacity: 0.7;
    margin-top: 2px;
}
.ml-lesson-resource-doc {
    margin: 16px 0;
}
.ml-lesson-resource-doc a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--ml-surface-2);
    border-radius: 6px;
    color: var(--ml-primary);
    text-decoration: none;
    font-size: 14px;
}
.ml-lesson-resource-doc a:hover {
    background: var(--ml-surface-3);
}

/* Audio Player */
.ml-audio-player {
    margin-bottom: 32px;
    padding: 20px;
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 12px;
}
.ml-audio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--ml-text-2);
    margin-bottom: 12px;
}
.ml-audio-label svg { color: var(--ml-accent); }
.ml-audio-player audio {
    width: 100%;
    border-radius: 8px;
}

/* Slides + Audio Player */
.ml-slide-player {
    margin-bottom: 32px;
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 12px;
    overflow: hidden;
}
.ml-slide-display {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #000;
}
.ml-slide-display img.ml-slide-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0;
    transition: opacity 0.6s ease;
}
.ml-slide-display img.ml-slide-img.active {
    opacity: 1;
}
.ml-slide-counter {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(0,0,0,0.7);
    color: #fff;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}
.ml-slide-audio {
    padding: 12px 16px;
    border-top: 1px solid var(--ml-border);
}
.ml-slide-audio audio {
    width: 100%;
}
.ml-slide-thumbs {
    display: flex;
    gap: 6px;
    padding: 10px 16px;
    overflow-x: auto;
    border-top: 1px solid var(--ml-border);
    background: var(--ml-surface-2);
}
.ml-slide-thumb {
    flex-shrink: 0;
    width: 64px;
    cursor: pointer;
    background: none;
    border: 2px solid transparent;
    border-radius: 6px;
    padding: 2px;
    transition: border-color 0.2s;
    position: relative;
}
.ml-slide-thumb.active {
    border-color: var(--ml-accent);
}
.ml-slide-thumb img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 4px;
}
.ml-slide-thumb span {
    font-size: 10px;
    color: var(--ml-text-3);
    display: block;
    text-align: center;
    margin-top: 2px;
}

/* Lesson Bottom Nav */
.ml-lesson-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--ml-border);
    gap: 12px;
}
.ml-lesson-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.ml-lesson-completed-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--ml-accent);
    font-size: 14px;
    font-weight: 600;
}

/* ── Responsive Detail ── */
@media (max-width: 900px) {
    .ml-course-detail-inner {
        grid-template-columns: 1fr;
        padding: 24px 20px 32px;
    }
    .ml-course-detail-sidebar {
        position: static;
        order: -1;
    }
    .ml-course-hero-card {
        position: static;
        max-width: 400px;
    }
    .ml-course-hero-title { font-size: 28px; }
    .ml-course-main { padding: 0 20px 40px; }
    .ml-course-content-sections { padding-top: 32px; }
    .ml-related-grid { grid-template-columns: 1fr; }
}

/* ── Responsive Lesson Viewer ── */
@media (max-width: 768px) {
    .ml-lesson-viewer {
        grid-template-columns: 1fr;
    }
    .ml-lesson-viewer.ml-lesson-has-chat {
        grid-template-columns: 1fr;
    }
    .ml-lesson-sidebar {
        position: fixed;
        top: 72px;
        left: -320px;
        width: 300px;
        z-index: 100;
        transition: left 0.3s;
        box-shadow: 4px 0 20px rgba(0,0,0,0.2);
    }
    .ml-lesson-sidebar.open {
        left: 0;
    }
    .ml-lesson-sidebar-toggle {
        display: flex;
    }
    .ml-lesson-main {
        padding: 24px 20px 80px;
    }
    .ml-lesson-header h1 {
        font-size: 22px;
    }
    .ml-lesson-nav {
        flex-direction: column;
    }
    /* Course chat pane — hidden on mobile, FAB shown instead */
    .ml-course-chat-pane {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1000;
        height: 100vh;
        border-left: none;
    }
    .ml-course-chat-pane.open {
        display: flex;
        flex-direction: column;
    }
    .ml-course-chat-fab {
        display: flex;
    }
    /* Online viewers — compact on mobile */
    .ml-lesson-viewers {
        padding: 6px 12px;
        gap: 4px;
    }
    /* Quiz popup — fullscreen on mobile */
    .ml-quiz-popup-overlay.ml-course-quiz-overlay {
        align-items: stretch;
    }
    .ml-course-quiz-overlay .ml-quiz-popup {
        border-radius: 0;
        max-width: 100%;
        height: 100vh;
        overflow-y: auto;
    }
}

/* ── Creator Dashboard ── */
.ml-creator-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    flex-wrap: wrap;
}
.ml-edit-status {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
}
.ml-edit-code {
    font-size: 12px;
    color: var(--ml-text-3);
    font-family: monospace;
}

/* Status badges */
.ml-status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.ml-status-draft {
    background: var(--ml-surface-2);
    color: var(--ml-text-3);
}
.ml-status-review {
    background: rgba(255,180,50,0.15);
    color: rgb(200,140,30);
}
.ml-status-approved {
    background: var(--ml-accent-soft);
    color: var(--ml-accent);
}
.ml-status-rejected {
    background: rgba(255,80,80,0.15);
    color: rgb(200,60,60);
}

/* My Courses Grid */
.ml-my-courses-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 24px;
}
.ml-my-course-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 20px;
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 12px;
    transition: border-color 0.2s;
}
.ml-my-course-card:hover {
    border-color: var(--ml-accent-border);
}
.ml-my-course-top {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
    min-width: 0;
}
.ml-my-course-thumb {
    width: 56px;
    height: 56px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}
.ml-my-course-thumb svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
    opacity: 0.6;
}
.ml-my-course-info h3 {
    font-size: 15px;
    font-weight: 600;
    margin: 0;
}
.ml-my-course-meta {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 4px;
    font-size: 13px;
    color: var(--ml-text-3);
}
.ml-my-course-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

/* Forms */
.ml-form {
    max-width: 800px;
    margin-top: 32px;
}
.ml-form-section {
    margin-bottom: 36px;
}
.ml-form-section-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    font-family: var(--ml-font-display);
    color: var(--ml-text);
}
.ml-field {
    margin-bottom: 20px;
}
.ml-field label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--ml-text-2);
    margin-bottom: 6px;
}
.ml-field input[type="text"],
.ml-field input[type="number"],
.ml-field select,
.ml-field textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 8px;
    color: var(--ml-text);
    font-size: 14px;
    font-family: var(--ml-font);
    transition: border-color 0.2s;
}
.ml-field input:focus,
.ml-field select:focus,
.ml-field textarea:focus {
    outline: none;
    border-color: var(--ml-accent);
}
.ml-field textarea {
    min-height: 100px;
    resize: vertical;
}
.ml-field input[type="file"] {
    font-size: 13px;
    color: var(--ml-text-2);
}
.ml-field input[type="checkbox"] {
    margin-right: 8px;
    accent-color: var(--ml-accent);
}
.ml-field-optional {
    font-weight: 400;
    color: var(--ml-text-3);
    font-size: 12px;
}
.ml-field-hint {
    font-weight: 400;
    color: var(--ml-text-3);
    font-size: 11px;
}
.ml-field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.ml-editor-toolbar {
    display: flex;
    gap: 6px;
    margin-bottom: 6px;
}
.ml-editor-toolbar .ml-insert-image-btn {
    font-size: 12px;
    padding: 4px 10px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.ml-form-actions {
    display: flex;
    gap: 12px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--ml-border);
}
.ml-text-muted {
    color: var(--ml-text-3);
    font-size: 14px;
}

/* Button danger variant */
.ml-btn-danger {
    color: rgb(200,60,60) !important;
    border-color: rgba(200,60,60,0.3) !important;
}
.ml-btn-danger:hover {
    background: rgba(200,60,60,0.1) !important;
}

/* Edit Lessons List */
.ml-edit-lessons-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.ml-edit-lesson-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 8px;
    transition: border-color 0.2s;
}
.ml-edit-lesson-item:hover {
    border-color: var(--ml-accent-border);
}
.ml-edit-lesson-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--ml-surface-2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: var(--ml-text-3);
    flex-shrink: 0;
}
.ml-edit-lesson-info {
    flex: 1;
    min-width: 0;
}
.ml-edit-lesson-title {
    font-size: 14px;
    font-weight: 600;
}
.ml-edit-lesson-meta {
    display: flex;
    gap: 8px;
    font-size: 12px;
    color: var(--ml-text-3);
    margin-top: 2px;
}
.ml-edit-lesson-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

/* Edit Figures Grid */
.ml-edit-figures-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}
.ml-edit-figure-card {
    position: relative;
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 8px;
    overflow: hidden;
}
.ml-edit-figure-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}
.ml-edit-figure-info {
    padding: 6px 8px;
    font-size: 11px;
    color: var(--ml-text-3);
}
.ml-edit-figure-delete {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(200,60,60,0.9);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Empty state */
.ml-empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--ml-text-3);
}
.ml-empty-state svg {
    opacity: 0.3;
    margin-bottom: 16px;
}
.ml-empty-state h3 {
    font-size: 20px;
    color: var(--ml-text-2);
    margin-bottom: 8px;
}
.ml-empty-state p {
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .ml-field-row {
        grid-template-columns: 1fr;
    }
    .ml-my-course-card {
        flex-direction: column;
        align-items: flex-start;
    }
    .ml-edit-figures-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
}

/* ── Sync Editor ── */
.ml-sync-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.ml-sync-slides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}
.ml-sync-slide-card {
    background: var(--ml-surface);
    border: 2px solid var(--ml-border);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color 0.2s;
}
.ml-sync-slide-card img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}
.ml-sync-slide-info {
    padding: 8px 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
}
.ml-sync-slide-num {
    font-weight: 600;
    color: var(--ml-text-2);
}
.ml-sync-slide-time {
    color: var(--ml-accent);
    font-weight: 600;
    font-family: monospace;
}

/* -- Classroom Detail & Interior -- */
.ml-classroom-interior-header {
    padding: 100px 40px 40px;
    max-width: 900px;
    margin: 0 auto;
}
.ml-classroom-interior-header h1 {
    font-family: 'Playfair Display', serif;
    font-size: 32px;
    font-weight: 700;
    margin: 12px 0 8px;
}
.ml-classroom-courses {
    padding-top: 0;
}
.ml-classroom-pending {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px;
    background: var(--ml-surface-2);
    border: 1px solid var(--ml-border);
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--ml-text-2);
}

/* Members list — adaptive columns */
.ml-members-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
}
.ml-member-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 10px;
    transition: border-color 0.2s;
}
.ml-member-item:hover {
    border-color: var(--ml-accent-border);
}
.ml-member-avatar-wrap {
    position: relative;
    flex-shrink: 0;
}
.ml-member-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.ml-member-name {
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.ml-member-role {
    font-size: 11px;
    color: var(--ml-text-3);
}

/* Online status dot */
.ml-status-dot {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--ml-text-3);
    border: 2px solid var(--ml-surface);
    transition: background 0.3s;
}
.ml-status-dot.online,
.ml-status-dot.ml-presence-here {
    background: #22c55e;
}
/* 3-state presence: green=here, orange=online elsewhere, gray=offline */
.ml-presence-here { background: #22c55e; }
.ml-presence-online { background: #f59e0b; }
.ml-presence-offline { background: var(--ml-text-3); }

/* -- Class Chat Pane (right column, sticky in dashboard layout) -- */
.ml-chat-pane {
    width: 340px;
    flex-shrink: 0;
    position: sticky;
    top: 68px;
    height: calc(100vh - 68px);
    display: flex;
    flex-direction: column;
    background: var(--ml-bg);
    border-left: 1px solid var(--ml-border);
    transition: width 0.3s ease;
    overflow: hidden;
}
/* Fixed chat pane variant (course view — sticks to bottom-right) */
.ml-chat-pane.ml-chat-fixed {
    position: fixed;
    top: auto;
    bottom: 0;
    right: 0;
    height: min(70vh, calc(100vh - 68px));
    border-radius: 12px 0 0 0;
    border: 1px solid var(--ml-border);
    border-right: none;
    border-bottom: none;
    box-shadow: -4px -4px 24px rgba(0,0,0,0.15);
    z-index: 150;
}
.ml-chat-pane.ml-chat-fixed.ml-chat-minimized {
    height: auto;
    border-radius: 12px 0 0 12px;
}
/* ── Chat/Pulse Tabs ── */
.ml-cc-tabs {
    display: flex;
    gap: 2px;
    flex: 1;
    min-width: 0;
}
.ml-cc-tab {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--ml-text-2);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
    white-space: nowrap;
    position: relative;
}
.ml-cc-tab:hover { color: var(--ml-text); }
.ml-cc-tab.active {
    color: var(--ml-accent);
    border-bottom-color: var(--ml-accent);
}
.ml-cc-tab svg { flex-shrink: 0; }
.ml-cc-pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ef4444;
    animation: ml-pulse-blink 1.2s infinite;
}
@keyframes ml-pulse-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}
.ml-cc-panel {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.ml-chat-minimized .ml-cc-tabs { display: none; }
/* Pulse tab content */
.ml-cc-pulse-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}
.ml-cc-pulse-qheader {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--ml-border);
    flex-shrink: 0;
}
.ml-cc-pulse-qlabel {
    font-size: 11px;
    font-weight: 700;
    color: var(--ml-accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex: 1;
}
.ml-cc-pulse-question {
    padding: 12px 14px;
    font-size: 14px;
    font-weight: 600;
    color: var(--ml-text);
    border-bottom: 1px solid var(--ml-border);
    flex-shrink: 0;
}
.ml-cc-pulse-responses {
    flex: 1;
    overflow-y: auto;
    padding: 8px 14px;
}
.ml-cc-pulse-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 32px 16px;
    text-align: center;
    color: var(--ml-text-2);
    font-size: 13px;
}

/* Active pulses list (classroom interior) */
.ml-active-pulses {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.ml-active-pulse-card {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 10px;
    transition: border-color 0.15s;
}
.ml-active-pulse-card:hover {
    border-color: var(--ml-accent-border);
}
.ml-active-pulse-link {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
    text-decoration: none;
    color: inherit;
}
.ml-active-pulse-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ef4444;
    flex-shrink: 0;
    animation: ml-pulse-blink 1.2s infinite;
}
.ml-active-pulse-info {
    min-width: 0;
}
.ml-active-pulse-q {
    font-size: 13px;
    font-weight: 600;
    color: var(--ml-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.ml-active-pulse-meta {
    font-size: 11px;
    color: var(--ml-text-3);
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 2px;
}
.ml-active-pulse-delete {
    padding: 6px;
    background: none;
    border: 1px solid transparent;
    border-radius: 6px;
    color: var(--ml-text-3);
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.15s;
}
.ml-active-pulse-delete:hover {
    color: #ef4444;
    border-color: rgba(239,68,68,0.3);
    background: rgba(239,68,68,0.08);
}

/* Pulse duration selector */
.ml-pulse-duration-options {
    display: flex;
    gap: 6px;
}
.ml-pulse-dur-btn {
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--ml-border);
    border-radius: 8px;
    background: var(--ml-surface);
    color: var(--ml-text-2);
    cursor: pointer;
    transition: all 0.15s;
}
.ml-pulse-dur-btn:hover {
    border-color: var(--ml-accent-border);
    color: var(--ml-text);
}
.ml-pulse-dur-btn.active {
    background: var(--ml-accent-soft);
    border-color: var(--ml-accent);
    color: var(--ml-accent);
}

.ml-chat-pane-hidden { display: none; }
.ml-chat-pane.ml-chat-minimized {
    width: 48px;
}
.ml-chat-pane-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--ml-card-bg);
    border-bottom: 1px solid var(--ml-border);
    cursor: pointer;
    flex-shrink: 0;
    user-select: none;
}
.ml-chat-minimized .ml-chat-pane-header {
    flex-direction: column;
    padding: 12px 6px;
    gap: 8px;
    align-items: center;
    justify-content: flex-start;
    height: 100%;
    overflow: hidden;
}
.ml-chat-pane-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    color: var(--ml-text);
    white-space: nowrap;
    overflow: hidden;
}
.ml-chat-minimized .ml-chat-pane-title {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-size: 12px;
    gap: 6px;
}
.ml-chat-pane-title svg {
    color: var(--ml-accent);
    flex-shrink: 0;
}
.ml-chat-unread {
    background: #ef4444;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
    line-height: 16px;
}
.ml-chat-unread.ml-chat-unread-pulse {
    animation: chatUnreadPulse 1s ease-in-out 3;
}
@keyframes chatUnreadPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.25); }
}
.ml-chat-minimize {
    background: none;
    border: none;
    color: var(--ml-text-3);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    transition: background 0.15s, transform 0.3s;
}
.ml-chat-minimize:hover { background: var(--ml-surface-2); }
.ml-chat-minimized .ml-chat-minimize svg {
    transform: rotate(180deg);
}
.ml-chat-pane-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}
.ml-chat-minimized .ml-chat-pane-body {
    display: none;
}
.ml-chat-disabled-notice {
    text-align: center;
    padding: 24px 16px;
    color: var(--ml-text-3);
    font-size: 13px;
    font-style: italic;
}
.ml-chat-messages {
    padding: 12px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}
/* Mobile close button — hidden on desktop */
.ml-chat-mobile-close { display: none; }

/* Mobile Chat FAB */
.ml-chat-fab {
    display: none; /* shown via media query on mobile */
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--ml-accent);
    color: #fff;
    border: none;
    cursor: pointer;
    z-index: 160;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
    transition: transform 0.2s, box-shadow 0.2s;
}
.ml-chat-fab:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 24px rgba(0,0,0,0.4);
}
.ml-chat-fab-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background: #ef4444;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
    line-height: 16px;
}
.ml-chat-fab-badge.ml-chat-unread-pulse {
    animation: chatUnreadPulse 1s ease-in-out 3;
}
/* Mobile chat overlay (full-screen when FAB is tapped) */
.ml-chat-pane.ml-chat-mobile-open {
    display: flex;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    width: 100%;
    height: 100%;
    z-index: 200;
    border-left: none;
    border-radius: 0;
}
.ml-chat-empty {
    text-align: center;
    padding: 40px 16px;
    color: var(--ml-text-3);
    font-size: 13px;
}
.ml-chat-msg {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    max-width: 92%;
}
.ml-chat-msg.ml-chat-self {
    align-self: flex-end;
    flex-direction: row-reverse;
}
.ml-chat-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--ml-surface-2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: var(--ml-text-2);
    flex-shrink: 0;
}
/* Teacher avatar: orange */
.ml-chat-avatar-teacher {
    background: rgba(234,88,12,0.15);
    color: #ea580c;
}
/* Assistant avatar: light blue */
.ml-chat-avatar-assistant {
    background: rgba(56,189,248,0.15);
    color: #0ea5e9;
}
.ml-chat-bubble {
    background: var(--ml-surface-2);
    border-radius: 12px;
    padding: 6px 10px;
    min-width: 0;
}
/* Admin bubble: purple accent */
.ml-chat-role-admin .ml-chat-bubble {
    background: rgba(139,92,246,0.10);
    border-left: 3px solid #8b5cf6;
}
/* Teacher bubble: orange accent */
.ml-chat-role-teacher .ml-chat-bubble {
    background: rgba(234,88,12,0.10);
    border-left: 3px solid #ea580c;
}
/* Assistant bubble: light blue accent */
.ml-chat-role-assistant .ml-chat-bubble {
    background: rgba(56,189,248,0.10);
    border-left: 3px solid #0ea5e9;
}
/* Self messages override role styling */
.ml-chat-self .ml-chat-bubble {
    background: var(--ml-accent);
    color: #fff;
    border-left: none;
}
.ml-chat-self .ml-chat-avatar {
    background: var(--ml-accent);
    color: #fff;
}
/* Self + admin/teacher/assistant keep their accent */
.ml-chat-self.ml-chat-role-admin .ml-chat-bubble {
    background: #8b5cf6;
}
.ml-chat-self.ml-chat-role-admin .ml-chat-avatar {
    background: #8b5cf6;
}
.ml-chat-self.ml-chat-role-teacher .ml-chat-bubble {
    background: #ea580c;
}
.ml-chat-self.ml-chat-role-teacher .ml-chat-avatar {
    background: #ea580c;
}
.ml-chat-self.ml-chat-role-assistant .ml-chat-bubble {
    background: #0ea5e9;
}
.ml-chat-self.ml-chat-role-assistant .ml-chat-avatar {
    background: #0ea5e9;
}
.ml-chat-author {
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 2px;
    color: var(--ml-text-2);
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}
.ml-chat-self .ml-chat-author {
    color: rgba(255,255,255,0.8);
}
.ml-chat-badge {
    display: inline-block;
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 1px 5px;
    border-radius: 4px;
}
.ml-badge-admin {
    background: rgba(139,92,246,0.15);
    color: #8b5cf6;
}
.ml-badge-teacher {
    background: rgba(234,88,12,0.15);
    color: #ea580c;
}
.ml-badge-assistant {
    background: rgba(56,189,248,0.15);
    color: #0ea5e9;
}
.ml-chat-self .ml-badge-admin,
.ml-chat-self .ml-badge-teacher,
.ml-chat-self .ml-badge-assistant {
    background: rgba(255,255,255,0.2);
    color: #fff;
}
.ml-chat-time {
    font-weight: 400;
    opacity: 0.6;
    margin-left: auto;
    font-size: 10px;
}
.ml-chat-text {
    font-size: 13px;
    line-height: 1.4;
    word-break: break-word;
}
.ml-chat-input-row {
    display: flex;
    gap: 8px;
    padding: 10px 12px;
    border-top: 1px solid var(--ml-border);
    background: var(--ml-card-bg);
}
.ml-chat-input-row .ml-input {
    flex: 1;
    padding: 8px 10px;
    font-size: 13px;
}
.ml-chat-send {
    flex-shrink: 0;
    padding: 8px 12px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
}

/* Moderation UI */
.ml-member-mod {
    margin-left: auto;
    flex-shrink: 0;
}
.ml-mod-btn {
    background: none;
    border: none;
    color: var(--ml-text-3);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: background 0.15s;
}
.ml-mod-btn:hover {
    background: var(--ml-surface-2);
    color: var(--ml-text);
}
.ml-mod-menu {
    position: absolute;
    z-index: 1000;
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    min-width: 180px;
    padding: 6px 0;
}
.ml-mod-menu-header {
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 700;
    color: var(--ml-text-2);
    border-bottom: 1px solid var(--ml-border);
}
.ml-mod-menu-item {
    display: block;
    width: 100%;
    text-align: left;
    padding: 8px 14px;
    background: none;
    border: none;
    font-size: 13px;
    color: var(--ml-text);
    cursor: pointer;
    transition: background 0.1s;
}
.ml-mod-menu-item:hover {
    background: var(--ml-surface-2);
}
.ml-mod-menu-item.ml-mod-danger {
    color: #ef4444;
}
.ml-mod-menu-item.ml-mod-danger:hover {
    background: rgba(239,68,68,0.08);
}
.ml-mod-menu-section {
    padding: 6px 14px 2px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--ml-text-3);
}
.ml-mod-menu-divider {
    height: 1px;
    background: var(--ml-border);
    margin: 4px 0;
}

/* Settings gear button */
.ml-settings-gear {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--ml-text-3);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    vertical-align: middle;
    margin-left: 6px;
    transition: color 0.15s, background 0.15s;
}
.ml-settings-gear:hover {
    color: var(--ml-text);
    background: var(--ml-surface-2);
}

/* Settings modal overlay */
.ml-settings-overlay {
    position: fixed;
    inset: 0;
    z-index: 300;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s;
    backdrop-filter: blur(4px);
}
.ml-settings-overlay.open {
    opacity: 1;
    pointer-events: auto;
}
.ml-settings-modal {
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 16px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 480px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    transform: scale(0.95) translateY(10px);
    transition: transform 0.25s;
}
.ml-settings-overlay.open .ml-settings-modal {
    transform: scale(1) translateY(0);
}
.ml-settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--ml-border);
}
.ml-settings-header h2 {
    font-size: 18px;
    font-weight: 700;
    margin: 0;
    color: var(--ml-text);
}
.ml-settings-close {
    background: none;
    border: none;
    color: var(--ml-text-3);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: background 0.15s;
}
.ml-settings-close:hover {
    background: var(--ml-surface-2);
    color: var(--ml-text);
}
.ml-settings-body {
    padding: 20px 24px;
    overflow-y: auto;
    flex: 1;
}
.ml-settings-group {
    margin-bottom: 16px;
}
.ml-settings-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--ml-text);
    margin-bottom: 6px;
}
.ml-settings-hint {
    font-size: 12px;
    color: var(--ml-text-3);
    margin-top: 2px;
}
.ml-settings-divider {
    height: 1px;
    background: var(--ml-border);
    margin: 20px 0;
}
.ml-settings-section-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--ml-text-3);
    margin-bottom: 12px;
}
.ml-settings-inline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.ml-settings-inline .ml-settings-label {
    margin-bottom: 0;
    white-space: nowrap;
}
.ml-settings-code {
    display: flex;
    align-items: center;
    gap: 8px;
}
.ml-settings-code code {
    background: var(--ml-surface-2);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--ml-accent);
    letter-spacing: 0.5px;
}
.ml-copy-btn {
    background: none;
    border: none;
    color: var(--ml-text-3);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: color 0.15s;
}
.ml-copy-btn:hover { color: var(--ml-accent); }

/* Toggle row */
.ml-settings-toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.ml-settings-toggle-row .ml-settings-label {
    margin-bottom: 0;
}

/* Toggle switch */
.ml-toggle {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}
.ml-toggle input { opacity: 0; width: 0; height: 0; }
.ml-toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--ml-surface-2);
    border: 1px solid var(--ml-border);
    border-radius: 24px;
    cursor: pointer;
    transition: background 0.25s;
}
.ml-toggle-slider::before {
    content: '';
    position: absolute;
    left: 2px;
    top: 2px;
    width: 18px;
    height: 18px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.25s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.ml-toggle input:checked + .ml-toggle-slider {
    background: var(--ml-accent);
    border-color: var(--ml-accent);
}
.ml-toggle input:checked + .ml-toggle-slider::before {
    transform: translateX(20px);
}

/* Settings footer */
.ml-settings-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 24px;
    border-top: 1px solid var(--ml-border);
}
.ml-btn-ghost {
    padding: 8px 18px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    background: none;
    border: 1px solid var(--ml-border);
    color: var(--ml-text);
    cursor: pointer;
    transition: background 0.15s;
}
.ml-btn-ghost:hover {
    background: var(--ml-surface-2);
}

@media (max-width: 520px) {
    .ml-settings-modal {
        margin: 12px;
        max-height: 92vh;
    }
}

/* Form inputs for join flows */
.ml-textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 8px;
    color: var(--ml-text);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    resize: vertical;
    transition: border-color 0.2s;
}
.ml-textarea:focus {
    outline: none;
    border-color: var(--ml-accent);
}
.ml-input {
    width: 100%;
    padding: 10px 14px;
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 8px;
    color: var(--ml-text);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    transition: border-color 0.2s;
}
.ml-input:focus {
    outline: none;
    border-color: var(--ml-accent);
}

@media (max-width: 768px) {
    .ml-classroom-interior-header {
        padding: 90px 16px 24px;
    }
    .ml-classroom-interior-header h1 {
        font-size: 24px;
    }
    .ml-members-list {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }
    .ml-chat-pane {
        display: none; /* hidden on mobile, use FAB instead */
    }
    .ml-chat-fab {
        display: flex;
    }
    .ml-chat-pane.ml-chat-mobile-open {
        display: flex;
    }
    .ml-chat-mobile-close {
        display: flex !important;
    }
    .ml-chat-pane .ml-chat-minimize:not(.ml-chat-mobile-close) {
        display: none;
    }
    .ml-chat-msg {
        max-width: 95%;
    }
}

/* ── Lesson Gates ── */
.ml-gates-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 32px 20px 60px;
}
.ml-gates-header {
    margin-bottom: 32px;
}
.ml-gates-header h1 {
    font-size: 1.5rem;
    margin: 16px 0 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.ml-gates-header .ml-btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.ml-gates-course-section {
    margin-bottom: 28px;
    background: var(--ml-surface);
    border-radius: 12px;
    border: 1px solid var(--ml-border);
    overflow: hidden;
}
.ml-gates-course-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--ml-border);
    gap: 12px;
    flex-wrap: wrap;
}
.ml-gates-course-info h2 {
    font-size: 1.05rem;
    margin: 0 0 2px;
}
.ml-gates-lesson-list {
    padding: 0;
}
.ml-gates-lesson-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    border-bottom: 1px solid var(--ml-border);
    gap: 12px;
    transition: background 0.2s;
}
.ml-gates-lesson-row:last-child {
    border-bottom: none;
}
.ml-gates-lesson-row.unlocked {
    background: rgba(16, 185, 129, 0.05);
}
.ml-gates-lesson-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}
.ml-gates-lesson-num {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--ml-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
}
.ml-gates-lesson-row.unlocked .ml-gates-lesson-num {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}
.ml-gates-lesson-title {
    font-size: 0.9rem;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.ml-gates-dur {
    font-size: 0.8rem;
    flex-shrink: 0;
}
.ml-gates-lesson-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.ml-gates-mode-label {
    display: none;
}
.ml-gates-mode-select {
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid var(--ml-border);
    background: var(--ml-surface);
    color: var(--ml-text-1);
    font-size: 12px;
}
.ml-gates-date-input {
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid var(--ml-border);
    background: var(--ml-surface);
    color: var(--ml-text-1);
    font-size: 12px;
    max-width: 180px;
}
.ml-gate-toggle-btn {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: 1px solid var(--ml-border);
    background: var(--ml-surface);
    color: var(--ml-text-2);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}
.ml-gate-toggle-btn:hover {
    border-color: var(--ml-accent);
    color: var(--ml-accent);
}
.ml-gate-toggle-btn.unlocked {
    background: rgba(16, 185, 129, 0.12);
    border-color: #10b981;
    color: #10b981;
}
.ml-gate-bulk-btn {
    font-size: 12px;
}

/* Locked lesson sidebar item */
.ml-lesson-sidebar-item.locked {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}
.ml-lesson-sidebar-item.locked .ml-lesson-sidebar-num {
    color: var(--ml-text-3, #888);
}

@media (max-width: 640px) {
    .ml-gates-lesson-row {
        flex-wrap: wrap;
    }
    .ml-gates-lesson-controls {
        width: 100%;
        justify-content: flex-end;
    }
    .ml-gates-date-input {
        max-width: 140px;
    }
}

/* ── Lesson Uncomplete Button ── */
.ml-lesson-uncomplete-btn {
    cursor: pointer;
    border: none;
    background: none;
    transition: opacity 0.2s;
}
.ml-lesson-uncomplete-btn:hover {
    opacity: 0.6;
}
.ml-lesson-uncomplete-btn:hover::after {
    content: ' (undo)';
    font-size: 0.75rem;
    opacity: 0.6;
}
.ml-uncomplete-form {
    display: inline;
}

/* ── Quiz Form ── */
.ml-quiz-form-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 32px 20px 60px;
}
.ml-quiz-form-page .ml-form-section {
    background: var(--ml-surface);
    border-radius: 12px;
    border: 1px solid var(--ml-border);
    padding: 20px;
    margin-bottom: 20px;
}
.ml-quiz-form-header h1 {
    font-size: 1.4rem;
    margin: 16px 0;
}
.ml-form-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.ml-form-row .ml-form-group {
    flex: 1;
    min-width: 140px;
}
.ml-form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    cursor: pointer;
}
.ml-quiz-question-block {
    background: var(--ml-bg);
    border: 1px solid var(--ml-border);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
}
.ml-quiz-q-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}
.ml-quiz-choice-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}
.ml-quiz-correct-check {
    flex-shrink: 0;
}
.ml-quiz-choice-row .ml-input {
    flex: 1;
}
.ml-quiz-choice-row .ml-input-sm {
    max-width: 200px;
}
.ml-quiz-form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
}
.ml-quiz-active {
    background: rgba(16, 185, 129, 0.15) !important;
    border-color: #10b981 !important;
    color: #10b981 !important;
}

/* ── Quiz Take ── */
.ml-quiz-take-page {
    max-width: 750px;
    margin: 0 auto;
    padding: 32px 20px 60px;
}
.ml-quiz-take-header {
    margin-bottom: 28px;
}
.ml-quiz-take-header h1 {
    font-size: 1.4rem;
    margin: 0 0 8px;
}
.ml-quiz-take-meta {
    color: var(--ml-text-2);
    font-size: 0.85rem;
}
.ml-quiz-timer {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 6px;
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    font-weight: 600;
    font-size: 1.1rem;
    margin-top: 8px;
}
.ml-timer-warning {
    background: rgba(239, 68, 68, 0.12) !important;
    color: #ef4444 !important;
    border-color: #ef4444 !important;
}
.ml-quiz-question {
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
}
.ml-quiz-q-num {
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--ml-accent);
    margin-bottom: 6px;
}
.ml-quiz-q-text {
    font-size: 1rem;
    margin-bottom: 14px;
    line-height: 1.5;
}
.ml-quiz-choices-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.ml-quiz-choice {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid var(--ml-border);
    cursor: pointer;
    transition: all 0.2s;
}
.ml-quiz-choice:hover {
    border-color: var(--ml-accent);
    background: rgba(99, 102, 241, 0.05);
}
.ml-quiz-choice input[type="radio"] {
    display: none;
}
.ml-quiz-choice-marker {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid var(--ml-border);
    flex-shrink: 0;
    transition: all 0.2s;
}
.ml-quiz-choice input:checked ~ .ml-quiz-choice-marker {
    border-color: var(--ml-accent);
    background: var(--ml-accent);
    box-shadow: inset 0 0 0 3px var(--ml-surface);
}
.ml-choice-correct {
    border-color: #10b981 !important;
    background: rgba(16, 185, 129, 0.08) !important;
}
.ml-choice-correct .ml-quiz-choice-marker {
    border-color: #10b981 !important;
    background: #10b981 !important;
}
.ml-choice-wrong {
    border-color: #ef4444 !important;
    background: rgba(239, 68, 68, 0.08) !important;
}
.ml-choice-wrong .ml-quiz-choice-marker {
    border-color: #ef4444 !important;
    background: #ef4444 !important;
}
.ml-quiz-q-feedback {
    margin-top: 10px;
    padding: 8px 12px;
    border-radius: 6px;
    background: rgba(99, 102, 241, 0.08);
    font-size: 0.85rem;
    color: var(--ml-text-2);
}
.ml-quiz-take-actions {
    text-align: center;
    margin-top: 24px;
}
.ml-btn-lg {
    padding: 12px 32px;
    font-size: 1rem;
}
.ml-quiz-results-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
.ml-quiz-results-card {
    background: var(--ml-surface);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    max-width: 400px;
    width: 90%;
}
.ml-quiz-results-score {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 8px;
}
.ml-score-pass { color: #10b981; }
.ml-score-fail { color: #ef4444; }
.ml-quiz-results-detail {
    font-size: 0.95rem;
    color: var(--ml-text-2);
    margin-bottom: 20px;
}
.ml-quiz-results-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

/* ── Quiz Results Page ── */
.ml-quiz-results-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 32px 20px 60px;
}
.ml-quiz-results-header h1 {
    font-size: 1.3rem;
    margin: 16px 0 4px;
}
.ml-quiz-attempts-table {
    background: var(--ml-surface);
    border-radius: 12px;
    border: 1px solid var(--ml-border);
    overflow: hidden;
    margin-top: 20px;
}
.ml-quiz-attempts-header-row,
.ml-quiz-attempt-row {
    display: flex;
    padding: 12px 20px;
    align-items: center;
    gap: 12px;
}
.ml-quiz-attempts-header-row {
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--ml-text-2);
    border-bottom: 1px solid var(--ml-border);
}
.ml-quiz-attempt-row {
    border-bottom: 1px solid var(--ml-border);
}
.ml-quiz-attempt-row:last-child {
    border-bottom: none;
}
.ml-qa-col-name { flex: 2; }
.ml-qa-col-score { flex: 1; font-weight: 600; }
.ml-qa-col-status { flex: 1; }
.ml-qa-col-date { flex: 1.5; font-size: 0.85rem; color: var(--ml-text-2); }
.ml-badge-pass {
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
    font-size: 0.8rem;
    font-weight: 600;
}
.ml-badge-fail {
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
    font-size: 0.8rem;
    font-weight: 600;
}

/* ── Pulse Widget ── */
.ml-pulse-widget {
    position: fixed;
    bottom: 80px;
    left: 20px;
    width: 380px;
    max-width: calc(100vw - 40px);
    background: var(--ml-surface);
    border: 1px solid var(--ml-accent-border, var(--ml-border));
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    z-index: 900;
    overflow: hidden;
}
.ml-pulse-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    background: var(--ml-accent);
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
}
.ml-pulse-timer {
    margin-left: auto;
    font-size: 0.75rem;
    opacity: 0.8;
}
.ml-pulse-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0 4px;
    opacity: 0.7;
}
.ml-pulse-close:hover { opacity: 1; }
.ml-pulse-question {
    padding: 12px 14px;
    font-weight: 600;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--ml-border);
}
.ml-pulse-responses {
    max-height: 200px;
    overflow-y: auto;
    padding: 8px 14px;
}
.ml-pulse-response {
    padding: 4px 0;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--ml-border);
}
.ml-pulse-response:last-child { border-bottom: none; }
.ml-pulse-resp-author {
    font-weight: 600;
    margin-right: 4px;
}
.ml-pulse-resp-time {
    float: right;
    font-size: 0.75rem;
    color: var(--ml-text-2);
}
.ml-pulse-input-row {
    display: flex;
    padding: 8px;
    gap: 6px;
    border-top: 1px solid var(--ml-border);
}
.ml-pulse-input-row .ml-input {
    flex: 1;
    font-size: 0.85rem;
}

/* ── Quiz Popup Overlay ── */
.ml-quiz-popup-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1100;
}
.ml-quiz-popup-card {
    background: var(--ml-surface);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    max-width: 420px;
    width: 90%;
}
.ml-quiz-popup-icon {
    color: var(--ml-accent);
    margin-bottom: 12px;
}
.ml-quiz-popup-card h2 {
    font-size: 1.3rem;
    margin: 0 0 8px;
}

/* ── Pulse Create Modal ── */
.ml-pulse-create-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
.ml-pulse-create-modal {
    background: var(--ml-surface);
    border-radius: 12px;
    padding: 24px;
    max-width: 440px;
    width: 90%;
}
.ml-pulse-create-modal h3 {
    margin: 0 0 8px;
    font-size: 1.1rem;
}

/* ── Leaderboard / Hall of Fame ── */

/* Preview widget in classroom interior */
.ml-leaderboard-preview {
    border: 1px solid rgba(234,179,8,0.3);
    background: linear-gradient(135deg, rgba(234,179,8,0.04), transparent);
}
.ml-leaderboard-top5 {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 10px;
}
.ml-lb-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 8px;
    transition: background 0.15s;
}
.ml-lb-row:hover {
    background: var(--ml-surface-2);
}
.ml-lb-me {
    background: rgba(99, 102, 241, 0.08) !important;
    border: 1px solid rgba(99, 102, 241, 0.2);
}
.ml-lb-rank {
    width: 28px;
    text-align: center;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}
.ml-lb-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--ml-surface-2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    color: var(--ml-text-2);
    flex-shrink: 0;
}
.ml-lb-name {
    flex: 1;
    font-size: 0.9rem;
    font-weight: 500;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.ml-lb-pts {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--ml-accent);
    flex-shrink: 0;
}
.ml-lb-viewall {
    display: block;
    text-align: center;
    font-size: 0.8rem;
    color: var(--ml-accent);
    font-weight: 600;
    padding: 6px 0 0;
    text-decoration: none;
}
.ml-lb-viewall:hover {
    text-decoration: underline;
}

/* Full leaderboard page */
.ml-leaderboard-page {
    max-width: 700px;
    margin: 0 auto;
    padding: 32px 20px 60px;
}
.ml-lb-my-rank-card {
    background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(234,179,8,0.06));
    border: 1px solid rgba(99,102,241,0.2);
    border-radius: 14px;
    padding: 20px 24px;
    margin-bottom: 24px;
}
.ml-lb-my-rank-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--ml-text-3);
    margin-bottom: 10px;
}
.ml-lb-my-rank-row {
    display: flex;
    align-items: center;
    gap: 14px;
}
.ml-lb-rank-big {
    font-size: 1.8rem;
    width: 48px;
}
.ml-lb-avatar-big {
    width: 44px;
    height: 44px;
    font-size: 18px;
}
.ml-lb-my-stats {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.ml-lb-my-stats strong {
    font-size: 1.2rem;
}

/* Leaderboard table */
.ml-lb-table {
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 12px;
    overflow: hidden;
}
.ml-lb-table-header {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    border-bottom: 1px solid var(--ml-border);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--ml-text-3);
    gap: 10px;
}
.ml-lb-table-row {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    border-bottom: 1px solid var(--ml-border);
    gap: 10px;
    transition: background 0.15s;
}
.ml-lb-table-row:last-child {
    border-bottom: none;
}
.ml-lb-table-row:hover {
    background: var(--ml-surface-2);
}
.ml-lb-table-row.ml-lb-me {
    background: rgba(99, 102, 241, 0.06);
}
.ml-lb-col-rank {
    width: 50px;
    text-align: center;
    font-weight: 700;
    flex-shrink: 0;
}
.ml-lb-col-name {
    flex: 3;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}
.ml-lb-col-pts {
    flex: 1;
    text-align: right;
    color: var(--ml-accent);
}
.ml-lb-col-q {
    flex: 1;
    text-align: center;
    font-size: 0.9rem;
    color: var(--ml-text-2);
}
.ml-lb-empty {
    padding: 40px 20px;
    text-align: center;
    color: var(--ml-text-3);
    font-size: 0.9rem;
}

@media (max-width: 600px) {
    .ml-lb-table-header,
    .ml-lb-table-row {
        padding: 10px 12px;
    }
    .ml-lb-col-q {
        display: none;
    }
    .ml-lb-my-rank-card {
        padding: 14px 16px;
    }
}


/* ============================================================
   Gamification — XP, Streaks, Leagues, Exercises
   ============================================================ */

/* ── Dashboard Gamification Section ── */
.ml-dash-gamify {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 28px;
}
.ml-dash-streak-card,
.ml-dash-league-card {
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 14px;
    padding: 24px;
    text-align: center;
}
.ml-dash-streak-fire {
    font-size: 36px;
    line-height: 1;
    margin-bottom: 4px;
}
.ml-dash-streak-num {
    font-size: 36px;
    font-weight: 800;
    color: var(--ml-text);
    line-height: 1.1;
}
.ml-dash-streak-label {
    font-size: 13px;
    color: var(--ml-text-2);
    margin-top: 4px;
}
.ml-dash-streak-best {
    font-size: 12px;
    color: var(--ml-text-3);
    margin-top: 6px;
}
.ml-dash-league-xp {
    font-size: 22px;
    font-weight: 700;
    color: var(--ml-text);
    margin: 8px 0 4px;
}
.ml-dash-league-bar {
    width: 100%;
    height: 8px;
    background: var(--ml-surface-3);
    border-radius: 4px;
    overflow: hidden;
    margin: 8px 0 4px;
}
.ml-dash-league-bar-fill {
    height: 100%;
    background: var(--ml-accent);
    border-radius: 4px;
    transition: width 0.4s ease;
}
.ml-dash-league-next {
    font-size: 12px;
    color: var(--ml-text-3);
}

@media (max-width: 600px) {
    .ml-dash-gamify {
        grid-template-columns: 1fr;
    }
}

/* ── League Badge Pills ── */
.ml-league-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.ml-league-bronze   { background: rgba(205,127,50,0.18); color: #cd7f32; }
.ml-league-silver   { background: rgba(192,192,192,0.18); color: #c0c0c0; }
.ml-league-gold     { background: rgba(255,215,0,0.18);   color: #ffd700; }
.ml-league-sapphire { background: rgba(15,82,186,0.18);   color: #4d8ee8; }
.ml-league-ruby     { background: rgba(224,17,95,0.18);   color: #e0115f; }
.ml-league-emerald  { background: rgba(80,200,120,0.18);  color: #50c878; }
.ml-league-diamond  { background: rgba(185,242,255,0.18); color: #7dd3e8; }
.ml-league-platinum { background: rgba(229,228,226,0.18); color: #e5e4e2; }

/* ── Header Gamification Widget ── */
.ml-header-gamify {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-right: 10px;
    font-size: 12px;
    font-weight: 600;
}
.ml-header-streak {
    color: var(--ml-text-2);
}
.ml-header-xp {
    color: var(--ml-accent);
    font-weight: 700;
}
@media (max-width: 768px) {
    .ml-header-gamify {
        display: none;
    }
}

/* ── XP Toast Notification ── */
.ml-xp-toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--ml-accent);
    color: #fff;
    padding: 12px 24px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    z-index: 9999;
    box-shadow: 0 8px 32px rgba(20,184,166,0.35);
    animation: mlToastIn 0.4s ease, mlToastOut 0.4s ease 2.6s forwards;
    pointer-events: none;
}
.ml-xp-toast-league {
    display: block;
    font-size: 12px;
    font-weight: 500;
    margin-top: 4px;
    opacity: 0.9;
}
@keyframes mlToastIn {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes mlToastOut {
    from { opacity: 1; transform: translateY(0); }
    to   { opacity: 0; transform: translateY(-10px); }
}

/* ── Lesson Exercise Links ── */
.ml-lesson-exercises {
    margin: 28px 0;
    padding: 20px;
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 12px;
}
.ml-lesson-exercises h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--ml-text);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}
.ml-exercise-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.ml-exercise-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--ml-surface-2);
    border: 1px solid var(--ml-border);
    border-radius: 8px;
    color: var(--ml-text);
    text-decoration: none;
    font-size: 14px;
    transition: border-color 0.2s, background 0.2s;
}
.ml-exercise-link:hover {
    border-color: var(--ml-accent-border);
    background: var(--ml-accent-soft);
}
.ml-exercise-link svg {
    color: var(--ml-accent);
    flex-shrink: 0;
}
/* Exercise required state */
.ml-lesson-exercises.ml-exercise-required {
    border-color: var(--ml-accent-border);
    background: var(--ml-accent-soft);
}
.ml-exercise-hint {
    font-size: 12px;
    color: var(--ml-text-2);
    margin-bottom: 12px;
    line-height: 1.5;
}
.ml-exercise-req-badge {
    margin-left: auto;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--ml-accent);
    background: var(--ml-accent-soft);
    padding: 2px 8px;
    border-radius: 4px;
    border: 1px solid var(--ml-accent-border);
}
/* Exercise cooldown (revision enforcement) */
.ml-exercise-cooldown {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 48px 24px;
    max-width: 480px;
    margin: 0 auto;
}
.ml-exercise-cooldown-icon {
    color: #f59e0b;
    margin-bottom: 16px;
}
.ml-exercise-cooldown h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--ml-text);
    margin-bottom: 12px;
}
.ml-exercise-cooldown p {
    font-size: 14px;
    color: var(--ml-text-2);
    line-height: 1.6;
    margin-bottom: 20px;
}
.ml-exercise-cooldown-timer {
    font-size: 15px;
    color: var(--ml-text);
    padding: 12px 20px;
    background: rgba(245,158,11,0.1);
    border: 1px solid rgba(245,158,11,0.25);
    border-radius: 10px;
}
.ml-exercise-cooldown-timer strong {
    font-size: 20px;
    color: #f59e0b;
    margin: 0 4px;
}

.ml-exercise-gate-msg {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--ml-accent);
    padding: 8px 14px;
    background: var(--ml-accent-soft);
    border: 1px solid var(--ml-accent-border);
    border-radius: 8px;
}

/* ── Global Leaderboard ── */
.ml-leaderboard-your-rank {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--ml-accent-soft);
    border: 1px solid var(--ml-accent-border);
    border-radius: 14px;
    padding: 16px 24px;
    margin-bottom: 20px;
}
.ml-leaderboard-rank-num {
    font-size: 28px;
    font-weight: 800;
    color: var(--ml-accent);
    min-width: 50px;
}
.ml-leaderboard-rank-info {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: var(--ml-text);
}
.ml-leaderboard-rank-xp {
    font-size: 16px;
    font-weight: 700;
    color: var(--ml-accent);
}
.ml-leaderboard-rank-streak {
    font-size: 14px;
    color: var(--ml-text-2);
}

.ml-leaderboard-table-wrap {
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 14px;
    overflow: hidden;
}
.ml-leaderboard-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.ml-leaderboard-table thead {
    background: var(--ml-surface-2);
}
.ml-leaderboard-table th {
    padding: 12px 16px;
    text-align: left;
    color: var(--ml-text-2);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.ml-leaderboard-table td {
    padding: 12px 16px;
    border-top: 1px solid var(--ml-border);
    color: var(--ml-text);
}
.ml-leaderboard-you {
    background: var(--ml-accent-soft);
}
.ml-leaderboard-pos {
    font-weight: 700;
    color: var(--ml-text-2);
    width: 40px;
}
.ml-leaderboard-name {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}
.ml-leaderboard-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--ml-accent-soft);
    color: var(--ml-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}
.ml-leaderboard-xp {
    font-weight: 700;
    color: var(--ml-accent);
}
.ml-leaderboard-streak {
    color: var(--ml-text-2);
}

@media (max-width: 600px) {
    .ml-leaderboard-your-rank {
        flex-wrap: wrap;
        gap: 8px;
        padding: 12px 16px;
    }
    .ml-leaderboard-table th:nth-child(5),
    .ml-leaderboard-table td:nth-child(5) {
        display: none;
    }
}

/* ── Saved Courses / Bookmark Button ── */
.ml-card-footer-right {
    display: flex;
    align-items: center;
    gap: 8px;
}
.ml-save-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    border: 1.5px solid var(--ml-border);
    background: transparent;
    color: var(--ml-text-2);
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}
.ml-save-btn:hover {
    border-color: var(--ml-accent);
    color: var(--ml-accent);
}
.ml-save-btn.saved {
    background: var(--ml-accent);
    border-color: var(--ml-accent);
    color: #fff;
}
.ml-save-btn.saved:hover {
    background: var(--ml-accent-hover, #d97706);
    border-color: var(--ml-accent-hover, #d97706);
}

/* Full-width save button (course detail sidebar) */
.ml-save-btn-full {
    width: 100%;
    padding: 10px 16px;
    border-radius: 8px;
    border: 1.5px solid var(--ml-border);
    background: transparent;
    color: var(--ml-text-2);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.2s;
    margin-bottom: 16px;
}
.ml-save-btn-full:hover {
    border-color: var(--ml-accent);
    color: var(--ml-accent);
}
.ml-save-btn-full .ml-save-label-saved {
    display: none;
}
.ml-save-btn-full.saved {
    background: var(--ml-accent-soft);
    border-color: var(--ml-accent);
    color: var(--ml-accent);
}
.ml-save-btn-full.saved .ml-save-label-add {
    display: none;
}
.ml-save-btn-full.saved .ml-save-label-saved {
    display: inline;
}

/* Inline save button (enrolled course banner) */
.ml-save-btn-inline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 6px;
    border: 1.5px solid var(--ml-border);
    background: transparent;
    color: var(--ml-text-2);
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    transition: all 0.2s;
}
.ml-save-btn-inline:hover {
    border-color: var(--ml-accent);
    color: var(--ml-accent);
}
.ml-save-btn-inline .ml-save-label-saved {
    display: none;
}
.ml-save-btn-inline.saved {
    background: var(--ml-accent-soft);
    border-color: var(--ml-accent);
    color: var(--ml-accent);
}
.ml-save-btn-inline.saved .ml-save-label-add {
    display: none;
}
.ml-save-btn-inline.saved .ml-save-label-saved {
    display: inline;
}

/* ── Certificates Grid ── */
.ml-cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}
.ml-cert-card {
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 12px;
    overflow: hidden;
    transition: box-shadow 0.2s, transform 0.2s;
}
.ml-cert-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}
.ml-cert-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 16px 0;
}
.ml-cert-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}
.ml-cert-card-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    background: rgba(34,197,94,0.1);
    color: #16a34a;
}
.ml-cert-card-body {
    padding: 12px 16px;
}
.ml-cert-card-subject {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--ml-text-2);
    margin-bottom: 4px;
}
.ml-cert-card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--ml-text);
    margin: 0 0 8px;
    line-height: 1.3;
}
.ml-cert-card-meta {
    font-size: 12px;
    color: var(--ml-text-2);
    display: flex;
    gap: 6px;
    align-items: center;
}
.ml-cert-card-actions {
    display: flex;
    gap: 8px;
    padding: 0 16px 16px;
}
.ml-cert-card-actions a {
    flex: 1;
    text-align: center;
    justify-content: center;
}

/* ── Certificate Verification Page ── */
.ml-verify-page {
    max-width: 560px;
    margin: 40px auto;
    padding: 0 20px;
}
.ml-verify-card {
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: 16px;
    padding: 40px 32px;
    text-align: center;
}
.ml-verify-icon {
    margin-bottom: 16px;
}
.ml-verify-icon.valid { color: #16a34a; }
.ml-verify-icon.invalid { color: #ef4444; }
.ml-verify-heading {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 8px;
    color: var(--ml-text);
}
.ml-verify-sub {
    font-size: 14px;
    color: var(--ml-text-2);
    margin: 0 0 24px;
    line-height: 1.5;
}
.ml-verify-details {
    text-align: left;
    background: var(--ml-bg, #f9fafb);
    border-radius: 10px;
    padding: 16px 20px;
    margin-bottom: 24px;
}
.ml-verify-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--ml-border);
    gap: 12px;
}
.ml-verify-row:last-child { border-bottom: none; }
.ml-verify-label {
    font-size: 12px;
    color: var(--ml-text-2);
    font-weight: 500;
    white-space: nowrap;
}
.ml-verify-value {
    font-size: 13px;
    font-weight: 600;
    color: var(--ml-text);
    text-align: right;
}
.ml-verify-value a {
    color: var(--ml-accent);
    text-decoration: none;
}
.ml-verify-value a:hover { text-decoration: underline; }
.ml-verify-share {
    margin-bottom: 20px;
}
.ml-verify-share-label {
    font-size: 12px;
    color: var(--ml-text-2);
    margin-bottom: 8px;
    display: block;
}
.ml-verify-share-url {
    font-size: 12px;
    font-family: monospace;
    background: var(--ml-bg, #f9fafb);
    border: 1px solid var(--ml-border);
    border-radius: 6px;
    padding: 8px 12px;
    margin-bottom: 8px;
    word-break: break-all;
    color: var(--ml-text);
}
.ml-verify-footer {
    padding-top: 16px;
}

@media (max-width: 600px) {
    .ml-cert-grid { grid-template-columns: 1fr; }
    .ml-verify-card { padding: 28px 20px; }
    .ml-verify-row { flex-direction: column; align-items: flex-start; gap: 2px; }
    .ml-verify-value { text-align: left; }
}