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

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

:root {
  --bg:       #f8f9fc;
  --bg2:      #ffffff;
  --bg3:      #f1f4f9;
  --border:   #e2e8f0;
  --border2:  #cbd5e1;
  --accent:   #2563eb;
  --accent-h: #1d4ed8;
  --accent-l: #eff6ff;
  --accent2:  #0891b2;
  --success:  #059669;
  --warning:  #d97706;
  --danger:   #dc2626;
  --text:     #0f172a;
  --text2:    #334155;
  --muted:    #64748b;
  --muted2:   #94a3b8;
  --card:     #ffffff;
  --sidebar-w: 256px;
  --nav-h:    64px;
  --radius:   12px;
  --shadow-sm: 0 1px 3px rgba(15,23,42,.06), 0 1px 2px rgba(15,23,42,.04);
  --shadow:   0 4px 16px rgba(15,23,42,.08), 0 1px 4px rgba(15,23,42,.04);
  --shadow-lg: 0 20px 48px rgba(15,23,42,.12), 0 4px 16px rgba(15,23,42,.06);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: 'Fraunces', serif; font-weight: 700; line-height: 1.2; color: var(--text); }
h5, h6, .ui-text { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 600; }

a { text-decoration: none; color: inherit; }
img { max-width: 100%; }

/* ── TOPNAV ── */
.topnav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 4%;
  background: rgba(255,255,255,0.97);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  gap: 12px;
}

.logo {
  font-family: 'Fraunces', serif;
  font-weight: 800; font-size: 1.35rem;
  color: var(--accent); letter-spacing: -0.02em;
}
.logo span { color: var(--text); }

.nav-links { display: flex; gap: 6px; list-style: none; }
.nav-links a {
  color: var(--muted); font-size: 0.875rem; font-weight: 500;
  padding: 7px 14px; border-radius: 8px;
  transition: all .18s;
}
.nav-links a:hover { color: var(--text); background: var(--bg3); }
.nav-links a.active { color: var(--accent); background: var(--accent-l); }

.nav-right { display: flex; align-items: center; gap: 12px; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 20px; border-radius: 9px;
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 600; font-size: 0.875rem;
  cursor: pointer; border: none; transition: all .2s; text-decoration: none;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 2px 8px rgba(37,99,235,.3); }
.btn-primary:hover { background: var(--accent-h); box-shadow: 0 4px 16px rgba(37,99,235,.4); transform: translateY(-1px); }
.btn-outline { border: 1.5px solid var(--border2); color: var(--text2); background: #fff; }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-l); }
.btn-ghost { color: var(--muted); background: transparent; }
.btn-ghost:hover { color: var(--text); background: var(--bg3); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-lg { padding: 13px 28px; font-size: 1rem; border-radius: 11px; }
.btn-sm { padding: 7px 14px; font-size: 0.8rem; border-radius: 7px; }
.btn-xs { padding: 4px 10px; font-size: 0.75rem; border-radius: 6px; }

/* ── AVATAR ── */
.avatar {
  width: 36px; height: 36px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.8rem; color: #fff; flex-shrink: 0;
}
.avatar-chip {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 100px; padding: 5px 14px 5px 5px; cursor: pointer;
  transition: all .18s;
}
.avatar-chip:hover { border-color: var(--accent); }
.avatar-chip-name { font-size: 0.85rem; font-weight: 600; color: var(--text2); }

/* ── LAYOUT ── */
.layout { display: flex; padding-top: var(--nav-h); min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w); flex-shrink: 0;
  position: fixed; top: var(--nav-h); left: 0; bottom: 0;
  background: var(--bg2); border-right: 1px solid var(--border);
  overflow-y: auto; padding: 24px 12px;
}
.sidebar-group { margin-bottom: 28px; }
.sidebar-group-label {
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; color: var(--muted2); padding: 0 12px; margin-bottom: 6px;
}
.sidebar a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 9px;
  font-size: 0.875rem; font-weight: 500; color: var(--muted);
  transition: all .15s; margin-bottom: 2px;
}
.sidebar a:hover { color: var(--text); background: var(--bg3); }
.sidebar a.active { color: var(--accent); background: var(--accent-l); font-weight: 600; }
.sidebar .icon { width: 18px; text-align: center; font-size: 1rem; flex-shrink: 0; }
.sidebar-badge {
  margin-left: auto; background: var(--accent); color: #fff;
  font-size: 0.65rem; font-weight: 700; padding: 2px 7px; border-radius: 100px;
}

.sidebar-user {
  border-top: 1px solid var(--border); padding: 14px 12px 0;
  margin-top: 12px; display: flex; align-items: center; gap: 10px;
}
.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-name { font-size: 0.82rem; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-role { font-size: 0.72rem; color: var(--muted); }

.main { margin-left: var(--sidebar-w); flex: 1; padding: 36px 40px; max-width: 1280px; }

/* ── PAGE HEADER ── */
.page-header { margin-bottom: 32px; }
.page-header h1 { font-size: clamp(1.5rem, 2.5vw, 2rem); margin-bottom: 6px; }
.page-header p { color: var(--muted); font-size: 0.9rem; }
.page-header-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; }

/* ── CARDS ── */
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-sm);
}
.card-pad { padding: 24px; }
.card-hover { transition: all .2s; cursor: pointer; }
.card-hover:hover { box-shadow: var(--shadow); transform: translateY(-2px); border-color: var(--border2); }

/* ── STAT CARD ── */
.stat-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px 24px;
  box-shadow: var(--shadow-sm);
}
.stat-card-icon {
  width: 44px; height: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 14px;
}
.stat-card-num { font-family: 'Fraunces', serif; font-size: 1.9rem; font-weight: 800; color: var(--text); line-height: 1; margin-bottom: 6px; }
.stat-card-label { font-size: 0.8rem; font-weight: 500; color: var(--muted); }
.stat-card-change { font-size: 0.78rem; font-weight: 600; margin-top: 8px; display: flex; align-items: center; gap: 4px; }
.stat-card-change.up { color: var(--success); }
.stat-card-change.neutral { color: var(--muted); }

/* ── COURSE CARD ── */
.course-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: all .22s;
}
.course-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: var(--border2); }

.course-thumb {
  height: 140px; display: flex; align-items: center; justify-content: center;
  position: relative; font-size: 2.8rem;
}
.course-thumb-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(0,0,0,.18));
}
.course-badge-wrap { position: absolute; top: 10px; left: 10px; display: flex; gap: 6px; }
.c-badge {
  font-size: 0.68rem; font-weight: 700; padding: 3px 9px; border-radius: 100px;
  background: rgba(255,255,255,.92); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.5); color: var(--text);
}
.c-badge.accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.c-badge.success { background: var(--success); color: #fff; border-color: var(--success); }
.c-badge.warn { background: var(--warning); color: #fff; border-color: var(--warning); }

.course-body { padding: 16px 18px 18px; }
.course-dept { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 5px; }
.course-title { font-family: 'Fraunces', serif; font-size: 0.98rem; font-weight: 700; color: var(--text); margin-bottom: 8px; line-height: 1.35; }
.course-meta-row { display: flex; align-items: center; gap: 12px; font-size: 0.75rem; color: var(--muted); margin-bottom: 12px; }
.course-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 12px; border-top: 1px solid var(--border); }
.course-rating { display: flex; align-items: center; gap: 5px; font-size: 0.78rem; color: var(--muted); }
.stars { color: #f59e0b; }

/* ── PROGRESS ── */
.progress-wrap { }
.progress-label { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--muted); margin-bottom: 5px; }
.progress-bar { height: 6px; background: var(--bg3); border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 3px; transition: width .6s ease; }
.progress-fill.blue { background: linear-gradient(90deg, var(--accent), #60a5fa); }
.progress-fill.green { background: linear-gradient(90deg, var(--success), #34d399); }
.progress-fill.orange { background: linear-gradient(90deg, var(--warning), #fbbf24); }

/* ── BADGES ── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 100px;
  font-size: 0.72rem; font-weight: 600; letter-spacing: .02em;
}
.badge-blue { background: #eff6ff; color: #2563eb; border: 1px solid #bfdbfe; }
.badge-green { background: #f0fdf4; color: #059669; border: 1px solid #bbf7d0; }
.badge-orange { background: #fffbeb; color: #d97706; border: 1px solid #fde68a; }
.badge-red { background: #fef2f2; color: #dc2626; border: 1px solid #fecaca; }
.badge-gray { background: var(--bg3); color: var(--muted); border: 1px solid var(--border); }
.badge-purple { background: #f5f3ff; color: #7c3aed; border: 1px solid #ddd6fe; }

/* ── FORMS ── */
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 0.83rem; font-weight: 600; color: var(--text2); margin-bottom: 6px; }
.form-input {
  width: 100%; background: #fff; border: 1.5px solid var(--border);
  border-radius: 9px; color: var(--text);
  font-family: 'Plus Jakarta Sans', sans-serif; font-size: 0.9rem;
  padding: 11px 14px; transition: border-color .18s; outline: none;
}
.form-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
.form-input::placeholder { color: var(--muted2); }
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }

/* ── ALERTS ── */
.alert { padding: 12px 16px; border-radius: 9px; font-size: 0.875rem; margin-bottom: 18px; display: flex; align-items: flex-start; gap: 10px; }
.alert-success { background: #f0fdf4; border: 1px solid #bbf7d0; color: #15803d; }
.alert-error   { background: #fef2f2; border: 1px solid #fecaca; color: #dc2626; }
.alert-info    { background: #eff6ff; border: 1px solid #bfdbfe; color: #1d4ed8; }
.alert-warning { background: #fffbeb; border: 1px solid #fde68a; color: #92400e; }

/* ── TABLE ── */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
.table { width: 100%; border-collapse: collapse; background: #fff; }
.table thead { background: var(--bg3); }
.table th { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); padding: 11px 16px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
.table td { padding: 13px 16px; font-size: 0.875rem; border-bottom: 1px solid var(--bg3); color: var(--text2); }
.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover td { background: var(--bg3); }

/* ── TABS ── */
.tabs { display: flex; gap: 2px; background: var(--bg3); border-radius: 10px; padding: 3px; width: fit-content; }
.tab { padding: 8px 18px; border-radius: 8px; font-size: 0.85rem; font-weight: 600; cursor: pointer; color: var(--muted); transition: all .15s; }
.tab.active { background: #fff; color: var(--accent); box-shadow: var(--shadow-sm); }
.tab:hover:not(.active) { color: var(--text); }

/* ── QUIZ SPECIFIC ── */
.quiz-wrap { max-width: 760px; margin: 0 auto; }
.quiz-header { background: linear-gradient(135deg, var(--accent), #3b82f6); border-radius: var(--radius); padding: 28px 32px; color: #fff; margin-bottom: 28px; }
.quiz-header h2 { font-family: 'Fraunces', serif; font-size: 1.5rem; color: #fff; margin-bottom: 6px; }
.quiz-header p { color: rgba(255,255,255,.8); font-size: 0.875rem; }
.quiz-meta { display: flex; gap: 20px; margin-top: 16px; flex-wrap: wrap; }
.quiz-meta-item { display: flex; align-items: center; gap: 7px; font-size: 0.82rem; color: rgba(255,255,255,.9); background: rgba(255,255,255,.15); padding: 6px 12px; border-radius: 7px; }

.quiz-progress-wrap { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 24px; margin-bottom: 24px; }
.quiz-progress-nums { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.quiz-progress-nums span { font-size: 0.85rem; font-weight: 600; color: var(--text2); }
.quiz-timer { font-family: 'Fraunces', serif; font-size: 1.2rem; font-weight: 800; color: var(--accent); }
.quiz-timer.warn { color: var(--danger); animation: timerPulse 1s infinite; }
@keyframes timerPulse { 0%,100%{opacity:1;} 50%{opacity:.5;} }

.question-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 32px; margin-bottom: 20px; box-shadow: var(--shadow-sm); }
.question-num { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--accent); margin-bottom: 10px; }
.question-text { font-family: 'Fraunces', serif; font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: 22px; line-height: 1.45; }

.option-list { display: flex; flex-direction: column; gap: 10px; }
.option {
  display: flex; align-items: center; gap: 14px;
  padding: 13px 18px; border-radius: 10px; border: 1.5px solid var(--border);
  cursor: pointer; transition: all .18s; background: #fff;
}
.option:hover { border-color: var(--accent); background: var(--accent-l); }
.option.selected { border-color: var(--accent); background: var(--accent-l); }
.option.correct { border-color: var(--success); background: #f0fdf4; }
.option.incorrect { border-color: var(--danger); background: #fef2f2; }
.option-dot {
  width: 20px; height: 20px; border-radius: 50%;
  border: 2px solid var(--border2); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.65rem; transition: all .18s;
}
.option.selected .option-dot { border-color: var(--accent); background: var(--accent); color: #fff; }
.option.correct .option-dot { border-color: var(--success); background: var(--success); color: #fff; }
.option.incorrect .option-dot { border-color: var(--danger); background: var(--danger); color: #fff; }
.option-text { font-size: 0.9rem; color: var(--text2); font-weight: 500; }

.explanation-box { background: #fffbeb; border: 1px solid #fde68a; border-radius: 9px; padding: 13px 16px; margin-top: 14px; font-size: 0.85rem; color: #92400e; }
.explanation-box strong { color: #78350f; }

.quiz-actions { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; }

/* ── RESULT CARD ── */
.result-card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 48px; text-align: center; box-shadow: var(--shadow); max-width: 600px; margin: 40px auto; }
.result-score-circle {
  width: 130px; height: 130px; border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  margin: 0 auto 24px; border: 6px solid;
}
.result-score-num { font-family: 'Fraunces', serif; font-size: 2.2rem; font-weight: 800; line-height: 1; }
.result-score-label { font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; margin-top: 3px; }
.result-card h2 { font-size: 1.6rem; margin-bottom: 8px; }
.result-stats { display: flex; justify-content: center; gap: 32px; margin: 24px 0; }
.result-stat { text-align: center; }
.result-stat-num { font-family: 'Fraunces', serif; font-size: 1.4rem; font-weight: 700; }
.result-stat-label { font-size: 0.75rem; color: var(--muted); margin-top: 2px; }

/* ── INSTRUCTOR CARD ── */
.instructor-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); transition: all .22s; }
.instructor-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }

/* ── PRICING ── */
.pricing-card { background: var(--card); border: 1.5px solid var(--border); border-radius: 14px; padding: 32px 28px; position: relative; transition: all .22s; }
.pricing-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.pricing-card.featured { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37,99,235,.1), var(--shadow); }
.featured-tag { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; font-size: 0.7rem; font-weight: 700; padding: 4px 16px; border-radius: 100px; white-space: nowrap; letter-spacing: .04em; }

/* ── SECTION LABEL ── */
.section-eyebrow { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--accent); margin-bottom: 10px; }
.section-title { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 800; letter-spacing: -.02em; margin-bottom: 14px; }
.section-sub { font-size: 1.05rem; color: var(--muted); max-width: 520px; }

/* ── HERO (landing) ── */
.hero-section {
  min-height: 100vh; display: flex; align-items: center;
  padding: calc(var(--nav-h) + 60px) 6% 80px;
  background: linear-gradient(135deg, #f8f9fc 0%, #eff6ff 50%, #f0fdf4 100%);
  position: relative; overflow: hidden;
}
.hero-dots {
  position: absolute; inset: 0;
  background-image: radial-gradient(var(--border2) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 80% 70% at 60% 40%, black 30%, transparent 80%);
  opacity: .6;
}
.hero-blob {
  position: absolute; border-radius: 50%; filter: blur(60px); opacity: .35;
}
.hero-content { position: relative; max-width: 700px; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; background: var(--accent-l); border: 1px solid #bfdbfe; color: var(--accent); font-size: 0.8rem; font-weight: 600; padding: 6px 14px; border-radius: 100px; margin-bottom: 24px; }
.hero-eyebrow::before { content: ''; width: 7px; height: 7px; background: var(--accent); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1);} 50%{opacity:.4;transform:scale(.7);} }
.hero-h1 { font-size: clamp(2.6rem, 5.5vw, 4.5rem); font-weight: 800; letter-spacing: -.03em; margin-bottom: 22px; line-height: 1.08; }
.hero-h1 em { font-style: italic; color: var(--accent); }
.hero-p { font-size: 1.1rem; color: var(--muted); max-width: 520px; margin-bottom: 38px; line-height: 1.7; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 52px; }
.hero-stats { display: flex; gap: 40px; padding-top: 32px; border-top: 1px solid var(--border2); flex-wrap: wrap; }
.hero-stat-num { font-family: 'Fraunces', serif; font-size: 2rem; font-weight: 800; color: var(--text); }
.hero-stat-label { font-size: 0.78rem; color: var(--muted); margin-top: 3px; font-weight: 500; }

/* ── LOGOS BAR ── */
.logos-section { padding: 28px 6%; background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.logos-label { text-align: center; font-size: 0.75rem; font-weight: 600; color: var(--muted2); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 18px; }
.logos-row { display: flex; justify-content: center; align-items: center; gap: 48px; flex-wrap: wrap; }
.logos-row span { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; font-size: 0.9rem; color: var(--border2); letter-spacing: .02em; transition: color .2s; }
.logos-row span:hover { color: var(--muted2); }

/* ── PAGE HERO ── */
.page-banner { background: linear-gradient(135deg, var(--accent), #3b82f6); padding: calc(var(--nav-h) + 36px) 6% 44px; }
.page-banner h1 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: 8px; }
.page-banner p { color: rgba(255,255,255,.8); font-size: 0.95rem; }

/* ── FOOTER ── */
footer { background: var(--text); color: rgba(255,255,255,.6); padding: 60px 6% 32px; margin-top: 80px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-logo { font-family: 'Fraunces', serif; font-weight: 800; font-size: 1.3rem; color: #fff; margin-bottom: 12px; }
.footer-brand p { font-size: 0.85rem; line-height: 1.7; max-width: 260px; }
.footer-col h4 { font-family: 'Plus Jakarta Sans', sans-serif; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: rgba(255,255,255,.4); margin-bottom: 14px; }
.footer-col a { display: block; color: rgba(255,255,255,.55); font-size: 0.875rem; margin-bottom: 9px; transition: color .18s; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.08); font-size: 0.8rem; flex-wrap: wrap; gap: 12px; }

/* ── GRIDS ── */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fill, minmax(400px,1fr)); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px,1fr)); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px,1fr)); gap: 18px; }

/* ── DIVIDER ── */
.divider { border: none; border-top: 1px solid var(--border); margin: 28px 0; }

/* ── ANIMATIONS ── */
@keyframes fadeInUp { from{opacity:0;transform:translateY(20px);} to{opacity:1;transform:translateY(0);} }
.fade-in { animation: fadeInUp .55s ease both; }
.fade-in-1 { animation-delay: .05s; }
.fade-in-2 { animation-delay: .12s; }
.fade-in-3 { animation-delay: .2s; }
.scroll-reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.scroll-reveal.visible { opacity: 1; transform: translateY(0); }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg3); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted2); }

/* ── RESPONSIVE ── */

/* Large laptops (1024–1280px) — shrink sidebar slightly */
@media(max-width:1280px) {
  .main { padding: 28px 28px; }
}

/* Medium laptops (960–1100px) — narrow sidebar */
@media(max-width:1100px) {
  :root { --sidebar-w: 220px; }
  .main { padding: 24px 22px; }
  .grid-3 { grid-template-columns: repeat(auto-fill, minmax(240px,1fr)); }
  .grid-4 { grid-template-columns: repeat(auto-fill, minmax(180px,1fr)); }
  /* Dashboard side-by-side collapse */
  [style*="grid-template-columns:1fr 360px"],
  [style*="grid-template-columns:1fr 350px"],
  [style*="grid-template-columns:1fr 310px"],
  [style*="grid-template-columns:1fr 320px"] {
    grid-template-columns: 1fr !important;
  }
  /* Course page 2-col collapse */
  [style*="grid-template-columns:1fr 1fr"][style*="gap:60px"] {
    grid-template-columns: 1fr !important;
    gap: 32px !important;
  }
}

/* Tablets / small laptops (hide sidebar) */
@media(max-width:960px) {
  .sidebar { display: none !important; }
  .main { margin-left: 0 !important; padding: 24px 20px; max-width: 100%; }
  .layout { display: block; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  /* Profile 2-col form */
  [style*="grid-template-columns:260px 1fr"] { grid-template-columns: 1fr !important; }
  /* Hero section */
  .hero-section { padding: calc(var(--nav-h) + 40px) 5% 60px; }
  .hero-stats { gap: 24px; }
}

/* Mobile */
@media(max-width:640px) {
  .footer-top { grid-template-columns: 1fr; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr !important; }
  .hero-h1 { font-size: 2rem; }
  .topnav { padding: 0 4%; }
  .main { padding: 20px 16px; }
  /* Admin row-2 forms */
  [style*="grid-template-columns:1fr 1fr"] { grid-template-columns: 1fr !important; }
  /* Result stats */
  .result-stats { gap: 18px; flex-wrap: wrap; justify-content: center; }
  .result-card { padding: 32px 20px; }
  /* Quiz page */
  .question-card { padding: 22px 18px; }
  .quiz-header { padding: 22px 20px; }
  .quiz-meta { gap: 10px; }
  .quiz-meta-item { font-size: .78rem; padding: 5px 10px; }
}

/* ── DASHBOARD specific ── */
.dash-main-grid { display: grid; grid-template-columns: minmax(0,1fr) 320px; gap: 24px; align-items: start; }
@media(max-width:1100px) { .dash-main-grid { grid-template-columns: 1fr; } }

.course-detail-grid { display: grid; grid-template-columns: minmax(0,1fr) 310px; gap: 28px; align-items: start; }
@media(max-width:1100px) { .course-detail-grid { grid-template-columns: 1fr; } }
@media(max-width:1100px) { .course-detail-grid > div:last-child { position: static !important; } }

.profile-grid { display: grid; grid-template-columns: 260px minmax(0,1fr); gap: 24px; align-items: start; }
@media(max-width:900px) { .profile-grid { grid-template-columns: 1fr; } }

/* Prevent horizontal scroll everywhere */
body, .layout { overflow-x: hidden; }
.main { min-width: 0; }

/* Fix inline grid overrides that break on small screens */
@media(max-width:768px) {
  [style*="grid-template-columns:260px 1fr"],
  [style*="grid-template-columns:1fr 360px"],
  [style*="grid-template-columns:1fr 350px"],
  [style*="grid-template-columns:1fr 310px"],
  [style*="grid-template-columns:1fr 320px"],
  [style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
}