@import url('https://fonts.googleapis.com/css2?family=Baloo+2:wght@400;500;600;700;800&family=Baloo+Tamma+2:wght@400;600;700;800&display=swap');

:root {
  --pink-light: #fff0f5;
  --pink-soft: #ffe0ec;
  --pink-mid: #ffb3d1;
  --pink-strong: #ff6bab;
  --pink-deep: #e91e8c;
  --pink-dark: #c0146e;
  --white: #ffffff;
  --cream: #fff8fb;
  --text-dark: #1a0a12;
  --text-mid: #3d1a2b;
  --text-muted: #8a4a6a;
  --accent-orange: #ff6b35;
  --accent-blue: #2563eb;
  --accent-green: #16a34a;
  --accent-purple: #7c3aed;
  --accent-yellow: #d97706;
  --shadow-soft: 0 4px 24px rgba(233,30,140,0.10);
  --shadow-card: 0 8px 40px rgba(233,30,140,0.13);
  --shadow-strong: 0 16px 56px rgba(233,30,140,0.22);
  --radius: 18px;
  --radius-sm: 10px;
  --grad-bg: linear-gradient(135deg, #fff0f5 0%, #fff8fb 40%, #ffe8f3 70%, #fff0f5 100%);
  --grad-pink: linear-gradient(135deg, #ff6bab 0%, #e91e8c 60%, #c0146e 100%);
  --grad-hero: linear-gradient(135deg, #ffe0ec 0%, #fff0f8 50%, #fce7f3 100%);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Baloo 2', 'Baloo Tamma 2', cursive;
  background: var(--grad-bg);
  color: var(--text-dark);
  min-height: 100vh;
  font-size: 16px;
  line-height: 1.6;
}

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 7px; }
::-webkit-scrollbar-track { background: var(--pink-soft); }
::-webkit-scrollbar-thumb { background: var(--pink-strong); border-radius: 99px; }

/* ─── NAVIGATION ─── */
.navbar {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,240,245,0.92);
  backdrop-filter: blur(18px);
  border-bottom: 2px solid var(--pink-mid);
  padding: 0 48px;
  display: flex; align-items: center; justify-content: space-between;
  height: 70px;
  box-shadow: 0 2px 20px rgba(233,30,140,0.10);
  width: 100%;
}

.logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none;
}
.logo-icon {
  width: 44px; height: 44px; border-radius: 14px;
  background: var(--grad-pink);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; box-shadow: var(--shadow-soft);
}
.logo-text {
  font-family: 'Baloo 2', cursive;
  font-weight: 800; font-size: 24px;
  color: var(--pink-deep);
  letter-spacing: -0.5px;
}
.logo-text span { color: var(--accent-orange); }

.nav-links {
  display: flex; align-items: center; gap: 6px;
  list-style: none;
}
.nav-links a {
  padding: 8px 16px; border-radius: 10px;
  color: var(--text-mid); font-weight: 700; font-size: 14.5px;
  text-decoration: none; transition: all 0.2s;
}
.nav-links a:hover, .nav-links a.active {
  background: var(--pink-soft); color: var(--pink-deep);
}

.nav-actions { display: flex; align-items: center; gap: 10px; }

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 24px; border-radius: 12px; border: none;
  font-family: 'Baloo 2', cursive; font-weight: 800; font-size: 15px;
  cursor: pointer; transition: all 0.2s; text-decoration: none;
  letter-spacing: 0.02em;
}
.btn-primary {
  background: var(--grad-pink); color: var(--white);
  box-shadow: 0 4px 18px rgba(233,30,140,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(233,30,140,0.45); }
.btn-secondary {
  background: var(--white); color: var(--pink-deep);
  border: 2.5px solid var(--pink-strong);
}
.btn-secondary:hover { background: var(--pink-soft); transform: translateY(-2px); }
.btn-outline {
  background: transparent; color: var(--white);
  border: 2.5px solid rgba(255,255,255,0.7);
}
.btn-outline:hover { background: rgba(255,255,255,0.15); }
.btn-sm { padding: 7px 16px; font-size: 13px; border-radius: 9px; }
.btn-lg { padding: 15px 36px; font-size: 17px; border-radius: 16px; }
.btn-green { background: linear-gradient(135deg, #22c55e, #16a34a); color: #fff; box-shadow: 0 4px 18px rgba(22,163,74,0.30); }
.btn-blue { background: linear-gradient(135deg, #3b82f6, #2563eb); color: #fff; box-shadow: 0 4px 18px rgba(37,99,235,0.30); }
.btn-orange { background: linear-gradient(135deg, #fb923c, #ea580c); color: #fff; box-shadow: 0 4px 18px rgba(234,88,12,0.30); }
.btn-red { background: linear-gradient(135deg, #f87171, #dc2626); color: #fff; box-shadow: 0 4px 18px rgba(220,38,38,0.25); }
.btn-purple { background: linear-gradient(135deg, #a78bfa, #7c3aed); color: #fff; box-shadow: 0 4px 18px rgba(124,58,237,0.30); }

/* ─── CARDS ─── */
/* ─── BASE CARD ─── */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(233,30,140,0.08);
  border: 2px solid var(--pink-soft);
  transition: all 0.25s ease;
  overflow: hidden;
  position: relative;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  border: 2px solid transparent;
  background: linear-gradient(135deg, var(--pink-strong), var(--accent-orange)) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: destination-out;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
  z-index: 1;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(233,30,140,0.18);
  border-color: var(--pink-strong);
  background: linear-gradient(135deg, #fff8fc 0%, #fff0f8 100%);
}
.card:hover::before { opacity: 1; }

.card-header {
  background: var(--grad-pink);
  padding: 22px 24px;
  color: var(--white);
}
.card-body { padding: 22px 24px; }

/* ─── FORMS ─── */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block; font-weight: 800; font-size: 14px;
  color: var(--text-mid); margin-bottom: 7px;
  letter-spacing: 0.03em;
}
.form-control {
  width: 100%; padding: 12px 16px;
  border: 2.5px solid var(--pink-mid);
  border-radius: 12px; font-family: 'Baloo 2', cursive;
  font-size: 15px; color: var(--text-dark);
  background: var(--cream);
  transition: all 0.2s; outline: none;
}
.form-control:focus {
  border-color: var(--pink-deep);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(233,30,140,0.10);
}
.form-control::placeholder { color: var(--text-muted); font-weight: 500; }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 100px; }

/* ─── HEADINGS ─── */
h1, h2, h3, h4, h5 {
  font-family: 'Baloo 2', cursive;
  font-weight: 800; color: var(--text-dark);
  line-height: 1.2;
}
.section-title {
  font-size: 36px; font-weight: 800;
  color: var(--text-dark); margin-bottom: 8px;
}
.section-sub {
  font-size: 17px; color: var(--text-muted);
  font-weight: 600; margin-bottom: 40px;
}
.highlight { color: var(--pink-deep); }
.highlight-orange { color: var(--accent-orange); }

/* ─── BADGE ─── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 800; letter-spacing: 0.05em;
  text-transform: uppercase;
}
.badge-pink { background: var(--pink-soft); color: var(--pink-deep); }
.badge-green { background: #dcfce7; color: #16a34a; }
.badge-blue { background: #dbeafe; color: #2563eb; }
.badge-orange { background: #fff7ed; color: #ea580c; }
.badge-purple { background: #ede9fe; color: #7c3aed; }
.badge-yellow { background: #fef9c3; color: #a16207; }

/* ─── HERO ─── */
.hero {
  background: var(--grad-hero);
  padding: 80px 0;
  position: relative; overflow: hidden;
  width: 100%;
}
.hero::before {
  content: '';
  position: absolute; top: -80px; right: -80px;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,107,171,0.18) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute; bottom: -60px; left: -60px;
  width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(233,30,140,0.10) 0%, transparent 70%);
  pointer-events: none;
}

/* ─── SECTION ─── */
.section { padding: 70px 0; width: 100%; }
.section-alt { background: var(--cream); }
.container { max-width: 100%; margin: 0 auto; padding: 0 48px; }

/* ─── GRID ─── */
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr)); gap: 24px; }

/* ─── ALERT ─── */
.alert {
  padding: 14px 20px; border-radius: 12px;
  font-weight: 700; font-size: 14px; margin-bottom: 18px;
  display: flex; align-items: center; gap: 10px;
}
.alert-success { background: #dcfce7; color: #16a34a; border: 1.5px solid #86efac; }
.alert-error { background: #fee2e2; color: #dc2626; border: 1.5px solid #fca5a5; }
.alert-info { background: var(--pink-soft); color: var(--pink-deep); border: 1.5px solid var(--pink-mid); }

/* ─── TABLE ─── */
.table-wrap { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow-card); }
table { width: 100%; border-collapse: collapse; background: var(--white); }
thead th {
  background: var(--grad-pink); color: var(--white);
  padding: 14px 18px; font-size: 14px; font-weight: 800;
  letter-spacing: 0.04em; text-align: left;
}
tbody tr { border-bottom: 1.5px solid var(--pink-soft); transition: background 0.15s; }
tbody tr:hover { background: var(--cream); }
tbody td { padding: 13px 18px; font-size: 14.5px; font-weight: 600; color: var(--text-mid); }

/* ─── MODAL ─── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(26,10,18,0.55);
  z-index: 5000; display: flex; align-items: center; justify-content: center;
  animation: fadeIn 0.2s ease;
}
.modal {
  background: var(--white); border-radius: 22px;
  padding: 36px; max-width: 500px; width: 92%;
  box-shadow: 0 32px 80px rgba(26,10,18,0.28);
  animation: slideUp 0.25s ease;
  max-height: 90vh; overflow-y: auto;
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px;
}
.modal-title { font-size: 22px; font-weight: 800; color: var(--text-dark); }
.modal-close {
  width: 36px; height: 36px; border-radius: 99px;
  background: var(--pink-soft); border: none; cursor: pointer;
  font-size: 18px; color: var(--pink-deep); display: flex;
  align-items: center; justify-content: center; transition: all 0.15s;
}
.modal-close:hover { background: var(--pink-mid); }

/* ─── TOAST ─── */
.toast-container { position: fixed; bottom: 28px; right: 28px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; }
.toast {
  padding: 14px 22px; border-radius: 14px; font-weight: 700; font-size: 14px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18); animation: slideUp 0.28s ease;
  display: flex; align-items: center; gap: 10px; min-width: 240px;
}
.toast-success { background: #1a2744; color: #fff; }
.toast-error { background: #dc2626; color: #fff; }

/* ─── SIDEBAR ─── */
.sidebar {
  width: 260px; background: var(--white);
  border-right: 2.5px solid var(--pink-soft);
  min-height: calc(100vh - 70px);
  padding: 24px 0; flex-shrink: 0;
}
.sidebar-section { padding: 0 16px 8px; font-size: 11px; font-weight: 800; color: var(--text-muted); letter-spacing: 0.12em; text-transform: uppercase; margin-top: 16px; }
.sidebar-link {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 20px; color: var(--text-mid); font-weight: 700;
  text-decoration: none; font-size: 14.5px; border-left: 3.5px solid transparent;
  transition: all 0.15s;
}
.sidebar-link:hover, .sidebar-link.active {
  background: var(--pink-soft); color: var(--pink-deep);
  border-left-color: var(--pink-deep);
}
.sidebar-link .icon { font-size: 18px; }

/* ─── STATS CARD ─── */
/* ─── STAT CARD ─── */
.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: 0 4px 20px rgba(233,30,140,0.08);
  border: 2px solid var(--pink-soft);
  display: flex; align-items: center; gap: 18px;
  transition: all 0.25s ease;
  cursor: default;
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(233,30,140,0.18);
  border-color: var(--pink-strong);
  background: linear-gradient(135deg, #fff5fb 0%, #ffe8f5 100%);
}
.stat-card:hover .stat-value { color: var(--pink-deep); }
.stat-icon {
  width: 52px; height: 52px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; flex-shrink: 0;
  transition: transform 0.25s ease;
}
.stat-card:hover .stat-icon { transform: scale(1.15); }
.stat-value { font-size: 30px; font-weight: 800; color: var(--text-dark); line-height: 1; transition: color 0.25s; }
.stat-label { font-size: 13px; font-weight: 700; color: var(--text-muted); margin-top: 3px; }

/* ─── PROGRESS BAR ─── */
.progress { height: 10px; background: var(--pink-soft); border-radius: 99px; overflow: hidden; }
.progress-bar {
  height: 100%; background: var(--grad-pink);
  border-radius: 99px; transition: width 0.6s ease;
}

/* ─── COURSE CARD ─── */
.course-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(233,30,140,0.08);
  border: 2px solid var(--pink-soft);
  overflow: hidden;
  transition: all 0.25s ease;
  cursor: pointer;
}
.course-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(233,30,140,0.22);
  border-color: var(--pink-strong);
  background: linear-gradient(135deg, #fff8fc 0%, #fff0f8 100%);
}
.course-card-header {
  height: 120px; display: flex; align-items: center; justify-content: center;
  font-size: 48px; position: relative;
  transition: all 0.25s ease;
}
.course-card:hover .course-card-header { transform: scale(1.03); }
.course-card-body { padding: 18px 20px; }
.course-card-title { font-size: 17px; font-weight: 800; color: var(--text-dark); margin-bottom: 6px; transition: color 0.25s; }
.course-card:hover .course-card-title { color: var(--pink-deep); }
.course-card-meta { font-size: 13px; color: var(--text-muted); font-weight: 600; }

/* ─── TESTIMONIAL CARD ─── */
.testimonial-card {
  background: var(--white) !important;
  border-radius: var(--radius) !important;
  padding: 28px !important;
  box-shadow: 0 4px 20px rgba(233,30,140,0.08) !important;
  border: 2px solid var(--pink-soft) !important;
  transition: all 0.25s ease !important;
  position: relative;
  overflow: hidden;
}
.testimonial-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: var(--grad-pink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.testimonial-card:hover {
  transform: translateY(-5px) !important;
  box-shadow: 0 14px 40px rgba(233,30,140,0.2) !important;
  border-color: var(--pink-strong) !important;
  background: linear-gradient(135deg, #fff5fb 0%, #ffeaf5 100%) !important;
}
.testimonial-card:hover::after { transform: scaleX(1); }

/* ─── ANNOUNCEMENT CARD ─── */
.announcement-card {
  background: var(--white);
  border-radius: 14px;
  padding: 18px 22px;
  border-left: 4px solid var(--pink-deep);
  border-top: 2px solid var(--pink-soft);
  border-right: 2px solid var(--pink-soft);
  border-bottom: 2px solid var(--pink-soft);
  box-shadow: 0 4px 16px rgba(233,30,140,0.08);
  transition: all 0.25s ease;
  margin-bottom: 12px;
}
.announcement-card:hover {
  transform: translateX(4px);
  box-shadow: 0 8px 28px rgba(233,30,140,0.15);
  border-left-color: var(--pink-strong);
  background: linear-gradient(135deg, #fff5fb, #ffeaf5);
}

/* ─── QUICK ACTION CARD (admin) ─── */
.quick-action {
  border: 2px solid var(--pink-soft) !important;
  transition: all 0.25s ease !important;
  position: relative;
  overflow: hidden;
}
.quick-action::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-pink);
  opacity: 0;
  transition: opacity 0.25s ease;
  z-index: 0;
}
.quick-action:hover {
  border-color: var(--pink-strong) !important;
  transform: translateY(-4px) !important;
  box-shadow: 0 12px 36px rgba(233,30,140,0.2) !important;
  color: #fff !important;
}
.quick-action:hover::before { opacity: 1; }
.quick-action > * { position: relative; z-index: 1; }
.quick-action:hover .quick-action-icon,
.quick-action:hover .quick-action-label { color: #fff !important; }

/* ─── FEATURE / INFO CARDS (homepage) ─── */
.feature-item, .why-item, .step-item, .info-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 2px solid var(--pink-soft);
  box-shadow: 0 4px 16px rgba(233,30,140,0.07);
  transition: all 0.25s ease;
  overflow: hidden;
}
.feature-item:hover, .why-item:hover, .step-item:hover, .info-card:hover {
  transform: translateY(-5px);
  border-color: var(--pink-strong);
  box-shadow: 0 14px 40px rgba(233,30,140,0.18);
  background: linear-gradient(135deg, #fff5fb 0%, #ffeaf5 100%);
}

/* ─── CHAPTER ITEM ─── */
.chapter-item {
  border: 2px solid transparent !important;
  transition: all 0.2s ease !important;
}
.chapter-item:hover {
  border-color: var(--pink-mid) !important;
  background: var(--pink-light) !important;
  transform: translateX(4px);
}

/* ─── RESOURCE BLOCK ─── */
.resource-block {
  background: var(--white);
  border-radius: var(--radius);
  border: 2px solid var(--pink-soft);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 4px 16px rgba(233,30,140,0.06);
  transition: border-color 0.2s ease;
}
.resource-block:hover { border-color: var(--pink-mid); }

/* ─── TABLE WRAP ─── */
.table-wrap {
  background: var(--white);
  border-radius: var(--radius);
  border: 2px solid var(--pink-soft);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(233,30,140,0.08);
}
.table-wrap table { width: 100%; border-collapse: collapse; }
.table-wrap th {
  background: linear-gradient(135deg, var(--pink-soft), #ffe8f5);
  padding: 14px 16px; font-size: 13px; font-weight: 800;
  color: var(--text-mid); text-align: left; border-bottom: 2px solid var(--pink-mid);
}
.table-wrap td {
  padding: 12px 16px; font-size: 14px; font-weight: 600;
  color: var(--text-dark); border-bottom: 1px solid var(--pink-soft);
  vertical-align: middle;
}
.table-wrap tr:last-child td { border-bottom: none; }
.table-wrap tr:hover td {
  background: linear-gradient(135deg, #fff5fb, #ffeaf5);
  color: var(--text-dark);
}

/* ─── FOOTER ─── */
footer {
  background: var(--text-dark);
  color: rgba(255,255,255,0.75);
  padding: 60px 0 28px;
  width: 100%;
}
footer h4 { color: var(--white); font-size: 17px; font-weight: 800; margin-bottom: 16px; }
footer a { color: rgba(255,255,255,0.65); text-decoration: none; display: block; margin-bottom: 8px; font-size: 14px; font-weight: 600; transition: color 0.15s; }
footer a:hover { color: var(--pink-strong); }
.footer-brand { font-size: 26px; font-weight: 800; color: var(--white); margin-bottom: 10px; }
.footer-brand span { color: var(--pink-strong); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.10); margin-top: 40px; padding-top: 20px; text-align: center; font-size: 13px; }

/* ─── LAYOUT ─── */
.page-layout { display: flex; min-height: calc(100vh - 70px); width: 100%; }
.page-content { flex: 1; overflow-x: hidden; width: 100%; min-width: 0; }
.inner { padding: 32px 48px; width: 100%; }

/* ─── CHAPTER LIST ─── */
.chapter-item {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 18px; border-radius: 12px;
  background: var(--cream); border: 1.5px solid var(--pink-soft);
  margin-bottom: 10px; cursor: pointer; transition: all 0.18s;
  text-decoration: none; color: inherit;
}
.chapter-item:hover { background: var(--pink-soft); border-color: var(--pink-mid); transform: translateX(4px); }
.chapter-num {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--grad-pink); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 14px; flex-shrink: 0;
}

/* ─── QUIZ ─── */
.quiz-option {
  padding: 13px 18px; border-radius: 12px;
  border: 2.5px solid var(--pink-soft); background: var(--cream);
  cursor: pointer; transition: all 0.18s; margin-bottom: 10px;
  font-weight: 700; font-size: 15px; display: flex; align-items: center; gap: 10px;
}
.quiz-option:hover { border-color: var(--pink-strong); background: var(--pink-soft); }
.quiz-option.selected { border-color: var(--pink-deep); background: var(--pink-soft); color: var(--pink-deep); }
.quiz-option.correct { border-color: #16a34a; background: #dcfce7; color: #16a34a; }
.quiz-option.wrong { border-color: #dc2626; background: #fee2e2; color: #dc2626; }

/* ─── ANIMATIONS ─── */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(24px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes float { 0%,100% { transform: translateY(0px); } 50% { transform: translateY(-12px); } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.6; } }

.animate-fadein { animation: fadeIn 0.4s ease both; }
.animate-slideup { animation: slideUp 0.4s ease both; }
.float { animation: float 3s ease-in-out infinite; }

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  /* Navbar */
  .navbar { padding: 0 16px; position: sticky; top:0; z-index:1000; }
  .nav-links {
    display: none; flex-direction: column;
    position: absolute; top: 70px; left: 0; right: 0;
    background: rgba(255,240,245,0.98);
    border-bottom: 2px solid var(--pink-mid);
    padding: 12px 0 16px; gap: 0;
    box-shadow: 0 8px 24px rgba(233,30,140,0.15); z-index: 999;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 12px 24px; border-radius: 0; border-bottom: 1px solid var(--pink-soft); font-size: 15px; }
  .nav-actions { display: none; }
  .hamburger { display: flex; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; border: none; background: transparent; margin-left: auto; }
  .hamburger span { display: block; width: 24px; height: 2.5px; background: var(--pink-deep); border-radius: 2px; transition: all 0.3s; }

  /* Page layout */
  .section { padding: 50px 0; }
  .hero    { padding: 50px 0; }
  .container { padding: 0 20px; }
  .sidebar { display: none; }
  .page-layout { flex-direction: column; }
  .page-content { width: 100%; min-width: 0; overflow-x: hidden; }
  .inner { padding: 16px !important; width: 100%; box-sizing: border-box; }

  /* Grids */
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2,1fr); }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .grid-auto { grid-template-columns: repeat(2,1fr) !important; }

  /* Welcome bar */
  #welcome-bar { flex-direction: column !important; align-items: flex-start !important; gap: 12px; padding: 20px !important; }
  #welcome-emoji { font-size: 40px !important; }
  #welcome-name  { font-size: 20px !important; }

  /* Stats */
  #stats-grid { grid-template-columns: repeat(2,1fr) !important; gap: 12px !important; }
  .stat-card  { padding: 14px 16px; gap: 12px; }
  .stat-value { font-size: 22px; }

  /* Course cards */
  #enrolled-courses { grid-template-columns: repeat(2,1fr) !important; gap: 14px !important; }

  /* Flex between wrapping */
  .flex-between { flex-wrap: wrap; gap: 10px; }

  /* Tool cards */
  .tools-grid { grid-template-columns: 1fr !important; }

  /* Table wrap scroll */
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .table-wrap table { min-width: 600px; }

  /* Buttons in rows */
  .btn-group, .mat-actions { flex-wrap: wrap; }

  /* Admin sidebar hidden */
  .page-layout .sidebar { display: none; }
}

@media (max-width: 550px) {
  /* Single column everything */
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-auto { grid-template-columns: 1fr !important; }
  #enrolled-courses { grid-template-columns: 1fr !important; }
  #stats-grid { grid-template-columns: repeat(2,1fr) !important; }

  /* Inner padding tighter */
  .inner { padding: 12px !important; }
  .container { padding: 0 14px; }

  /* Welcome bar */
  #welcome-name { font-size: 18px !important; }
  #welcome-sub  { font-size: 13px !important; }

  /* Stat cards smaller */
  .stat-card  { padding: 12px; gap: 10px; }
  .stat-icon  { width: 40px; height: 40px; font-size: 18px; }
  .stat-value { font-size: 20px; }
  .stat-label { font-size: 11px; }

  /* Hero section */
  .tc-hero h1, .par-hero h1, .fc-hero h1 { font-size: 26px; }
  .tc-hero, .par-hero, .fc-hero { padding: 40px 20px; }

  /* Tool cards */
  .tool-row   { flex-direction: column; }
  .tool-input, .tool-select { width: 100%; }

  /* Auth box */
  .auth-box { padding: 28px 20px; }

  /* Buttons full width on small screens */
  .nav-actions a, .nav-actions button { font-size: 12px; padding: 8px 12px; }

  /* Chapter hero */
  .chapter-hero { padding: 16px !important; }
  .chapter-hero h1 { font-size: 20px !important; }

  /* Resource blocks */
  .resource-block { padding: 16px !important; }

  /* Footer grids */
  footer .grid-4 { grid-template-columns: 1fr 1fr; gap: 20px; }

  /* Table horizontal scroll */
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .table-wrap table { min-width: 500px; }
}

/* ════════════════════════════════════════════════════
   HAMBURGER — visible on mobile/tablet by default
   ════════════════════════════════════════════════════ */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 6px;
  border: none;
  background: transparent;
  cursor: pointer;
  margin-left: auto;
  flex-shrink: 0;
  z-index: 1100;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--pink-deep);
  border-radius: 3px;
  transition: all 0.3s ease;
}

/* Hide hamburger on desktop */
@media (min-width: 901px) {
  .hamburger { display: none !important; }
  .mob-nav   { display: none !important; }
}

/* ════════════════════════════════════════════════════
   RESPONSIVE — Tablet (max 900px)
   ════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  /* Navbar */
  .navbar { padding: 0 14px; height: 60px; }
  .logo-text { font-size: 20px; }
  .nav-actions { display: none; }
  .nav-links {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 60px; left: 0; right: 0;
    background: #fff0f5;
    border-bottom: 2px solid var(--pink-mid);
    padding: 8px 0 16px;
    z-index: 1000;
    box-shadow: 0 8px 24px rgba(233,30,140,0.15);
    max-height: calc(100vh - 60px);
    overflow-y: auto;
  }
  .nav-links.open { display: flex; }
  .nav-links li   { width: 100%; }
  .nav-links a    { display: block; padding: 13px 24px; border-bottom: 1px solid var(--pink-soft); font-size: 15px; border-radius: 0; }

  /* Layout */
  .page-layout  { flex-direction: column; }
  .page-content { width: 100%; overflow-x: hidden; }
  .sidebar      { display: none; }
  .inner        { padding: 14px !important; box-sizing: border-box; }
  .section      { padding: 40px 0; }
  .container    { padding: 0 16px; }

  /* Grids */
  .grid-2  { grid-template-columns: 1fr; }
  .grid-3  { grid-template-columns: repeat(2,1fr); }
  .grid-4  { grid-template-columns: repeat(2,1fr); }
  .grid-auto { grid-template-columns: repeat(2,1fr) !important; }

  /* Dashboard specifics */
  #welcome-bar    { flex-direction: column !important; gap: 10px; padding: 18px !important; }
  #welcome-emoji  { font-size: 36px !important; }
  #welcome-name   { font-size: 19px !important; }
  #welcome-sub    { font-size: 13px !important; }
  #stats-grid     { grid-template-columns: repeat(2,1fr) !important; gap: 10px !important; }
  #enrolled-courses { grid-template-columns: repeat(2,1fr) !important; gap: 12px !important; }
  .stat-card      { padding: 14px; gap: 10px; }
  .stat-value     { font-size: 22px; }
  .stat-label     { font-size: 12px; }
  .tools-grid     { grid-template-columns: 1fr !important; }
  .flex-between   { flex-wrap: wrap; gap: 10px; }

  /* Tables */
  .table-wrap           { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .table-wrap table     { min-width: 580px; }

  /* Hero sections */
  .hero { flex-direction: column !important; padding: 40px 0; text-align: center; }
  .hero-visual { display: none; }

  /* Footer */
  footer .grid-4 { grid-template-columns: 1fr 1fr; gap: 24px; }
}

/* ════════════════════════════════════════════════════
   RESPONSIVE — Mobile (max 550px)
   ════════════════════════════════════════════════════ */
@media (max-width: 550px) {
  .navbar    { padding: 0 12px; height: 56px; }
  .logo-text { font-size: 18px; }

  /* Grids — all single column */
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-auto { grid-template-columns: 1fr !important; }
  #enrolled-courses { grid-template-columns: 1fr !important; }
  #stats-grid { grid-template-columns: repeat(2,1fr) !important; }

  /* Inner */
  .inner     { padding: 12px !important; }
  .container { padding: 0 12px; }

  /* Dashboard */
  #welcome-name  { font-size: 17px !important; }
  #welcome-sub   { font-size: 12px !important; }
  .stat-card     { padding: 12px 10px; gap: 8px; }
  .stat-icon     { width: 38px; height: 38px; font-size: 18px; border-radius: 12px; }
  .stat-value    { font-size: 20px; }
  .stat-label    { font-size: 11px; }

  /* Tool inputs stacked */
  .tool-row    { flex-direction: column; }
  .tool-input,
  .tool-select { width: 100%; min-width: unset; }

  /* Auth */
  .auth-box  { padding: 24px 16px; }
  .auth-wrap { padding: 20px 12px; }

  /* Buttons */
  .btn { font-size: 13px; padding: 10px 16px; }

  /* Resource block */
  .resource-block { padding: 14px !important; }

  /* Hero */
  .tc-hero, .par-hero, .fc-hero { padding: 36px 16px; }
  .tc-hero h1, .par-hero h1, .fc-hero h1 { font-size: 24px; }

  /* Footer */
  footer .grid-4 { grid-template-columns: 1fr 1fr; }

  /* Table */
  .table-wrap table { min-width: 480px; }
}

/* ─── UTILITY ─── */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.mt-0  { margin-top: 0; }    .mt-8  { margin-top: 8px; }   .mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; } .mt-40 { margin-top: 40px; }
.mb-0  { margin-bottom: 0; } .mb-8  { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; } .mb-28 { margin-bottom: 28px; }
.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-8  { gap: 8px; }  .gap-12 { gap: 12px; }
.gap-16 { gap: 16px; } .gap-24 { gap: 24px; }
.w-100  { width: 100%; }
.hidden { display: none !important; }
.divider { border: none; border-top: 2px solid var(--pink-soft); margin: 24px 0; }