/* ============================================================
   Mlatho Learn — Production Design System
   ============================================================ */

:root {
  /* Core palette */
  --bg: #f4f6f8;
  --bg-subtle: #eef1f5;
  --panel: #ffffff;
  --text: #1a1d21;
  --text-secondary: #4a5568;
  --muted: #718096;
  --accent: #0d7a5f;
  --accent-hover: #0a6550;
  --accent-light: #e6f7f2;
  --accent-2: #f1b24a;
  --accent-2-light: #fef6e4;
  --danger: #dc3545;
  --danger-light: #fde8ea;
  --success: #0f6a42;
  --success-light: #e6f4ef;
  --warning: #d97706;
  --warning-light: #fef3cd;
  --info: #146a9f;
  --info-light: #e0f0ff;
  --border: #e2e8f0;
  --border-hover: #cbd5e0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
  --shadow-focus: 0 0 0 3px rgba(13,122,95,0.18);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 999px;
  --transition: 0.2s ease;
  --font-sans: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  --max-width: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---- Scrollbar theming ---- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-subtle); }
::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 4px; }

/* ---- Focus ---- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ============================================================
   Typography
   ============================================================ */
h1, h2, h3, h4 { margin: 0 0 0.5rem; font-weight: 700; color: var(--text); line-height: 1.3; }
h1 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.1rem; }
h4 { font-size: 0.95rem; }
p { margin: 0 0 0.5rem; }

/* ============================================================
   Layout
   ============================================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem 2rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

/* ============================================================
   Navigation / Top bar
   ============================================================ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  height: 56px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
  text-decoration: none;
}

.topbar-brand svg { width: 28px; height: 28px; flex-shrink: 0; }

.topbar-nav {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.topbar-nav a,
.topbar-nav button {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.topbar-nav a:hover,
.topbar-nav button:hover { background: var(--bg-subtle); color: var(--text); }

.topbar-nav .nav-active { background: var(--accent-light); color: var(--accent); }

.topbar-user {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.user-name { font-size: 0.88rem; font-weight: 600; }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 220px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #0d7a5f 0%, #146a9f 55%, #1b3c4b 100%);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(255,255,255,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(255,255,255,0.05) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
  padding: 1.5rem 1rem;
}

.hero h1 {
  margin: 0 0 0.3rem;
  color: #fff;
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  letter-spacing: -0.3px;
}

.hero p { margin: 0; opacity: 0.88; font-size: 1.05rem; }

/* ============================================================
   Cards
   ============================================================ */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 1.25rem;
  margin-bottom: 1rem;
  transition: box-shadow var(--transition);
}

.card:hover { box-shadow: var(--shadow-lg); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.card-header h2 { margin: 0; }

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.card-icon svg { width: 22px; height: 22px; }

.card-icon.green { background: var(--success-light); color: var(--success); }
.card-icon.blue { background: var(--info-light); color: var(--info); }
.card-icon.amber { background: var(--accent-2-light); color: var(--warning); }
.card-icon.red { background: var(--danger-light); color: var(--danger); }

/* ============================================================
   Auth card
   ============================================================ */
.auth-card {
  position: relative;
  overflow: hidden;
}

.auth-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--info));
}

.auth-card .row { margin-top: 0.75rem; }

/* ============================================================
   Buttons
   ============================================================ */
.row,
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.button-link,
a.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: var(--radius-sm);
  padding: 0.55rem 1rem;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}

.button-link:hover,
a.btn:hover {
  background: var(--accent-hover);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

input,
select,
textarea,
button {
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.75rem;
  font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

input,
select,
textarea {
  background: #fff;
  color: var(--text);
  min-width: 200px;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: var(--shadow-focus);
  outline: none;
}

button {
  border: none;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}

button:hover:not(:disabled) {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

button:active:not(:disabled) { transform: translateY(0); }

button.secondary { background: #4a5568; }
button.secondary:hover:not(:disabled) { background: #2d3748; }

button.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
button.ghost:hover:not(:disabled) { background: var(--bg-subtle); color: var(--text); }

button.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.82rem;
  border-radius: 6px;
}

button.btn-success { background: var(--success); }
button.btn-success:hover:not(:disabled) { background: #0b5735; }

button.btn-warning { background: var(--warning); color: #fff; }

button.btn-danger { background: var(--danger); }
button.btn-danger:hover:not(:disabled) { background: #b02a37; }

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ============================================================
   Toast / Notification
   ============================================================ */
.toast-container {
  position: fixed;
  top: 68px;
  right: 1rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 380px;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
  font-size: 0.88rem;
  line-height: 1.4;
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.warning { border-left: 4px solid var(--warning); }
.toast.info { border-left: 4px solid var(--info); }

.toast-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 1px;
}

.toast-close {
  margin-left: auto;
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 0;
  font-size: 1.1rem;
  line-height: 1;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOut {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(100%); opacity: 0; }
}

.toast.removing { animation: slideOut 0.25s ease forwards; }

/* ============================================================
   Progress bar
   ============================================================ */
.progress-bar {
  height: 8px;
  background: var(--bg-subtle);
  border-radius: 4px;
  overflow: hidden;
  margin: 0.5rem 0;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #14b881);
  border-radius: 4px;
  transition: width 0.5s ease;
  min-width: 0;
}

.progress-text {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 0.15rem;
}

/* ============================================================
   Stat cards
   ============================================================ */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.75rem;
  margin: 0.75rem 0;
}

.stat-card {
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  text-align: center;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 0.2rem;
}

/* ============================================================
   Badges / Tags
   ============================================================ */
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0.4rem 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid rgba(13,122,95,0.15);
  border-radius: var(--radius-full);
  padding: 0.2rem 0.6rem;
}

.badge.mw { background: #e0f0ff; color: #146a9f; border-color: rgba(20,106,159,0.15); }
.badge.za { background: #fef3cd; color: #92400e; border-color: rgba(146,64,14,0.15); }
.badge.completed { background: var(--success-light); color: var(--success); border-color: rgba(15,106,66,0.15); }
.badge.locked { background: var(--bg-subtle); color: var(--muted); border-color: var(--border); }
.badge.level { background: var(--accent-2-light); color: #92400e; border-color: rgba(146,64,14,0.15); }

/* ============================================================
   Tracks & Modules
   ============================================================ */
.tracks {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(480px, 1fr));
  gap: 1rem;
}

.track {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: var(--panel);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.track:hover { border-color: var(--border-hover); box-shadow: var(--shadow-md); }

.track-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.track h3 { margin: 0; font-size: 1.05rem; }

.track-progress {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}

.module-list {
  margin: 0.65rem 0 0;
  padding: 0;
  list-style: none;
}

.module-item {
  margin-bottom: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.75rem;
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.module-item:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }

.module-item.completed {
  border-color: rgba(15,106,66,0.25);
  background: linear-gradient(135deg, #f0faf5 0%, #fff 100%);
}

.module-item.locked {
  opacity: 0.6;
  background: var(--bg-subtle);
}

.module-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
}

.module-info { flex: 1; min-width: 0; }

.module-info strong {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.15rem;
}

.module-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.module-status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-full);
}

.module-status-indicator.done { background: var(--success-light); color: var(--success); }
.module-status-indicator.in-progress { background: var(--info-light); color: var(--info); }
.module-status-indicator.not-started { background: var(--bg-subtle); color: var(--muted); }

/* ============================================================
   Module Experience (detail view)
   ============================================================ */
.module-experience-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.module-experience-header h2 { margin: 0; }

.module-overview {
  margin-bottom: 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-light) 0%, #f0f8ff 100%);
  border: 1px solid rgba(13,122,95,0.12);
  font-size: 0.92rem;
  line-height: 1.55;
}

.module-progress-summary {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
}

.module-progress-summary .progress-bar { flex: 1; }

.module-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.module-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
  padding: 1rem;
}

.module-panel h3 {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

/* ============================================================
   Lessons
   ============================================================ */
.lesson-row {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  margin-bottom: 0.6rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  transition: border-color var(--transition), background var(--transition);
}

.lesson-row:hover { border-color: var(--border-hover); }

.lesson-row.completed {
  border-color: rgba(15,106,66,0.2);
  background: linear-gradient(135deg, #f0faf5 0%, #fff 100%);
}

.lesson-number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-subtle);
  color: var(--muted);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.78rem;
  flex-shrink: 0;
}

.lesson-row.completed .lesson-number {
  background: var(--success);
  color: #fff;
}

.lesson-copy { flex: 1; min-width: 0; }

.lesson-copy h4 { margin: 0 0 0.25rem; font-size: 0.88rem; }

.lesson-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
}

.lesson-action { flex-shrink: 0; }

/* ============================================================
   Assessment
   ============================================================ */
.assessment-question {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin: 0 0 0.6rem;
  padding: 0.75rem;
  transition: border-color var(--transition);
}

.assessment-question:hover { border-color: var(--border-hover); }

.assessment-question legend {
  padding: 0 0.25rem;
  font-weight: 600;
  font-size: 0.88rem;
  line-height: 1.4;
}

.assessment-option {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  padding: 0.35rem 0.5rem;
  margin: 0.2rem 0;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.86rem;
  transition: background var(--transition);
}

.assessment-option:hover { background: var(--bg-subtle); }

.assessment-option input[type="radio"] {
  accent-color: var(--accent);
  min-width: auto;
  margin: 0;
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.assessment-feedback {
  margin-top: 0.5rem;
  padding: 0;
  list-style: none;
}

.assessment-feedback li {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  padding: 0.4rem 0.6rem;
  margin-bottom: 0.3rem;
  border-radius: 6px;
  font-size: 0.84rem;
  line-height: 1.45;
}

.feedback-correct { background: var(--success-light); color: var(--success); }
.feedback-incorrect { background: var(--danger-light); color: var(--danger); }

.assessment-pass {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--success);
  font-weight: 700;
  font-size: 0.92rem;
  padding: 0.5rem 0.75rem;
  background: var(--success-light);
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
}

.assessment-fail {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--danger);
  font-weight: 700;
  font-size: 0.92rem;
  padding: 0.5rem 0.75rem;
  background: var(--danger-light);
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
}

.module-complete-row {
  margin-top: 1rem;
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

/* ============================================================
   Step indicator (lesson/assessment/complete)
   ============================================================ */
.step-indicator {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 0.75rem 0 1rem;
}

.step {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  border-bottom: 3px solid transparent;
  white-space: nowrap;
}

.step.active { color: var(--accent); border-color: var(--accent); }
.step.done { color: var(--success); border-color: var(--success); }

.step-connector {
  flex: 1;
  height: 1px;
  background: var(--border);
  min-width: 16px;
}

/* ============================================================
   Certificates
   ============================================================ */
.cert-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.cert-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--accent-2-light) 0%, #fff 100%);
  transition: border-color var(--transition);
}

.cert-item:hover { border-color: var(--accent-2); }

.cert-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-2);
  color: #fff;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.cert-details { flex: 1; }
.cert-details strong { display: block; font-size: 0.88rem; }
.cert-details span { font-size: 0.78rem; color: var(--muted); }

.empty-state {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--muted);
}

.empty-state svg { width: 48px; height: 48px; opacity: 0.4; margin-bottom: 0.5rem; }
.empty-state p { margin: 0; font-size: 0.9rem; }

/* ============================================================
   Tabs
   ============================================================ */
.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1rem;
}

.tab-btn {
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  padding: 0.6rem 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
  border-radius: 0;
}

.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ============================================================
   Manual token fallback
   ============================================================ */
.manual-token {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--border);
}

/* ============================================================
   Filters bar
   ============================================================ */
.filter-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding: 0.6rem 0.75rem;
  background: var(--bg-subtle);
  border-radius: var(--radius-sm);
}

.filter-bar label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.filter-bar select { min-width: 160px; font-size: 0.85rem; padding: 0.4rem 0.6rem; }

/* ============================================================
   Utility
   ============================================================ */
.muted { color: var(--muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-accent { color: var(--accent); }
.text-center { text-align: center; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-sm { gap: 0.4rem; }
.gap-md { gap: 0.75rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }

.list {
  padding-left: 0;
  list-style: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ============================================================
   Skeleton loader
   ============================================================ */
.skeleton {
  background: linear-gradient(90deg, var(--bg-subtle) 25%, #e8ecf1 50%, var(--bg-subtle) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

.skeleton-text { height: 14px; margin-bottom: 0.5rem; width: 80%; }
.skeleton-text.short { width: 50%; }
.skeleton-block { height: 60px; }

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  text-align: center;
  color: var(--muted);
  padding: 1.5rem 1rem 2rem;
  font-size: 0.82rem;
  border-top: 1px solid var(--border);
  margin-top: 1rem;
}

.footer a { color: var(--accent); text-decoration: none; }
.footer a:hover { text-decoration: underline; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 880px) {
  .grid-2,
  .grid-3,
  .tracks,
  .module-columns {
    grid-template-columns: 1fr;
  }

  .stat-grid { grid-template-columns: repeat(2, 1fr); }

  input, select, textarea { min-width: 0; flex: 1 1 100%; }

  .topbar-nav { display: none; }

  .module-experience-header { flex-direction: column; gap: 0.5rem; }
}

@media (max-width: 540px) {
  .stat-grid { grid-template-columns: 1fr; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .tracks { grid-template-columns: 1fr; }
  .hero { min-height: 160px; }
}

/* ============================================================
   Print styles
   ============================================================ */
@media print {
  .topbar, .footer, .toast-container, button { display: none !important; }
  .card { box-shadow: none; border: 1px solid #ccc; page-break-inside: avoid; }
  body { background: #fff; }
}