/**
 * Open Design — Student Interface Styles
 * Scandinavian Warm Professional aesthetic
 * Applied to student dashboard and learning pages
 */

/* ─── Page Background (student pages only) ────────────────────────── */
.od-page {
  background: var(--od-bg);
  color: var(--od-fg);
}

/* ─── Typography ──────────────────────────────────────────────────── */
.od-h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
}
.od-h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.5vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0;
}
.od-h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.3;
  margin: 0;
}
.od-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--od-navy);
  margin: 0 0 8px;
}
.od-lead {
  font-size: 17px;
  line-height: 1.5;
  color: var(--od-muted);
  max-width: 60ch;
  margin: 0 auto;
}
.od-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--od-muted);
}
.od-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ─── Card ────────────────────────────────────────────────────────── */
.od-card {
  background: var(--od-surface);
  border: 1px solid var(--od-border);
  border-radius: 14px;
  padding: 20px;
}
/* ─── Buttons ─────────────────────────────────────────────────────── */
.od-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 500;
  transition: transform 0.05s ease, background 0.15s ease, border-color 0.15s ease;
  cursor: pointer;
}
.od-btn:active { transform: translateY(1px); }
.od-btn-primary {
  background: var(--od-accent);
  color: var(--od-surface);
  border-color: var(--od-accent);
}
.od-btn-primary:hover { background: var(--od-accent-hover); }
.od-btn-secondary {
  background: transparent;
  color: var(--od-fg);
  border-color: var(--od-border);
}
.od-btn-secondary:hover { border-color: var(--od-fg); }
.od-btn-ghost {
  background: transparent;
  color: var(--od-muted);
  border-color: transparent;
}
.od-btn-ghost:hover { color: var(--od-fg); }
.od-btn-navy {
  background: var(--od-navy);
  color: var(--od-surface);
  border-color: var(--od-navy);
}
.od-btn-navy:hover { background: var(--od-navy-hover); }
.od-btn-success {
  background: var(--od-green);
  color: var(--od-surface);
  border-color: var(--od-green);
}
.od-btn-success:hover { background: var(--od-green-hover); }
.od-btn-danger {
  background: var(--od-danger);
  color: var(--od-surface);
  border-color: var(--od-danger);
}
.od-btn-danger:hover { background: color-mix(in oklch, var(--od-danger) 85%, black); }
.od-btn-sm { padding: 6px 10px; font-size: 12px; }
.od-btn-lg { padding: 12px 20px; font-size: 15px; }
.od-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* ─── Link Hover (works with .group parent) ──────────────────────── */
.od-link-hover { transition: color 0.15s; }
.group:hover .od-link-hover { color: var(--od-navy); }

/* ─── Peer Checked (for star ratings etc.) ───────────────────────── */
.od-peer-accent { transition: color 0.15s; }
.peer:checked ~ .od-peer-accent { color: var(--od-accent) !important; }

/* ─── Stat Card ───────────────────────────────────────────────────── */
.od-stat-card {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  background: var(--od-surface);
  border: 1px solid var(--od-border);
  border-radius: 14px;
  padding: 20px;
}
.od-stat-value {
  font-family: var(--font-display);
  font-size: 32px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--od-fg);
}
.od-stat-label {
  font-size: 12px;
  color: var(--od-muted);
  margin-top: 6px;
}
.od-stat-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

/* ─── Progress ────────────────────────────────────────────────────── */
.od-progress-track {
  height: 6px;
  background: var(--od-fg-soft);
  border-radius: 999px;
  overflow: hidden;
}
.od-progress-fill {
  height: 100%;
  border-radius: 999px;
  transition: width 0.6s ease;
}
.od-progress-fill.navy { background: var(--od-navy); }
.od-progress-fill.accent { background: var(--od-accent); }
.od-progress-fill.green { background: var(--od-green); }

/* ─── Course Row ──────────────────────────────────────────────────── */
.od-course-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--od-border);
}
.od-course-row:last-child { border-bottom: 0; }
@media (max-width: 640px) {
  .od-course-row {
    flex-wrap: wrap;
    gap: 12px;
    padding: 14px 16px;
  }
  .od-course-row .od-course-progress {
    order: 3;
    width: 100%;
    margin-top: 4px;
  }
  .od-course-row .od-course-action {
    order: 2;
    margin-left: auto;
  }
}
.od-course-thumb {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--od-fg-soft);
  flex-shrink: 0;
  overflow: hidden;
  display: grid;
  place-items: center;
}
.od-course-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.od-course-info {
  flex: 1;
  min-width: 0;
}
.od-course-info h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
  color: var(--od-fg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.od-course-info p {
  font-size: 12px;
  color: var(--od-muted);
  margin: 0;
}
.od-course-progress {
  width: 140px;
  flex-shrink: 0;
}
.od-course-progress span {
  font-size: 11px;
  color: var(--od-muted);
  display: block;
  margin-bottom: 6px;
}
.od-progress-track {
  height: 8px;
  background: var(--od-fg-soft);
  border-radius: 999px;
  overflow: hidden;
}
.od-progress-fill {
  height: 100%;
  border-radius: 999px;
  transition: width 0.6s ease;
  min-width: 4px;
}
.od-course-action { flex-shrink: 0; }

/* ─── Badge ───────────────────────────────────────────────────────── */
.od-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
}
.od-badge-success { background: var(--od-green-soft); color: var(--od-green); }
.od-badge-warn { background: color-mix(in oklch, var(--od-accent) 12%, transparent); color: color-mix(in oklch, var(--od-accent) 70%, black); }
.od-badge-info { background: var(--od-navy-soft); color: var(--od-navy); }
.od-badge-danger { background: color-mix(in oklch, var(--od-danger) 10%, transparent); color: var(--od-danger); }

/* ─── Table ───────────────────────────────────────────────────────── */
.od-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.od-table th,
.od-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--od-border);
}
.od-table th {
  color: var(--od-muted);
  font-weight: 500;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.od-table tbody tr:hover { background: var(--od-fg-soft); }
.od-table .num-col {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

/* ─── Topbar (learning page) ──────────────────────────────────────── */
.od-topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklch, var(--od-bg) 92%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--od-border);
}
.od-topnav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
  gap: 16px;
}
.od-topnav .logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
}
.od-topnav .course-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--od-muted);
  max-width: 300px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.od-progress-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: var(--od-navy-soft);
  color: var(--od-navy);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
}

/* ─── Lesson Sidebar ──────────────────────────────────────────────── */
.od-module {
  margin-bottom: 16px;
}
.od-module-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: var(--od-fg-soft);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
}
.od-module-header .module-num {
  color: var(--od-muted);
  font-weight: 500;
  font-family: var(--font-mono);
  font-size: 11px;
}
.od-lesson-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.od-lesson-list li a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--od-muted);
  transition: background 0.15s, color 0.15s;
  text-decoration: none;
}
.od-lesson-list li a:hover {
  background: var(--od-fg-soft);
  color: var(--od-fg);
}
.od-lesson-list li.active a {
  background: var(--od-navy-soft);
  color: var(--od-navy);
  font-weight: 500;
}
.od-lesson-list li.completed a {
  color: var(--od-green);
}
.od-lesson-list .icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
}

/* ─── Video Wrap ──────────────────────────────────────────────────── */
.od-video-wrap {
  background: var(--od-fg);
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 16/9;
  position: relative;
}
.od-video-wrap iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ─── Lesson Nav ──────────────────────────────────────────────────── */
.od-lesson-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--od-border);
  margin-top: 24px;
}

/* ─── Celebration Overlay ─────────────────────────────────────────── */
.od-celebrate {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  background: color-mix(in oklch, var(--od-fg), transparent 20%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.od-celebrate.show {
  opacity: 1;
  pointer-events: auto;
}
.od-celebrate-card {
  background: var(--od-surface);
  border-radius: 16px;
  padding: 40px;
  text-align: center;
  max-width: 380px;
  width: 90%;
  transform: scale(0.92);
  transition: transform 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}
.od-celebrate.show .od-celebrate-card {
  transform: scale(1);
}
.od-celebrate-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 999px;
  background: var(--od-green-soft);
  color: var(--od-green);
  display: grid;
  place-items: center;
}

/* ─── Toast ───────────────────────────────────────────────────────── */
.od-toast {
  background: var(--od-fg);
  color: var(--od-surface);
  padding: 12px 18px;
  border-radius: 10px;
  font-size: 13px;
  box-shadow: 0 8px 24px color-mix(in oklch, var(--od-fg), transparent 80%);
  transform: translateY(20px);
  opacity: 0;
  animation: odToastIn 0.3s forwards;
  display: flex;
  align-items: center;
  gap: 8px;
}
.od-toast.out {
  animation: odToastOut 0.3s forwards;
}
@keyframes odToastIn { to { transform: translateY(0); opacity: 1; } }
@keyframes odToastOut { to { transform: translateY(20px); opacity: 0; } }

/* ─── Resource Row ────────────────────────────────────────────────── */
.od-resource {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--od-border);
  font-size: 13px;
  color: var(--od-fg);
  text-decoration: none;
}
.od-resource:last-child { border-bottom: 0; }
.od-resource:hover { color: var(--od-navy); }

/* ─── Empty State ─────────────────────────────────────────────────── */
.od-empty {
  text-align: center;
  padding: 48px 24px;
}
.od-empty-icon {
  width: 64px;
  height: 64px;
  border-radius: 999px;
  background: var(--od-fg-soft);
  color: var(--od-muted);
  display: grid;
  place-items: center;
  margin: 0 auto 16px;
}
.od-empty h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--od-fg);
  margin-bottom: 4px;
}
.od-empty p {
  font-size: 14px;
  color: var(--od-muted);
  margin-bottom: 16px;
}

/* ─── Forms ───────────────────────────────────────────────────────── */
.od-form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--od-fg);
  margin-bottom: 6px;
}
.od-input {
  display: block;
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--od-fg);
  background: var(--od-surface);
  border: 1px solid var(--od-border);
  border-radius: 10px;
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}
.od-input:focus {
  border-color: var(--od-navy);
  box-shadow: 0 0 0 3px var(--od-navy-soft);
}
.od-input::placeholder { color: var(--od-muted); opacity: 0.7; }
.od-input[type="file"] { padding: 6px 10px; }

/* Input with left icon */
.od-input.od-input-icon {
  padding-left: 42px;
}

/* Input with right icon/button */
.od-input.od-input-icon-right {
  padding-right: 42px;
}

.od-radio-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--od-border);
  border-radius: 12px;
  cursor: pointer;
  background: var(--od-surface);
  transition: border-color 0.15s, background 0.15s;
  font-size: 13px;
  font-weight: 500;
  color: var(--od-fg);
}
.od-radio-card:has(input:checked) {
  border-color: var(--od-navy);
  background: var(--od-navy-soft);
}
.od-radio-card:hover {
  border-color: var(--od-navy);
}

/* ─── Auth Page Background ────────────────────────────────────────── */
.od-auth-page {
  background: var(--od-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px 16px;
}
.od-auth-card {
  background: var(--od-surface);
  border: 1px solid var(--od-border);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 1px 3px color-mix(in oklch, var(--od-fg), transparent 92%);
}

/* ════════════════════════════════════════════════════════════════════
   NAVIGATION  (Open Design — replaces legacy blue/gray nav)
   ════════════════════════════════════════════════════════════════════ */

.od-nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--od-fg);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
}
.od-nav-link:hover {
  color: var(--od-navy);
  background: var(--od-fg-soft);
}
.od-nav-link-active {
  color: var(--od-navy);
  background: var(--od-fg-soft);
}

.od-nav-dropdown {
  background: var(--od-surface);
  border: 1px solid var(--od-border);
  border-radius: 10px;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.08);
  overflow: hidden;
}
.od-nav-dropdown-link {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  font-size: 14px;
  color: var(--od-fg);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
  gap: 8px;
}
.od-nav-dropdown-link:hover {
  color: var(--od-navy);
  background: var(--od-fg-soft);
}
.od-nav-dropdown-icon {
  width: 20px;
  text-align: center;
  color: var(--od-muted);
  flex-shrink: 0;
}

.od-nav-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  color: var(--od-muted);
  transition: color 0.15s, background 0.15s;
}
.od-nav-icon-btn:hover {
  color: var(--od-navy);
  background: var(--od-fg-soft);
}

.od-nav-avatar {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 2px solid var(--od-navy);
  background: var(--od-navy-soft);
  color: var(--od-navy);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 12px;
  flex-shrink: 0;
}
.od-nav-avatar-lg {
  width: 40px;
  height: 40px;
  font-size: 14px;
}

.od-nav-btn-navy {
  display: inline-flex;
  align-items: center;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  background: var(--od-navy);
  color: white;
  text-decoration: none;
  transition: background 0.15s;
}
.od-nav-btn-navy:hover { background: var(--od-navy-hover); }

.od-nav-btn-ghost {
  display: inline-flex;
  align-items: center;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--od-navy);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
}
.od-nav-btn-ghost:hover {
  color: var(--od-navy-hover);
  background: var(--od-navy-soft);
}

.od-nav-mobile-menu {
  background: var(--od-surface);
  border-top: 1px solid var(--od-border);
}
.od-nav-mobile-link {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 500;
  color: var(--od-fg);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
}
.od-nav-mobile-link:hover {
  color: var(--od-navy);
  background: var(--od-fg-soft);
}
.od-nav-mobile-link-active {
  color: var(--od-navy);
  background: var(--od-fg-soft);
}
.od-nav-mobile-sublink {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--od-muted);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
  gap: 8px;
}
.od-nav-mobile-sublink:hover {
  color: var(--od-navy);
  background: var(--od-fg-soft);
}

.od-nav-divider { border-color: var(--od-border); }

.od-nav-logout {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 16px;
  font-size: 14px;
  color: var(--od-danger);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
}
.od-nav-logout:hover {
  background: color-mix(in oklch, var(--od-danger) 8%, transparent);
}

/* ════════════════════════════════════════════════════════════════════
   FOOTER  (Open Design — warm dark navy instead of cool gray-900)
   ════════════════════════════════════════════════════════════════════ */

.od-footer {
  background: var(--od-fg);
  color: var(--od-border);
  margin-top: 5rem;
}
.od-footer-heading {
  color: var(--od-surface);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}
.od-footer-text {
  color: var(--od-muted);
  font-size: 14px;
  line-height: 1.5;
}
.od-footer-link {
  display: inline-flex;
  align-items: center;
  color: var(--od-muted);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.15s;
}
.od-footer-link:hover { color: var(--od-accent); }
.od-footer-bottom {
  background: color-mix(in oklch, var(--od-fg) 95%, black);
  padding: 24px 0;
}
.od-footer-bottom-text {
  color: var(--od-muted);
  font-size: 14px;
}
.od-footer-bottom-link {
  color: var(--od-muted);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.15s;
}
.od-footer-bottom-link:hover { color: var(--od-accent); }
.od-footer-divider { color: color-mix(in oklch, var(--od-fg) 70%, white); }

.od-footer-input {
  flex: 1;
  padding: 10px 16px;
  border-radius: 6px;
  background: color-mix(in oklch, var(--od-fg) 80%, black);
  color: var(--od-surface);
  border: 1px solid color-mix(in oklch, var(--od-fg) 70%, white);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}
.od-footer-input::placeholder { color: var(--od-muted); }
.od-footer-input:focus { border-color: var(--od-accent); }

.od-footer-btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 24px;
  border-radius: 6px;
  background: var(--od-accent);
  color: var(--od-fg);
  font-size: 14px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}
.od-footer-btn:hover { background: var(--od-accent-hover); }

/* ─── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 920px) {
  .od-topnav .course-title { display: none; }
  .od-course-progress { display: none; }
  .od-course-action .od-btn { padding: 6px 10px; font-size: 12px; }
}

/* ─── Toast Light Variants (for <x-toast> component) ────────────── */
.od-toast-success {
  background: var(--od-green-soft);
  border: 1px solid color-mix(in oklch, var(--od-green) 35%, transparent);
  color: var(--od-green);
  border-radius: 8px;
  padding: 12px 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.od-toast-error {
  background: color-mix(in oklch, var(--od-danger) 10%, transparent);
  border: 1px solid color-mix(in oklch, var(--od-danger) 35%, transparent);
  color: var(--od-danger);
  border-radius: 8px;
  padding: 12px 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
/* ─── Reduced Motion ──────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .od-progress-fill { transition: none; }
  .od-toast { animation: none; transform: none; opacity: 1; }
  .od-celebrate { transition: none; }
  .od-celebrate-card { transition: none; transform: none; }
}