/*
 * Sixty Motion LMS — glass UI tokens (Phase 1 shell + P0 screens)
 * Loaded after style.min.css from templates/base.html.
 *
 * Frosted surfaces: sidebar, topbar, login card, page headers,
 * metric cards, quiz cards, lecturer cards.
 * Canvas and dense tables stay opaque. No full-page backdrop blur.
 */

:root {
  --canvas: #f1f5f9;
  --canvas-deep: #e2e8f0;
  --surface-glass: rgba(255, 255, 255, 0.68);
  --surface-glass-strong: rgba(255, 255, 255, 0.82);
  --glass-blur: 14px;
  --glass-blur-strong: 16px;
  --glass-border: rgba(255, 255, 255, 0.55);
  --ink: #0f172a;
  --ink-muted: #64748b;
  --accent: #2e9896;
  --accent-hover: #257a78;
  --accent-ink: #257a78;
  --accent-tint: #e6f5f4;
  --indigo-residual: #1e3a5f;
  --danger: #dc2626;
  --shadow-glass: 0 8px 24px rgba(15, 23, 42, 0.08);
  --focus-ring: 0 0 0 3px rgba(46, 152, 150, 0.35);
  --radius-card: 16px;
  --radius-control: 8px;
  --font-sans: Inter, "Rubik", system-ui, sans-serif;
  --placeholder: #94a3b8;
  --input-border: #cbd5e1;
  --input-fill: #ffffff;
  --surface-solid: #ffffff;
  --row-zebra: #f8fafc;

  /* Keep existing sea-green hooks pointed at the locked accent. */
  --primary: #2e9896;
  --sea-green: #2e9896;
  --sea-green-hover: #257a78;
  --sea-green-light: #e6f5f4;
  --sea-green-dark: #257a78;
}

body {
  font-family: var(--font-sans);
  background-color: var(--canvas);
  color: var(--ink);
  /* Soft wash only. No backdrop-filter on the page. */
  background-image:
    radial-gradient(ellipse 72% 42% at 0% 0%, rgba(46, 152, 150, 0.12), transparent 58%),
    radial-gradient(ellipse 48% 36% at 100% 0%, rgba(30, 58, 95, 0.07), transparent 52%);
  background-attachment: fixed;
}

#main {
  background: transparent;
}

.title-1 {
  color: var(--ink);
  font-weight: 800;
}

#main .breadcrumb-item a {
  color: var(--accent-ink);
}

#main .breadcrumb-item.active {
  color: var(--ink-muted);
}

/* ---------- Shell: frosted sidebar + topbar ---------- */

#side-nav {
  background: var(--surface-glass) !important;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-right: 1px solid var(--glass-border);
  box-shadow: var(--shadow-glass) !important;
}

#side-nav .top-side {
  background: transparent !important;
  box-shadow: none !important;
  border-bottom: 1px solid var(--canvas-deep);
}

#side-nav ul li a {
  color: var(--ink-muted);
  border-radius: var(--radius-control);
  margin: 0.15rem 0.75rem;
  font-weight: 500;
}

#side-nav ul li a:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.55);
}

#side-nav ul li.active > a,
#side-nav ul li.active > a:hover {
  background: var(--accent-tint) !important;
  color: var(--accent-ink) !important;
}

#side-nav .text-secondary {
  color: var(--ink-muted) !important;
}

.role-badge {
  display: inline-block;
  background-color: var(--accent-tint) !important;
  color: var(--accent-ink) !important;
  border: 1px solid rgba(46, 152, 150, 0.35) !important;
  border-radius: var(--radius-control);
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.3;
}

#top-navbar {
  background: var(--surface-glass) !important;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-glass);
}

#top-navbar #primary-search {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--canvas-deep);
  color: var(--ink);
  border-radius: var(--radius-control) 0 0 var(--radius-control);
}

#top-navbar #primary-search::placeholder {
  color: var(--ink-muted);
}

#top-navbar #primary-search:focus {
  border-color: var(--accent);
  box-shadow: var(--focus-ring);
  outline: none;
}

#top-navbar .form-header .btn {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #fff;
  border-radius: 0 var(--radius-control) var(--radius-control) 0;
}

#top-navbar .form-header .btn:hover,
#top-navbar .form-header .btn:focus {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}

#top-navbar .dropdown-menu {
  background: #fff;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: 1px solid var(--canvas-deep);
  border-radius: 12px;
  box-shadow: var(--shadow-glass);
  color: var(--ink);
}

#side-nav a:focus-visible,
#top-navbar button:focus-visible,
#top-navbar input:focus-visible,
#top-navbar a:focus-visible,
.glass-card a:focus-visible,
.glass-card button:focus-visible,
.btn-glass-primary:focus-visible,
.btn-glass-secondary:focus-visible,
.btn-glass-ghost:focus-visible,
.glass-input:focus-visible,
.login-card .form-control:focus-visible,
.solid-table a:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

/* ---------- Dashboard cards (glass) ---------- */

.users-count .card-count,
.glass-card {
  background: var(--surface-glass) !important;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-card) !important;
  box-shadow: var(--shadow-glass) !important;
  color: var(--ink);
}

.users-count .card-count .text-right {
  color: var(--ink-muted);
  font-weight: 500;
}

.users-count .card-count h2 {
  color: var(--ink);
  font-weight: 800;
}

.users-count .card-count:hover,
.dashboard-card-rounded:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glass) !important;
}

/* Metric icons: accent tint, not rainbow fills. */
.bg-light-aqua,
.bg-light-orange,
.bg-light-purple,
.bg-light-red {
  background-color: var(--accent-tint) !important;
  box-shadow: none !important;
  color: var(--accent-ink) !important;
}

.dashboard-quick-actions .card-header {
  background: transparent !important;
  border-bottom: 1px solid var(--canvas-deep);
}

.dashboard-quick-actions .card-header h5,
.activities-card > h5 {
  color: var(--ink) !important;
  font-weight: 700;
}

.dashboard-quick-actions .btn {
  background: #fff !important;
  color: var(--accent-ink) !important;
  border: 1px solid var(--accent) !important;
  border-radius: var(--radius-control) !important;
  box-shadow: none !important;
}

.dashboard-quick-actions .btn:hover,
.dashboard-quick-actions .btn:focus {
  background: var(--accent-tint) !important;
  border-color: var(--accent) !important;
  color: var(--accent-ink) !important;
}

/* Meet sessions: accent header, opaque session cards (no stacked glass). */
.meet-sessions-panel {
  background: #fff !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  border: 1px solid var(--canvas-deep) !important;
  border-radius: var(--radius-card) !important;
  box-shadow: var(--shadow-glass);
  overflow: hidden;
}

.meet-sessions-panel > .card-header {
  background-color: var(--accent) !important;
  color: #fff;
  border: 0;
}

.solid-card,
.solid-card .card-header,
.solid-card .card-body {
  background-color: #fff !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  color: var(--ink);
}

.solid-card {
  border: 1px solid var(--canvas-deep) !important;
  border-radius: 12px !important;
  box-shadow: none !important;
}

.solid-card .text-muted,
.activities-card .text-gray-500 {
  color: var(--ink-muted) !important;
}

/* Latest activities: frosted shell, solid rows. */
.activities-card li,
.activities-card .solid-row {
  background: #fff !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  border: 1px solid var(--canvas-deep);
  border-left: 4px solid var(--accent) !important;
  border-radius: 0 var(--radius-control) var(--radius-control) 0;
  color: var(--ink);
}

/* Dense data tables stay solid. Never inherit glass blur. */
table,
.table,
.table-responsive,
.table-responsive table,
.table thead,
.table tbody,
.table tr,
.table th,
.table td {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

.table,
.table-responsive {
  background-color: #fff;
}

.table td {
  background-color: #fff;
}

.table th {
  background-color: #f8fafc;
  color: var(--ink);
}

/* ---------- Auth pages other than the custom login canvas ---------- */

body.auth-page {
  min-height: 100vh;
  color: var(--ink);
}

body.auth-page #login {
  max-width: 32rem;
  margin: 3rem auto;
  padding: 2rem 1.75rem;
  background: var(--surface-glass-strong);
  backdrop-filter: blur(var(--glass-blur-strong));
  -webkit-backdrop-filter: blur(var(--glass-blur-strong));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-glass);
  color: var(--ink);
}

body.auth-page #login .login-title {
  color: var(--ink);
  font-weight: 700;
  margin-bottom: 1rem;
}

body.auth-page #login .form-control,
body.auth-page #login input[type="text"],
body.auth-page #login input[type="email"],
body.auth-page #login input[type="password"] {
  background: #fff;
  border: 1px solid var(--canvas-deep);
  border-radius: var(--radius-control);
  color: var(--ink);
}

body.auth-page #login .form-control:focus,
body.auth-page #login input:focus {
  border-color: var(--accent);
  box-shadow: var(--focus-ring);
  outline: none;
}

body.auth-page .btn-primary {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #fff;
  border-radius: var(--radius-control);
}

body.auth-page .btn-primary:hover,
body.auth-page .btn-primary:focus {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}

body.auth-page:not(:has(#login)):not(:has(.login-container)) .container {
  background: var(--surface-glass-strong);
  backdrop-filter: blur(var(--glass-blur-strong));
  -webkit-backdrop-filter: blur(var(--glass-blur-strong));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-glass);
}

body.auth-page .blue-gradient {
  background: var(--accent) !important;
  color: #fff !important;
  border-radius: 12px;
}

body.auth-page .link {
  color: var(--accent-ink);
}

body.auth-page .link:hover {
  color: var(--accent-hover);
}

/* ---------- P0 components: buttons, forms, badges, cards ---------- */

.btn-glass-primary,
.btn-glass-secondary,
.btn-glass-ghost {
  border-radius: var(--radius-control) !important;
  font-weight: 600;
  box-shadow: none !important;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-glass-primary {
  background: var(--accent) !important;
  border: 1px solid var(--accent) !important;
  color: #fff !important;
}

.btn-glass-primary:hover,
.btn-glass-primary:focus {
  background: var(--accent-hover) !important;
  border-color: var(--accent-hover) !important;
  color: #fff !important;
}

.btn-glass-secondary {
  background: var(--surface-solid) !important;
  border: 1.5px solid var(--accent) !important;
  color: var(--accent) !important;
}

.btn-glass-secondary:hover,
.btn-glass-secondary:focus {
  background: var(--accent-tint) !important;
  border-color: var(--accent) !important;
  color: var(--accent-ink) !important;
}

.btn-glass-ghost {
  background: transparent !important;
  border: 1px solid transparent !important;
  color: var(--ink-muted) !important;
}

.btn-glass-ghost:hover,
.btn-glass-ghost:focus {
  background: var(--canvas-deep) !important;
  color: var(--ink) !important;
}

.glass-label,
.login-card .form-label,
.glass-screen .form-label {
  display: block;
  font-weight: 500;
  color: var(--ink-muted);
  font-size: 0.875rem;
  line-height: 1.3;
  margin-bottom: 6px;
}

.glass-input,
.login-card .form-control,
.glass-screen .form-control {
  background: var(--input-fill);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-control);
  color: var(--ink);
  backdrop-filter: none;
}

.glass-input::placeholder,
.login-card .form-control::placeholder,
.glass-screen .form-control::placeholder,
#top-navbar #primary-search::placeholder {
  color: var(--placeholder);
}

.glass-input:focus,
.login-card .form-control:focus,
.glass-screen .form-control:focus {
  border-color: var(--accent);
  box-shadow: var(--focus-ring);
  outline: none;
  background: var(--input-fill);
}

.glass-badge,
.glass-badge-muted {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0;
}

.glass-badge {
  background: var(--accent-tint);
  color: var(--accent-ink);
}

.glass-badge-muted {
  background: var(--canvas);
  color: var(--ink-muted);
}

.glass-page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  padding: 1.35rem 1.5rem;
  background: var(--surface-glass);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-glass);
  color: var(--ink);
}

.glass-page-header .title-1 {
  margin-bottom: 0.2rem;
}

.glass-kicker {
  margin: 0;
  color: var(--accent-ink);
  font-size: 0.95rem;
  font-weight: 600;
}

.glass-muted {
  color: var(--ink-muted);
  font-size: 0.875rem;
  font-weight: 500;
}

.glass-accent {
  color: var(--accent);
}

.glass-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.glass-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.glass-metric {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1.05rem 1.2rem;
  background: var(--surface-glass);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  box-shadow: var(--shadow-glass);
}

.glass-metric-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 10px;
  background: var(--accent-tint);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.glass-metric-value {
  color: var(--ink);
  font-size: 1.375rem;
  font-weight: 800;
  line-height: 1.1;
}

.glass-metric-label {
  color: var(--ink-muted);
  font-size: 0.75rem;
  font-weight: 500;
}

.glass-section-title,
.glass-screen .form-title {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.45rem;
  margin: 0 0 0.75rem;
  padding: 0;
  background: transparent !important;
  color: var(--ink) !important;
  font-size: 1.125rem;
  font-weight: 700;
  text-align: left;
}

.glass-screen .form-title i,
.glass-section-title i {
  color: var(--accent);
  margin-right: 0;
}

/* Opaque data surfaces. Never blur table cells or this shell. */
.solid-panel {
  background: var(--surface-solid);
  border: 1px solid var(--canvas-deep);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-glass);
  overflow: hidden;
  margin-bottom: 1.5rem;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

.solid-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--canvas-deep);
  background: var(--surface-solid);
}

.solid-panel-head h2,
.solid-panel-head h6 {
  margin: 0;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
}

.solid-panel .table-responsive {
  background: var(--surface-solid);
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

.solid-table {
  margin: 0;
  background: var(--surface-solid) !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  border-collapse: separate;
  border-spacing: 0;
}

.solid-table thead th {
  background: var(--accent) !important;
  color: #fff !important;
  font-weight: 600;
  border: 0 !important;
  padding: 0.85rem 1.1rem !important;
  text-align: left;
  vertical-align: middle;
}

.solid-table tbody td,
.solid-table tbody th {
  background: var(--surface-solid) !important;
  color: var(--ink);
  border-top: 0 !important;
  border-bottom: 1px solid var(--canvas-deep) !important;
  border-left: 0 !important;
  border-right: 0 !important;
  padding: 0.9rem 1.1rem !important;
  vertical-align: middle;
  box-shadow: none !important;
  transform: none !important;
}

.solid-table tbody tr:nth-child(even) td,
.solid-table tbody tr:nth-child(even) th {
  background: var(--row-zebra) !important;
}

.solid-table tbody tr:hover td,
.solid-table tbody tr:hover th {
  background: var(--accent-tint) !important;
  transform: none !important;
  box-shadow: none !important;
}

.solid-table tbody tr:last-child td,
.solid-table tbody tr:last-child th {
  border-bottom: 0 !important;
}

.solid-table tbody a {
  color: var(--accent-ink);
  font-weight: 600;
  text-decoration: none;
}

.solid-table tbody a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.solid-table .download-btn {
  color: var(--accent-ink);
  font-weight: 600;
  text-decoration: none;
}

.course-name-link {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink) !important;
  font-weight: 600;
}

.course-mark {
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 8px;
  background: var(--accent-tint);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.glass-row-action {
  font-weight: 600;
  white-space: nowrap;
}

.glass-screen .pagination a {
  color: var(--accent-ink);
  border-radius: var(--radius-control);
}

.glass-screen .pagination a.pagination-active,
.glass-screen .pagination-active {
  background: var(--accent);
  color: #fff;
}

.glass-empty {
  background: rgba(255, 255, 255, 0.62);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px dashed rgba(148, 163, 184, 0.55);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-glass);
  text-align: center;
  padding: 2.75rem 1.5rem;
  color: var(--ink-muted);
  margin-bottom: 1.5rem;
}

.glass-empty-icon {
  width: 3.5rem;
  height: 3.5rem;
  margin: 0 auto 0.9rem;
  border-radius: 999px;
  background: var(--canvas-deep);
  color: var(--ink-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.glass-empty p {
  margin: 0 0 0.35rem;
  color: var(--ink-muted);
  font-weight: 500;
}

.quiz-card {
  min-height: 100%;
  padding: 1.25rem !important;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease;
}

.quiz-card:hover {
  transform: translateY(-2px);
}

.quiz-category {
  color: var(--ink-muted);
  font-size: 12px;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.quiz-card-title {
  color: var(--ink);
  font-weight: 700;
  margin-top: 0.85rem;
}

.quiz-card-copy {
  color: var(--ink-muted);
  font-size: 0.875rem;
}

.quiz-card .btn-glass-primary {
  margin-top: auto;
}

.glass-note {
  background: var(--accent-tint);
  color: var(--accent-ink);
  border-radius: var(--radius-control);
  padding: 0.55rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
}

.lecturer-card .card-body {
  text-align: left;
}

.lecturer-card h5,
.lecturer-card .fw-bold {
  color: var(--ink);
}

.lecturer-card .avatar {
  border: 2px solid var(--glass-border);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .users-count .card-count:hover,
  .dashboard-card-rounded:hover,
  .quiz-card:hover {
    transform: none;
  }
}