/* Custom theme overrides for LMS prototype */
:root {
  --primary-600: #2c6cf7;
  --primary-400: #75a6ff;
  --neutral-900: #101828;
  --neutral-700: #344054;
  --neutral-200: #e4e7ec;
  --neutral-50: #f8f9fb;
  --success-500: #17b26a;
  --warning-500: #f79009;
  --error-500: #f04438;
  --radius-base: 12px;
  --radius-card: 16px;
  --shadow-e1: 0 6px 18px rgba(16, 24, 40, 0.08);
  --shadow-e2: 0 12px 32px rgba(16, 24, 40, 0.12);
}

body {
  background-color: var(--neutral-50);
  color: var(--neutral-900);
  font-family: "Inter", "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.app-shell {
  min-height: 100vh;
  display: flex;
  background-color: #fff;
}

.app-sidebar {
  width: 280px;
  background: #fff;
  border-right: 1px solid var(--neutral-200);
  transition: width 0.25s ease;
  overflow: hidden;
}

.app-sidebar .nav-link {
  border-radius: var(--radius-base);
  margin: 4px 0;
  color: var(--neutral-700);
}

.app-sidebar .nav-link.active,
.app-sidebar .nav-link:hover {
  background: rgba(44, 108, 247, 0.12);
  color: var(--primary-600);
}

.app-sidebar .nav-label {
  transition: opacity 0.2s ease;
}

.app-content {
  flex: 1;
  background: var(--neutral-50);
  padding: 32px;
  transition: padding 0.25s ease;
}

.card-modern {
  border: none;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-e1);
}

.hero-kpi {
  display: flex;
  align-items: center;
  gap: 20px;
}

.hero-kpi .kpi-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: conic-gradient(var(--primary-600) 0deg, var(--primary-600) var(--progress, 75deg), #eff4ff var(--progress, 75deg), #eff4ff 360deg);
  position: relative;
}

.hero-kpi .kpi-circle span {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 22px;
  font-weight: 700;
}

.badge-soft {
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(44, 108, 247, 0.1);
  color: var(--primary-600);
}

.status-pill {
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.status-pill.warning {
  background: rgba(247, 144, 9, 0.12);
  color: var(--warning-500);
}

.status-pill.success {
  background: rgba(23, 178, 106, 0.12);
  color: var(--success-500);
}

.status-pill.danger {
  background: rgba(240, 68, 56, 0.12);
  color: var(--error-500);
}

.timeline {
  border-left: 2px solid var(--neutral-200);
  padding-left: 20px;
  margin-left: 10px;
}

.timeline-item {
  position: relative;
  margin-bottom: 16px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary-600);
}

.module-card {
  border-radius: var(--radius-base);
  padding: 16px;
  background: #fff;
  box-shadow: var(--shadow-e1);
}

.player-sidebar {
  max-height: calc(100vh - 160px);
  overflow-y: auto;
}

.nav-tabs-modern .nav-link {
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--neutral-700);
  font-weight: 600;
  padding-bottom: 12px;
}

.nav-tabs-modern .nav-link.active {
  border-bottom-color: var(--primary-600);
  color: var(--primary-600);
}

.table-modern thead {
  background: #f5f7fb;
  border-bottom: none;
}

.table-modern thead th {
  border: none;
  color: var(--neutral-700);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.table-modern tbody tr {
  background: #fff;
  border-bottom: 1px solid #f0f0f5;
  transition: background 0.2s ease;
}

.table-modern tbody tr:hover {
  background: #f9fbff;
}

.offcanvas-wide {
  --bs-offcanvas-width: 640px;
}

.illustration-card {
  border-radius: var(--radius-card);
  background: linear-gradient(135deg, rgba(44, 108, 247, 0.12), rgba(117, 166, 255, 0.24));
  padding: 32px;
  box-shadow: var(--shadow-e1);
  text-align: center;
}

.light-border {
  border: 1px solid var(--neutral-200);
}

.chip {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(16, 24, 40, 0.05);
  font-size: 12px;
  font-weight: 500;
}

.course-card {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-e2);
}

.course-card img {
  height: 180px;
  object-fit: cover;
}

.rating-chip {
  background: rgba(255, 193, 7, 0.18);
  color: #b58300;
  border-radius: 999px;
  padding: 6px 12px;
  font-weight: 600;
}

.sticky-cta {
  position: sticky;
  top: 24px;
  box-shadow: var(--shadow-e1);
  border-radius: var(--radius-card);
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(44, 108, 247, 0.08);
  color: var(--primary-600);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 600;
}

.progress-ring {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: conic-gradient(var(--primary-600) 0deg, var(--primary-600) var(--progress, 200deg), rgba(44, 108, 247, 0.12) var(--progress, 200deg) 360deg);
  position: relative;
}

.progress-ring span {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-weight: 700;
}

.community-thread {
  border-radius: var(--radius-base);
  background: #fff;
  padding: 24px;
  box-shadow: var(--shadow-e1);
  margin-bottom: 20px;
}

.activity-feed .item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--neutral-200);
}

.activity-feed .item:last-child {
  border-bottom: none;
}

.role-tab {
  border-radius: 12px;
  background: rgba(44, 108, 247, 0.1);
  padding: 8px 16px;
  display: inline-flex;
  gap: 12px;
  align-items: center;
  font-weight: 600;
  color: var(--primary-600);
}

.analytics-card {
  border-radius: var(--radius-card);
  padding: 24px;
  background: #fff;
  box-shadow: var(--shadow-e1);
}

.chart-placeholder {
  height: 180px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(44, 108, 247, 0.12), rgba(23, 178, 106, 0.18));
}

.chart-wrapper {
  position: relative;
  height: 260px;
}

.chart-wrapper.chart-sm {
  height: 220px;
}

.chart-wrapper.chart-xs {
  height: 180px;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-top: 12px;
}

.chart-legend.stacked {
  flex-direction: column;
  gap: 10px;
}

.chart-legend .legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--neutral-600);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  display: inline-block;
}

.legend-dot.primary {
  background: var(--primary-600);
}

.legend-dot.primary-light {
  background: rgba(44, 108, 247, 0.45);
}

.legend-dot.success {
  background: var(--success-500);
}

.legend-dot.info {
  background: var(--primary-400);
}

.legend-dot.warning {
  background: var(--warning-500);
}

.legend-dot.neutral {
  background: rgba(148, 163, 184, 0.8);
}

.chart-stat {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--neutral-200);
}

.chart-stat .stat-item span {
  display: block;
}

.chart-stat .stat-value {
  font-weight: 600;
  font-size: 18px;
}

.chart-stat .stat-label {
  font-size: 13px;
  color: var(--neutral-600);
}

.chart-stat .stat-trend {
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(23, 178, 106, 0.12);
  color: var(--success-500);
}

.nav-pills .nav-link {
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 500;
  color: var(--neutral-700);
}

.nav-pills .nav-link.active {
  background: var(--primary-600);
  color: #fff;
}

.app-topbar {
  height: 72px;
  box-shadow: var(--shadow-e1);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 1030;
}

.app-topbar .search-bar {
  max-width: 320px;
}

.role-switcher .role-switcher-toggle {
  border-radius: 999px;
  font-weight: 600;
  border-color: rgba(52, 64, 84, 0.2);
  background: #fff;
  color: var(--neutral-700);
  padding: 8px 16px;
}

.role-switcher .role-switcher-toggle:hover,
.role-switcher .role-switcher-toggle:focus-visible {
  border-color: var(--primary-600);
  color: var(--primary-600);
  box-shadow: none;
}

.role-switcher .dropdown-menu {
  min-width: 220px;
  border-radius: var(--radius-base);
}

.role-switcher .dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}

.role-switcher .dropdown-item.active,
.role-switcher .dropdown-item:active {
  background: var(--primary-600);
  color: #fff;
}

.btn-sidebar-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--neutral-700);
  border-color: rgba(52, 64, 84, 0.15);
}

.btn-sidebar-toggle:hover,
.btn-sidebar-toggle:focus-visible {
  color: var(--primary-600);
  border-color: var(--primary-600);
  box-shadow: none;
}

body.sidebar-collapsed .app-sidebar {
  width: 84px;
}

body.sidebar-collapsed .app-sidebar .sync-nav {
  align-items: center;
}

body.sidebar-collapsed .app-sidebar .text-uppercase,
body.sidebar-collapsed .app-sidebar hr {
  display: none;
}

body.sidebar-collapsed .app-sidebar .nav-link {
  justify-content: center;
  gap: 0;
}

body.sidebar-collapsed .app-sidebar .nav-link i {
  margin: 0;
  font-size: 20px;
}

body.sidebar-collapsed .app-sidebar .nav-label {
  opacity: 0;
  width: 0;
  margin: 0;
  overflow: hidden;
}

body.sidebar-collapsed .app-content {
  padding-left: 24px;
  padding-right: 24px;
}

.quick-actions .btn {
  border-radius: 999px;
}

.fab {
  position: fixed;
  right: 32px;
  bottom: 32px;
  border-radius: 999px;
  padding: 16px 24px;
  box-shadow: var(--shadow-e2);
}

.table-mini td {
  padding: 12px 16px;
}

.avatar-stack {
  display: flex;
}

.avatar-stack .avatar {
  border-radius: 50%;
  width: 32px;
  height: 32px;
  border: 2px solid #fff;
  margin-left: -10px;
}

.avatar-stack .avatar:first-child {
  margin-left: 0;
}

.filter-chip {
  border-radius: 999px;
  border: 1px solid var(--neutral-200);
  padding: 6px 14px;
  background: #fff;
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

.filter-chip.active {
  border-color: var(--primary-600);
  background: rgba(44, 108, 247, 0.12);
  color: var(--primary-600);
}

.sticky-subnav {
  position: sticky;
  top: 84px;
  background: #fff;
  z-index: 1000;
  padding: 12px 0;
  box-shadow: var(--shadow-e1);
}

.table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(44, 108, 247, 0.05);
}

.icon-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(44, 108, 247, 0.12);
  color: var(--primary-600);
  font-size: 20px;
}

.skeleton {
  background: linear-gradient(90deg, rgba(236, 240, 247, 0.8) 25%, rgba(236, 240, 247, 0.9) 37%, rgba(236, 240, 247, 0.8) 63%);
  background-size: 400% 100%;
  animation: shimmer 1.4s ease infinite;
  border-radius: 12px;
}

@keyframes shimmer {
  0% {
    background-position: -400px 0;
  }
  100% {
    background-position: 400px 0;
  }
}

.bg-dark-mode {
  background: #101828;
  color: #fff;
}

.bg-dark-mode .card {
  background: #1d2939;
  color: #fff;
}

.bg-dark-mode .nav-link,
.bg-dark-mode .nav-link.active {
  color: #fff;
}

/* ----------------------------------------
   Login experience
----------------------------------------- */
.login-body {
  position: relative;
  min-height: 100vh;
  background: #0b1220;
  color: var(--neutral-900);
  font-family: "Inter", "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.login-wallpaper {
  position: fixed;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.55);
  z-index: 0;
}

.login-wallpaper::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 18, 32, 0.85) 0%, rgba(11, 18, 32, 0.55) 60%, rgba(11, 18, 32, 0.65) 100%);
}

.login-wrapper {
  position: relative;
  z-index: 1;
}

.login-card {
  background: rgba(255, 255, 255, 0.94);
  border: none;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.icon-circle-lg {
  width: 64px;
  height: 64px;
  font-size: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(44, 108, 247, 0.12);
  color: var(--primary-600);
}

.alert-soft-info {
  border: 1px solid rgba(44, 108, 247, 0.2);
  background: rgba(44, 108, 247, 0.08);
  color: var(--neutral-900);
  border-radius: var(--radius-base);
}

.role-toggle .btn {
  font-weight: 600;
  border-radius: 999px !important;
  padding: 10px 16px;
}

.role-toggle .btn i {
  font-size: 0.95rem;
}

.role-toggle .btn-check:checked + .btn,
.role-toggle .btn:hover {
  background: var(--primary-600);
  border-color: var(--primary-600);
  color: #fff;
  box-shadow: none;
}

.role-toggle .btn:focus-visible {
  box-shadow: 0 0 0 0.2rem rgba(44, 108, 247, 0.3);
}

.sync-nav span {
  display: block;
  letter-spacing: 0.08em;
}

.sync-nav hr {
  margin: 20px 0;
  border-color: var(--neutral-200);
}