:root {
  --ui-bg: #f4f1ea;
  --ui-ink: #1e1f24;
  --ui-muted: #6c6f7a;
  --ui-card: #ffffff;
  --ui-line: #e7e0d4;
  --ui-accent: #2f6fed;
  --ui-accent-2: #f2b24c;
  --ui-accent-3: #1f9d87;
  --ui-shadow: 0 18px 40px rgba(26, 24, 20, 0.12);
  --ui-radius: 18px;
}

body {
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--ui-ink);
}

h1, h2, h3, h4, h5, .ui-title {
  font-family: "Sora", "Segoe UI", sans-serif;
  letter-spacing: -0.02em;
}

.main-wrapper {
  background: var(--ui-bg);
}

.navbar-bg {
  background: linear-gradient(100deg, #2f6fed 0%, #5aa7ff 55%, #7c74f7 100%);
}

.main-navbar {
  background: transparent;
}

.main-sidebar {
  background: #ffffff;
  border-right: 1px solid var(--ui-line);
}

.main-sidebar .sidebar-brand a {
  font-weight: 700;
}

.main-sidebar .sidebar-menu li.active a {
  color: #1c2a3a;
  background: rgba(47, 111, 237, 0.12);
  border-radius: 12px;
}

.main-sidebar .sidebar-menu li a {
  border-radius: 12px;
  margin: 2px 10px;
}

.main-sidebar .sidebar-brand {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-start !important;
  gap: 10px;
  padding: 18px 20px;
  height: auto !important;
  line-height: normal !important;
  overflow: visible;
  white-space: nowrap;
  text-align: left !important;
}

.main-sidebar .sidebar-brand a {
  line-height: 1.2;
  display: inline-block;
  white-space: nowrap;
  font-size: 15px;
  text-transform: none;
  letter-spacing: 0.2px;
}

.main-sidebar .sidebar-brand img {
  display: block;
}

.main-sidebar .sidebar-brand .ui-brand-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
}

.navbar .ui-chip {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.container .ui-dash-hero {
  margin-bottom: 24px;
}

.ui-auth {
  min-height: 70vh;
}

.ui-auth-shell {
  display: grid;
  grid-template-columns: minmax(280px, 1.1fr) minmax(280px, 0.9fr);
  gap: 24px;
  align-items: stretch;
}

.ui-auth-hero {
  position: relative;
  padding: 36px;
  border-radius: var(--ui-radius);
  background: linear-gradient(135deg, #f5f0e6 0%, #f2e9da 60%, #fff8ee 100%);
  box-shadow: var(--ui-shadow);
  overflow: hidden;
}

.ui-auth-hero::after {
  content: "";
  position: absolute;
  inset: auto -120px -160px auto;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(47, 111, 237, 0.25), transparent 70%);
}

.ui-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(47, 111, 237, 0.1);
  color: #2f6fed;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.ui-brand-strip {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(47, 111, 237, 0.12);
  background: linear-gradient(135deg, rgba(47, 111, 237, 0.08), rgba(255, 255, 255, 0.95));
}

.ui-brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: #ffffff;
  border: 1px solid rgba(47, 111, 237, 0.16);
  color: #fff;
  box-shadow: 0 10px 20px rgba(47, 111, 237, 0.2);
  flex: 0 0 auto;
  overflow: hidden;
}

.ui-brand-mark i {
  font-size: 20px;
}

.ui-brand-mark img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

.ui-brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ui-brand-copy strong {
  font-size: 16px;
  letter-spacing: -0.01em;
}

.ui-brand-copy span {
  color: var(--ui-muted);
  font-size: 13px;
}

.ui-page-head h2 {
  font-size: 38px;
  line-height: 1.08;
  margin-bottom: 10px;
}

.ui-page-head p {
  max-width: 62ch;
}

.ui-auth-hero h1 {
  margin-top: 18px;
  font-size: 34px;
}

.ui-muted {
  color: var(--ui-muted);
}

.ui-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.ui-hero-stats-compact {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  margin-top: 0;
}

.ui-stat {
  padding: 12px 14px;
  background: #ffffff;
  border-radius: 14px;
  border: 1px solid var(--ui-line);
  text-align: left;
}

.ui-stat span {
  display: block;
  font-size: 20px;
  font-weight: 700;
}

.ui-stat .ui-stat-text {
  font-size: 16px;
  font-weight: 600;
}

.ui-auth-card {
  border-radius: var(--ui-radius);
  box-shadow: var(--ui-shadow);
  border: 1px solid var(--ui-line);
}

.ui-card-title {
  font-size: 22px;
  margin-bottom: 6px;
}

.ui-form input.form-control {
  border-radius: 12px;
  padding: 12px 14px;
  border: 1px solid #d7d2c6;
}

.ui-form .btn-primary {
  background: linear-gradient(120deg, #2f6fed 0%, #5aa7ff 100%);
  border: none;
  border-radius: 12px;
  padding: 10px 18px;
  font-weight: 600;
}

.ui-dash-hero {
  position: relative;
  padding: 32px;
  border-radius: var(--ui-radius);
  background: #ffffff;
  box-shadow: var(--ui-shadow);
  border: 1px solid var(--ui-line);
  overflow: hidden;
}

.ui-dash-hero.ui-dash-split {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: 24px;
  align-items: center;
  background: linear-gradient(135deg, #ffffff 0%, #fbf6ed 100%);
}

.ui-dash-main {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ui-dash-illustration {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.ui-dash-illustration img {
  width: 100%;
  max-width: 320px;
  height: auto;
}

.ui-illustration-note {
  color: var(--ui-muted);
  font-size: 13px;
}

.ui-dash-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.ui-dash-grid-secondary {
  margin-top: 12px;
}

.ui-role-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 10px;
}

.ui-role-note {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(47, 111, 237, 0.08);
  border: 1px solid rgba(47, 111, 237, 0.16);
  color: #2f6fed;
  font-weight: 600;
}

.ui-landing-lead {
  max-width: 62ch;
  color: var(--ui-muted);
  font-size: 16px;
  line-height: 1.7;
  margin-top: 4px;
}

.ui-landing-points {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.ui-landing-point {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--ui-line);
  color: var(--ui-ink);
  font-weight: 600;
}

.ui-landing-point i {
  color: #2f6fed;
}

.ui-landing-action-wrap {
  margin-top: 6px;
}

.ui-landing-action {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px;
  border-radius: 18px;
  border: 1px solid rgba(47, 111, 237, 0.18);
  background: linear-gradient(135deg, rgba(47, 111, 237, 0.10), rgba(255, 255, 255, 0.98));
  color: inherit;
  text-decoration: none;
  box-shadow: 0 12px 24px rgba(47, 111, 237, 0.10);
}

.ui-landing-action .ui-tile-icon {
  flex: 0 0 auto;
}

.ui-landing-action:hover {
  box-shadow: 0 16px 28px rgba(47, 111, 237, 0.14);
  transform: translateY(-1px);
}

.ui-landing-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  color: var(--ui-muted);
  font-size: 13px;
}

.ui-landing-links span:first-child {
  color: #3f4550;
  font-weight: 600;
}

.ui-landing-links a {
  color: #1f4fb5;
  font-weight: 600;
  text-decoration: none;
}

.ui-landing-links a:hover {
  text-decoration: underline;
}

.ui-tile {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--ui-line);
  background: #ffffff;
  color: inherit;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ui-tile:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 20px rgba(30, 31, 36, 0.12);
}

.ui-tile-strong {
  border-width: 2px;
  background: linear-gradient(180deg, #ffffff 0%, #fafcff 100%);
}

.ui-tile-admin {
  border-color: rgba(47, 111, 237, 0.26);
  box-shadow: 0 12px 24px rgba(47, 111, 237, 0.08);
}

.ui-tile-proctor {
  border-color: rgba(31, 157, 135, 0.26);
  box-shadow: 0 12px 24px rgba(31, 157, 135, 0.08);
}

.ui-tile-secondary {
  opacity: 0.96;
}

.ui-tile .ui-tile-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(47, 111, 237, 0.1);
  color: #2f6fed;
  font-size: 18px;
}

.ui-tile-admin .ui-tile-icon {
  background: rgba(47, 111, 237, 0.12);
  color: #2f6fed;
}

.ui-tile-proctor .ui-tile-icon {
  background: rgba(31, 157, 135, 0.12);
  color: #1f9d87;
}

.ui-page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.ui-chip {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(31, 157, 135, 0.12);
  color: #1f9d87;
  font-weight: 600;
  font-size: 12px;
}

.ui-chip-info {
  background: rgba(47, 111, 237, 0.12);
  color: #2f6fed;
}

.ui-chip-muted {
  background: rgba(108, 111, 122, 0.16);
  color: #4b4f5a;
}

.ui-chip-warn {
  background: rgba(242, 178, 76, 0.18);
  color: #b07218;
}

.ui-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--ui-line);
  background: #ffffff;
}

.ui-filter-label {
  font-weight: 600;
  color: var(--ui-muted);
  font-size: 13px;
}

.ui-filter-link {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--ui-ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 12px;
  background: #f7f3ea;
}

.ui-filter-link.active,
.ui-filter-link:hover {
  border-color: rgba(47, 111, 237, 0.3);
  color: #2f6fed;
  background: rgba(47, 111, 237, 0.1);
}

.ui-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.ui-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: 14px;
  border: none;
  font-weight: 600;
  color: #ffffff;
  cursor: pointer;
}

.ui-action-primary { background: #2f6fed; }
.ui-action-info { background: #1f9d87; }
.ui-action-danger { background: #d64545; }

.ui-empty-card {
  padding: 18px;
  border-radius: 16px;
  border: 1px dashed #d7d2c6;
  background: #fdfbf6;
  color: var(--ui-muted);
}

.ui-panel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.ui-panel {
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--ui-line);
  background: #ffffff;
  box-shadow: 0 12px 24px rgba(26, 24, 20, 0.08);
}

.ui-panel-soft {
  background: #fdfbf6;
}

.ui-panel-head {
  font-weight: 700;
  margin-bottom: 10px;
}

.ui-panel-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.ui-session-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.ui-session-card {
  border-radius: 16px;
  border: 1px solid var(--ui-line);
  box-shadow: 0 10px 24px rgba(26, 24, 20, 0.08);
}

.ui-session-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.ui-session-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.ui-session-meta small {
  display: block;
  color: var(--ui-muted);
}

.ui-session-detail {
  max-height: 260px;
  overflow: auto;
  padding-right: 6px;
}

.ui-session-filter {
  margin-bottom: 14px;
}

.ui-help-text {
  display: block;
  margin-top: 6px;
  color: var(--ui-muted);
  font-size: 12px;
}

.ui-exam-wait {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px;
  border-radius: 16px;
  border: 1px solid var(--ui-line);
  background: linear-gradient(160deg, #ffffff 0%, #f6f0e6 100%);
  text-align: center;
}

.ui-exam-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(242, 178, 76, 0.2);
  color: #b07218;
}

.ui-exam-title {
  margin: 0;
  font-weight: 700;
}

.ui-exam-time {
  display: inline-flex;
  gap: 12px;
  padding: 10px 16px;
  border-radius: 12px;
  background: #ffffff;
  border: 1px solid var(--ui-line);
  font-weight: 700;
}

.ui-exam-meta {
  color: var(--ui-muted);
}

.ui-countdown {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: 10px;
  width: 100%;
  max-width: 360px;
}

.ui-countdown-item {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--ui-line);
  background: #ffffff;
}

.ui-countdown-item span {
  display: block;
  font-size: 18px;
  font-weight: 700;
}

.ui-countdown-item small {
  color: var(--ui-muted);
}

.ui-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 16px;
  border-radius: 12px;
  background: #1f9d87;
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(26, 24, 20, 0.2);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 9999;
}

.ui-toast.show {
  opacity: 1;
  transform: translateY(0);
}

.ui-exam-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.ui-input-pulse {
  animation: uiPulse 1.2s ease-in-out 2;
  border-color: rgba(47, 111, 237, 0.45) !important;
  box-shadow: 0 0 0 4px rgba(47, 111, 237, 0.12) !important;
}

@keyframes uiPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.01); }
  100% { transform: scale(1); }
}

@media (max-width: 991px) {
  .ui-auth-shell {
    grid-template-columns: 1fr;
  }
  .ui-page-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .ui-dash-hero.ui-dash-split {
    grid-template-columns: 1fr;
  }
}