/* ============================================================
   Brand fonts
   ============================================================ */
@font-face {
  font-family: "Garet";
  src: url("/fonts/garet/Garet-Book.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ============================================================
   TrojanQuiz — design tokens
   ============================================================ */
:root {
  --color-primary: #4f46e5;
  --color-primary-dark: #4338ca;
  --color-primary-light: #eef2ff;
  --color-success: #16a34a;
  --color-success-light: #dcfce7;
  --color-danger: #dc2626;
  --color-danger-light: #fee2e2;
  --color-warning: #d97706;
  --color-warning-light: #fef3c7;

  --color-text: #1e293b;
  --color-muted: #64748b;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;

  --sidebar-bg: #111827;
  --sidebar-text: #cbd5e1;
  --sidebar-text-muted: #6b7280;
  --sidebar-active: #4f46e5;

  --brand-navy-dark: #070b21;
  --brand-navy: #10163a;
  --brand-navy-light: #1c2555;
  --brand-yellow: #f7c530;
  --brand-cyan: #3fc8ff;
  --brand-ink: #12122b;

  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 14px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 40px -12px rgba(15, 23, 42, 0.18);
}

/* ============================================================
   Base
   ============================================================ */
html {
  font-size: 16px;
  min-height: 100%;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  margin: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  letter-spacing: -0.01em;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  color: var(--color-primary-dark);
}

.text-muted {
  color: var(--color-muted) !important;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  border-radius: 8px;
  font-weight: 500;
  padding: 0.55rem 1.1rem;
  transition: all 0.15s ease-in-out;
}

.btn-lg {
  padding: 0.75rem 1.75rem;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
}

.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn-success {
  background-color: var(--color-success);
  border-color: var(--color-success);
}

.btn-outline-primary {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline-primary:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline-secondary {
  color: var(--color-muted);
  border-color: var(--color-border);
}

.btn-outline-secondary:hover {
  background-color: var(--color-bg);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus, .form-select:focus {
  box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.18);
  border-color: var(--color-primary);
}

/* ============================================================
   Forms
   ============================================================ */
.form-control, .form-select {
  border-radius: 8px;
  border-color: var(--color-border);
  padding: 0.6rem 0.85rem;
}

.form-label {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-text);
  margin-bottom: 0.35rem;
}

.choice-group:has(input[type="radio"]:checked) .form-control {
  border-color: var(--color-success);
  background-color: var(--color-success-light);
}

.choice-group:has(input[type="radio"]:checked) .input-group-text {
  border-color: var(--color-success);
  background-color: var(--color-success-light);
}

.quiz-choice {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.quiz-choice:hover {
  border-color: var(--color-primary);
}

.quiz-choice:has(input:checked) {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.progress {
  background-color: var(--color-border);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar {
  background-color: var(--color-primary);
}

/* ============================================================
   Cards
   ============================================================ */
.card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.surface-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 2rem;
}

/* ============================================================
   Tables
   ============================================================ */
.table {
  --bs-table-bg: transparent;
}

.table thead th {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-muted);
  font-weight: 600;
  border-bottom-width: 1px;
  border-color: var(--color-border);
  background-color: var(--color-bg);
}

.table td {
  vertical-align: middle;
  border-color: var(--color-border);
}

.table th,
.table td {
  padding-left: 0.85rem;
  padding-right: 0.85rem;
}

.table th:first-child,
.table td:first-child {
  padding-left: 1.5rem;
}

.table th:last-child,
.table td:last-child {
  padding-right: 1.5rem;
}

.badge {
  font-weight: 500;
  padding: 0.4em 0.7em;
  border-radius: 6px;
}

/* ============================================================
   Alerts
   ============================================================ */
.alert {
  border-radius: var(--radius);
  border: none;
}

.alert-success {
  background-color: var(--color-success-light);
  color: #166534;
}

.alert-danger {
  background-color: var(--color-danger-light);
  color: #991b1b;
}

.alert-warning {
  background-color: var(--color-warning-light);
  color: #92400e;
}

/* ============================================================
   Public layout (quiz-taking, login) — no navbar
   ============================================================ */
.public-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.public-header {
  padding: 1.5rem 0;
  text-align: center;
}

.public-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
}

.public-brand .brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--color-primary), #818cf8);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
}

.public-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem 3rem;
}

.public-container {
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
}

.public-container-wide {
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
}

.public-footer {
  text-align: center;
  padding: 1.25rem;
  color: var(--color-muted);
  font-size: 0.85rem;
}

/* ============================================================
   Quiz shell — branded navy background (Register, Take, Result)
   ============================================================ */
.quiz-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(ellipse 90% 60% at 50% 0%, var(--brand-navy-light) 0%, var(--brand-navy) 45%, var(--brand-navy-dark) 100%);
}

.quiz-shell-header {
  display: flex;
  justify-content: center;
  padding: 1.5rem 1rem 0.5rem;
}

.quiz-logo-badge {
  display: inline-flex;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.quiz-logo-badge img {
  display: block;
  width: 64px;
  height: 64px;
}

.quiz-shell-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem 2.5rem;
}

.quiz-shell-footer {
  background: var(--brand-yellow);
  color: var(--brand-ink);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem 2.5rem;
  padding: 0.85rem 1.25rem;
  font-family: "Garet", sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
}

.quiz-shell-footer a {
  color: var(--brand-ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

@media (max-width: 575.98px) {
  .quiz-shell-header {
    padding: 1.1rem 1rem 0.25rem;
  }
}

/* ============================================================
   Admin layout — sidebar + topbar
   ============================================================ */
.admin-shell {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 250px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.admin-sidebar .sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1.35rem 1.25rem;
  font-weight: 700;
  color: #fff;
  font-size: 1.1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-sidebar .sidebar-brand .brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-primary), #818cf8);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.admin-sidebar .sidebar-nav {
  flex: 1;
  padding: 1rem 0.75rem;
  overflow-y: auto;
}

.admin-sidebar .sidebar-nav .nav-section-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--sidebar-text-muted);
  padding: 0.5rem 0.75rem;
  margin-top: 0.5rem;
}

.admin-sidebar .sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.85rem;
  border-radius: 8px;
  color: var(--sidebar-text);
  font-size: 0.92rem;
  font-weight: 500;
  margin-bottom: 0.15rem;
  transition: background-color 0.15s ease;
}

.admin-sidebar .sidebar-link:hover {
  background-color: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.admin-sidebar .sidebar-link.active {
  background-color: var(--sidebar-active);
  color: #fff;
}

.admin-sidebar .sidebar-icon {
  width: 18px;
  text-align: center;
  opacity: 0.9;
}

.admin-sidebar .sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-sidebar .sidebar-user {
  font-size: 0.85rem;
  color: #fff;
  margin-bottom: 0.6rem;
}

.admin-sidebar .sidebar-user .role-badge {
  display: inline-block;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: rgba(255, 255, 255, 0.1);
  color: var(--sidebar-text);
  padding: 0.15rem 0.5rem;
  border-radius: 5px;
  margin-top: 0.2rem;
}

.admin-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.admin-topbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-topbar h1 {
  font-size: 1.35rem;
  margin: 0;
}

.admin-body {
  padding: 2rem;
  flex: 1;
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.stat-card .stat-value {
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.1;
}

.stat-card .stat-label {
  color: var(--color-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

.stat-card .stat-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* ============================================================
   Admin sidebar — off-canvas on mobile
   ============================================================ */
.sidebar-toggle-btn {
  display: none;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  padding: 0.35rem;
  border-radius: 6px;
  color: var(--color-text);
  cursor: pointer;
}

.sidebar-toggle-btn:hover {
  background-color: var(--color-bg);
}

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  z-index: 1040;
}

.sidebar-backdrop.is-open {
  display: block;
}

@media (max-width: 767.98px) {
  .sidebar-toggle-btn {
    display: inline-flex;
  }

  .admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 260px;
    max-width: 82vw;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 1045;
    box-shadow: var(--shadow-lg);
  }

  .admin-sidebar.is-open {
    transform: translateX(0);
  }

  .admin-body {
    padding: 1.25rem;
  }

  .admin-topbar {
    padding: 0.85rem 1.25rem;
  }

  .admin-topbar h1 {
    font-size: 1.15rem;
  }
}

@media (max-width: 575.98px) {
  .surface-card {
    padding: 1.25rem;
  }

  .admin-body {
    padding: 1rem;
  }

  .admin-topbar {
    padding: 0.75rem 1rem;
  }

  .public-header {
    padding: 1.25rem 0 0.5rem;
  }

  .public-main {
    padding: 1rem 0.85rem 2rem;
  }

  .stat-card {
    padding: 1.1rem;
  }
}