/* ==========================================================================
   Plateforme de formation interne — Design system
   ========================================================================== */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Jost:wght@500;600;700&display=swap");

:root {
  --primary: #2563eb;
  --primary-600: #1d4ed8;
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --secondary: #0f172a;

  --ink: #0f172a;
  --ink-600: #334155;
  --ink-400: #64748b;
  --ink-300: #94a3b8;
  --paper: #ffffff;
  --paper-alt: #f8fafc;
  --paper-alt-2: #f1f5f9;
  --border: #e2e8f0;
  --border-soft: #eef2f6;

  --success: #16a34a;
  --success-50: #f0fdf4;
  --warning: #d97706;
  --warning-50: #fffbeb;
  --danger: #dc2626;
  --danger-50: #fef2f2;
  --neutral-50: #f1f5f9;

  --radius: 0.9rem;
  --radius-lg: 1.25rem;
  --radius-sm: 0.6rem;
  --radius-full: 999px;
  --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 8px -2px rgba(15, 23, 42, 0.06);
  --shadow-lift: 0 12px 32px -12px rgba(15, 23, 42, 0.18);
  --sidebar-w: 264px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--paper-alt);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3, h4 { font-family: "Jost", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif; letter-spacing: 0.01em; }
h1 { font-size: 1.7rem; font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.9rem; }
h3 { font-size: 1rem; font-weight: 700; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }
img { max-width: 100%; display: block; }
input, select, textarea { font-family: inherit; font-size: 0.92rem; }

.icon { width: 1.15rem; height: 1.15rem; flex-shrink: 0; }
.badge-icon { width: 0.85rem; height: 0.85rem; }

/* ---------- App shell ---------- */

.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--paper);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; bottom: 0; left: 0;
  z-index: 40;
  transition: transform 0.25s ease;
}

.sidebar-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.35rem 1.25rem 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--ink);
}

.brand-logo-img { height: 1.75rem; width: auto; }
.mobile-nav-close { display: none; background: none; border: none; color: var(--ink-400); }

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.5rem 0.9rem;
  flex: 1;
  overflow-y: auto;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-600);
  transition: background-color 0.15s ease, color 0.15s ease;
}

.nav-link:hover { background: var(--paper-alt-2); color: var(--ink); }
.nav-link.is-active { background: var(--primary-50); color: var(--primary-600); }
.nav-link--logout { width: 100%; border: none; background: none; }

.sidebar-bottom {
  padding: 0.9rem;
  border-top: 1px solid var(--border-soft);
}

.nav-switch {
  display: block;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-600);
  padding: 0.5rem;
  margin-bottom: 0.5rem;
  border-radius: var(--radius-sm);
  background: var(--primary-50);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.4rem 0.4rem 0.75rem;
}

.avatar {
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.sidebar-user__info { display: flex; flex-direction: column; min-width: 0; }
.sidebar-user__info strong { font-size: 0.85rem; }
.sidebar-user__info span { font-size: 0.75rem; color: var(--ink-400); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.logout-form { margin: 0; }

.mobile-nav-toggle {
  display: none;
  position: fixed;
  top: 1rem; left: 1rem;
  z-index: 30;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  box-shadow: var(--shadow-card);
}

.nav-scrim { display: none; }

.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 2rem 2.5rem 4rem;
  max-width: 1180px;
  width: 100%;
}

@media (max-width: 960px) {
  .mobile-nav-toggle { display: inline-flex; }
  .mobile-nav-close { display: inline-flex; }
  .sidebar { transform: translateX(-100%); box-shadow: var(--shadow-lift); }
  .sidebar.is-open { transform: translateX(0); }
  .nav-scrim.is-visible {
    display: block;
    position: fixed; inset: 0;
    background: rgba(15, 23, 42, 0.35);
    z-index: 35;
  }
  .main-content { margin-left: 0; padding: 4.5rem 1.25rem 3rem; }
}

/* ---------- Page header ---------- */

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}

.page-header__subtitle { margin-top: 0.4rem; color: var(--ink-400); font-size: 0.92rem; }
.page-header__actions { display: flex; gap: 0.6rem; flex-wrap: wrap; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 2.7rem;
  padding: 0 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.88rem;
  border: 1px solid transparent;
  transition: transform 0.12s ease, background-color 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}

.btn--primary { background: var(--primary); color: #fff; box-shadow: 0 1px 2px rgba(37, 99, 235, 0.25); }
.btn--primary:hover { background: var(--primary-600); }
.btn--secondary { background: var(--paper-alt-2); color: var(--ink); }
.btn--secondary:hover { background: var(--border); }
.btn--ghost { background: transparent; color: var(--ink-600); border-color: var(--border); }
.btn--ghost:hover { background: var(--paper-alt-2); }
.btn--danger { background: var(--danger-50); color: var(--danger); }
.btn--danger:hover { background: #fde2e2; }
.btn--lg { height: 3.1rem; padding: 0 1.6rem; font-size: 0.95rem; }
.btn--sm { height: 2.2rem; padding: 0 0.9rem; font-size: 0.82rem; }
.btn--block { width: 100%; }
.btn:active { transform: translateY(1px); }

/* ---------- Cards / stats ---------- */

.card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.stat-card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.3rem;
  box-shadow: var(--shadow-card);
}

.stat-card__label { display: block; font-size: 0.78rem; color: var(--ink-400); font-weight: 600; margin-bottom: 0.4rem; }
.stat-card__value { display: block; font-size: 1.65rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 0.5rem; }

.admin-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  align-items: start;
  margin-bottom: 1.25rem;
}

@media (max-width: 860px) {
  .admin-two-col { grid-template-columns: 1fr; }
}

/* ---------- Progress bar ---------- */

.progress {
  height: 0.5rem;
  background: var(--paper-alt-2);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress--sm { height: 0.35rem; }
.progress__fill {
  height: 100%;
  background: var(--primary);
  border-radius: var(--radius-full);
  transition: width 0.4s ease;
}

/* ---------- Status badges ---------- */

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.28rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.74rem;
  font-weight: 700;
  white-space: nowrap;
}

.status-badge--neutral { background: var(--neutral-50); color: var(--ink-400); }
.status-badge--warning { background: var(--warning-50); color: var(--warning); }
.status-badge--success { background: var(--success-50); color: var(--success); }
.status-badge--locked { background: var(--neutral-50); color: var(--ink-300); }

.demo-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  background: #fef3c7;
  color: #92400e;
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---------- Dashboard ---------- */

.dashboard-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
  background: linear-gradient(135deg, var(--primary-50), #ffffff);
  border: 1px solid var(--primary-100);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  margin-bottom: 1.75rem;
}

.dashboard-hero h1 { margin-bottom: 0.3rem; }
.dashboard-hero__subtitle { color: var(--ink-600); }
.dashboard-last-activity { margin-top: 0.6rem; font-size: 0.85rem; color: var(--ink-400); display: flex; align-items: center; gap: 0.4rem; }
.dashboard-last-activity .icon { width: 0.95rem; height: 0.95rem; }

.dashboard-modules h2 { margin-bottom: 1rem; }

/* ---------- Module / lesson lists ---------- */

.module-list { display: flex; flex-direction: column; gap: 0.75rem; }
.module-list--compact .module-row { padding: 0.9rem 1rem; }

.module-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.3rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

a.module-row:hover { border-color: var(--primary-100); box-shadow: var(--shadow-card); }

.module-row--locked { opacity: 0.6; cursor: not-allowed; }

.module-row__icon {
  width: 2.6rem; height: 2.6rem;
  border-radius: var(--radius-sm);
  background: var(--primary-50);
  color: var(--primary-600);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.module-row__body { flex: 1; min-width: 0; }
.module-row__top { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.25rem; flex-wrap: wrap; }
.module-row__body p { color: var(--ink-400); font-size: 0.85rem; margin-bottom: 0.5rem; }
.module-row__chevron { color: var(--ink-300); flex-shrink: 0; }

.lesson-list { display: flex; flex-direction: column; gap: 0.6rem; }

.lesson-row, .admin-lesson-row {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1.2rem;
}

a.lesson-row:hover { border-color: var(--primary-100); }
.lesson-row--locked { opacity: 0.6; }
.lesson-row--quiz { border-style: dashed; }

.lesson-row__num {
  width: 1.8rem; height: 1.8rem;
  border-radius: 50%;
  background: var(--paper-alt-2);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem; font-weight: 700; color: var(--ink-600);
  flex-shrink: 0;
}

.lesson-row__title { flex: 1; font-weight: 600; }
.lesson-row__hint { font-size: 0.78rem; color: var(--ink-300); }
.lesson-row__chevron { color: var(--ink-300); }

/* ---------- Lesson article ---------- */

.lesson-breadcrumb { margin-bottom: 1rem; }
.lesson-breadcrumb a { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.85rem; font-weight: 600; color: var(--ink-400); }
.lesson-breadcrumb .icon { width: 0.95rem; height: 0.95rem; }

.lesson-article {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-card);
}

.lesson-article__eyebrow { display: block; font-size: 0.78rem; font-weight: 700; color: var(--primary-600); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.5rem; }
.lesson-article h1 { margin-bottom: 0.75rem; }
.lesson-article__intro { font-size: 1.05rem; color: var(--ink-600); margin-bottom: 1.75rem; line-height: 1.6; }
.lesson-article__body { display: flex; flex-direction: column; gap: 1.1rem; }
.lesson-article__body p { color: var(--ink-600); }
.lesson-heading { margin-top: 0.5rem; }

.lesson-list ul, .lesson-list { display: flex; flex-direction: column; gap: 0.5rem; }
ul.lesson-list li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--ink-600);
}
ul.lesson-list li::before {
  content: "";
  position: absolute;
  left: 0.15rem; top: 0.6rem;
  width: 0.4rem; height: 0.4rem;
  border-radius: 50%;
  background: var(--primary);
}

.callout {
  display: flex;
  gap: 0.85rem;
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
}
.callout .icon { flex-shrink: 0; margin-top: 0.1rem; }
.callout p { margin-top: 0.2rem; }
.callout--info { background: var(--primary-50); border-color: var(--primary-100); color: #1e3a8a; }
.callout--tip { background: var(--success-50); border-color: #bbf7d0; color: #14532d; }
.callout--warning { background: var(--warning-50); border-color: #fde68a; color: #78350f; }

.example-box {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  background: var(--paper-alt);
}
.example-box__label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-400);
  margin-bottom: 0.5rem;
}

.key-points {
  background: var(--paper-alt-2);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
}
.key-points h4 { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.75rem; color: var(--ink); }
.key-points .icon { color: var(--warning); width: 1.05rem; height: 1.05rem; }
.key-points ul { display: flex; flex-direction: column; gap: 0.5rem; }
.key-points li { display: flex; align-items: flex-start; gap: 0.55rem; }
.key-points li .icon { color: var(--success); width: 1rem; height: 1rem; margin-top: 0.15rem; }

.table-wrap { overflow-x: auto; }
.lesson-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.lesson-table th, .lesson-table td { padding: 0.65rem 0.9rem; border-bottom: 1px solid var(--border-soft); text-align: left; }
.lesson-table th { background: var(--paper-alt); font-weight: 700; }

.lesson-quote { border-left: 3px solid var(--primary); padding-left: 1.2rem; font-style: italic; color: var(--ink-600); }
.lesson-quote cite { display: block; margin-top: 0.4rem; font-style: normal; font-size: 0.82rem; color: var(--ink-400); }

.lesson-figure { margin: 0; }
.lesson-figure img { border-radius: var(--radius); }
.lesson-figure figcaption { font-size: 0.8rem; color: var(--ink-400); margin-top: 0.5rem; }

.lesson-video-placeholder {
  background: var(--secondary);
  color: #fff;
  border-radius: var(--radius);
  padding: 3rem 1.5rem;
  text-align: center;
}
.lesson-video-placeholder .icon { width: 2rem; height: 2rem; margin: 0 auto 0.75rem; }

.lesson-cta { margin-top: 2rem; display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.lesson-done-note { display: flex; align-items: center; gap: 0.5rem; color: var(--success); font-weight: 700; font-size: 0.88rem; }

.lesson-footer-nav { display: flex; justify-content: space-between; margin-top: 1.25rem; }

/* ---------- Welcome / onboarding ---------- */

.welcome-page { display: flex; align-items: center; justify-content: center; min-height: 80vh; }
.welcome-card {
  max-width: 34rem;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lift);
}
.welcome-card h1 { margin-bottom: 0.75rem; }
.welcome-lede { color: var(--ink-600); margin-bottom: 1.5rem; line-height: 1.6; }
.welcome-steps { display: flex; flex-direction: column; gap: 0.9rem; margin-bottom: 1.5rem; }
.welcome-step { display: flex; align-items: center; gap: 0.9rem; }
.welcome-step__n {
  width: 1.9rem; height: 1.9rem;
  border-radius: 50%;
  background: var(--primary-50);
  color: var(--primary-600);
  font-weight: 800;
  font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.welcome-duration { display: flex; align-items: center; gap: 0.5rem; color: var(--ink-400); font-size: 0.88rem; margin-bottom: 1.5rem; }

/* ---------- Auth ---------- */

.auth-body { background: var(--paper-alt); min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1.5rem; }
.auth-page { width: 100%; max-width: 26rem; }
.auth-card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-lift);
}
.auth-brand { text-align: center; margin-bottom: 1.5rem; }
.auth-brand h1 { font-size: 1.3rem; margin-top: 0.5rem; }
.auth-brand p { color: var(--ink-400); font-size: 0.88rem; margin-top: 0.25rem; }
.auth-logo-img { height: 2.5rem; margin: 0 auto; }

.auth-form { display: flex; flex-direction: column; gap: 1rem; }
.auth-form label { display: flex; flex-direction: column; gap: 0.4rem; font-size: 0.85rem; font-weight: 600; color: var(--ink-600); }
.auth-form input, .auth-form select, .auth-form textarea {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.85rem;
  color: var(--ink);
  background: var(--paper);
}
.auth-form input:focus, .auth-form select:focus, .auth-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-50);
}

.auth-demo-hint {
  margin-top: 1.5rem;
  padding: 0.9rem 1rem;
  background: var(--paper-alt);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
}
.auth-demo-hint strong { display: block; margin-bottom: 0.35rem; }
.auth-demo-hint p { margin: 0.15rem 0; color: var(--ink-600); }
.auth-demo-hint code { background: var(--paper-alt-2); padding: 0.1rem 0.35rem; border-radius: 0.3rem; }

/* ---------- Alerts / empty states ---------- */

.alert {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  margin-bottom: 1rem;
}
.alert .icon { flex-shrink: 0; margin-top: 0.1rem; width: 1.05rem; height: 1.05rem; }
.alert--error { background: var(--danger-50); color: #991b1b; }
.alert--success { background: var(--success-50); color: #14532d; }
.alert--info { background: var(--primary-50); color: #1e3a8a; }
.alert--warning { background: var(--warning-50); color: #78350f; }

.empty-state { text-align: center; padding: 3.5rem 1.5rem; }
.empty-state__icon {
  width: 3rem; height: 3rem;
  border-radius: 50%;
  background: var(--paper-alt-2);
  color: var(--ink-300);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
}
.empty-state h3 { margin-bottom: 0.4rem; }
.empty-state p { color: var(--ink-400); font-size: 0.9rem; margin-bottom: 1rem; }

/* ---------- Quiz ---------- */

.quiz-page { max-width: 42rem; margin: 0 auto; }
.quiz-header { text-align: center; margin-bottom: 1.75rem; }
.quiz-header__eyebrow { display: block; font-size: 0.78rem; font-weight: 700; color: var(--primary-600); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.4rem; }
.quiz-header h1 { margin-bottom: 0.4rem; }
.quiz-header p { color: var(--ink-400); font-size: 0.88rem; }

.quiz-form { display: flex; flex-direction: column; gap: 1.25rem; }
.quiz-question {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 0;
}
.quiz-question legend { display: flex; justify-content: space-between; width: 100%; margin-bottom: 0.75rem; }
.quiz-question__num { font-weight: 700; font-size: 0.85rem; }
.quiz-question__type { font-size: 0.75rem; color: var(--ink-400); background: var(--paper-alt-2); padding: 0.2rem 0.55rem; border-radius: var(--radius-full); }
.quiz-question__text { font-size: 1rem; font-weight: 600; margin-bottom: 1rem; }

.quiz-options { display: flex; flex-direction: column; gap: 0.6rem; }
.quiz-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.quiz-option:hover { border-color: var(--primary-100); background: var(--primary-50); }
.quiz-option input { flex-shrink: 0; }

.quiz-result { text-align: center; padding: 2rem 1rem; border-radius: var(--radius-lg); margin-bottom: 0.5rem; }
.quiz-result .icon { width: 2.5rem; height: 2.5rem; margin: 0 auto 0.75rem; }
.quiz-result--pass { background: var(--success-50); color: #14532d; }
.quiz-result--fail { background: var(--danger-50); color: #991b1b; }
.quiz-result h2 { margin-bottom: 0.35rem; font-size: 1.4rem; }
.quiz-result__detail { text-align: center; color: var(--ink-400); font-size: 0.9rem; margin-bottom: 1.5rem; }

.quiz-review { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem; }
.quiz-review-question {
  background: var(--paper);
  border: 1px solid var(--border);
  border-left: 3px solid var(--ink-300);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
}
.quiz-review-question.is-correct { border-left-color: var(--success); }
.quiz-review-question.is-wrong { border-left-color: var(--danger); }
.quiz-review-question__head { display: flex; align-items: flex-start; gap: 0.6rem; margin-bottom: 0.85rem; }
.quiz-review-question__head .icon { flex-shrink: 0; margin-top: 0.1rem; }
.quiz-review-question.is-correct .quiz-review-question__head .icon { color: var(--success); }
.quiz-review-question.is-wrong .quiz-review-question__head .icon { color: var(--danger); }
.quiz-review-question__head p { font-weight: 600; }

.quiz-review-options { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 0.75rem; }
.quiz-review-option { display: flex; align-items: center; gap: 0.5rem; padding: 0.5rem 0.75rem; border-radius: var(--radius-sm); font-size: 0.88rem; color: var(--ink-400); }
.quiz-review-option .icon { width: 0.95rem; height: 0.95rem; flex-shrink: 0; }
.quiz-review-option--correct { background: var(--success-50); color: #14532d; }
.quiz-review-option--correct .icon { color: var(--success); }
.quiz-review-option--wrong { background: var(--danger-50); color: #991b1b; }
.quiz-review-option--wrong .icon { color: var(--danger); }

.quiz-explanation { display: flex; gap: 0.5rem; background: var(--paper-alt); border-radius: var(--radius-sm); padding: 0.75rem 0.9rem; font-size: 0.85rem; color: var(--ink-600); }
.quiz-explanation .icon { flex-shrink: 0; margin-top: 0.1rem; color: var(--ink-400); }

.quiz-result-actions { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }

/* ---------- Resources / FAQ / Glossary ---------- */

.resource-section { margin-bottom: 1.75rem; }
.resource-section h2 { margin-bottom: 0.9rem; }
.resource-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 0.9rem; }
.resource-card {
  display: flex;
  gap: 0.9rem;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
  transition: border-color 0.15s ease;
}
.resource-card:hover { border-color: var(--primary-100); }
.resource-card__icon {
  width: 2.4rem; height: 2.4rem;
  border-radius: var(--radius-sm);
  background: var(--primary-50);
  color: var(--primary-600);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.resource-card__kind { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-400); }
.resource-card__body h3 { margin: 0.2rem 0 0.3rem; }
.resource-card__body p { font-size: 0.85rem; color: var(--ink-400); }

.faq-section { margin-bottom: 1.5rem; }
.faq-section h2 { margin-bottom: 0.75rem; }
.faq-item {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.1rem;
  margin-bottom: 0.6rem;
}
.faq-item summary { display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 600; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .icon { transition: transform 0.2s ease; color: var(--ink-400); width: 1rem; height: 1rem; }
.faq-item[open] summary .icon { transform: rotate(180deg); }
.faq-item__answer { margin-top: 0.75rem; color: var(--ink-600); font-size: 0.9rem; line-height: 1.6; }

.glossary-search { margin-bottom: 1.25rem; }
.glossary-search input {
  width: 100%; max-width: 24rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.glossary-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 0.9rem; }
.glossary-item { background: var(--paper); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem; }
.glossary-item__category { font-size: 0.72rem; font-weight: 700; color: var(--primary-600); text-transform: uppercase; letter-spacing: 0.04em; }
.glossary-item h3 { margin: 0.3rem 0 0.4rem; }
.glossary-item p { font-size: 0.85rem; color: var(--ink-600); }
.glossary-item.is-hidden { display: none; }

/* ---------- Profile ---------- */

.profile-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
@media (max-width: 860px) { .profile-grid { grid-template-columns: 1fr; } }
.profile-info { display: grid; grid-template-columns: auto 1fr; gap: 0.5rem 1rem; font-size: 0.9rem; }
.profile-info dt { color: var(--ink-400); }
.profile-info dd { margin: 0; font-weight: 600; }

/* ---------- Admin forms / tables ---------- */

.admin-form { display: flex; flex-direction: column; gap: 1rem; }
.admin-form label { display: flex; flex-direction: column; gap: 0.4rem; font-size: 0.85rem; font-weight: 600; color: var(--ink-600); }
.admin-form input, .admin-form select, .admin-form textarea {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  color: var(--ink);
  font-weight: 400;
}
.admin-form input:focus, .admin-form select:focus, .admin-form textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-50); }
.admin-form input[type="color"] { padding: 0.25rem; height: 2.6rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.checkbox-label { flex-direction: row !important; align-items: center; gap: 0.6rem !important; }
.checkbox-label input { width: auto; }
.field-hint { font-size: 0.78rem; color: var(--ink-400); margin: 0; }

.content-editor { font-family: "SFMono-Regular", Consolas, monospace; font-size: 0.85rem; line-height: 1.6; }
.content-help { margin-top: 0.5rem; font-size: 0.82rem; color: var(--ink-400); }
.content-help pre { background: var(--paper-alt); padding: 0.9rem; border-radius: var(--radius-sm); overflow-x: auto; white-space: pre-wrap; }

.admin-danger-zone { margin-top: 1.5rem; padding-top: 1.25rem; border-top: 1px solid var(--border-soft); display: flex; gap: 0.6rem; flex-wrap: wrap; }

.data-table { width: 100%; border-collapse: collapse; font-size: 0.87rem; }
.data-table th, .data-table td { padding: 0.75rem 0.9rem; border-bottom: 1px solid var(--border-soft); text-align: left; white-space: nowrap; }
.data-table th { color: var(--ink-400); font-weight: 700; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; }
.data-table tbody tr:hover { background: var(--paper-alt); }

.admin-module-list, .admin-lesson-list, .admin-question-list, .admin-list { display: flex; flex-direction: column; gap: 0.6rem; margin-bottom: 1rem; }
.admin-module-row, .admin-lesson-row {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
}
.admin-module-row__order { display: flex; flex-direction: column; gap: 0.15rem; }
.admin-module-row__order button {
  border: 1px solid var(--border);
  background: var(--paper);
  border-radius: 0.35rem;
  width: 1.6rem; height: 1.35rem;
  font-size: 0.7rem;
  color: var(--ink-400);
}
.admin-module-row__order button:disabled { opacity: 0.3; cursor: not-allowed; }
.admin-module-row__icon {
  width: 2.3rem; height: 2.3rem;
  border-radius: var(--radius-sm);
  background: var(--primary-50);
  color: var(--primary-600);
  display: flex; align-items: center; justify-content: center;
}
.admin-module-row__body { flex: 1; }
.admin-module-row__body p { font-size: 0.8rem; color: var(--ink-400); margin-top: 0.2rem; display: flex; align-items: center; gap: 0.5rem; }

.admin-question-row { display: flex; align-items: center; gap: 0.85rem; background: var(--paper); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0.75rem 1rem; }
.admin-question-row__num { width: 1.6rem; height: 1.6rem; border-radius: 50%; background: var(--paper-alt-2); display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: 700; flex-shrink: 0; }
.admin-question-row__body { flex: 1; }
.admin-question-row__body a { font-weight: 600; }
.admin-question-row__type { display: block; font-size: 0.78rem; color: var(--ink-400); margin-top: 0.15rem; }

.admin-list-row { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; padding: 0.65rem 0; border-bottom: 1px solid var(--border-soft); }
.admin-list-row:last-child { border-bottom: none; }
.admin-list-row__actions { display: flex; gap: 0.4rem; flex-shrink: 0; }

.option-slots { display: flex; flex-direction: column; gap: 0.5rem; }
.option-slot { display: flex; align-items: center; gap: 0.6rem; }
.option-slot input[type="text"] { flex: 1; }
.option-slot input[type="checkbox"] { width: 1.1rem; height: 1.1rem; flex-shrink: 0; }

.inline-form { display: flex; gap: 0.5rem; margin-top: 0.75rem; }
.inline-form input { flex: 1; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0.55rem 0.8rem; }

.admin-generated-password {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 1.3rem;
  font-weight: 700;
  background: var(--paper-alt);
  padding: 1rem;
  border-radius: var(--radius-sm);
  text-align: center;
  margin: 1rem 0;
}

@media (max-width: 640px) {
  .data-table { display: block; overflow-x: auto; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-hero { flex-direction: column; align-items: stretch; }
  .lesson-article { padding: 1.5rem; }
}

.confetti-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
}

.quiz-result--final-success {
  background: linear-gradient(135deg, var(--success-50), var(--primary-50));
}
.quiz-result--final-success h2 { font-size: 1.7rem; }
.quiz-result--final-success .quiz-result__subtitle { margin-top: 0.35rem; color: var(--ink-400); }