/* ═══════════════════════════════════════════════════════
   AREA Quiz Defense — layout.css
   Sidebar, page header, structure principale
═══════════════════════════════════════════════════════ */

/* ── App shell ── */
#app {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-x: hidden;
}

/* ── Pages ── */
.page {
  display: none;
  flex: 1;
  padding: 1.8rem 2.2rem;
  overflow-y: auto;
}

.page.active {
  display: block;
  animation: fadeUp 0.32s ease;
}

/* ── Page header ── */
.page-header {
  padding: 1.4rem 2.2rem;
  border-bottom: 2px solid var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface);
  flex-shrink: 0;
}

.page-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-title span { color: var(--accent); font-style: italic; }

.header-meta {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ════════════════════════════════════════════════════
   SIDEBAR
════════════════════════════════════════════════════ */
nav#sidebar {
  width: var(--nav-w);
  min-height: 100vh;
  background: var(--ink);
  color: var(--paper);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

/* Marque */
.nav-brand {
  padding: 1.6rem 1.4rem 1.3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-brand .logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.nav-brand .logo span { color: var(--gold); font-style: italic; }

.nav-brand .tagline {
  font-size: 0.62rem;
  color: rgba(255,255,255,0.32);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-top: 0.3rem;
}

/* Profil mini */
.nav-profile {
  padding: 0.9rem 1.4rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: 0.7rem;
  cursor: pointer;
  transition: background 0.15s;
}

.nav-profile:hover { background: rgba(255,255,255,0.04); }

.nav-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  overflow: hidden;
  border: 2px solid rgba(255,255,255,0.15);
}

.nav-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.nav-profile-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Liens nav */
.nav-links {
  flex: 1;
  padding: 0.6rem 0;
  list-style: none;
}

.nav-section-label {
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.22);
  padding: 0.75rem 1.4rem 0.25rem;
  font-weight: 600;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.72rem 1.4rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: all 0.15s;
  border-left: 3px solid transparent;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  user-select: none;
}

.nav-link .nav-icon { font-size: 0.9rem; flex-shrink: 0; }

.nav-link:hover {
  color: rgba(255,255,255,0.88);
  background: rgba(255,255,255,0.04);
}

.nav-link.active {
  color: var(--paper);
  border-left-color: var(--blue);
  background: rgba(42,167,201,0.1);
}

/* Lien "Ajouter une question" — surligné vert */
.nav-link.hl-green { color: #4caf50 !important; }
.nav-link.hl-green .nav-link-label {
  background: rgba(76,175,80,0.18);
  padding: 0.08rem 0.4rem;
  outline: 1.5px solid rgba(76,175,80,0.4);
  font-weight: 700;
}
.nav-link.hl-green.active {
  background: rgba(76,175,80,0.12);
  border-left-color: #4caf50;
}

/* Lien "Signaler" — orange/rouge */
.nav-link.hl-warn { color: #e07b2a !important; }
.nav-link.hl-warn:hover { background: rgba(224,123,42,0.08); }
.nav-link.hl-warn.active { border-left-color: #e07b2a; background: rgba(224,123,42,0.1); }

/* Lien "Back Office" — bleu admin */
.nav-link.admin-link { color: rgba(100,160,220,0.7) !important; }
.nav-link.admin-link:hover { color: rgba(100,160,220,1) !important; background: rgba(26,58,92,0.4); }
.nav-link.admin-link.active { border-left-color: #4a90d9; background: rgba(26,58,92,0.5); }

.nav-badge {
  margin-left: auto;
  background: var(--accent);
  color: white;
  font-size: 0.54rem;
  padding: 0.1rem 0.38rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* Footer sidebar */
.nav-footer {
  padding: 0.9rem 1.4rem;
  border-top: 1px solid rgba(255,255,255,0.07);
  font-size: 0.6rem;
  color: rgba(255,255,255,0.18);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Responsive sidebar collapse */
@media (max-width: 700px) {
  nav#sidebar { width: 56px; }
  .nav-brand .logo,
  .nav-brand .tagline,
  .nav-profile-name,
  .nav-link-label,
  .nav-badge,
  .nav-footer,
  .nav-section-label { display: none; }
  .nav-link { justify-content: center; padding: 1rem 0.5rem; }
  .nav-profile { justify-content: center; padding: 0.9rem 0; }
  .page { padding: 1.2rem; }
  .page-header { padding: 1rem 1.2rem; }
}