/* =========================================================
   NOVA — App shell layout: sidebar, topbar, content grid
   ========================================================= */

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

/* ---------------- Sidebar ---------------- */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  background: var(--surface-1);
  border-right: 1px solid var(--border-hairline);
  display: flex;
  flex-direction: column;
  padding: var(--space-5) var(--space-4);
  gap: var(--space-6);
  z-index: 40;
}

.sidebar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-2);
}

.sidebar__brand-mark {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(155deg, var(--brand-400), var(--brand-700));
  display: grid;
  place-items: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.sidebar__brand-mark svg { width: 20px; height: 20px; color: #fff; }
.sidebar__brand-mark img { width: 72%; height: 72%; object-fit: contain; }

.sidebar__brand-name {
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.sidebar__brand-tag {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.sidebar__brand--logo {
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
}
.sidebar__brand-logo-img {
  height: 30px;
  width: auto;
}

/* Logo clair/sombre : bascule automatiquement avec data-theme sur <html>
   (voir theme.js), qu'il s'agisse du thème choisi sur le site ou hérité
   des préférences système de l'appareil. */
.logo-theme-light { display: inline-block; }
.logo-theme-dark { display: none; }
[data-theme="dark"] .logo-theme-light { display: none; }
[data-theme="dark"] .logo-theme-dark { display: inline-block; }

.sidebar__section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 var(--space-3);
  margin-bottom: var(--space-1);
}

.sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
  position: relative;
}
.nav-link svg { width: 18px; height: 18px; flex-shrink: 0; }
.nav-link:hover { background: var(--surface-3); color: var(--text-primary); }
.nav-link.is-active {
  background: linear-gradient(90deg, rgba(144,133,233,0.16), rgba(144,133,233,0.03));
  color: var(--text-primary);
}
.nav-link.is-active::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 50%;
  translate: 0 -50%;
  width: 3px;
  height: 18px;
  border-radius: var(--radius-pill);
  background: var(--brand-400);
}
.nav-link .badge-count {
  margin-left: auto;
}

.sidebar__footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* Retour au site vitrine — volontairement plus visible qu'un simple lien de
   navigation (bordure + fond teinté brand) pour bien le distinguer du menu
   principal et du bouton de déconnexion juste en dessous. */
.nav-link--vitrine {
  border: 1px solid var(--brand-400);
  background: rgba(144,133,233,0.12);
  color: var(--brand-400);
  font-weight: 700;
}
.nav-link--vitrine svg { color: var(--brand-400); }
.nav-link--vitrine:hover { background: rgba(144,133,233,0.22); color: var(--brand-400); }

.nav-link.is-danger { color: var(--status-critical); }
.nav-link.is-danger svg { color: var(--status-critical); }
.nav-link.is-danger:hover { background: var(--status-critical-bg); color: var(--status-critical); }

.sidebar__upsell {
  background: linear-gradient(160deg, var(--brand-700), #021a26);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.sidebar__upsell::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120px 80px at 90% -10%, rgba(232,182,74,0.35), transparent);
}
.sidebar__upsell p { color: rgba(255,255,255,0.75); font-size: 12.5px; margin: var(--space-1) 0 var(--space-3); position: relative; }
.sidebar__upsell h4 { position: relative; }
.sidebar__upsell .btn { position: relative; width: 100%; }

/* ---------------- Topbar ---------------- */
.topbar {
  position: sticky;
  top: 0;
  height: var(--topbar-h);
  background: color-mix(in srgb, var(--bg-page) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-inline: var(--space-7);
  z-index: 30;
}

.topbar__left { display: flex; align-items: center; gap: var(--space-4); min-width: 0; }
.topbar__title { font-size: 19px; font-weight: 600; }
.topbar__breadcrumb { font-size: 12.5px; color: var(--text-muted); }

.topbar__search {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--surface-1);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-pill);
  padding: 8px 14px;
  width: 260px;
  color: var(--text-muted);
  transition: border-color var(--dur-fast) var(--ease-out);
}
.topbar__search:focus-within { border-color: var(--brand-400); }
.topbar__search svg { width: 16px; height: 16px; flex-shrink: 0; }
.topbar__search input { flex: 1; font-size: 13.5px; color: var(--text-primary); }
.topbar__search input::placeholder { color: var(--text-muted); }
.topbar__search kbd {
  font-size: 10.5px;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--text-muted);
}

.topbar__right { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }

.icon-btn {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  background: var(--surface-1);
  border: 1px solid var(--border-hairline);
  position: relative;
  transition: background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.icon-btn svg { width: 18px; height: 18px; }
.icon-btn:hover { background: var(--surface-3); color: var(--text-primary); }
.icon-btn__dot {
  position: absolute;
  top: 5px; right: 5px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--status-critical);
  border: 2px solid var(--surface-1);
}

/* ---- Sélecteur de langue (topbar) — inspiré du sélecteur du site vitrine :
   drapeau + code sur le déclencheur, liste drapeau + nom dans le menu. Seul
   le français est disponible pour l'instant sur la plateforme ; les autres
   langues sont affichées désactivées ("Bientôt disponible"), comme sur la
   vitrine pour les langues non encore traduites. ---- */
.lang-trigger {
  display: flex; align-items: center; gap: 6px;
  height: 38px; padding: 0 10px 0 12px;
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  background: var(--surface-1);
  border: 1px solid var(--border-hairline);
  font-size: 13px; font-weight: 600;
  transition: background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.lang-trigger:hover { background: var(--surface-3); color: var(--text-primary); }
.lang-trigger__flag { font-size: 16px; line-height: 1; }
.lang-trigger__code { letter-spacing: .3px; }
.lang-trigger svg { width: 11px; height: 11px; color: var(--text-muted); flex-shrink: 0; }

.lang-menu { width: 224px; max-height: 360px; overflow-y: auto; }
.lang-menu-item {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  font-size: 13.5px; font-weight: 500;
  color: var(--text-secondary);
}
.lang-menu-item__flag { font-size: 17px; line-height: 1; flex-shrink: 0; }
.lang-menu-item__name { flex: 1; }
.lang-menu-item.is-active { background: rgba(144,133,233,0.1); color: var(--brand-400); font-weight: 700; }
.lang-menu-item.is-active .lang-menu-item__check { width: 14px; height: 14px; flex-shrink: 0; }
.lang-menu-item.is-disabled { color: var(--text-muted); cursor: not-allowed; }
.lang-menu-item.is-disabled .lang-menu-item__flag { opacity: .5; }
.lang-menu-item__soon { font-style: normal; font-size: 10.5px; color: var(--text-muted); white-space: nowrap; }

/* Drapeaux en SVG plutôt qu'en emoji : certains navigateurs/OS (Windows
   notamment) n'affichent pas les emoji-drapeaux comme une image mais comme
   deux lettres de pays côte à côte, doublant le code déjà affiché à côté
   ("DE" + "DE"). Un SVG local rend à l'identique partout. */
.flag-icon {
  display: block;
  width: 18px;
  height: 13px;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.08);
  flex-shrink: 0;
}

.menu-toggle { display: none; }

.topbar__user {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 8px 6px 6px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-hairline);
  background: var(--surface-1);
}
.topbar__user-info { display: flex; flex-direction: column; line-height: 1.2; }
.topbar__user-name { font-size: 13px; font-weight: 600; }
.topbar__user-role { font-size: 11px; color: var(--text-muted); }

.theme-toggle {
  width: 44px; height: 26px;
  border-radius: var(--radius-pill);
  background: var(--surface-3);
  border: 1px solid var(--border-hairline);
  position: relative;
  flex-shrink: 0;
}
.theme-toggle__thumb {
  position: absolute;
  top: 2px; left: 2px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--brand-400);
  display: grid; place-items: center;
  color: #fff;
  transition: transform var(--dur-base) var(--ease-out);
}
.theme-toggle__thumb svg { width: 12px; height: 12px; }
:root[data-theme="light"] .theme-toggle__thumb { transform: translateX(18px); background: var(--accent-500); }

.app-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* ---------------- Content ---------------- */
.content {
  padding: var(--space-7);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  min-width: 0;
}

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.page-head__actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.page-head p.text-muted { margin-top: 4px; }

.grid { display: grid; gap: var(--space-5); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-5);
  align-items: start;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.two-col {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: var(--space-5);
  align-items: start;
}

.mobile-overlay {
  display: none;
}

/* ---------------- Responsive ---------------- */
@media (max-width: 1180px) {
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .topbar__search { width: 200px; }
}

@media (max-width: 960px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    left: 0; top: 0;
    width: min(84vw, 300px);
    transform: translateX(-100%);
    transition: transform var(--dur-slow) var(--ease-out);
    box-shadow: var(--shadow-lg);
  }
  .sidebar.is-open { transform: translateX(0); }
  .menu-toggle { display: grid; }
  .topbar__search { display: none; }
  .mobile-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 39;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur-base) var(--ease-out);
  }
  .mobile-overlay.is-open { opacity: 1; pointer-events: auto; }
  .content { padding: var(--space-5); }
}

@media (max-width: 720px) {
  .stat-row, .grid-cols-2, .grid-cols-3, .grid-cols-4 { grid-template-columns: 1fr; }
  .topbar { padding-inline: var(--space-4); }
  .topbar__user-info { display: none; }
}
