/* ============================================================
   Better Searcher — base.css
   Reset, theme tokens (light + dark), keyframes, shared atoms.
   Theme is driven by [data-theme] on <html> (see includes/head.php).
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

/* ---------- Theme tokens : light (default) ---------- */
:root {
  --bg:       oklch(0.985 0.003 255);
  --bg2:      oklch(0.962 0.004 255);
  --board:    oklch(0.978 0.004 255);
  --surface:  oklch(1 0 0);
  --surface2: oklch(0.975 0.004 255);
  --text:     oklch(0.215 0.02 258);
  --muted:    oklch(0.50 0.018 258);
  --faint:    oklch(0.64 0.013 258);
  --border:   oklch(0.905 0.006 258);
  --border2:  oklch(0.83 0.01 258);
  --accent:   oklch(0.535 0.17 254);
  --accent2:  oklch(0.485 0.18 254);
  --grid:     oklch(0.932 0.005 258);
  --chip:     oklch(0.968 0.004 255);
  --ok:       oklch(0.58 0.13 155);
  --warn:     oklch(0.64 0.15 66);
  --hi:       oklch(0.57 0.21 22);

  --font-sans: 'Geist', system-ui, -apple-system, sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, 'SFMono-Regular', monospace;

  /* Technical radius scale (calé sur la landing) + ombres */
  --r-xs: 2px;
  --r-sm: 3px;
  --r:    4px;
  --r-md: 6px;
  --r-lg: 8px;
  --shadow:    0 4px 14px -8px rgba(0, 0, 0, .35);
  --shadow-lg: 0 24px 60px -40px rgba(0, 0, 0, .5);
}

/* ---------- Theme tokens : dark ---------- */
html[data-theme="dark"] {
  --bg:       oklch(0.158 0.013 262);
  --bg2:      oklch(0.185 0.014 262);
  --board:    oklch(0.175 0.013 262);
  --surface:  oklch(0.21 0.015 262);
  --surface2: oklch(0.244 0.016 262);
  --text:     oklch(0.965 0.006 250);
  --muted:    oklch(0.70 0.016 255);
  --faint:    oklch(0.51 0.016 262);
  --border:   oklch(0.30 0.017 262);
  --border2:  oklch(0.40 0.021 262);
  --accent:   oklch(0.745 0.15 252);
  --accent2:  oklch(0.80 0.155 252);
  --grid:     oklch(0.22 0.014 262);
  --chip:     oklch(0.22 0.014 262);
  --ok:       oklch(0.72 0.14 155);
  --warn:     oklch(0.78 0.14 70);
  --hi:       oklch(0.68 0.19 18);
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection { background: color-mix(in oklch, var(--accent) 30%, transparent); }

/* Scrollbars */
* { scrollbar-color: var(--border2) transparent; }
*::-webkit-scrollbar { width: 9px; height: 9px; }
*::-webkit-scrollbar-thumb {
  background: var(--border2);
  border-radius: 6px;
  border: 2px solid transparent;
  background-clip: content-box;
}
*::-webkit-scrollbar-track { background: transparent; }

a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- Per-page body modes ---------- */
body.page-landing { min-height: 100vh; overflow-x: hidden; }
body.page-canvas  { height: 100vh; overflow: hidden; }

/* ---------- Keyframes ---------- */
@keyframes bs-rise   { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }
@keyframes bs-blink  { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }
@keyframes bs-scan   { 0% { transform: translateY(-10%); opacity: 0; } 12% { opacity: .9; } 88% { opacity: .9; } 100% { transform: translateY(1100%); opacity: 0; } }
@keyframes bs-marquee{ from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes bs-float  { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
@keyframes bs-pop    { from { opacity: 0; transform: translate(-50%, -50%) scale(.82); } to { opacity: 1; transform: translate(-50%, -50%) scale(1); } }
@keyframes bs-dash   { to { stroke-dashoffset: -14; } }
@keyframes bs-page-in{ from { opacity: 0; } to { opacity: 1; } }
@keyframes bs-spin   { to { transform: rotate(360deg); } }

/* ---------- Shared atoms ---------- */
.mono { font-family: var(--font-mono); }

/* Theme toggle button (header on both pages) */
.bs-theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  padding: 8px 11px;
  border-radius: 2px;
  cursor: pointer;
  transition: color .2s, border-color .2s;
}
.bs-theme-toggle:hover { color: var(--text); border-color: var(--text); }
.bs-theme-toggle .glyph { font-size: 13px; line-height: 1; }

/* ---------- Transition entre pages (MPA) ----------
   Fondu d'entrée sur CHAQUE page, identique dans tous les navigateurs.
   Opacité seule (jamais de transform → ne casse pas les `position: fixed` :
   sidebar mobile, scrims, menus du canvas). Neutralisé sous reduced-motion
   par le bloc `*` ci-dessous (animation-duration ramenée à ~0). */
body { animation: bs-page-in .4s ease both; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; }
}

/* ============================================================
   Design system partagé (landing + app) — source de vérité.
   ============================================================ */

/* Eyebrow mono « // SECTION » */
.eyebrow { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em; color: var(--accent); }

/* Marque (logo + wordmark) — partagée landing + app */
.bs-brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--text); }
.bs-logo { display: block; }
.bs-brand__name { font-family: var(--font-mono); font-size: 13px; font-weight: 600; letter-spacing: 0.16em; }

/* Boutons (un seul système) */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-family: inherit; font-size: 13.5px; font-weight: 600; padding: 9px 17px; border-radius: var(--r-xs); border: 1px solid transparent; cursor: pointer; text-decoration: none; transition: background .2s, border-color .2s, color .2s, transform .15s ease, box-shadow .2s; white-space: nowrap; }
.btn--lg { font-size: 14.5px; padding: 14px 24px; }
.btn--block { width: 100%; }
.btn--primary { background: var(--accent); color: var(--bg); }
.btn--primary:hover { background: var(--accent2); box-shadow: 0 6px 18px -9px color-mix(in oklch, var(--accent) 75%, transparent); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--border2); font-weight: 500; }
.btn--ghost:hover { background: var(--surface2); border-color: var(--text); }
.btn--danger { background: transparent; border-color: color-mix(in oklch, var(--hi) 50%, var(--border)); color: var(--hi); }
.btn--danger:hover { background: color-mix(in oklch, var(--hi) 12%, transparent); }
/* Micro-feedback partagé : léger soulèvement au survol, « enfoncé » au clic. */
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

/* Champs */
.field { display: block; }
.field + .field { margin-top: 14px; }
/* Dans une grille, l'espacement est géré par `gap` : pas de margin-top parasite
   sur le 2e champ (sinon la colonne de droite est décalée vers le bas). */
.grid-2 .field { margin-top: 0; }
.field__label { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 6px; }
.input { width: 100%; background: var(--bg); border: 1px solid var(--border2); border-radius: var(--r); padding: 11px 13px; color: var(--text); font-family: var(--font-mono); font-size: 13px; outline: none; transition: border-color .15s, box-shadow .15s; }
.input::placeholder { color: var(--faint); }
.input:hover { border-color: color-mix(in oklch, var(--accent) 32%, var(--border2)); }
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in oklch, var(--accent) 16%, transparent); }

/* Afficher / masquer le mot de passe (bouton œil injecté par assets/js/auth.js) */
.pw-field { position: relative; display: block; }
.input.has-pw-toggle { padding-right: 40px; }
.pw-toggle { position: absolute; top: 50%; right: 5px; transform: translateY(-50%); display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; padding: 0; border: 0; background: transparent; color: var(--faint); cursor: pointer; border-radius: var(--r-sm); transition: color .15s, background .15s; }
.pw-toggle:hover { color: var(--muted); }
.pw-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.pw-toggle svg { width: 17px; height: 17px; display: block; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* Cartes */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: clamp(18px, 2vw, 26px); }
.card + .card { margin-top: 18px; }
.card--danger { border-color: color-mix(in oklch, var(--hi) 35%, var(--border)); }
.card__title { margin: 0; font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.card__desc { margin: 6px 0 0; font-size: 13px; color: var(--muted); }
.card__body { margin-top: 18px; }

/* Alertes */
.alert { border-radius: var(--r); padding: 11px 14px; font-size: 13px; margin-bottom: 16px; }
.alert--err { background: color-mix(in oklch, var(--hi) 12%, transparent); border: 1px solid color-mix(in oklch, var(--hi) 40%, var(--border)); color: var(--hi); }
.alert--ok { background: color-mix(in oklch, var(--ok) 12%, transparent); border: 1px solid color-mix(in oklch, var(--ok) 40%, var(--border)); color: var(--ok); }
.alert--info { background: var(--surface2); border: 1px solid var(--border); color: var(--muted); }
.alert--warn { background: color-mix(in oklch, var(--warn) 12%, transparent); border: 1px solid color-mix(in oklch, var(--warn) 40%, var(--border)); color: var(--warn); }

/* Micro-éléments */
.kbd { font-family: var(--font-mono); font-size: 10px; border: 1px solid var(--border2); border-radius: var(--r-sm); padding: 2px 6px; color: var(--muted); background: var(--surface2); }
.badge { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.1em; color: var(--accent); border: 1px solid color-mix(in oklch, var(--accent) 40%, var(--border)); border-radius: var(--r-xs); padding: 2px 7px; }
.badge--muted { color: var(--muted); border-color: var(--border); }

/* Grille hairline (groupes de cartes séparés par 1px) */
.hairline-grid { display: grid; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--r-md); overflow: hidden; }

/* Barre de chargement de navigation (bas de page) — pilotée par nav-progress.js */
.nav-progress {
  position: fixed; left: 0; bottom: 0; width: 100%; height: 3px;
  transform: scaleX(0); transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  box-shadow: 0 0 8px color-mix(in oklch, var(--accent) 65%, transparent);
  opacity: 0; pointer-events: none; z-index: 2147483600;
  transition: transform .2s ease, opacity .3s ease;
}

/* Bascule de langue EN/FR (composant partagé : sidebar + header de la landing) */
.langtoggle { display: inline-flex; background: var(--surface2); border: 1px solid var(--border); border-radius: var(--r); padding: 3px; gap: 2px; }
.langtoggle__opt { border: none; background: transparent; color: var(--faint); font-size: 11px; letter-spacing: 0.06em; padding: 4px 10px; border-radius: var(--r-sm); cursor: pointer; transition: color .15s, background .15s; }
.langtoggle__opt:hover:not(.is-on) { color: var(--text); }
.langtoggle__opt.is-on { background: var(--surface); color: var(--text); }
@media (pointer: coarse) { .langtoggle__opt { padding: 8px 12px; } } /* cibles tactiles plus confortables */

/* Utilitaires d'espacement (pour éviter les marges inline) */
.u-mt-1 { margin-top: 8px; }
.u-mt-2 { margin-top: 14px; }
.u-mt-3 { margin-top: 18px; }
.u-mt-4 { margin-top: 24px; }
.u-center { text-align: center; }

/* Bouton flottant global — communauté & support Telegram (footer-scripts.php).
   Conteneur fixe = lien-pastille + bouton de fermeture (fermeture persistée par cookie, cf. fab.js).
   Présent sur toutes les pages si BS_TELEGRAM_CHANNEL_URL est défini. */
.bs-fab { position: fixed; right: clamp(16px, 3vw, 26px); bottom: clamp(16px, 3vw, 26px); z-index: 45; display: inline-flex; }
.bs-fab.is-hidden { opacity: 0; transform: translateY(8px) scale(.96); pointer-events: none; transition: opacity .2s ease, transform .2s ease; }
.bs-fab__link {
  display: inline-flex; align-items: center; gap: 9px; padding: 11px 17px 11px 14px; border-radius: 999px;
  background: var(--accent); color: var(--bg); text-decoration: none; font-size: 13.5px; font-weight: 600; line-height: 1;
  box-shadow: 0 12px 30px -10px color-mix(in oklch, var(--accent) 60%, transparent), 0 2px 8px rgba(0, 0, 0, .18);
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.bs-fab__link:hover { background: var(--accent2); transform: translateY(-2px); box-shadow: 0 18px 42px -10px color-mix(in oklch, var(--accent) 66%, transparent), 0 4px 12px rgba(0, 0, 0, .22); }
.bs-fab__link:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.bs-fab__link svg { flex: none; }
.bs-fab__close {
  position: absolute; top: -8px; right: -8px; width: 22px; height: 22px; padding: 0; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center; cursor: pointer;
  background: var(--surface); color: var(--muted); border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, .22); transition: color .15s, background .15s, border-color .15s, transform .15s;
}
.bs-fab__close:hover { color: var(--hi); border-color: color-mix(in oklch, var(--hi) 55%, var(--border)); transform: scale(1.08); }
.bs-fab__close svg { flex: none; }
@media (max-width: 560px) {
  .bs-fab__link { padding: 13px; gap: 0; }        /* icône seule : pastille ronde */
  .bs-fab__txt { display: none; }
}
@media (pointer: coarse) {                          /* cible tactile plus confortable sur mobile */
  .bs-fab__close { width: 28px; height: 28px; top: -10px; right: -10px; }
}
@media (prefers-reduced-motion: reduce) { .bs-fab__link, .bs-fab.is-hidden { transition: none; } .bs-fab__link:hover { transform: none; } }
/* Plan d'investigation (outil plein cadre) : le FAB chevaucherait les contrôles de
   l'inspecteur → on le masque là (le lien Communauté reste dans la sidebar). */
body:has(.invest) .bs-fab { display: none; }
