/* ==========================================================
   05-auth.css — ecran de connexion : formulaire + apercu
   ========================================================== */
#auth{position:fixed;inset:0;z-index:50;
  background:radial-gradient(120% 90% at 20% 0%, #0b4a4f 0%, #041a1e 55%, #021214 100%)}
#auth[hidden]{display:none}

/* La grille fait exactement la hauteur de l'ecran : chaque volet se centre
   dedans. Seul le volet gauche peut defiler si la carte est trop haute,
   ce qui evite la barre de defilement globale. */
.auth-split{display:grid;grid-template-columns:minmax(360px,42%) 1fr;
  height:100vh;height:100dvh;overflow:hidden}

/* ---------- volet gauche : le formulaire ---------- */
.auth-form-side{display:grid;place-items:center;min-width:0;height:100%;
  padding:32px 24px;overflow-y:auto;overscroll-behavior:contain}
/* barre de defilement discrete, presente seulement si necessaire */
.auth-form-side{scrollbar-width:thin;scrollbar-color:var(--line) transparent}
.auth-form-side::-webkit-scrollbar{width:8px}
.auth-form-side::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}
.auth-form-side::-webkit-scrollbar-track{background:transparent}
.lock-box{width:min(400px,100%);background:var(--surface);border:1px solid var(--line);
  border-radius:24px;padding:30px 26px;text-align:center;
  box-shadow:0 20px 60px rgba(0,0,0,.55),0 0 40px rgba(0,230,180,.10)}
.lock-avatar{width:64px;height:64px;margin:0 auto 6px;border-radius:50%;background:var(--surface2);
  box-shadow:var(--glow);display:grid;place-items:center;font-size:1.8rem}
.lock-box h1{margin:0 0 4px;font-size:1.4rem}
.lock-hint{margin:0 0 18px;line-height:1.4;color:var(--muted);font-size:.9rem}
.lock-box .field{text-align:left;margin-bottom:14px}
.lock-box input{height:48px;text-align:left;font-size:1rem;letter-spacing:normal}
.lock-msg{margin:0 0 8px;min-height:1.2em;font-size:.85rem;font-weight:600}
.lock-msg.err{color:var(--danger)}
.lock-msg.ok{color:var(--p3)}
.lock-box .primary{height:50px;width:100%;border-radius:12px;font-weight:700}
.lock-ghost{width:100%;color:var(--muted);margin-top:8px}
.lock-box .hint{margin-top:12px}
.shake{animation:shake .3s}
@keyframes shake{25%{transform:translateX(-8px)}75%{transform:translateX(8px)}}

/* ---------- volet droit : l'apercu ---------- */
.auth-demo-side{position:relative;display:grid;place-items:center;
  overflow:hidden;min-width:0;height:100%;
  /* decoupe en biais : le coin haut gauche du volet droit est rogne.
     La marge gauche de 92px compense cette coupe, pour que le
     contenu reste entier et centre dans la partie visible. */
  clip-path:polygon(10% 0, 100% 0, 100% 100%, 0 100%);
  padding:32px 40px 32px 92px;
  background:
    radial-gradient(90% 70% at 70% 10%, rgba(0,230,180,.16), transparent 60%),
    radial-gradient(70% 60% at 90% 90%, rgba(63,200,255,.16), transparent 60%),
    #08272c}
.auth-demo-side::before{content:'';position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;mask-image:radial-gradient(70% 70% at 50% 50%,#000,transparent)}
.demo-inner{position:relative;width:min(440px,100%)}
.demo-eyebrow{margin:0 0 6px;font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent)}
.demo-title{margin:0 0 22px;font-size:1.9rem;line-height:1.2;letter-spacing:-.02em;color:var(--fg)}

/* fausse fenetre de l'application */
.demo-window{background:var(--surface);border:1px solid var(--line);border-radius:18px;
  box-shadow:0 18px 50px rgba(0,0,0,.5);overflow:hidden}
.demo-bar{display:flex;align-items:center;gap:6px;padding:10px 12px;border-bottom:1px solid var(--line);
  background:var(--surface2)}
.demo-dot{width:9px;height:9px;border-radius:50%;background:var(--line)}
.demo-tabs{display:flex;gap:6px;margin-left:8px}
.demo-tabs i{font-style:normal;font-size:.7rem;padding:3px 10px;border-radius:999px;
  background:var(--surface);color:var(--muted)}
.demo-tabs i.on{background:var(--accent);color:var(--accent-fg)}
.demo-list{padding:10px}
.demo-row{display:flex;align-items:center;gap:10px;padding:8px 10px;margin-bottom:6px;
  border-radius:12px;background:var(--surface2);border-left:4px solid var(--p3)}
.demo-row.p1{border-left-color:var(--p1)}
.demo-row.p2{border-left-color:var(--p2)}
.demo-row.p3{border-left-color:var(--p3)}
.demo-row b{width:46%;height:9px;border-radius:5px;background:var(--line)}
.demo-row s{width:14%;height:9px;border-radius:5px;background:var(--line);margin-left:auto}
.demo-total{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;
  border-top:1px solid var(--line);background:var(--surface2)}
.demo-total span{font-size:.8rem;color:var(--muted)}
.demo-total em{font-style:normal;font-weight:800;font-size:1.1rem;color:var(--accent)}

/* animation : les lignes apparaissent en cascade, en boucle */
.demo-row{animation:slide 5.5s infinite ease-in-out}
.demo-row.p1:nth-child(1){animation-delay:0s}
.demo-row.p1:nth-child(2){animation-delay:.18s}
.demo-row.p2:nth-child(3){animation-delay:.36s}
.demo-row.p2:nth-child(4){animation-delay:.54s}
.demo-row.p3:nth-child(5){animation-delay:.72s}
.demo-total{animation:slide 5.5s infinite ease-in-out;animation-delay:.95s}
@keyframes slide{
  0%,100%{opacity:.35;transform:translateX(-6px)}
  12%,80%{opacity:1;transform:translateX(0)}
  92%{opacity:.35;transform:translateX(4px)}
}

.demo-points{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:12px}
.demo-points li{display:grid;grid-template-columns:34px 1fr;gap:2px 12px;align-items:center}
.demo-points i{grid-row:span 2;width:34px;height:34px;border-radius:10px;background:var(--surface2);
  display:grid;place-items:center;font-style:normal;font-size:1rem}
.demo-points b{font-weight:700;font-size:.95rem}
.demo-points span{color:var(--muted);font-size:.8rem}

/* ---------- mobile : formulaire seul, sans apercu ----------
   L'apercu et la decoupe en biais ne servent que sur grand ecran.
   Sur telephone et tablette, seule la carte de connexion s'affiche. */
@media (max-width:1023px){
  /* l'apercu est masque : on repasse sur une seule colonne,
     sinon le formulaire resterait cantonne a la colonne de gauche */
  .auth-split{grid-template-columns:1fr}
  .auth-demo-side{display:none}
  .auth-form-side{height:auto;min-height:100%;padding:24px 18px calc(24px + env(safe-area-inset-bottom))}
  .lock-box{width:min(420px,100%);padding:26px 20px}
  .lock-box h1{font-size:1.3rem}
}

/* tres petit ecran : on allege la carte pour qu'elle tienne sans faire defiler */
@media (max-width:1023px) and (max-height:640px){
  .auth-form-side{padding:12px 14px}
  .lock-box{padding:18px 16px}
  .lock-avatar{width:48px;height:48px;font-size:1.4rem}
  .lock-hint{margin-bottom:12px}
  .lock-box .field{margin-bottom:10px}
}

.lock-status-line{display:flex;align-items:center;gap:10px;background:var(--surface);
  border:1px solid var(--line);border-radius:12px;padding:10px 12px;font-size:.9rem;margin-bottom:10px}
.lock-status-line .meta{flex:1;min-width:0;color:var(--fg);font-size:.9rem}

/* ---- bandeau hors connexion ---- */
#offlineBar{position:sticky;top:0;z-index:20;background:var(--accent-2);color:#03212e;
  padding:10px 14px;font-size:.85rem;font-weight:600;text-align:center}
body.is-offline #fab{display:none}