/* Base « atelier du futur » : nuit profonde, néons bleu électrique / violet, touche d'or Le Roi, verre dépoli.
   Aucune dépendance. Les polices sont locales (SIL OFL, voir app/fonts/). */
@font-face { font-family: "Geist"; src: url("/fonts/geist.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Big Shoulders"; src: url("/fonts/big-shoulders-display.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Martian Mono"; src: url("/fonts/martian-mono.woff2") format("woff2"); font-weight: 100 800; font-display: swap; }

:root {
  /* matières */
  --nuit: #05060e;
  --nuit-2: #0b0f1f;
  --encre: #11162b;
  --encre-2: #161c38;
  --filet: rgba(160, 180, 255, 0.14);
  --filet-fort: rgba(160, 180, 255, 0.28);
  /* textes (contraste AA vérifié sur --nuit-2 et --encre-2) */
  --texte: #f1f3ff;
  --texte-doux: #a9b3d6;
  --texte-pale: #8b96bf;
  /* néons */
  --electrique: #4d8dff;
  --lien: #7fb0ff;
  --cyan: #3ee6ff;
  --violet: #9b6bff;
  --violet-clair: #b79bff;
  --or: #f0c062;
  --jade: #3be3a0;
  --corail: #ff6b81;
  --degrade: linear-gradient(120deg, #2f5bea 0%, #6d3fe0 100%);
  /* formes */
  --rayon: 22px;
  --rayon-s: 14px;
  --marge: 16px;
  --flou: blur(18px) saturate(150%);
  --ombre: 0 20px 50px -20px rgba(0, 0, 0, 0.7), 0 1px 0 rgba(255, 255, 255, 0.05) inset;
  /* mouvement */
  --ressort: cubic-bezier(0.16, 1, 0.3, 1);
  --ressort-rebond: cubic-bezier(0.34, 1.56, 0.64, 1);
  /* zones sûres : iPhone (env) et Telegram (variables fournies par le client, Bot API 8.0) */
  --sur-haut: max(env(safe-area-inset-top, 0px), var(--tg-safe-area-inset-top, 0px));
  --sur-bas: max(env(safe-area-inset-bottom, 0px), var(--tg-safe-area-inset-bottom, 0px));
  --sur-contenu-haut: var(--tg-content-safe-area-inset-top, 0px);
  --police: "Geist", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --police-titre: "Big Shoulders", "Geist", system-ui, sans-serif;
  --police-mono: "Martian Mono", ui-monospace, "SF Mono", Menlo, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { background: var(--nuit); overflow-x: clip; }
[data-resultat], [data-apercu], .carte { scroll-margin-top: calc(var(--sur-haut) + var(--sur-contenu-haut) + 76px); }
body {
  min-height: 100dvh;
  background: var(--nuit);
  color: var(--texte);
  font: 16px/1.55 var(--police);
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

/* — décor de fond : aurores (dégradés pré-flous, pas de filter), grille, grain — */
.fond { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; background: radial-gradient(120% 80% at 50% -10%, #111a3d 0%, var(--nuit) 60%); }
.aurore { position: absolute; width: 90vmax; height: 90vmax; border-radius: 50%; opacity: 0.55; will-change: transform; }
.aurore.a1 { top: -45vmax; left: -30vmax; background: radial-gradient(closest-side, rgba(77, 141, 255, 0.45), rgba(77, 141, 255, 0) 70%); animation: derive-1 26s ease-in-out infinite alternate; }
.aurore.a2 { bottom: -50vmax; right: -35vmax; background: radial-gradient(closest-side, rgba(155, 107, 255, 0.42), rgba(155, 107, 255, 0) 70%); animation: derive-2 32s ease-in-out infinite alternate; }
.aurore.a3 { top: 30%; left: 55%; width: 50vmax; height: 50vmax; background: radial-gradient(closest-side, rgba(240, 192, 98, 0.16), rgba(240, 192, 98, 0) 70%); animation: derive-1 38s ease-in-out infinite alternate-reverse; }
@keyframes derive-1 { to { transform: translate3d(12vmax, 8vmax, 0) scale(1.1); } }
@keyframes derive-2 { to { transform: translate3d(-10vmax, -12vmax, 0) scale(1.15); } }
.grille {
  position: absolute; inset: -2px;
  background-image: linear-gradient(rgba(140, 170, 255, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(140, 170, 255, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(70% 55% at 50% 20%, #000 0%, transparent 100%);
  mask-image: radial-gradient(70% 55% at 50% 20%, #000 0%, transparent 100%);
}
.grain {
  position: absolute; inset: 0; opacity: 0.07;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .9 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* — barre du haut (respecte la zone sûre) — */
.barre {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: calc(var(--sur-haut) + var(--sur-contenu-haut) + 6px) max(var(--marge), env(safe-area-inset-right, 0px)) 6px max(var(--marge), env(safe-area-inset-left, 0px));
  background: rgba(5, 6, 14, 0.78); -webkit-backdrop-filter: blur(14px) saturate(140%); backdrop-filter: blur(14px) saturate(140%); border-bottom: 1px solid rgba(160, 180, 255, 0.08);
  view-transition-name: barre;
}
.barre-logo { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--texte); font: 800 1.05rem/1 var(--police-titre); letter-spacing: 0.1em; text-transform: uppercase; }
.barre-logo:hover { text-decoration: none; }
.barre-logo svg { width: 30px; height: 30px; filter: drop-shadow(0 0 10px rgba(77, 141, 255, 0.55)); }
.barre-acces {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border-radius: 999px;
  color: var(--texte-doux); font: 500 0.7rem/1 var(--police-mono);
  border: 1px solid var(--filet); background: rgba(17, 22, 43, 0.6);
}
.barre-acces:hover { text-decoration: none; color: var(--texte); border-color: var(--filet-fort); }

.vue {
  max-width: 720px; margin: 0 auto;
  padding: 4px max(var(--marge), env(safe-area-inset-right, 0px)) calc(56px + var(--sur-bas)) max(var(--marge), env(safe-area-inset-left, 0px));
  view-transition-name: vue;
}

/* — typographie — */
h1, h2, h3 { font-family: var(--police-titre); font-weight: 800; letter-spacing: 0.01em; line-height: 1.02; text-wrap: balance; }
h1 { font-size: clamp(2.3rem, 9.5vw, 3.4rem); margin: 0 0 10px; text-transform: uppercase; }
h2 { font-size: 1.65rem; margin: 26px 0 10px; text-transform: uppercase; }
h3 { font-size: 1.3rem; margin: 18px 0 6px; }
p { margin: 10px 0; }
a { color: var(--lien); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
strong { color: #fff; font-weight: 650; }
.titre-neon {
  background: linear-gradient(100deg, #fff 0%, #e4eaff 35%, #9ff2ff 58%, var(--violet-clair) 80%, var(--or) 100%);
  background-size: 220% 100%; -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: reflet 9s ease-in-out infinite;
}
@keyframes reflet { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }

.entete { margin: 8px 0 22px; }
.surtitre { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 12px; color: var(--cyan); font: 500 0.66rem/1.3 var(--police-mono); letter-spacing: 0.06em; text-transform: uppercase; }
.surtitre::before { content: ""; width: 18px; height: 1px; background: currentColor; box-shadow: 0 0 8px currentColor; }
.intro { color: var(--texte-doux); }
.pied { color: var(--texte-pale); font-size: 0.88rem; margin-top: 30px; }

/* — focus visibles partout — */
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; box-shadow: 0 0 0 6px rgba(62, 230, 255, 0.18); }

/* — verre dépoli — */
.carte, .tuile, .lecon, .quiz, .filtres {
  background: linear-gradient(160deg, rgba(30, 38, 78, 0.62), rgba(14, 18, 38, 0.66));
  -webkit-backdrop-filter: var(--flou); backdrop-filter: var(--flou);
  border: 1px solid var(--filet);
  box-shadow: var(--ombre);
}
.carte { border-radius: var(--rayon); padding: 18px; margin: 14px 0; position: relative; }
/* les longues listes (leçons, outils, modèles) n'utilisent pas le flou d'arrière-plan : trop coûteux sur iPhone */
.lecon, .outil, .modele { -webkit-backdrop-filter: none; backdrop-filter: none; background: linear-gradient(160deg, rgba(28, 36, 74, 0.9), rgba(13, 17, 36, 0.92)); }
.carte > h1 { font-size: 2.1rem; }

/* — tuiles (accueil) — */
.tuiles { display: grid; gap: 12px; grid-template-columns: 1fr; perspective: 900px; }
@media (min-width: 520px) { .tuiles { grid-template-columns: 1fr 1fr; } .tuile.vedette { grid-column: 1 / -1; } }
.tuile {
  position: relative; display: grid; grid-template-columns: 48px 1fr 24px; align-items: center; gap: 14px;
  min-height: 78px; padding: 14px 16px; border-radius: var(--rayon); color: var(--texte); overflow: hidden;
  isolation: isolate;
}
.tuile:hover { text-decoration: none; border-color: var(--filet-fort); }
.tuile::before { /* projecteur qui suit le doigt */
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity 0.3s;
  background: radial-gradient(220px circle at var(--px, 50%) var(--py, 50%), rgba(77, 141, 255, 0.25), transparent 60%);
}
.tuile:hover::before, .tuile.presse::before { opacity: 1; }
.tuile::after { /* liseré néon */
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(130deg, rgba(62, 230, 255, 0.55), rgba(155, 107, 255, 0.1) 40%, transparent 60%, rgba(240, 192, 98, 0.35));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
}
.tuile-icone {
  width: 48px; height: 48px; display: grid; place-items: center; border-radius: 14px;
  background: radial-gradient(circle at 30% 25%, rgba(62, 230, 255, 0.32), rgba(77, 141, 255, 0.12) 55%, rgba(155, 107, 255, 0.08));
  border: 1px solid rgba(127, 176, 255, 0.25); box-shadow: 0 0 22px -6px rgba(77, 141, 255, 0.7) inset;
}
.tuile-icone svg { width: 26px; height: 26px; }
.tuile-texte { min-width: 0; }
.tuile-titre { display: block; font: 800 1.4rem/1.02 var(--police-titre); text-transform: uppercase; letter-spacing: 0.02em; }
.tuile-sous { display: block; color: var(--texte-doux); font-size: 0.9rem; margin-top: 4px; }
.tuile-fleche { color: var(--texte-pale); font-size: 1.2rem; transition: transform 0.4s var(--ressort), color 0.3s; }
.tuile:hover .tuile-fleche, .tuile.presse .tuile-fleche { transform: translateX(4px); color: var(--cyan); }
.tuile-num { position: absolute; top: 9px; right: 14px; font: 500 0.6rem/1 var(--police-mono); color: var(--texte-pale); }
.tuile.vedette { min-height: 108px; background: linear-gradient(135deg, rgba(47, 91, 234, 0.5), rgba(109, 63, 224, 0.38) 60%, rgba(240, 192, 98, 0.18)); border-color: rgba(127, 176, 255, 0.35); }
.tuile.vedette .tuile-titre { font-size: 1.8rem; }

/* — boutons — */
.bouton {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 12px 22px; margin: 6px 0;
  border: 0; border-radius: 999px; cursor: pointer; text-align: center; overflow: hidden; isolation: isolate;
  font: 650 1rem/1.15 var(--police); color: #fff;
  background: var(--degrade);
  box-shadow: 0 10px 30px -10px rgba(77, 101, 255, 0.85), 0 0 0 1px rgba(160, 180, 255, 0.35) inset;
  transition: transform 0.35s var(--ressort), box-shadow 0.35s;
  -webkit-tap-highlight-color: transparent;
}
.bouton:hover { text-decoration: none; box-shadow: 0 14px 36px -10px rgba(110, 90, 255, 0.95), 0 0 0 1px rgba(190, 205, 255, 0.5) inset; }
.bouton::after { /* onde au toucher */
  content: ""; position: absolute; left: var(--rx, 50%); top: var(--ry, 50%); width: 10px; height: 10px; margin: -5px 0 0 -5px;
  border-radius: 50%; background: rgba(255, 255, 255, 0.45); opacity: 0; transform: scale(0); z-index: -1; pointer-events: none;
}
.bouton.onde::after { animation: onde 0.6s var(--ressort); }
@keyframes onde { 0% { opacity: 0.6; transform: scale(0); } 100% { opacity: 0; transform: scale(36); } }
.bouton:active { transform: scale(0.965); }
.bouton.secondaire { color: var(--texte); background: rgba(17, 22, 43, 0.6); box-shadow: 0 0 0 1px var(--filet-fort) inset; }
.bouton.secondaire::after { background: rgba(127, 176, 255, 0.35); }
.bouton.or { color: #1a1206; background: linear-gradient(120deg, #f6d48a, var(--or) 50%, #d79a35); box-shadow: 0 12px 34px -12px rgba(240, 192, 98, 0.9); }
.bouton:disabled { opacity: 0.55; cursor: default; }
.p { -webkit-tap-highlight-color: transparent; }
.vue section > .bouton.secondaire[href="#accueil"], .vue section > .bouton.secondaire[href="#formation"] { margin-top: 22px; }

/* — étiquettes, encadrés, code — */
.badge {
  display: inline-flex; align-items: center; gap: 6px; font: 500 0.68rem/1.3 var(--police-mono);
  padding: 4px 10px; border-radius: 999px; background: rgba(77, 141, 255, 0.12); color: #c7d4ff; border: 1px solid rgba(127, 176, 255, 0.22);
}
.verrou { opacity: 0.62; }
.encadre { border-left: 3px solid var(--jade); background: linear-gradient(90deg, rgba(59, 227, 160, 0.1), rgba(22, 28, 56, 0.55) 40%); padding: 12px 16px; border-radius: 12px; margin: 14px 0; }
.encadre.attention { border-left-color: var(--or); background: linear-gradient(90deg, rgba(240, 192, 98, 0.12), rgba(22, 28, 56, 0.55) 40%); }
.a-faire { border: 1px dashed var(--filet-fort); color: var(--texte-doux); padding: 12px; border-radius: 12px; font-size: 0.9rem; }
code { font-family: var(--police-mono); background: rgba(5, 8, 20, 0.85); color: #cfe0ff; padding: 1px 6px; border-radius: 6px; font-size: 0.8em; border: 1px solid rgba(127, 176, 255, 0.12); }
pre { background: rgba(5, 8, 20, 0.88); padding: 14px; border-radius: 14px; overflow: auto; border: 1px solid var(--filet); font-size: 0.85rem; line-height: 1.5; white-space: pre-wrap; word-break: break-word; }
pre code { background: none; border: 0; padding: 0; }
hr { border: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--filet-fort), transparent); margin: 24px 0; }

/* — formulaires — */
.formulaire { display: grid; gap: 14px; }
.champ { display: grid; gap: 8px; }
.champ > span { font-weight: 600; color: var(--texte); }
input[type="text"], select {
  width: 100%; min-height: 50px; padding: 12px 16px; border-radius: 14px;
  font: 500 1rem/1.3 var(--police); color: var(--texte);
  background-color: rgba(8, 11, 26, 0.78); border: 1px solid var(--filet-fort);
  transition: border-color 0.25s, box-shadow 0.25s;
  -webkit-appearance: none; appearance: none;
}
select { background-image: linear-gradient(45deg, transparent 50%, var(--texte-doux) 50%), linear-gradient(135deg, var(--texte-doux) 50%, transparent 50%); background-position: calc(100% - 22px) 52%, calc(100% - 16px) 52%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 40px; }
select option { background: var(--encre); color: var(--texte); }
input[type="text"]::placeholder { color: var(--texte-pale); }
input[type="text"]:focus-visible, select:focus-visible { border-color: var(--cyan); box-shadow: 0 0 0 4px rgba(62, 230, 255, 0.18), 0 0 30px -8px rgba(62, 230, 255, 0.6); outline: none; }

[hidden] { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }