/* =========================================================
   OBSESSION — Le quizz !
   Palette inspirée des affiches : noir profond, orange-rouge
   vif (affiche 1), reflets ambre + teal/cyan (affiche 2).
   ========================================================= */

:root{
  --bg:        #070708;
  --bg-2:      #0d0d12;
  --panel:     #121218;
  --panel-2:   #181820;
  --line:      #2a2a34;

  --orange:    #ff3b1e;   /* accent principal (affiche 1) */
  --orange-2:  #ff6a2c;
  --orange-dp: #c8200a;
  --amber:     #f2a341;   /* lueur fenêtre (affiche 2)    */
  --teal:      #19e0f0;   /* nuit froide / aberration cyan */
  --magenta:   #ff1e5a;   /* aberration / erreur          */
  --good:      #36e0a0;   /* bonne réponse                */
  --bad:       #ff2d55;   /* mauvaise réponse             */

  --text:      #f4f1ec;
  --muted:     #948e87;
  --muted-2:   #6b665f;

  --radius:    16px;
  --radius-sm: 11px;
  --maxw:      720px;

  --ease: cubic-bezier(.16,.84,.34,1);
  --shadow: 0 24px 60px -24px rgba(0,0,0,.85);
}

*{ box-sizing:border-box; margin:0; padding:0; }

html{ -webkit-text-size-adjust:100%; }

body{
  font-family:'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  background:var(--bg);
  color:var(--text);
  min-height:100dvh;
  line-height:1.5;
  overflow-x:hidden;
  display:flex;
  flex-direction:column;
  -webkit-font-smoothing:antialiased;
}

/* ---------------- Décors d'ambiance ---------------- */
.bg{ position:fixed; inset:0; z-index:-1; overflow:hidden; background:
   radial-gradient(120% 90% at 50% -10%, #15131a 0%, var(--bg) 55%) ; }

.bg-glow{ position:absolute; border-radius:50%; filter:blur(80px); opacity:.55;
  will-change:transform; }
.bg-glow--orange{ width:60vmax; height:60vmax; left:-10vmax; bottom:-25vmax;
  background:radial-gradient(circle, rgba(255,59,30,.55), transparent 65%);
  animation:drift1 22s var(--ease) infinite alternate; }
.bg-glow--teal{ width:55vmax; height:55vmax; right:-15vmax; top:-20vmax;
  background:radial-gradient(circle, rgba(25,160,200,.40), transparent 65%);
  animation:drift2 26s var(--ease) infinite alternate; }

@keyframes drift1{ to{ transform:translate(8vmax,-6vmax) scale(1.15); } }
@keyframes drift2{ to{ transform:translate(-6vmax,7vmax) scale(1.1); } }

.bg-grain{ position:absolute; inset:-200%; opacity:.05; pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 1.1s steps(4) infinite; }
@keyframes grain{ 0%{transform:translate(0,0)} 25%{transform:translate(-3%,2%)} 50%{transform:translate(2%,-3%)} 75%{transform:translate(-2%,-2%)} 100%{transform:translate(3%,3%)} }

.bg-vignette{ position:absolute; inset:0;
  background:radial-gradient(120% 100% at 50% 40%, transparent 55%, rgba(0,0,0,.8) 100%); }
.bg-scanline{ position:absolute; inset:0; opacity:.35; mix-blend-mode:overlay;
  background:repeating-linear-gradient(to bottom, rgba(255,255,255,.04) 0 1px, transparent 1px 3px); }

/* ---------------- Layout ---------------- */
.stage{ flex:1; width:100%; max-width:var(--maxw); margin:0 auto;
  padding:clamp(20px,4vw,40px); display:flex; align-items:center; min-height:100dvh; }

.screen{ display:none; width:100%; animation:screenIn .55s var(--ease) both; }
.screen.is-active{ display:block; }
@keyframes screenIn{ from{ opacity:0; transform:translateY(14px) scale(.99); } to{ opacity:1; transform:none; } }

/* ---------------- Titre / glitch ---------------- */
.title{
  font-family:'Archivo Black', sans-serif;
  font-size:clamp(3.1rem, 14vw, 7rem);
  line-height:.9; letter-spacing:-.02em;
  color:var(--text);
  position:relative; display:inline-block;
  text-shadow:0 0 38px rgba(255,255,255,.18);
}
.glitch{ position:relative; }
.glitch::before, .glitch::after{
  content:attr(data-text); position:absolute; inset:0;
  clip-path:inset(0); pointer-events:none;
}
.glitch::before{ color:var(--teal); transform:translate(-2px,0); mix-blend-mode:screen;
  animation:chroma 4.6s infinite var(--ease); }
.glitch::after{ color:var(--magenta); transform:translate(2px,0); mix-blend-mode:screen;
  animation:chroma 4.6s infinite var(--ease) reverse; }
@keyframes chroma{
  0%,100%{ transform:translate(-2px,0); }
  47%{ transform:translate(-2px,0); }
  48%{ transform:translate(-7px,1px); clip-path:inset(20% 0 35% 0); }
  50%{ transform:translate(5px,-1px); clip-path:inset(60% 0 10% 0); }
  52%{ transform:translate(-3px,0); clip-path:inset(0); }
}

/* ---------------- Écran démarrage ---------------- */
.hero{ text-align:center; }
.hero__kicker{ text-transform:uppercase; letter-spacing:.42em; font-size:.74rem;
  color:var(--orange); font-weight:700; margin-bottom:14px; padding-left:.42em; }
.hero__sub{ margin-top:14px; color:var(--muted); font-size:clamp(.95rem,3.6vw,1.1rem); }
.hero__sub em{ color:var(--amber); font-style:normal; font-weight:600; }
.hero__sub span{ display:inline-block; }

.definition{ text-align:left; max-width:440px; margin:26px auto 4px;
  border-left:3px solid var(--orange); padding:14px 18px;
  background:linear-gradient(90deg, rgba(255,59,30,.07), transparent);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0; }
.definition__word{ font-weight:800; font-size:1.02rem; }
.definition__word span{ color:var(--muted-2); font-weight:500; font-size:.85rem; }
.definition__text{ color:var(--muted); font-size:.92rem; margin-top:6px; }

/* Sélecteur de mode */
.modes{ display:grid; grid-template-columns:repeat(3, 1fr); gap:12px; margin:30px 0 26px; }
.mode-card{ position:relative; text-align:left; cursor:pointer;
  background:var(--panel); border:1.5px solid var(--line); border-radius:var(--radius);
  padding:18px 18px 16px; color:var(--text); overflow:hidden;
  transition:transform .35s var(--ease), border-color .3s, box-shadow .35s, background .3s; }
.mode-card:hover{ transform:translateY(-4px); border-color:#3a3a48; }
.mode-card::after{ content:""; position:absolute; inset:0; opacity:0; transition:opacity .3s;
  background:radial-gradient(120% 120% at 0% 0%, rgba(255,59,30,.16), transparent 60%); }
.mode-card.is-selected{ border-color:var(--orange); background:var(--panel-2);
  box-shadow:0 0 0 1px var(--orange), 0 18px 40px -20px rgba(255,59,30,.6); }
.mode-card.is-selected::after{ opacity:1; }
.mode-card--hard.is-selected{ border-color:var(--magenta); box-shadow:0 0 0 1px var(--magenta), 0 18px 40px -20px rgba(255,30,90,.6); }
.mode-card--hard.is-selected::after{ background:radial-gradient(120% 120% at 100% 0%, rgba(255,30,90,.2), transparent 60%); }
.mode-card--cite.is-selected{ border-color:var(--teal); box-shadow:0 0 0 1px var(--teal), 0 18px 40px -20px rgba(25,224,240,.55); }
.mode-card--cite.is-selected::after{ background:radial-gradient(120% 120% at 100% 0%, rgba(25,224,240,.18), transparent 60%); }
.mode-card__count{ display:block; font-family:'Archivo Black',sans-serif; font-size:2.6rem; line-height:1; color:var(--orange); }
.mode-card--hard .mode-card__count{ color:var(--magenta); }
.mode-card--cite .mode-card__count{ color:var(--teal); }
.mode-card__name{ display:block; font-weight:800; font-size:1.05rem; margin-top:4px; }
.mode-card__desc{ display:block; color:var(--muted); font-size:.8rem; margin-top:3px; }
.mode-card__badge{ position:absolute; top:10px; right:10px; font-size:.6rem; font-weight:800;
  letter-spacing:.12em; color:#fff; background:var(--magenta); padding:3px 7px; border-radius:6px; }
.mode-card--cite .mode-card__badge{ background:var(--teal); color:#04222a; }

.hero__pool{ margin-top:-8px; margin-bottom:20px; color:var(--muted-2); font-size:.82rem; }
.hero__pool strong{ color:var(--teal); }

.hero__best{ margin-top:18px; color:var(--muted-2); font-size:.85rem; min-height:1.1em; }
.hero__best strong{ color:var(--amber); }

/* ---------------- Boutons ---------------- */
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:9px;
  font-family:inherit; font-weight:700; font-size:1rem; cursor:pointer;
  border:none; border-radius:999px; padding:14px 26px; color:#fff;
  transition:transform .2s var(--ease), box-shadow .3s, background .3s, opacity .2s;
  -webkit-tap-highlight-color:transparent; }
.btn__ico{ width:20px; height:20px; }
.btn--lg{ font-size:1.12rem; padding:17px 40px; }
.btn--primary{ background:linear-gradient(135deg, var(--orange), var(--orange-dp));
  box-shadow:0 14px 30px -12px rgba(255,59,30,.7), inset 0 1px 0 rgba(255,255,255,.25); }
.btn--primary:hover:not(:disabled){ transform:translateY(-3px); box-shadow:0 20px 40px -14px rgba(255,59,30,.85); }
.btn--primary:active:not(:disabled){ transform:translateY(-1px) scale(.99); }
.btn--ghost{ background:transparent; border:1.5px solid var(--line); color:var(--muted); }
.btn--ghost:hover{ border-color:var(--orange); color:var(--text); }
.btn:disabled{ opacity:.4; cursor:not-allowed; }

/* ---------------- Bouton son ---------------- */
.sound-toggle{ position:fixed; top:16px; right:16px; z-index:20;
  width:42px; height:42px; border-radius:50%; cursor:pointer;
  background:rgba(18,18,24,.7); backdrop-filter:blur(8px);
  border:1px solid var(--line); color:var(--text);
  display:grid; place-items:center; transition:border-color .2s, transform .2s, color .2s; }
.sound-toggle:hover{ border-color:var(--orange); transform:scale(1.06); }
.sound-toggle .ico{ width:21px; height:21px; fill:currentColor; }
.sound-toggle .ico-off{ display:none; color:var(--muted-2); }
.sound-toggle.is-muted .ico-on{ display:none; }
.sound-toggle.is-muted .ico-off{ display:block; }

/* ---------------- Écran quizz ---------------- */
.quiz-head__top{ display:flex; align-items:center; gap:12px; margin-bottom:12px; }
.qcount{ color:var(--muted); font-size:.9rem; }
.qcount strong{ color:var(--text); font-size:1.05rem; }
.qmode{ font-size:.64rem; font-weight:800; letter-spacing:.12em; text-transform:uppercase;
  color:var(--orange); border:1px solid var(--orange); padding:3px 8px; border-radius:6px; }
.qmode.is-hard{ color:var(--magenta); border-color:var(--magenta); }
.qmode.is-cite{ color:var(--teal); border-color:var(--teal); }

.timer{ position:relative; width:44px; height:44px; margin-left:auto; flex:none; }
.timer__svg{ width:44px; height:44px; transform:rotate(-90deg); }
.timer__track{ fill:none; stroke:var(--line); stroke-width:4; }
.timer__bar{ fill:none; stroke:var(--teal); stroke-width:4; stroke-linecap:round;
  stroke-dasharray:119.4; stroke-dashoffset:0;
  transition:stroke-dashoffset 1s linear, stroke .4s; }
.timer__num{ position:absolute; inset:0; display:grid; place-items:center;
  font-size:.92rem; font-weight:700; font-variant-numeric:tabular-nums; }
.timer.is-low .timer__bar{ stroke:var(--bad); }
.timer.is-low .timer__num{ color:var(--bad); }
.timer.is-low{ animation:pulse .7s ease-in-out infinite; }
@keyframes pulse{ 50%{ transform:scale(1.12); } }

.progress{ height:6px; background:var(--panel); border-radius:999px; overflow:hidden; }
.progress__fill{ height:100%; width:0; border-radius:999px;
  background:linear-gradient(90deg, var(--amber), var(--orange));
  transition:width .5s var(--ease); box-shadow:0 0 12px rgba(255,59,30,.6); }

.score-pips{ display:flex; flex-wrap:wrap; gap:5px; margin-top:12px; }
.pip{ width:9px; height:9px; border-radius:50%; background:var(--panel-2);
  border:1px solid var(--line); transition:background .3s, transform .3s, border-color .3s; }
.pip.is-good{ background:var(--good); border-color:var(--good); box-shadow:0 0 8px rgba(54,224,160,.7); transform:scale(1.15); }
.pip.is-bad{ background:var(--bad); border-color:var(--bad); transform:scale(1.05); }

.quiz-body{ margin-top:26px; }
.question{ font-size:clamp(1.3rem, 5.2vw, 1.78rem); font-weight:800; line-height:1.25;
  letter-spacing:-.01em; }

.answers{ margin-top:22px; display:grid; gap:11px; }
.answer{ position:relative; display:flex; align-items:center; gap:14px; width:100%; text-align:left;
  background:var(--panel); border:1.5px solid var(--line); border-radius:var(--radius-sm);
  padding:15px 16px; color:var(--text); font-size:1rem; font-weight:500; cursor:pointer;
  transition:transform .2s var(--ease), border-color .2s, background .25s, box-shadow .25s;
  animation:ansIn .5s var(--ease) both; }
.answer:nth-child(1){ animation-delay:.05s; }
.answer:nth-child(2){ animation-delay:.12s; }
.answer:nth-child(3){ animation-delay:.19s; }
.answer:nth-child(4){ animation-delay:.26s; }
@keyframes ansIn{ from{ opacity:0; transform:translateX(-16px); } to{ opacity:1; transform:none; } }
.answer:hover:not(:disabled){ transform:translateX(6px); border-color:var(--orange);
  box-shadow:-6px 0 0 -2px var(--orange); }
.answer__key{ flex:none; width:30px; height:30px; border-radius:8px; display:grid; place-items:center;
  background:var(--panel-2); border:1px solid var(--line); font-weight:800; font-size:.9rem; color:var(--muted);
  transition:background .25s, color .25s, border-color .25s; }
.answer__txt{ flex:1; }
.answer__mark{ flex:none; width:22px; height:22px; opacity:0; transition:opacity .25s; }
.answer:disabled{ cursor:default; }

.answer.is-correct{ border-color:var(--good); background:rgba(54,224,160,.1);
  box-shadow:-6px 0 0 -2px var(--good); }
.answer.is-correct .answer__key{ background:var(--good); color:#04130d; border-color:var(--good); }
.answer.is-correct .answer__mark{ opacity:1; color:var(--good); }
.answer.is-wrong{ border-color:var(--bad); background:rgba(255,45,85,.09);
  box-shadow:-6px 0 0 -2px var(--bad); animation:shake .4s var(--ease); }
.answer.is-wrong .answer__key{ background:var(--bad); color:#fff; border-color:var(--bad); }
.answer.is-wrong .answer__mark{ opacity:1; color:var(--bad); }
.answer.is-dim{ opacity:.45; }
@keyframes shake{ 0%,100%{transform:translateX(0)} 20%{transform:translateX(-8px)} 40%{transform:translateX(7px)} 60%{transform:translateX(-5px)} 80%{transform:translateX(3px)} }

.feedback{ margin-top:18px; max-height:0; opacity:0; overflow:hidden;
  border-radius:var(--radius-sm); transition:max-height .45s var(--ease), opacity .35s, padding .3s;
  padding:0 16px; background:var(--panel); border:1px solid transparent; }
.feedback.is-show{ max-height:260px; opacity:1; padding:15px 16px; border-color:var(--line); }
.feedback__verdict{ font-weight:800; font-size:1.02rem; margin-bottom:4px; }
.feedback__verdict.ok{ color:var(--good); }
.feedback__verdict.ko{ color:var(--bad); }
.feedback__explain{ color:var(--muted); font-size:.92rem; }

.quiz-foot{ margin-top:22px; display:flex; justify-content:flex-end; }
.quiz-foot .btn{ min-width:150px; }

/* ---------------- Écran résultat ---------------- */
.result{ text-align:center; }
.result__kicker{ text-transform:uppercase; letter-spacing:.4em; font-size:.74rem;
  color:var(--orange); font-weight:700; }
.result__scorewrap{ margin:8px 0 2px; display:flex; align-items:baseline; justify-content:center; gap:8px; }
.result__score{ font-family:'Archivo Black',sans-serif; font-size:clamp(4.5rem,22vw,8rem); line-height:1;
  color:var(--text); text-shadow:0 0 50px rgba(255,59,30,.45); }
.result__total{ font-size:1.6rem; font-weight:800; color:var(--muted); }
.result__rank{ font-family:'Archivo Black',sans-serif; font-size:clamp(1.5rem,7vw,2.6rem);
  margin-top:6px; color:var(--orange); }
.result__msg{ color:var(--muted); margin-top:12px; max-width:440px; margin-inline:auto; }

.result__bars{ margin:26px auto 4px; max-width:420px; }
.rbar__label{ display:block; text-align:left; font-size:.8rem; color:var(--muted); margin-bottom:6px; }
.rbar__track{ height:12px; background:var(--panel); border-radius:999px; overflow:hidden; }
.rbar__fill{ height:100%; width:0; border-radius:999px;
  background:linear-gradient(90deg, var(--amber), var(--orange));
  transition:width 1.1s var(--ease) .2s; box-shadow:0 0 12px rgba(255,59,30,.6); }
.result__best{ margin-top:14px; color:var(--muted-2); font-size:.88rem; }
.result__best strong{ color:var(--amber); }
.result__best .new{ color:var(--good); font-weight:800; }

.result__actions{ margin-top:30px; display:flex; gap:12px; justify-content:center; flex-wrap:wrap; }

/* ---------------- Pied de page ---------------- */
.site-foot{ text-align:center; padding:18px; color:var(--muted-2); font-size:.74rem; }

/* ---------------- Confetti / particules ---------------- */
.spark{ position:fixed; top:0; left:0; width:9px; height:9px; pointer-events:none; z-index:30;
  border-radius:2px; will-change:transform, opacity; }

/* ---------------- Responsive ---------------- */
@media (max-width:520px){
  .modes{ grid-template-columns:1fr; }
  .result__actions{ flex-direction:column; }
  .result__actions .btn{ width:100%; }
  .quiz-foot .btn{ width:100%; }
}

/* ---------------- Accessibilité : motion réduit ---------------- */
@media (prefers-reduced-motion:reduce){
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important;
     transition-duration:.05ms !important; }
  .bg-glow, .bg-grain, .timer.is-low{ animation:none !important; }
}

:focus-visible{ outline:2px solid var(--amber); outline-offset:3px; border-radius:6px; }