/* ============================================================================
   Scrollingua — « midnight arcade »
   Feed vertical façon Reels pour apprendre une langue.
   Constante de marque : rose #FF4D6D (flamme, CTA). Le reste du chrome
   « porte » la couleur de la langue en cours (--lang), injectée en inline.
   Police : Space Grotesk, auto-hébergée.
   ========================================================================== */

/* ── Fonts (self-hosted) ─────────────────────────────────────────────────── */
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:400;font-display:swap;
  src:url("/static/fonts/space-grotesk-400.1a806675790e.woff2") format("woff2"),
      url("/static/fonts/space-grotesk-ext-400.37ae4b338c5a.woff2") format("woff2")}
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:500;font-display:swap;
  src:url("/static/fonts/space-grotesk-500.ab4861869c91.woff2") format("woff2")}
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:700;font-display:swap;
  src:url("/static/fonts/space-grotesk-700.f9e147a59a93.woff2") format("woff2"),
      url("/static/fonts/space-grotesk-ext-700.a3fe6f980acc.woff2") format("woff2")}

/* ── Tokens ──────────────────────────────────────────────────────────────── */
:root{
  --void:#0d0d12; --void-2:#14141c;
  --surface:#1a1a23; --surface-2:#23232f; --surface-3:#2c2c3a;
  --ink:#f4f4f8; --ink-dim:#a2a2b2; --ink-faint:#6b6b7c;
  --rose:#ff4d6d; --rose-deep:#d63a56; --rose-glow:rgba(255,77,109,.35);
  --ok:#35d0a5; --miss:#ff6b6b;
  --lang:#ff4d6d;                 /* couleur de la langue en cours (fallback rose) */
  --lang-soft:rgba(255,77,109,.14);
  --r-card:26px; --r-btn:16px; --r-chip:999px;
  --shadow-card:0 24px 70px -24px rgba(0,0,0,.8), 0 6px 20px -10px rgba(0,0,0,.6);
  --maxw:520px;
  --font:"Space Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font); color:var(--ink);
  background:
    radial-gradient(120% 80% at 50% -10%, #191922 0%, var(--void) 55%, #09090d 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  min-height:100dvh;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--rose);outline-offset:2px;border-radius:8px}

/* ── Utility ─────────────────────────────────────────────────────────────── */
[x-cloak]{display:none!important}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.eyebrow{font-size:.7rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint)}
.muted{color:var(--ink-dim)}
.center{text-align:center}

/* ── Boutons ─────────────────────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  border:0;cursor:pointer;font-weight:700;font-size:1rem;line-height:1;
  padding:16px 22px;border-radius:var(--r-btn);transition:transform .12s ease,filter .18s ease;
  color:#fff;background:var(--rose)}
.btn:hover{filter:brightness(1.06)}
.btn:active{transform:translateY(1px) scale(.99)}
.btn--rose{background:linear-gradient(180deg,#ff5f7c,var(--rose));box-shadow:0 10px 30px -12px var(--rose-glow)}
.btn--ghost{background:var(--surface-2);color:var(--ink)}
.btn--lang{background:var(--lang);box-shadow:0 10px 30px -14px color-mix(in srgb,var(--lang) 60%,transparent)}
.btn--full{width:100%}
.btn--lg{padding:18px 26px;font-size:1.08rem}
.btn--sm{padding:11px 15px;font-size:.85rem;border-radius:12px}

/* ============================================================================
   FEED
   ========================================================================== */
.feed{min-height:100dvh;display:flex;flex-direction:column;max-width:var(--maxw);margin:0 auto;
  --lang-soft:color-mix(in srgb,var(--lang) 15%,transparent)}

/* Barre du haut : streak + jour + langue */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:12px;
  padding:14px 20px calc(14px + env(safe-area-inset-top,0));
  background:linear-gradient(180deg,rgba(13,13,18,.96),rgba(13,13,18,.55) 70%,transparent);
  backdrop-filter:blur(8px)}
.combo{display:flex;align-items:baseline;gap:7px;font-weight:700}
.combo__flame{font-size:1.35rem;line-height:1;filter:drop-shadow(0 0 10px var(--rose-glow))}
.combo__val{font-size:1.6rem;line-height:1;letter-spacing:-.02em;
  color:var(--rose);font-variant-numeric:tabular-nums;min-width:1ch}
.combo__lbl{font-size:.66rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint)}
/* Le « pop » à chaque bonne réponse (Taste : ease-out ~180ms, scale 1→1.08→1) */
@keyframes combo-pop{0%{transform:scale(1)}45%{transform:scale(1.14)}100%{transform:scale(1)}}
.combo--pop .combo__val,.combo--pop .combo__flame{animation:combo-pop 180ms ease-out}

.topbar__spacer{flex:1}
.daybadge{display:inline-flex;align-items:center;gap:6px;font-size:.82rem;font-weight:600;
  color:var(--ink-dim);padding:7px 11px;border-radius:var(--r-chip);background:var(--surface-2)}
.daybadge b{color:var(--ink)}
.langchip{display:inline-flex;align-items:center;gap:7px;font-weight:600;font-size:.9rem;
  padding:7px 13px 7px 10px;border-radius:var(--r-chip);
  background:var(--lang-soft);color:var(--ink)}
.langchip .flag{font-size:1.1rem}

/* Zone carte */
.stage{flex:1;display:flex;align-items:center;justify-content:center;padding:8px 20px 22px;
  position:relative}
/* Effet « deck » : deux cartes fantômes derrière l'active */
.deck{position:relative;width:100%}
.deck::before,.deck::after{content:"";position:absolute;left:6%;right:6%;height:40px;border-radius:20px;
  background:var(--surface);opacity:.5;z-index:0}
.deck::before{bottom:-10px;left:10%;right:10%;opacity:.35}
.deck::after{bottom:-4px}

/* La carte active */
.carte{position:relative;z-index:1;background:var(--surface);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);padding:30px 24px 26px;min-height:60dvh;
  display:flex;flex-direction:column}
.carte__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.carte__emoji{font-size:2.5rem;line-height:1}
.carte__type{font-size:.66rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--lang);padding:5px 10px;border-radius:var(--r-chip);background:var(--lang-soft)}
.carte__body{flex:1;display:flex;flex-direction:column;justify-content:center;gap:16px}
.carte__recto{font-size:clamp(1.4rem,5.5vw,1.9rem);font-weight:700;line-height:1.22;letter-spacing:-.01em}
.carte__verso{font-size:1.05rem;font-weight:400;line-height:1.5;color:var(--ink-dim)}
.carte__verso strong{color:var(--ink);font-weight:600}
.carte__foot{margin-top:20px}

/* Traduction/chute révélée avec un léger fondu (ease-out) */
@keyframes reveal-up{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.reveal{animation:reveal-up 220ms ease-out}

/* Quiz : options en boutons radio (jamais un <select>) */
.choix{display:flex;flex-direction:column;gap:11px;margin-top:4px}
.choix__btn{display:flex;align-items:center;gap:12px;width:100%;text-align:left;cursor:pointer;
  border:0;background:var(--surface-2);color:var(--ink);font-size:1.08rem;font-weight:500;
  padding:16px 18px;border-radius:var(--r-btn);transition:transform .1s ease,background .15s ease}
.choix__btn:hover{background:var(--surface-3)}
.choix__btn:active{transform:scale(.99)}
.choix__key{flex:none;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  font-size:.8rem;font-weight:700;background:var(--surface-3);color:var(--ink-dim)}
/* États après réponse */
.choix__btn.is-ok{background:color-mix(in srgb,var(--ok) 20%,var(--surface-2));
  box-shadow:inset 0 0 0 2px var(--ok)}
.choix__btn.is-ok .choix__key{background:var(--ok);color:#04231a}
.choix__btn.is-miss{background:color-mix(in srgb,var(--miss) 16%,var(--surface-2));
  box-shadow:inset 0 0 0 2px var(--miss);opacity:.9}
.choix__btn.is-miss .choix__key{background:var(--miss);color:#2a0606}
.choix__btn[disabled]{cursor:default}

.verdict{display:flex;align-items:center;gap:9px;font-weight:700;margin-top:2px}
.verdict.ok{color:var(--ok)}
.verdict.miss{color:var(--ink)}
.verdict small{font-weight:500;color:var(--ink-dim)}

/* Compteur de position (n / quota) */
.progress{display:flex;align-items:center;gap:10px;margin-top:14px}
.progress__bar{flex:1;height:6px;border-radius:999px;background:var(--surface-2);overflow:hidden}
.progress__fill{height:100%;border-radius:999px;background:var(--lang);transition:width .3s ease}
.progress__txt{font-size:.78rem;color:var(--ink-faint);font-variant-numeric:tabular-nums}

/* Transition de swipe entre cartes (Taste : ease-in-out, mouvement physique) */
#carte-courante{transition:transform .2s ease-in-out,opacity .2s ease-in-out}
#carte-courante.htmx-swapping{opacity:0;transform:translateY(-26px)}
#carte-courante.htmx-settling{opacity:0;transform:translateY(26px)}

/* Indice de swipe */
.swipehint{display:flex;justify-content:center;padding:2px 0 16px;color:var(--ink-faint);
  font-size:.78rem;font-weight:500;gap:6px;align-items:center}
.swipehint .arrow{animation:bob 1.6s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(4px)}}

/* Skeleton de chargement (jamais un spinner plein écran) */
.skeleton{background:var(--surface);border-radius:var(--r-card);box-shadow:var(--shadow-card);
  padding:30px 24px;min-height:60dvh}
.sk-line{height:16px;border-radius:8px;margin:14px 0;
  background:linear-gradient(90deg,var(--surface-2) 25%,var(--surface-3) 37%,var(--surface-2) 63%);
  background-size:400% 100%;animation:sk 1.3s ease infinite}
.sk-line.w40{width:40%}.sk-line.w70{width:70%}.sk-line.w90{width:90%}
.sk-emoji{width:56px;height:56px;border-radius:16px;
  background:linear-gradient(90deg,var(--surface-2) 25%,var(--surface-3) 37%,var(--surface-2) 63%);
  background-size:400% 100%;animation:sk 1.3s ease infinite}
@keyframes sk{0%{background-position:100% 0}100%{background-position:-100% 0}}

/* ── Fragments de gating (mur / fin du jour / vide / erreur) ─────────────── */
.gate{position:relative;z-index:1;background:var(--surface);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);padding:34px 26px;min-height:60dvh;
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:8px}
.gate__emoji{font-size:3rem;margin-bottom:4px}
.gate__title{font-size:1.5rem;font-weight:700;line-height:1.2}
.gate__text{color:var(--ink-dim);font-size:1.02rem;line-height:1.5;max-width:34ch}
.gate__actions{display:flex;flex-direction:column;gap:10px;width:100%;max-width:320px;margin-top:14px}
.gate__stat{display:flex;gap:20px;margin:8px 0 2px}
.gate__stat div{display:flex;flex-direction:column}
.gate__stat b{font-size:1.7rem;color:var(--rose);font-weight:700;line-height:1;font-variant-numeric:tabular-nums}
.gate__stat span{font-size:.72rem;color:var(--ink-faint);text-transform:uppercase;letter-spacing:.1em;margin-top:4px}
.langpick{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:6px}
.langpick form{margin:0}
.langpick button{display:inline-flex;align-items:center;gap:8px;padding:11px 15px;border-radius:var(--r-chip);
  border:0;cursor:pointer;background:var(--surface-2);color:var(--ink);font-weight:600;font-size:.95rem}
.langpick button:hover{background:var(--surface-3)}

/* ============================================================================
   LANDING (accueil public)
   ========================================================================== */
.nav{display:flex;align-items:center;justify-content:space-between;padding:20px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;letter-spacing:-.02em}
.brand__mark{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(150deg,#ff5f7c,var(--rose));box-shadow:0 6px 18px -8px var(--rose-glow);font-size:1rem}
.nav__links{display:flex;align-items:center;gap:8px}

.hero{padding:32px 0 40px;display:grid;gap:30px}
.hero__tag{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:600;
  color:var(--ink-dim);background:var(--surface);padding:8px 14px;border-radius:var(--r-chip);width:fit-content}
.hero__tag .dot{width:7px;height:7px;border-radius:50%;background:var(--rose);
  box-shadow:0 0 10px var(--rose)}
.hero h1{font-size:clamp(2.3rem,9vw,3.6rem);line-height:1.03;letter-spacing:-.03em;margin:0;font-weight:700}
.hero h1 .accent{color:var(--rose)}
.hero__sub{font-size:1.15rem;line-height:1.55;color:var(--ink-dim);max-width:40ch;margin:0}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.hero__note{font-size:.85rem;color:var(--ink-faint)}

/* Aperçu : pile de cartes inclinée */
.preview{position:relative;height:340px;margin:6px auto 0;max-width:300px}
.pcard{position:absolute;inset:0;background:var(--surface);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);padding:24px}
.pcard--3{transform:rotate(-8deg) translateY(14px) scale(.92);opacity:.5}
.pcard--2{transform:rotate(5deg) translateY(6px) scale(.96);opacity:.75}
.pcard--1{transform:rotate(-2deg)}
.pcard__emoji{font-size:2.2rem}
.pcard__q{font-size:1.3rem;font-weight:700;margin:16px 0 18px;line-height:1.25}
.pcard__opt{background:var(--surface-2);border-radius:12px;padding:13px 15px;margin:9px 0;font-weight:500;font-size:.98rem}
.pcard__opt.ok{box-shadow:inset 0 0 0 2px var(--ok);background:color-mix(in srgb,var(--ok) 18%,var(--surface-2))}

.langband{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.langband__item{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:var(--r-chip);
  background:var(--surface);font-weight:600;font-size:.95rem}

.steps{display:grid;gap:14px;padding:8px 0 40px}
.step{display:flex;gap:14px;align-items:flex-start;background:var(--surface);border-radius:18px;padding:18px}
.step__n{flex:none;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  font-weight:700;background:var(--lang-soft);color:var(--rose)}
.step h3{margin:0 0 4px;font-size:1.05rem}
.step p{margin:0;color:var(--ink-dim);font-size:.95rem;line-height:1.45}

.footer{padding:26px 0 40px;color:var(--ink-faint);font-size:.85rem;text-align:center}

/* ============================================================================
   AUTH + PROFIL + formulaires
   ========================================================================== */
.card-panel{background:var(--surface);border-radius:var(--r-card);box-shadow:var(--shadow-card);
  padding:30px 26px;max-width:440px;margin:26px auto}
.card-panel h1{margin:0 0 6px;font-size:1.6rem;letter-spacing:-.02em}
.card-panel .lead{color:var(--ink-dim);margin:0 0 20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.85rem;font-weight:600;color:var(--ink-dim);margin-bottom:6px}
.field input[type=text],.field input[type=email],.field input[type=password]{
  width:100%;padding:14px 15px;border-radius:12px;border:0;background:var(--surface-2);
  color:var(--ink);font-size:1rem;font-family:inherit}
.field input::placeholder{color:var(--ink-faint)}
.field .helptext,.errorlist{font-size:.8rem;margin-top:6px;color:var(--ink-faint);padding:0;list-style:none}
.errorlist{color:var(--miss)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--ink-dim);line-height:1.4}
.check input{margin-top:3px}
.altlink{margin-top:16px;font-size:.9rem;color:var(--ink-dim);text-align:center}
.altlink a{color:var(--rose);font-weight:600}

/* Bandeau premium sur le profil */
.plan{display:flex;flex-direction:column;gap:6px;padding:20px;border-radius:18px;margin:18px 0;
  background:linear-gradient(150deg,color-mix(in srgb,var(--rose) 16%,var(--surface)),var(--surface))}
.plan--free{background:var(--surface-2)}
.plan__badge{font-size:.7rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--rose)}
.plan__price{font-size:1.6rem;font-weight:700}
.plan__price small{font-size:.9rem;color:var(--ink-dim);font-weight:500}
.plan ul{margin:8px 0 0;padding-left:18px;color:var(--ink-dim);font-size:.92rem;line-height:1.6}

.statgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:18px 0}
.statbox{background:var(--surface-2);border-radius:16px;padding:16px}
.statbox b{display:block;font-size:1.8rem;font-weight:700;color:var(--rose);line-height:1;font-variant-numeric:tabular-nums}
.statbox span{font-size:.76rem;color:var(--ink-faint);text-transform:uppercase;letter-spacing:.08em;margin-top:6px;display:block}

/* Messages flash */
.flash{max-width:var(--maxw);margin:12px auto 0;padding:0 20px;display:flex;flex-direction:column;gap:8px}
.flash__item{padding:13px 16px;border-radius:12px;font-size:.92rem;font-weight:500;background:var(--surface-2)}
.flash__item.success{background:color-mix(in srgb,var(--ok) 18%,var(--surface));color:#d8fff2}
.flash__item.error{background:color-mix(in srgb,var(--miss) 18%,var(--surface));color:#ffdede}
.flash__item.info{background:var(--surface-2);color:var(--ink-dim)}

/* Notifications */
.notif{display:flex;gap:12px;padding:16px;background:var(--surface);border-radius:16px;margin-bottom:10px}
.notif.unread{box-shadow:inset 3px 0 0 var(--rose)}
.notif__emoji{font-size:1.4rem}
.notif h4{margin:0 0 3px;font-size:1rem}
.notif p{margin:0;color:var(--ink-dim);font-size:.9rem}
.notif time{font-size:.75rem;color:var(--ink-faint)}
.bell{position:relative;display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--surface-2)}
.bell__dot{position:absolute;top:8px;right:9px;min-width:16px;height:16px;padding:0 4px;border-radius:999px;
  background:var(--rose);color:#fff;font-size:.66rem;font-weight:700;display:grid;place-items:center}

/* ============================================================================
   COCKPIT founder
   ========================================================================== */
.cockpit{max-width:960px;margin:0 auto;padding:24px 20px 60px}
.cockpit__head{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.cockpit__head h1{margin:0;font-size:1.7rem;letter-spacing:-.02em}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:20px}
.kpi{background:var(--surface);border-radius:18px;padding:18px}
.kpi b{display:block;font-size:2rem;font-weight:700;line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.kpi.rose b{color:var(--rose)}
.kpi.ok b{color:var(--ok)}
.kpi span{font-size:.76rem;color:var(--ink-faint);text-transform:uppercase;letter-spacing:.08em;margin-top:8px;display:block}
.kpi small{display:block;color:var(--ink-dim);font-size:.8rem;margin-top:6px}
.panel{background:var(--surface);border-radius:20px;padding:22px;margin-bottom:16px}
.panel h2{margin:0 0 4px;font-size:1.1rem}
.panel .sub{margin:0 0 16px;color:var(--ink-faint);font-size:.85rem}
.panel canvas{width:100%!important}
.mrr-pitch{background:linear-gradient(150deg,color-mix(in srgb,var(--rose) 14%,var(--surface)),var(--surface));
  border-radius:20px;padding:22px;line-height:1.6;color:var(--ink-dim);font-size:.95rem}
.mrr-pitch h2{color:var(--ink);margin:0 0 8px}
.mrr-pitch b{color:var(--rose)}

/* ── Responsive : desktop = secondaire, on garde le feed centré et étroit ── */
@media (min-width:640px){
  .statgrid{grid-template-columns:repeat(4,1fr)}
}

/* ── Reduced motion ──────────────────────────────────────────────────────── */
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important}
  #carte-courante.htmx-swapping,#carte-courante.htmx-settling{opacity:1;transform:none}
}