/* ========== Clair — design tokens ========== */
:root{
  --bg:#0a0e17; --bg-2:#0e1422; --surface:#131a2b; --surface-2:#1a2338;
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.14);
  --txt:#eef2ff; --txt-2:#a8b3cf; --txt-3:#6b7793;
  --brand:#7c5cff; --brand-2:#22d3ee; --ok:#34d399; --warn:#fbbf24; --bad:#f87171;
  --grad:linear-gradient(135deg,#7c5cff,#22d3ee);
  --r-s:12px; --r-m:18px; --r-l:26px; --r-xl:34px;
  --sp:16px;
  --shadow:0 18px 40px -18px rgba(0,0,0,.85);
  --tab-h:calc(62px + env(safe-area-inset-bottom));
  --ease:cubic-bezier(.22,1,.36,1);
}
:root[data-theme="light"]{
  --bg:#f6f7fb; --bg-2:#eef1f8; --surface:#ffffff; --surface-2:#f2f5fb;
  --line:rgba(10,14,23,.09); --line-2:rgba(10,14,23,.16);
  --txt:#0d1526; --txt-2:#4d5871; --txt-3:#8994ab;
  --shadow:0 14px 34px -20px rgba(13,21,38,.35);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font:400 16px/1.5 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Inter,Roboto,sans-serif;
  overscroll-behavior-y:none;-webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(120% 60% at 50% -10%,rgba(124,92,255,.20),transparent 60%),
             radial-gradient(90% 50% at 90% 10%,rgba(34,211,238,.10),transparent 60%);
}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.02em}
h1{font-size:26px;font-weight:700}
h2{font-size:19px;font-weight:650}
h3{font-size:16px;font-weight:600}
p{margin:0}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
/* toute icône inline reçoit une taille : sans cela un SVG sans attributs s'étire à l'infini */
svg{flex:none}
button>svg,.btn svg,.chip svg,.tip .ic svg,.step svg{width:19px;height:19px}
.iconbtn svg{width:20px;height:20px}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}

/* ========== Layout ========== */
.app{position:relative;z-index:1;min-height:100%;display:flex;flex-direction:column}
.topbar{
  position:sticky;top:0;z-index:20;padding:calc(env(safe-area-inset-top) + 12px) var(--sp) 10px;
  display:flex;align-items:center;gap:12px;
  background:linear-gradient(var(--bg) 70%,transparent);
}
.topbar .tb-t{font-size:20px;font-weight:700;letter-spacing:-.03em}
.topbar .tb-s{font-size:12.5px;color:var(--txt-2);margin-top:1px}
.topbar .grow{flex:1}
.view{flex:1;padding:0 var(--sp) calc(var(--tab-h) + 28px);max-width:620px;margin:0 auto;width:100%}
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:30;height:var(--tab-h);
  padding-bottom:env(safe-area-inset-bottom);
  display:grid;grid-template-columns:repeat(4,1fr);
  background:color-mix(in srgb,var(--bg) 82%,transparent);
  backdrop-filter:saturate(160%) blur(18px);-webkit-backdrop-filter:saturate(160%) blur(18px);
  border-top:1px solid var(--line);
}
.tabbar button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--txt-3);font-size:10.5px;font-weight:550;letter-spacing:.01em}
.tabbar button svg{width:23px;height:23px;stroke-width:1.9}
.tabbar button[aria-current="page"]{color:var(--txt)}
.tabbar button[aria-current="page"] svg{stroke:url(#tabgrad);color:var(--brand-2)}

/* ========== Primitives ========== */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);padding:16px}
.card.pad-l{padding:20px}
.stack{display:flex;flex-direction:column}
.stack.g8{gap:8px}.stack.g12{gap:12px}.stack.g16{gap:16px}.stack.g24{gap:24px}
.row{display:flex;align-items:center;gap:12px}
.wrap{flex-wrap:wrap}
.grow{flex:1;min-width:0}
.muted{color:var(--txt-2)}.dim{color:var(--txt-3)}
.tiny{font-size:12px}.small{font-size:13.5px}
.sect-h{display:flex;align-items:baseline;gap:10px;margin:26px 2px 10px}
.sect-h h2{flex:1}
.sect-h a,.sect-h button{font-size:13px;color:var(--brand-2);font-weight:550}
.center{text-align:center}
.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 20px;border-radius:999px;font-weight:600;font-size:15.5px;
  background:var(--surface-2);border:1px solid var(--line-2);
  transition:transform .16s var(--ease),opacity .2s;
}
.btn:active{transform:scale(.965)}
.btn[disabled]{opacity:.4;pointer-events:none}
.btn-primary{background:var(--grad);color:#08111d;border:0;box-shadow:0 10px 26px -12px rgba(124,92,255,.9)}
.btn-ghost{background:transparent;border:1px solid var(--line-2)}
.btn-danger{background:rgba(248,113,113,.14);border-color:rgba(248,113,113,.35);color:#fecaca}
.btn-block{width:100%}
.btn-sm{padding:9px 14px;font-size:13.5px}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:6px 11px;border-radius:999px;
  background:var(--surface-2);border:1px solid var(--line);font-size:12px;font-weight:550;color:var(--txt-2)
}
.chip.on{background:color-mix(in srgb,var(--brand) 22%,transparent);border-color:color-mix(in srgb,var(--brand) 45%,transparent);color:var(--txt)}
.chip.ok{color:#a7f3d0;background:rgba(52,211,153,.13);border-color:rgba(52,211,153,.3)}
.chip.warn{color:#fde68a;background:rgba(251,191,36,.13);border-color:rgba(251,191,36,.3)}
.chip.bad{color:#fecaca;background:rgba(248,113,113,.13);border-color:rgba(248,113,113,.3)}

.bar{display:block;height:8px;border-radius:999px;background:var(--surface-2);overflow:hidden}
.bar>i{display:block;height:100%;border-radius:999px;background:var(--grad);transition:width .5s var(--ease)}

/* ========== Home ========== */
.hero{
  border-radius:var(--r-xl);padding:20px;position:relative;overflow:hidden;
  background:linear-gradient(150deg,rgba(124,92,255,.24),rgba(34,211,238,.10) 60%,transparent),var(--surface);
  border:1px solid var(--line-2);box-shadow:var(--shadow)
}
.hero .lvl{font-size:12px;font-weight:650;letter-spacing:.08em;text-transform:uppercase;color:var(--brand-2)}
.hero .big{font-size:30px;font-weight:750;letter-spacing:-.035em;margin:4px 0 2px}
.ring-wrap{position:relative;width:78px;height:78px;flex:none}
.ring-wrap .val{position:absolute;inset:0;display:grid;place-items:center;font-size:19px;font-weight:700}
.ring-wrap .val small{display:block;font-size:9px;font-weight:600;color:var(--txt-3);letter-spacing:.06em}

.streak{display:flex;gap:6px}
.streak i{flex:1;height:34px;border-radius:9px;background:var(--surface-2);display:grid;place-items:center;font-size:10px;color:var(--txt-3);font-style:normal;border:1px solid transparent}
.streak i.done{background:color-mix(in srgb,var(--brand) 26%,transparent);color:var(--txt);border-color:color-mix(in srgb,var(--brand) 40%,transparent)}
.streak i.today{border-color:var(--brand-2)}

.tile{
  display:flex;gap:13px;align-items:center;width:100%;text-align:left;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);padding:14px;
  transition:transform .16s var(--ease),border-color .2s
}
.tile:active{transform:scale(.985)}
.tile .ico{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;flex:none;background:var(--surface-2)}
.tile .ico svg{width:22px;height:22px}
.tile .t{display:block;font-weight:600;font-size:15px}
.tile .s{display:block;font-size:12.5px;color:var(--txt-2);margin-top:2px;line-height:1.35}
.tile .go{color:var(--txt-3);flex:none}
.tile.locked{opacity:.5}
.tile.done .ico{background:rgba(52,211,153,.16);color:#6ee7b7}

.hscroll{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding:2px 0 6px;margin:0 calc(var(--sp)*-1);padding-left:var(--sp);padding-right:var(--sp);scrollbar-width:none}
.hscroll::-webkit-scrollbar{display:none}
.hscroll>*{scroll-snap-align:start;flex:0 0 auto}

/* ========== Stage (exercice plein écran) ========== */
/* `display:flex` prend le pas sur l'attribut `hidden` : il faut le neutraliser explicitement */
.stage[hidden],.toasts[hidden]{display:none!important}
.stage{
  position:fixed;inset:0;z-index:60;background:var(--bg);
  display:flex;flex-direction:column;
  padding:calc(env(safe-area-inset-top) + 10px) var(--sp) calc(env(safe-area-inset-bottom) + 16px);
  animation:stageIn .32s var(--ease)
}
@keyframes stageIn{from{opacity:0;transform:translateY(14px) scale(.99)}to{opacity:1;transform:none}}
.stage::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(100% 55% at 50% 0%,rgba(124,92,255,.18),transparent 65%)}
.stage>*{position:relative}
.stage-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.stage-head .st{font-size:15px;font-weight:650}
.stage-head .ss{font-size:11.5px;color:var(--txt-3)}
.iconbtn{width:38px;height:38px;border-radius:999px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);flex:none}
.stage-body{flex:1;display:flex;flex-direction:column;gap:16px;overflow-y:auto;padding:4px 0;-webkit-overflow-scrolling:touch}
.stage-foot{padding-top:12px;display:flex;flex-direction:column;gap:10px}

.viz{position:relative;width:100%;aspect-ratio:1;max-width:250px;margin:0 auto;display:grid;place-items:center}
.viz canvas{position:absolute;inset:0;width:100%;height:100%}
.viz .cta{position:relative;text-align:center}
.viz .cta .n{font-size:40px;font-weight:750;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.viz .cta .u{font-size:11px;color:var(--txt-3);letter-spacing:.1em;text-transform:uppercase;font-weight:600}

.script{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);padding:18px;
  font-size:20px;line-height:1.62;letter-spacing:-.01em
}
.script.lg{font-size:24px;font-weight:550}
.script .w{transition:color .2s,background .2s;border-radius:4px}
.script .w.hit{color:var(--txt)}
.script .w.miss{color:#fca5a5;background:rgba(248,113,113,.12)}
.script .w.pend{color:var(--txt-3)}
.script .w.cur{background:color-mix(in srgb,var(--brand) 32%,transparent);color:#fff}
.prompter{max-height:44vh;overflow:hidden;position:relative}
.prompter .inner{transition:transform .12s linear}
.prompter::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(var(--surface),transparent 22%,transparent 78%,var(--surface))}

.transcript{font-size:14.5px;color:var(--txt-2);min-height:2.6em}
.transcript b{color:var(--txt);font-weight:500}
.transcript .interim{color:var(--txt-3);font-style:italic}

.metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.metric{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-s);padding:12px}
.metric .k{font-size:11px;color:var(--txt-3);letter-spacing:.04em;text-transform:uppercase;font-weight:600}
.metric .v{font-size:22px;font-weight:700;letter-spacing:-.02em;margin-top:3px;font-variant-numeric:tabular-nums}
.metric .v small{font-size:12px;color:var(--txt-3);font-weight:600;margin-left:2px}
.metric .h{font-size:11.5px;color:var(--txt-2);margin-top:4px}
.metric.g{border-color:rgba(52,211,153,.32)}.metric.w{border-color:rgba(251,191,36,.32)}.metric.b{border-color:rgba(248,113,113,.32)}

.gauge{height:34px;border-radius:12px;background:var(--surface-2);position:relative;overflow:hidden;border:1px solid var(--line)}
.gauge .zone{position:absolute;top:0;bottom:0;background:rgba(52,211,153,.18);border-left:1px solid rgba(52,211,153,.45);border-right:1px solid rgba(52,211,153,.45)}
.gauge .cur{position:absolute;top:0;bottom:0;width:3px;background:var(--txt);border-radius:2px;transition:left .1s linear}
.gauge .lbl{position:absolute;inset:0;display:grid;place-items:center;font-size:12px;font-weight:600;color:var(--txt-2)}

.steps{counter-reset:s}
.step{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.step:last-child{border:0}
.step .n{width:24px;height:24px;border-radius:999px;background:var(--surface-2);display:grid;place-items:center;font-size:11.5px;font-weight:700;flex:none;color:var(--txt-2)}
.step.on{background:linear-gradient(90deg,color-mix(in srgb,var(--brand) 14%,transparent),transparent);border-radius:12px;padding:12px;margin:0 -12px}
.step.on .n{background:var(--grad);color:#08111d}
.step.done .n{background:rgba(52,211,153,.2);color:#6ee7b7}

.pairs{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pair{padding:22px 10px;border-radius:var(--r-m);background:var(--surface);border:1px solid var(--line);text-align:center;font-size:22px;font-weight:650}
.pair .ipa{display:block;font-size:12px;color:var(--txt-3);font-weight:500;margin-top:5px}
.pair.target{border-color:var(--brand-2);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand-2) 20%,transparent)}
.pair.win{background:rgba(52,211,153,.16);border-color:rgba(52,211,153,.5)}
.pair.lose{background:rgba(248,113,113,.14);border-color:rgba(248,113,113,.5)}

/* Résultats */
.result-hero{text-align:center;padding:10px 0 4px}
.result-hero .score{font-size:62px;font-weight:800;letter-spacing:-.05em;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.result-hero .lbl{font-size:13px;color:var(--txt-2);margin-top:6px;font-weight:550}
.tip{display:flex;gap:11px;padding:13px;border-radius:var(--r-s);background:var(--surface);border:1px solid var(--line);font-size:14px;line-height:1.45}
.tip .ic{flex:none;width:22px;height:22px;display:grid;place-items:center}
.tip.good{border-color:rgba(52,211,153,.3)}
.tip.work{border-color:rgba(251,191,36,.3)}
.xp-pop{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border-radius:999px;background:color-mix(in srgb,var(--brand) 25%,transparent);font-weight:650;font-size:13.5px}

/* Progression */
.radar{width:100%;max-width:320px;margin:0 auto;display:block}
.skill-row{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.skill-row:last-child{border:0}
.skill-row .nm{width:96px;font-size:13.5px;font-weight:550;flex:none}
.skill-row .num{width:34px;text-align:right;font-weight:700;font-variant-numeric:tabular-nums;font-size:14px}
.spark{width:100%;height:56px;display:block;overflow:visible}
.hist-item{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.hist-item:last-child{border:0}
.hist-item .sc{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;font-weight:700;font-size:15px;flex:none;background:var(--surface-2)}
.badges{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:10px}
.badge{padding:13px 8px;border-radius:var(--r-m);background:var(--surface);border:1px solid var(--line);text-align:center}
.badge .e{font-size:24px;line-height:1}
.badge .n{font-size:11px;margin-top:6px;font-weight:600;line-height:1.25}
.badge.off{opacity:.32;filter:grayscale(1)}

/* Divers */
.seg{display:flex;gap:4px;padding:4px;background:var(--surface-2);border-radius:999px;border:1px solid var(--line)}
.seg button{flex:1;padding:9px 6px;border-radius:999px;font-size:13px;font-weight:600;color:var(--txt-2)}
.seg button[aria-selected="true"]{background:var(--surface);color:var(--txt);box-shadow:0 2px 8px -4px rgba(0,0,0,.6)}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:12.5px;color:var(--txt-2);font-weight:550}
.field input[type=text],.field input[type=number],.field textarea,.field select{
  background:var(--surface-2);border:1px solid var(--line-2);border-radius:12px;padding:13px 14px;width:100%
}
.field textarea{min-height:130px;resize:vertical;line-height:1.55}
input[type=range]{width:100%;accent-color:var(--brand)}
.switch{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 0;border-bottom:1px solid var(--line)}
.switch:last-child{border:0}
.switch .tg{width:50px;height:30px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line-2);position:relative;flex:none;transition:background .2s}
.switch .tg::after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:999px;background:var(--txt-2);transition:transform .22s var(--ease),background .2s}
.switch .tg[aria-checked="true"]{background:var(--grad);border-color:transparent}
.switch .tg[aria-checked="true"]::after{transform:translateX(20px);background:#0a0e17}

.toasts{position:fixed;left:0;right:0;bottom:calc(var(--tab-h) + 12px);z-index:90;display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none;padding:0 var(--sp)}
.toast{background:var(--surface-2);border:1px solid var(--line-2);border-radius:999px;padding:11px 18px;font-size:13.5px;font-weight:550;box-shadow:var(--shadow);animation:toastIn .3s var(--ease)}
@keyframes toastIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

.banner{display:flex;gap:11px;padding:13px 14px;border-radius:var(--r-s);background:rgba(251,191,36,.1);border:1px solid rgba(251,191,36,.28);font-size:13px;line-height:1.45;color:#fde68a}
.empty{text-align:center;padding:40px 16px;color:var(--txt-3)}
.empty .e{font-size:34px}
.sep{height:1px;background:var(--line);margin:4px 0}
.pulse{animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}
@media (min-width:560px){ .metrics{grid-template-columns:repeat(3,1fr)} }