:root{
  --bg:#fbf3e9; --bg2:#f4e6d4; --ink:#2a1d16; --muted:#8a7563;
  --card:#fffdfa; --line:#ecdcc7;
  --red:#c1432b; --red-d:#a3331e; --gold:#e0a02e; --green:#2f8f5b; --green-bg:#e7f4ec;
  --bad:#c1432b; --bad-bg:#fbe9e4;
  --shadow:0 10px 30px rgba(80,40,20,.12);
  --radius:20px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%}
body{
  font-family:'Inter',system-ui,sans-serif;color:var(--ink);
  background:radial-gradient(1200px 600px at 50% -10%,var(--bg2),var(--bg));
  min-height:100dvh;overflow-x:hidden;
}
.hidden{display:none!important}
h1,h2,.brand,.score-center span,.verdict{font-family:'Fraunces',serif}

/* ---------- LOGIN ---------- */
.login{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px}
.login-card{
  background:var(--card);border:1px solid var(--line);border-radius:28px;
  box-shadow:var(--shadow);padding:38px 28px;max-width:380px;width:100%;text-align:center;
  animation:rise .5s ease both;
}
.flag{font-size:46px;line-height:1}
.login-card h1{font-size:30px;margin:.4em 0 .1em}
.login-card h1 span{color:var(--red);display:block;font-size:.7em}
.sub{color:var(--muted);margin:.2em 0 1.6em;font-size:15px}
#login-form{display:flex;flex-direction:column;gap:12px}
input{
  font:inherit;font-size:16px;padding:14px 16px;border:1.5px solid var(--line);
  border-radius:14px;background:#fff;width:100%;transition:border-color .15s;
}
input:focus{outline:none;border-color:var(--red)}
button{font:inherit;cursor:pointer;border:none;font-weight:600}
button.primary,#login-form button{
  background:var(--red);color:#fff;padding:14px;border-radius:14px;font-size:16px;
  transition:transform .08s,background .15s;
}
button.primary:active,#login-form button:active{transform:scale(.97)}
button.primary:hover{background:var(--red-d)}
button.primary:disabled{opacity:.4;cursor:default}
.err{color:var(--bad);font-size:14px;margin-top:10px}

/* ---------- APP ---------- */
#app{max-width:620px;margin:0 auto;padding:0 16px env(safe-area-inset-bottom);min-height:100dvh}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 4px 14px;position:sticky;top:0;z-index:5;
  background:linear-gradient(var(--bg),rgba(251,243,233,.85));backdrop-filter:blur(6px);
}
.brand{font-size:20px;font-weight:700}
.brand span{color:var(--red)}
.lvl{
  background:var(--ink);color:#fff;font-weight:700;font-size:13px;letter-spacing:.04em;
  padding:6px 12px;border-radius:999px;
}
.screen{animation:fade .35s ease both}

/* focus + progress */
.focus-bar{display:flex;flex-direction:column;gap:2px;margin:6px 2px 14px}
.focus-label{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--gold);font-weight:700}
.focus-text{font-size:15px;color:var(--muted);font-weight:500}
.progress{height:7px;background:var(--line);border-radius:999px;overflow:hidden;margin:0 2px 18px}
.progress-fill{height:100%;width:0;background:linear-gradient(90deg,var(--gold),var(--red));border-radius:999px;transition:width .35s ease}

/* card */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:24px 22px;animation:slide .3s ease both;
}
.card .topic{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--red);font-weight:700;margin-bottom:10px}
.card .instruction{font-size:19px;line-height:1.45;font-weight:600;margin:0 0 4px}
.card .sentence{font-size:22px;font-family:'Fraunces',serif;margin:16px 0 4px;color:var(--ink);line-height:1.4}
.card .sentence .blank{color:var(--red);font-weight:700}
.card .prompt-fr{font-size:20px;font-style:italic;color:var(--muted);margin:14px 0 4px}

.choices{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.choice{
  text-align:left;background:#fff;border:1.5px solid var(--line);border-radius:14px;
  padding:15px 16px;font-size:17px;font-weight:500;color:var(--ink);
  transition:border-color .12s,background .12s,transform .08s;display:flex;align-items:center;gap:12px;
}
.choice:active{transform:scale(.98)}
.choice .dot{width:20px;height:20px;border-radius:50%;border:2px solid var(--line);flex:none;transition:.12s}
.choice.sel{border-color:var(--red);background:var(--bad-bg)}
.choice.sel .dot{border-color:var(--red);background:var(--red);box-shadow:inset 0 0 0 3px #fff}

.answer-input{margin-top:18px}
.answer-input input{font-size:19px;text-align:center}

/* nav */
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:22px 2px 28px}
.counter{font-size:14px;color:var(--muted);font-weight:600}
button.ghost{background:transparent;color:var(--muted);padding:12px 14px;border-radius:12px;font-size:15px}
button.ghost:disabled{opacity:.3}
.nav .primary{padding:13px 22px;border-radius:12px}

/* ---------- RÉSULTATS ---------- */
#results{display:flex;flex-direction:column;align-items:center;padding-top:8px}
.score-hero{position:relative;width:160px;height:160px;margin:10px 0 6px}
.ring{width:100%;height:100%;transform:rotate(-90deg)}
.ring-bg{fill:none;stroke:var(--line);stroke-width:9}
.ring-fg{fill:none;stroke:url(#g);stroke:var(--green);stroke-width:9;stroke-linecap:round;
  stroke-dasharray:327;stroke-dashoffset:327;transition:stroke-dashoffset 1s ease}
.score-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.score-center span{font-size:38px;font-weight:700}
.score-center small{color:var(--muted);font-size:14px;font-weight:600}
.verdict{font-size:24px;margin:.2em 0 1em;text-align:center}
.corrections{width:100%;display:flex;flex-direction:column;gap:12px;margin-bottom:24px}
.corr{
  background:var(--card);border:1px solid var(--line);border-left:5px solid var(--green);
  border-radius:14px;padding:14px 16px;animation:fade .4s both;
}
.corr.ko{border-left-color:var(--bad)}
.corr .ch{display:flex;align-items:center;gap:8px;font-weight:600;font-size:14px;color:var(--green)}
.corr.ko .ch{color:var(--bad)}
.corr .q{font-size:15px;margin:6px 0 8px;color:var(--ink)}
.corr .line{font-size:14px;color:var(--muted);margin:2px 0}
.corr .line b{color:var(--ink)}
.corr .ok-val{color:var(--green);font-weight:700}
.corr .ko-val{color:var(--bad);font-weight:700;text-decoration:line-through}
.corr .expl{font-size:13.5px;color:var(--muted);margin-top:8px;line-height:1.5;font-style:italic}
.corr .minor{font-size:12px;color:var(--gold);font-weight:700;margin-top:6px}
button.big{width:100%;padding:16px;font-size:17px;border-radius:16px}
button.link{background:none;color:var(--muted);font-weight:500;font-size:14px;margin-top:14px;text-decoration:underline}

/* ---------- LOADER ---------- */
.loader{min-height:70dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:8px}
.spinner{width:54px;height:54px;border-radius:50%;border:5px solid var(--line);border-top-color:var(--red);animation:spin 1s linear infinite;margin-bottom:14px}
.loader-title{font-size:20px;font-weight:700}
.loader-sub{color:var(--muted);font-size:14px;max-width:280px}

/* ---------- anim ---------- */
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes slide{from{opacity:0;transform:translateX(18px)}to{opacity:1;transform:none}}

@media(min-width:560px){
  .card .instruction{font-size:21px}
}

/* ---------- topbar back ---------- */
.back{background:transparent;color:var(--ink);font-size:22px;line-height:1;padding:4px 8px;border-radius:10px;font-weight:700}
.back:active{background:var(--line)}

/* ---------- ACCUEIL ---------- */
.home{padding-top:10px}
.home-greet{font-family:'Fraunces',serif;font-size:22px;margin:6px 2px 18px}
.mode-card{
  width:100%;display:flex;align-items:center;gap:16px;text-align:left;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:20px 18px;margin-bottom:14px;
  transition:transform .08s,border-color .15s;animation:rise .4s both;
}
.mode-card:active{transform:scale(.985)}
.mode-card:hover{border-color:var(--red)}
.mode-emoji{font-size:34px;flex:none}
.mode-txt{display:flex;flex-direction:column;gap:3px;flex:1}
.mt-h{font-family:'Fraunces',serif;font-size:19px;font-weight:700}
.mt-p{font-size:13.5px;color:var(--muted);line-height:1.4}
.mode-arrow{color:var(--red);font-size:22px;font-weight:700;flex:none}

/* ---------- CONJ SETUP ---------- */
.sec-title{font-family:'Fraunces',serif;font-size:26px;margin:8px 2px 2px}
.sec-sub{color:var(--muted);font-size:14px;margin:0 2px 20px}
.field{margin-bottom:22px}
.field>label{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--gold);font-weight:700;margin:0 2px 10px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  background:#fff;border:1.5px solid var(--line);border-radius:999px;padding:9px 14px;
  font-size:14px;font-weight:600;color:var(--muted);transition:.12s;
}
.chip.on{background:var(--red);border-color:var(--red);color:#fff}
.chip-actions{display:flex;gap:8px;margin-top:12px}
.mini{background:transparent;color:var(--muted);font-size:13px;text-decoration:underline;padding:4px 2px}
.seg{display:flex;background:var(--line);border-radius:14px;padding:4px;gap:4px}
.seg button{flex:1;background:transparent;color:var(--muted);padding:11px 6px;border-radius:11px;font-size:14px;font-weight:600;transition:.12s}
.seg button.on{background:#fff;color:var(--ink);box-shadow:0 2px 6px rgba(80,40,20,.1)}

/* ---------- CONJ PRACTICE ---------- */
.conj-stats{display:flex;justify-content:space-between;align-items:center;margin:6px 2px 16px;font-weight:700}
.streak{color:var(--red);font-size:18px}
.cc{color:var(--muted);font-size:14px}
.conj-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:26px 22px;animation:slide .25s ease both;text-align:center;
}
.conj-verb{font-family:'Fraunces',serif;font-size:32px;font-weight:700}
.conj-fr{color:var(--muted);font-size:15px;margin-top:2px}
.conj-tags{margin-top:10px}
.tag{display:inline-block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;
  background:var(--bg2);color:var(--muted);border-radius:999px;padding:4px 10px;margin:0 3px}
.tag.irreg{background:#f6e2dd;color:var(--red)}
.conj-ask{margin:22px 0 6px;font-size:16px;color:var(--ink)}
.conj-ask b{color:var(--red)}
.conj-tense{font-family:'Fraunces',serif;font-size:22px;margin:2px 0 18px}
.conj-pronoun{font-size:19px;font-weight:700;margin-bottom:6px}
.conj-card input{font-size:21px;text-align:center}
.conj-feedback{margin-top:18px;animation:fade .3s both}
.fb-line{font-size:20px;font-weight:700}
.fb-ok{color:var(--green)}.fb-ko{color:var(--bad)}
.fb-exp{font-size:17px;margin-top:6px}
.fb-exp .sol{color:var(--green);font-weight:700;font-family:'Fraunces',serif}
.fb-minor{font-size:12px;color:var(--gold);font-weight:700;margin-top:6px}
.table-toggle{background:transparent;color:var(--muted);font-size:13px;text-decoration:underline;margin-top:14px}
.conj-table{margin-top:14px;text-align:left;border-top:1px solid var(--line);padding-top:12px;animation:fade .3s both}
.conj-table .row{display:flex;justify-content:space-between;gap:12px;font-size:15px;padding:5px 2px;border-bottom:1px dashed var(--line)}
.conj-table .row .p{color:var(--muted)}
.conj-table .row .f{font-weight:600}
.conj-table .row.hl .f{color:var(--red)}
.conj-extra{font-size:13px;color:var(--muted);margin-top:10px;text-align:center}

/* ---------- skip + tendance ---------- */
.skip{display:block;margin:14px auto 0;color:var(--muted);font-size:13.5px;text-decoration:underline}
.skip:active{color:var(--red)}
.trend-line{font-size:13.5px;color:var(--muted);margin:-6px 0 18px;text-align:center;font-weight:600}
.corr.skip-c{border-left-color:var(--gold)}
.corr.skip-c .ch{color:var(--gold)}
.corr.acc{border-left-color:#3a7bd5}
.corr.acc .ch{color:#3a7bd5}
.acc-note{font-size:13px;color:#3a7bd5;font-weight:600;margin-top:6px}