:root{
  --bg:#f4f6f6;--card:#fff;--text:#1b2527;--muted:#5d6b6e;--line:#dfe5e6;
  --accent:#0f6b74;--accent-2:#0b535a;--on-accent:#fff;--accent-soft:#e1f1f2;
  --good:#2b7a3d;--good-soft:#e4f3e7;--bad:#b3392f;--bad-soft:#fbe8e6;--warn:#8a6100;--warn-soft:#fbf1d8;
  --shadow:0 1px 2px rgba(0,0,0,.05),0 4px 14px rgba(0,0,0,.05);
  --radius:16px;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#101617;--card:#192123;--text:#e7eeef;--muted:#9aaaad;--line:#2b3639;
  --accent:#4cb8c4;--accent-2:#6fcbd5;--on-accent:#06262a;--accent-soft:#1a3438;
  --good:#6cc47f;--good-soft:#1b2f20;--bad:#f08a80;--bad-soft:#3a1f1c;--warn:#e7bd5b;--warn-soft:#352b12;
  --shadow:none}}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
body{min-height:100vh;min-height:100dvh;overflow-x:hidden}
#app{max-width:640px;margin:0 auto;padding:calc(12px + env(safe-area-inset-top)) 16px calc(88px + env(safe-area-inset-bottom))}
h1{font-size:1.5rem;margin:.2rem 0 .8rem;line-height:1.25}
h2{font-size:1.05rem;margin:1.6rem 0 .6rem;line-height:1.3}
h3{font-size:1rem;margin:0 0 .3rem}
p{margin:.4rem 0}
.muted{color:var(--muted)}.small{font-size:.85rem}
.hdr{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:44px}
.hdr h1{margin:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin:0 0 12px;box-shadow:var(--shadow)}
.card.hero{border-color:transparent;background:linear-gradient(160deg,var(--accent),var(--accent-2));color:var(--on-accent)}
.card.hero .muted{color:inherit;opacity:.85}
.card.hero h2{margin:.2rem 0 .3rem;font-size:1.3rem}
.card.tap{cursor:pointer}
.kicker{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;opacity:.8}
button,.btn{font:inherit;min-height:48px;padding:0 20px;border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--text);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none}
button:active{filter:brightness(.95)}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.primary{background:var(--accent);color:var(--on-accent);border-color:var(--accent);font-weight:600}
.hero .primary{background:#fff;color:#0b535a;border-color:#fff}
.block{display:flex;width:100%}
.ghost{background:transparent}
.danger{color:var(--bad);border-color:var(--bad)}
.sm{min-height:44px;padding:0 14px;font-size:.92rem}
.icon-btn{width:44px;min-height:44px;padding:0;border:none;background:transparent;color:var(--muted)}
.icon-btn svg{width:24px;height:24px}
button[disabled]{opacity:.5;cursor:default}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row.sp{justify-content:space-between}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{min-height:44px;border-radius:22px;padding:0 16px;background:var(--card)}
.tag{display:inline-block;font-size:.75rem;padding:2px 10px;border-radius:10px;background:var(--accent-soft);color:var(--accent-2);vertical-align:middle}
.tag.good{background:var(--good-soft);color:var(--good)}.tag.warn{background:var(--warn-soft);color:var(--warn)}.tag.bad{background:var(--bad-soft);color:var(--bad)}
.badge{display:inline-flex;align-items:center;justify-content:center;min-width:48px;height:36px;padding:0 12px;border-radius:18px;background:var(--accent);color:var(--on-accent);font-weight:700}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:0 0 12px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:10px 6px;text-align:center}
.stat b{display:block;font-size:1.4rem;line-height:1.2}.stat span{font-size:.75rem;color:var(--muted)}
.dots{display:inline-flex;gap:5px;vertical-align:middle}
.dot{width:10px;height:10px;border-radius:50%;background:var(--line)}.dot.on{background:var(--accent)}
.bar{height:8px;border-radius:4px;background:var(--line);overflow:hidden}
.bar>i{display:block;height:100%;background:var(--accent);border-radius:4px}
.crit{display:grid;grid-template-columns:96px 1fr 34px;gap:10px;align-items:center;margin:8px 0;font-size:.9rem}
.crit span:last-child{text-align:right;font-weight:600}
.cmp{display:grid;gap:4px;margin:8px 0}
.said{color:var(--bad)}.better{color:var(--good);font-weight:500}
.cmp div{padding:8px 10px;border-radius:10px}.cmp .s{background:var(--bad-soft)}.cmp .b{background:var(--good-soft)}
.cmp small{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;opacity:.8}
.rule{font-size:.92rem;color:var(--muted);margin-top:6px}
.callout{background:var(--accent-soft);border-radius:12px;padding:10px 14px;margin:12px 0;color:var(--accent-2)}
ul.plain{margin:.3rem 0;padding-left:1.2rem}ul.plain li{margin:.25rem 0}
details{margin:12px 0}summary{cursor:pointer;min-height:44px;display:flex;align-items:center;font-weight:600}
.bubble{max-width:86%;padding:10px 14px;border-radius:16px;margin:8px 0;overflow-wrap:anywhere}
.bubble.user{margin-left:auto;background:var(--accent);color:var(--on-accent);border-bottom-right-radius:4px}
.bubble.assistant{background:var(--card);border:1px solid var(--line);border-bottom-left-radius:4px}
.bubble.partial{opacity:.6;font-style:italic}
.tabs{position:fixed;left:0;right:0;bottom:0;background:var(--card);border-top:1px solid var(--line);display:flex;justify-content:center;padding-bottom:env(safe-area-inset-bottom);z-index:5}
.tabs nav{display:flex;width:100%;max-width:640px}
.tabs a{flex:1;min-height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:.72rem;color:var(--muted);text-decoration:none}
.tabs a svg{width:24px;height:24px}
.tabs a.on{color:var(--accent);font-weight:600}
.field{display:block;margin:12px 0}.field span{display:block;font-size:.85rem;color:var(--muted);margin-bottom:4px}
input[type=text],input[type=password]{font:inherit;width:100%;min-height:48px;padding:0 14px;border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--text)}
.seg{display:grid;gap:8px}
.seg button{justify-content:flex-start;text-align:left;height:auto;min-height:52px;padding:8px 16px}
.seg button.on{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-2);font-weight:600}
.err{color:var(--bad);background:var(--bad-soft);padding:10px 14px;border-radius:12px;margin:10px 0}
.login{max-width:380px;margin:12vh auto 0}
.chart{display:flex;align-items:flex-end;gap:6px;height:120px;margin-top:8px}
.chart div{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;font-size:.65rem;color:var(--muted);min-width:0}
.chart i{display:block;width:100%;background:var(--accent);border-radius:4px 4px 0 0;min-height:2px}
.sess{position:fixed;inset:0;background:var(--bg);display:flex;flex-direction:column;z-index:10;padding:calc(12px + env(safe-area-inset-top)) 16px calc(12px + env(safe-area-inset-bottom))}
.sess>.in{width:100%;max-width:640px;margin:0 auto;display:flex;flex-direction:column;flex:1;min-height:0}
.sess h1{font-size:1.2rem;margin:0}
.status{display:flex;align-items:center;gap:12px;margin:12px 0;font-weight:600}
.orb{width:44px;height:44px;border-radius:50%;background:var(--line);flex:none}
.orb.user{background:var(--accent);animation:pulse 1.2s infinite}
.orb.assistant{background:var(--good);animation:pulse 1.2s infinite}
.orb.listen{background:var(--accent-soft);border:3px solid var(--accent)}
@keyframes pulse{50%{transform:scale(1.18);opacity:.75}}
@media (prefers-reduced-motion:reduce){.orb{animation:none!important}}
.log{flex:1;overflow-y:auto;min-height:0;padding:4px 2px}
.sess .actions{display:flex;gap:8px;padding-top:10px;flex-wrap:wrap}
.sess .actions .primary{flex:1 1 100%}
.sess .actions button{flex:1}
.timer{font-variant-numeric:tabular-nums;color:var(--muted);font-size:.95rem}
.round{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px;margin:8px 0;text-align:center}
.round .count{font-size:2.4rem;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.1}
.center{text-align:center}.spin{width:36px;height:36px;border:4px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:rot 1s linear infinite;margin:24px auto}
@keyframes rot{to{transform:rotate(360deg)}}
.flash{min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:8px}
.flash .big{font-size:1.5rem;font-weight:600;overflow-wrap:anywhere}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:flex-end;justify-content:center;z-index:20;padding:16px}
.modal .card{max-width:420px;width:100%;margin:0 0 env(safe-area-inset-bottom)}
.card.tap{display:block;color:inherit;text-decoration:none}
h1,h2,h3{font-weight:650}