:root{
  --bg:#f6f4ef;--surface:#fff;--surface2:#efece4;--ink:#22282a;--muted:#6a7273;--line:#dfdbd0;
  --brand:#2f5d50;--brand-ink:#fff;--accent:#b4622d;--warn:#a4391f;--ok:#2f7a4f;--chip:#e6eee9;
  --imp:#efe3f6;--ai:#e3ecf8;--shadow:0 1px 2px rgba(0,0,0,.06),0 4px 14px rgba(0,0,0,.05);
  --r:14px;font-size:16px;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#161a1a;--surface:#20262a;--surface2:#293036;--ink:#e8ebe9;--muted:#98a3a5;--line:#333c41;
  --brand:#5aa38d;--brand-ink:#0d1a16;--accent:#e0925d;--warn:#ef8a70;--ok:#6cc48f;--chip:#22352f;--imp:#3a2c47;--ai:#26364d;--shadow:none;}}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;line-height:1.45;-webkit-text-size-adjust:100%}
#app{min-height:100dvh;display:flex;flex-direction:column}
main{flex:1;width:100%;max-width:760px;margin:0 auto;padding:16px 16px calc(96px + env(safe-area-inset-bottom));outline:none}
h1{font-size:1.5rem;margin:.2em 0 .6em}h2{font-size:1.1rem;margin:1.4em 0 .5em}h3{font-size:1rem;margin:.2em 0}
p{margin:.4em 0}a{color:var(--brand)}
.muted{color:var(--muted)}.small{font-size:.85rem}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.grow{flex:1}.right{margin-left:auto}
.stack>*+*{margin-top:12px}
#nav{position:fixed;bottom:0;left:0;right:0;z-index:20;display:flex;background:var(--surface);border-top:1px solid var(--line);padding:4px 4px calc(4px + env(safe-area-inset-bottom))}
#nav a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:.7rem;padding:6px 2px;color:var(--muted);text-decoration:none;border-radius:10px;min-height:48px}
#nav a svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
#nav a.on{color:var(--brand);font-weight:600}
#nav a.cap{color:var(--brand-ink);background:var(--brand);margin:0 4px;flex:1.1}
@media(min-width:900px){
  #app{flex-direction:row}
  #nav{position:sticky;top:0;height:100dvh;width:190px;flex:none;flex-direction:column;border-top:0;border-right:1px solid var(--line);padding:16px 10px;gap:4px}
  #nav a{flex:none;flex-direction:row;font-size:.95rem;gap:10px;padding:10px 12px;min-height:0}
  #nav a.cap{margin:0 0 8px;flex:none}
  main{padding:28px 32px 60px}
}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;box-shadow:var(--shadow)}
.card+.card{margin-top:12px}
button,.btn{font:inherit;border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:10px 14px;border-radius:10px;cursor:pointer;min-height:44px}
button:hover{background:var(--surface2)}
button.primary{background:var(--brand);color:var(--brand-ink);border-color:var(--brand);font-weight:600}
button.primary:hover{filter:brightness(1.08)}
button.danger{color:var(--warn);border-color:var(--warn)}
button.ghost{border-color:transparent;background:transparent;color:var(--brand);padding:6px 8px;min-height:36px}
button.sm{padding:6px 10px;min-height:36px;font-size:.9rem}
button:disabled{opacity:.5;cursor:default}
input,textarea,select{font:inherit;width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);min-height:44px}
textarea{min-height:110px;resize:vertical}
input[type=checkbox]{width:20px;height:20px;min-height:0;accent-color:var(--brand);flex:none}
label{display:block;font-size:.85rem;color:var(--muted);margin:10px 0 4px}
label.inline{display:flex;gap:8px;align-items:center;color:var(--ink);font-size:.95rem;margin:6px 0}
.chip{display:inline-block;font-size:.75rem;padding:2px 9px;border-radius:99px;background:var(--chip);color:var(--ink);margin:2px 4px 2px 0;white-space:nowrap}
.chip.imp{background:var(--imp)}.chip.ai{background:var(--ai)}.chip.warn{background:#f6ddd5;color:#7b2a15}.chip.ok{background:#dcefe3;color:#1e5a37}
@media(prefers-color-scheme:dark){.chip.warn{background:#4a2a22;color:#f5b4a3}.chip.ok{background:#1f3b2b;color:#9adcb5}}
button.cite{font-size:.72rem;padding:1px 8px;min-height:0;border-radius:99px;background:var(--chip);border:1px solid var(--line);color:var(--brand);margin:0 2px;vertical-align:baseline}
.rec h3{font-size:1.05rem}.rec .lbl{font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-top:10px}
.opener{background:var(--surface2);border-left:3px solid var(--brand);padding:8px 12px;border-radius:6px;margin:4px 0;white-space:pre-wrap}
.banner{background:#fbeee0;border:1px solid #efd3b3;color:#5a3512;padding:12px 14px;border-radius:var(--r)}
@media(prefers-color-scheme:dark){.banner{background:#3a2c1c;border-color:#5b4327;color:#f0d9bb}}
.bubble{padding:10px 14px;border-radius:14px;max-width:92%;word-wrap:break-word}
.bubble.user{background:var(--brand);color:var(--brand-ink);margin-left:auto;white-space:pre-wrap}
.bubble.bot{background:var(--surface);border:1px solid var(--line)}
.bubble ul{margin:.3em 0;padding-left:1.2em}.bubble p{margin:.4em 0}
.mic{width:76px;height:76px;border-radius:50%;padding:0;background:var(--brand);color:var(--brand-ink);border:0;display:flex;align-items:center;justify-content:center;flex:none}
.mic svg{width:32px;height:32px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round}
.mic.rec{background:var(--warn);animation:pulse 1.2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 12px rgba(164,57,31,.15)}}
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:50;display:flex;align-items:flex-end;justify-content:center}
.modal{background:var(--bg);width:100%;max-width:640px;max-height:92dvh;overflow:auto;border-radius:18px 18px 0 0;padding:16px 16px calc(20px + env(safe-area-inset-bottom))}
@media(min-width:700px){.modal-bg{align-items:center}.modal{border-radius:18px}}
.modal h2:first-child{margin-top:0}
#toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:#222;color:#fff;padding:10px 16px;border-radius:10px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:99;max-width:90vw}
#toast.show{opacity:1}#toast.err{background:var(--warn)}
.tl{border-left:2px solid var(--line);margin-left:6px;padding-left:14px}
.tl>div{position:relative;padding:6px 0}.tl>div:before{content:"";position:absolute;left:-20px;top:13px;width:10px;height:10px;border-radius:50%;background:var(--brand)}
.item{display:flex;gap:10px;align-items:flex-start;padding:8px 0;border-bottom:1px solid var(--line)}.item:last-child{border:0}
.pre{white-space:pre-wrap}
.spin{display:inline-block;width:16px;height:16px;border:2px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:sp .8s linear infinite;vertical-align:-3px;margin-right:8px}
@keyframes sp{to{transform:rotate(360deg)}}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}@media(max-width:520px){.grid2{grid-template-columns:1fr}}
details>summary{cursor:pointer;color:var(--muted);padding:6px 0}
.q{background:var(--ai);border-radius:10px;padding:10px 12px;margin:8px 0}
.glance{margin-top:16px}
.headline{font-size:1.05rem;line-height:1.5;margin:8px 0 10px}
.sum-sections details{border-top:1px solid var(--line)}
.sum-sections summary{color:var(--ink);font-weight:600;padding:9px 0}
.sum-sections ul{margin:0 0 10px;padding-left:1.2em}.sum-sections li{margin:5px 0}
.voice-status{font-size:.85rem;color:var(--muted);margin:6px 2px 0;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.rec-dot{width:10px;height:10px;border-radius:50%;background:var(--warn);display:inline-block;animation:blink 1s infinite}
@keyframes blink{50%{opacity:.25}}