:root{--bg:#f6f7f9;--surface:#ffffff;--text:#1b1f24;--muted:#5d6673;--border:#dfe3e8;--brand:#0f766e;--brand-contrast:#ffffff;--danger:#b42318;--ok:#067647;--warn:#b54708;--radius:12px;--gap:12px;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#0f1216;--surface:#171b21;--text:#e8ebef;--muted:#9aa4b1;--border:#2a3039;--brand:#2dd4bf;--brand-contrast:#0f1216;color-scheme:dark}}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font:16px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-text-size-adjust:100%}a{color:var(--brand)}main{max-width:960px;margin:0 auto;padding:16px}h1{font-size:1.4rem;margin:8px 0 16px}h2{font-size:1.1rem;margin:20px 0 10px}.muted{color:var(--muted);font-size:.9rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:var(--gap)}.stack{display:flex;flex-direction:column;gap:var(--gap)}.row,.spread{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.spread{justify-content:space-between}label{display:flex;flex-direction:column;gap:4px;font-size:.9rem;color:var(--muted)}input,select,textarea{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:12px;min-height:44px;width:100%}textarea{min-height:88px;resize:vertical}.btn,button{font:inherit;font-weight:600;border:0;border-radius:10px;padding:12px 16px;min-height:44px;background:var(--brand);color:var(--brand-contrast);cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.btn.secondary,button.secondary{background:transparent;color:var(--text);border:1px solid var(--border)}button.danger{background:var(--danger);color:#fff}button:disabled{opacity:.6;cursor:not-allowed}.error{color:var(--danger);font-size:.9rem}.ok{color:var(--ok)}.badge{display:inline-block;font-size:.75rem;padding:2px 8px;border-radius:999px;border:1px solid var(--border);color:var(--muted)}.badge.on{color:var(--ok);border-color:var(--ok)}.badge.off{color:var(--danger);border-color:var(--danger)}.badge.warn{color:var(--warn);border-color:var(--warn)}table{width:100%;border-collapse:collapse;font-size:.9rem}td,th{text-align:left;padding:8px 6px;border-bottom:1px solid var(--border);vertical-align:top}.table-wrap{overflow-x:auto}nav.top{background:var(--surface);border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;z-index:10}nav.top .inner{max-width:960px;margin:0 auto;padding:10px 16px;display:flex;gap:12px;align-items:center;justify-content:space-between}nav.top .links{display:flex;gap:14px;overflow-x:auto;font-size:.95rem}nav.top .links a{text-decoration:none;white-space:nowrap}.list a.item{display:block;text-decoration:none;color:inherit}.grid2{display:grid;grid-gap:var(--gap);gap:var(--gap);grid-template-columns:1fr}@media (min-width:720px){.grid2{grid-template-columns:1fr 1fr}}.tabs{display:flex;gap:6px;overflow-x:auto;margin-bottom:12px}.tabs button{background:var(--surface);color:var(--text);border:1px solid var(--border);padding:8px 12px;min-height:36px;font-weight:500;white-space:nowrap}.tabs button.active{background:var(--brand);color:var(--brand-contrast);border-color:var(--brand)}.conv-item{display:flex;justify-content:space-between;gap:8px;padding:12px;border-bottom:1px solid var(--border);text-decoration:none;color:inherit}.conv-item:last-child{border-bottom:0}.conv-item .preview{color:var(--muted);font-size:.9rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:62vw}.unread{background:var(--brand);color:var(--brand-contrast);border-radius:999px;font-size:.75rem;padding:2px 8px;font-weight:700}.chat{display:flex;flex-direction:column;gap:8px;padding:8px 0 120px}.bubble{max-width:85%;padding:8px 12px;border-radius:14px;border:1px solid var(--border);background:var(--surface);white-space:pre-wrap;word-wrap:break-word}.bubble.out{align-self:flex-end;background:color-mix(in srgb,var(--brand) 14%,var(--surface))}.bubble.bot{border-style:dashed}.bubble .meta{font-size:.72rem;color:var(--muted);margin-top:4px}.bubble .translation{margin-top:6px;padding-top:6px;border-top:1px dashed var(--border);color:var(--muted);font-size:.92rem}.bubble img{max-width:100%;border-radius:10px;display:block}.note{align-self:center;background:color-mix(in srgb,var(--warn) 12%,var(--surface));border:1px dashed var(--warn);border-radius:10px;padding:6px 10px;font-size:.88rem;max-width:90%}.composer{position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);padding:8px 12px calc(8px + env(safe-area-inset-bottom));z-index:20}.composer .inner{max-width:960px;margin:0 auto;display:flex;flex-direction:column;gap:6px}.composer textarea{min-height:44px;max-height:160px}.suggestions{border:1px solid var(--border);border-radius:10px;background:var(--surface);max-height:180px;overflow-y:auto}.suggestions button{display:block;width:100%;text-align:left;background:transparent;color:var(--text);border-radius:0;font-weight:400;border-bottom:1px solid var(--border)}.icon-btn{padding:8px 10px;min-height:40px}.state-bot{color:var(--brand)}.state-human{color:var(--warn)}.state-closed{color:var(--muted)}