:root{--bg:#0f1216;--panel:#161b22;--panel-2:#1c2430;--border:#2a323d;--text:#e6edf3;--muted:#9aa7b4;--accent:#5b8def;--accent-soft:#25324a;--user:#2b3a55;--coach:#1c2430;--safety-bg:#2a1d1d;--safety-border:#7d3b3b;--safety-text:#ffd9d9;--ok:#3fb950;--radius:14px}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.5}a{color:var(--accent)}.app{display:flex;flex-direction:column;min-height:100dvh;max-width:760px;margin:0 auto}.header{position:-webkit-sticky;position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:10px;padding:12px 16px;background:rgba(15,18,22,.9);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.header h1{font-size:16px;margin:0;font-weight:650;letter-spacing:.2px}.header .spacer{flex:1 1}.header .tag{font-size:11px;color:var(--muted);border:1px solid var(--border);padding:2px 8px;border-radius:999px}.toolbar{display:flex;gap:8px;flex-wrap:wrap;padding:10px 16px;border-bottom:1px solid var(--border)}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer;background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:10px;padding:9px 14px;font-size:14px;font-weight:550;transition:border-color .15s,background .15s}.btn:hover{border-color:var(--accent)}.btn:disabled{opacity:.5;cursor:default}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.ghost{background:transparent}.btn.small{padding:6px 10px;font-size:13px}.content{flex:1 1;padding:16px;display:flex;flex-direction:column;gap:14px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.card h2{margin:0 0 4px;font-size:18px}.card p.sub{margin:0 0 16px;color:var(--muted);font-size:14px}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.field label{font-size:13px;color:var(--muted)}.input{background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:10px;padding:11px 12px;font-size:15px;width:100%}.input:focus{outline:none;border-color:var(--accent)}.error{color:var(--safety-text);background:var(--safety-bg);border:1px solid var(--safety-border);padding:10px 12px;border-radius:10px;font-size:14px}.notice{color:var(--muted);font-size:12px;border:1px dashed var(--border);padding:8px 10px;border-radius:8px}.chat{display:flex;flex-direction:column;gap:12px}.bubble{max-width:85%;padding:11px 14px;border-radius:16px;font-size:15px;white-space:pre-wrap}.bubble.user{align-self:flex-end;background:var(--user);border-bottom-right-radius:4px}.bubble.coach{align-self:flex-start;background:var(--coach);border:1px solid var(--border);border-bottom-left-radius:4px}.bubble.safety{align-self:stretch;max-width:100%;background:var(--safety-bg);border:1px solid var(--safety-border);color:var(--safety-text);border-radius:12px}.bubble .routing{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.5px;opacity:.7;margin-bottom:4px}.empty{color:var(--muted);text-align:center;padding:32px 0;font-size:14px}.composer{position:-webkit-sticky;position:sticky;bottom:0;display:flex;gap:8px;padding:12px 16px;background:rgba(15,18,22,.92);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-top:1px solid var(--border)}.composer textarea{flex:1 1;resize:none;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:12px;padding:11px 12px;font-size:15px;font-family:inherit;max-height:140px}.composer textarea:focus{outline:none;border-color:var(--accent)}.items{gap:16px}.item,.items{display:flex;flex-direction:column}.item{gap:8px}.item .q{font-size:14px}.item .row{display:flex;align-items:center;gap:12px}.item input[type=range]{flex:1 1;accent-color:var(--accent)}.item .val{width:28px;text-align:center;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--accent)}.delta-num{font-size:40px;font-weight:700}.delta-num.up{color:var(--ok)}.badge{display:inline-block;font-size:12px;padding:2px 10px;border-radius:999px;border:1px solid var(--border);color:var(--muted)}@media (max-width:560px){.card{padding:14px;border-radius:12px}.bubble{max-width:92%}.header h1{font-size:15px}}