:root{color-scheme:light dark;--bg: #0b0f17;--panel: rgba(255, 255, 255, .06);--border: rgba(255, 255, 255, .12);--text: rgba(255, 255, 255, .92);--muted: rgba(255, 255, 255, .7);--accent: #7c5cff;--danger: #ff4d4d;--ok: #4dff88;--shadow: 0 18px 60px rgba(0, 0, 0, .5);--radius: 14px;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media(prefers-color-scheme:light){:root{--bg: #f8fafc;--panel: rgba(15, 23, 42, .04);--border: rgba(15, 23, 42, .12);--text: rgba(15, 23, 42, .92);--muted: rgba(15, 23, 42, .68);--shadow: 0 18px 60px rgba(2, 6, 23, .16)}}body{margin:0;min-height:100vh;background-color:var(--bg);background-image:radial-gradient(ellipse at 10% 0%,rgba(124,92,255,.18),transparent 60%),radial-gradient(ellipse at 90% 20%,rgba(77,255,136,.12),transparent 55%);background-repeat:no-repeat;background-attachment:fixed;color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji"}a{color:inherit;text-decoration:none}code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:12px;overflow-wrap:anywhere;word-break:break-word}button,input,textarea{font:inherit}.container{max-width:980px;margin:0 auto;padding:28px 18px 42px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);overflow:hidden}.header{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 18px;border-bottom:1px solid var(--border)}.title{display:flex;flex-direction:column;gap:4px}.title h1{margin:0;font-size:16px;letter-spacing:.2px}.title p{margin:0;color:var(--muted);font-size:13px}.pill{display:inline-flex;align-items:center;gap:8px;padding:7px 10px;border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:12px;white-space:nowrap}.pill strong{color:var(--text);font-weight:600}.content{padding:18px}.row{display:flex;gap:10px}.row>*{flex:1}.input{width:100%;padding:12px;border-radius:12px;border:1px solid var(--border);background:#0000002e;color:var(--text)}@media(prefers-color-scheme:light){.input{background:#ffffffb3}}.button{appearance:none;border:1px solid rgba(124,92,255,.5);background:linear-gradient(180deg,#7c5cfff2,#7c5cffc7);color:#fff;border-radius:12px;padding:12px;cursor:pointer;font-weight:600}.button.secondary{border-color:var(--border);background:transparent;color:var(--text);font-weight:600}.button:disabled{opacity:.6;cursor:not-allowed}.help{margin-top:12px;color:var(--muted);font-size:13px;line-height:1.5}.grid{display:grid;gap:12px}.grid>*{min-width:0}@media(min-width:860px){.grid{grid-template-columns:360px 1fr;align-items:start}}.stack{display:flex;flex-direction:column;gap:12px}.panel{padding:14px;border:1px solid var(--border);border-radius:12px;background:#00000014}@media(prefers-color-scheme:light){.panel{background:#ffffff8c}}.panel h2{margin:0 0 10px;font-size:14px}.panel p{margin:8px 0 0;color:var(--muted);font-size:13px;line-height:1.45}.radioRow{display:flex;flex-direction:column;gap:8px}.radioOption{display:flex;align-items:flex-start;gap:10px;padding:10px;border-radius:12px;border:1px solid var(--border);cursor:pointer}.radioOption input{margin-top:3px}.radioOption strong{display:block;font-size:13px}.radioOption span{display:block;margin-top:2px;color:var(--muted);font-size:12px}.messages{display:flex;flex-direction:column;gap:10px;padding:0;margin:0;list-style:none;max-height:56vh;overflow:auto;overflow-x:hidden}.messageItem{display:flex;flex-direction:column}.messageItem.me{align-items:flex-end}.bubble{max-width:min(680px,90%);padding:10px 12px;border-radius:14px;border:1px solid var(--border);background:#0000001f;line-height:1.4;font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere}@media(prefers-color-scheme:light){.bubble{background:#ffffffbf}}.bubble.me{margin-left:auto;border-color:#7c5cff73;background:#7c5cff24}.meta{display:flex;gap:10px;margin-top:6px;font-size:11px;color:var(--muted);flex-wrap:wrap}.composer{margin-top:12px;display:flex;gap:10px;align-items:flex-end}.composer textarea{min-height:44px;max-height:140px;resize:vertical;flex:1 1 auto;width:auto;min-width:0}.composer button{flex:0 0 auto}.error{color:var(--danger);font-size:13px;line-height:1.4}