:root{color-scheme:light;--bg:#f7f3ec;--panel:#fffdf8;--ink:#29231e;--muted:#675e55;--line:#d9d0c4;--accent:#773d28;--bubble:#eee5d8}html[data-theme=dark]{color-scheme:dark;--bg:#181715;--panel:#24221f;--ink:#f7f0e4;--muted:#c0b6a6;--line:#4c463d;--accent:#eeb797;--bubble:#383129}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,sans-serif;font-size:16px}a{color:var(--accent)}button,textarea{font:inherit}button{cursor:pointer;min-height:44px;border:1px solid var(--line);border-radius:12px;background:var(--panel);color:var(--ink);padding:10px 16px}button:hover{border-color:var(--accent)}button:disabled{opacity:.6;cursor:wait}a:focus-visible,button:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}header{max-width:1100px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px}.brand{font-size:24px;letter-spacing:2px;font-weight:800;text-decoration:none;color:var(--ink)}.brand span{display:block;font-size:11px;font-weight:500;letter-spacing:0;color:var(--muted)}nav{display:flex;align-items:center;gap:18px}main{max-width:830px;margin:auto;padding:16px 24px}.intro{text-align:center;padding:20px 0 30px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:2px;color:var(--accent)}h1{font-family:Georgia,serif;font-weight:400;font-size:clamp(32px,6vw,56px);margin:16px 0}.intro>p:not(.eyebrow){color:var(--muted);line-height:1.6}.badge{display:inline-block;font-size:12px;padding:8px 13px;background:var(--bubble);border-radius:20px}.chat{background:var(--panel);border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 12px 45px #00000008}.chat-top{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}#messages{min-height:130px;max-height:440px;overflow:auto;padding:20px 22px}.welcome{color:var(--muted);line-height:1.7}.message{white-space:pre-wrap;overflow-wrap:anywhere;padding:14px 16px;border-radius:14px;margin:0 0 14px;line-height:1.65}.message strong{display:block;font-size:12px;margin-bottom:6px;color:var(--accent)}.user{background:var(--bubble);margin-left:30px}.assistant{border:1px solid var(--line);margin-right:20px}.suggestions{display:flex;flex-wrap:wrap;gap:8px;padding:0 22px}.suggestions button{font-size:12px;text-align:left}#status{margin:14px 22px;color:var(--muted);font-size:13px;line-height:1.5}form{border-top:1px solid var(--line);padding:20px 22px}label{display:block;font-size:13px;font-weight:600;margin-bottom:10px}textarea{resize:vertical;min-height:100px;width:100%;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);padding:14px;font-size:16px}textarea::placeholder{color:var(--muted)}.compose-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:12px}.compose-bottom span{font-size:12px;color:var(--muted)}#send{background:var(--ink);color:var(--panel);border-color:var(--ink)}.note{font-size:12px;text-align:center;color:var(--muted);line-height:1.6}details{font-size:13px;color:var(--muted);line-height:1.7;margin:24px 0}summary{cursor:pointer;color:var(--ink);min-height:44px;padding:10px 0}footer{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);padding:24px 0;font-size:12px;color:var(--muted)}.skip{position:absolute;top:-100px}.skip:focus{top:10px;background:var(--panel);padding:15px;z-index:2}@media(max-width:500px){header{padding:18px 16px;align-items:flex-start}nav{gap:10px;font-size:12px}nav button{padding:8px}.brand{font-size:20px}.brand span{max-width:125px}main{padding:0 12px}.chat-top,form{padding:16px}#messages{padding:16px}.suggestions{padding:0 16px}.compose-bottom{align-items:flex-start}.compose-bottom span{max-width:90px}.intro{padding-top:14px}.user{margin-left:12px}.assistant{margin-right:8px}}