:root{color-scheme:light dark;--fg: #111;--muted: #666;--line: #e5e5e5;--bg: #fff}@media(prefers-color-scheme:dark){:root{--fg: #eee;--muted: #999;--line: #333;--bg: #111}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.6 -apple-system,system-ui,sans-serif}.page{max-width:420px;margin:0 auto;padding:48px 20px}h1{font-size:22px;margin:0 0 8px}.muted{color:var(--muted)}.card{display:grid;gap:12px;margin-top:24px}.tabs{display:flex;gap:8px}.tabs button[aria-selected=true]{font-weight:600;border-color:var(--fg)}button,input{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:transparent;color:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:default}.row{display:flex;gap:8px}.row input{flex:1}.error{color:#c00;margin:0}.chat{display:flex;flex-direction:column;min-height:100vh;max-width:560px}.transcript{flex:1;display:grid;gap:8px;margin:16px 0;align-content:start}.bubble{margin:0;padding:10px 12px;border-radius:12px;white-space:pre-wrap}.bubble.user{background:#eef;justify-self:end}.bubble.agent{background:#f5f5f5}@media(prefers-color-scheme:dark){.bubble.user{background:#223}.bubble.agent{background:#1a1a1a}}.bar{align-items:center;justify-content:space-between}.sessions{display:flex;gap:6px;overflow-x:auto;padding-bottom:4px}.chip{padding:4px 10px;border-radius:999px;white-space:nowrap;font-size:13px}.chip.active{border-color:var(--fg);font-weight:600}.approval{border:1px solid var(--line);border-radius:12px;padding:12px;display:grid;gap:8px}.approval p{margin:0}