:root{color-scheme:light dark;--bg: #f7f7f5;--surface: #ffffff;--text: #1d1d1b;--muted: #6b6b66;--border: #d9d9d4;--accent: #2f5bd3;--accent-text: #ffffff;--error-bg: #fdecec;--error-text: #a12020;--code-bg: #f0f0ec;font-family:system-ui,-apple-system,Segoe UI,sans-serif;font-size:16px;line-height:1.5}@media(prefers-color-scheme:dark){:root{--bg: #161615;--surface: #1f1f1e;--text: #ececea;--muted: #9b9b96;--border: #3a3a37;--accent: #6f8ff0;--accent-text: #0e0e0d;--error-bg: #3a1c1c;--error-text: #f2a7a7;--code-bg: #2a2a28}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}h1{font-size:1.25rem;margin:0}button{font:inherit;padding:.5rem 1rem;border-radius:6px;border:1px solid var(--accent);background:var(--accent);color:var(--accent-text);cursor:pointer}button.secondary{background:transparent;color:var(--text);border-color:var(--border)}button:disabled{opacity:.5;cursor:default}input,textarea{font:inherit;width:100%;padding:.6rem .75rem;border-radius:6px;border:1px solid var(--border);background:var(--surface);color:var(--text)}textarea{resize:vertical}.error{background:var(--error-bg);color:var(--error-text);padding:.6rem .75rem;border-radius:6px;margin:0}.login{max-width:360px;margin:12vh auto 0;padding:0 16px}.login h1{margin-bottom:1.5rem}.login form{display:grid;gap:1rem}.login label{display:grid;gap:.35rem;color:var(--muted);font-size:.9rem}.bar{display:flex;align-items:center;justify-content:space-between;max-width:860px;margin:0 auto;padding:1rem 16px}.chat{display:grid;gap:1rem;max-width:860px;margin:0 auto;padding:0 16px 3rem}.actions{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}.status{color:var(--muted);font-size:.9rem}.output{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:.25rem 1.25rem;overflow-wrap:anywhere}.output pre{background:var(--code-bg);padding:.75rem;border-radius:6px;overflow-x:auto}.output code{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.9em}.output :not(pre)>code{background:var(--code-bg);padding:.1em .3em;border-radius:4px}.output table{border-collapse:collapse;display:block;overflow-x:auto}.output th,.output td{border:1px solid var(--border);padding:.3rem .6rem}.output a{color:var(--accent)}