:root{--bg: #f4f4f6;--panel: #ffffff;--ink: #1d2430;--muted: #6b7686;--accent: #2f7d4f;--user: #2f6fed;--border: #e3e6ec}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg)}.app{display:flex;flex-direction:column;height:100vh}.topbar{display:flex;align-items:baseline;gap:12px;padding:12px 20px;background:var(--panel);border-bottom:1px solid var(--border)}.topbar h1{font-size:18px;margin:0}.subtitle{color:var(--muted);font-size:13px}.panes{display:grid;grid-template-columns:1fr 1fr;flex:1;min-height:0}.chat{display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--border);background:var(--panel)}.messages{flex:1;overflow-y:auto;padding:16px}.msg{display:flex;margin-bottom:12px}.msg-user{justify-content:flex-end}.bubble{max-width:80%;padding:10px 14px;border-radius:14px;white-space:pre-wrap;line-height:1.45;font-size:14px}.msg-assistant .bubble{background:#eef1f5}.msg-user .bubble{background:var(--user);color:#fff}.msg-error .bubble{background:#fdecec;color:#b22;border:1px solid #f3c2c2}.tool-indicator{color:var(--muted);font-size:13px;font-style:italic;padding:4px 6px}.composer{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border)}.composer textarea{flex:1;resize:none;padding:8px 10px;border:1px solid var(--border);border-radius:8px;font:inherit}.composer button{padding:0 18px;border:none;border-radius:8px;background:var(--accent);color:#fff;font-weight:600;cursor:pointer}.composer button:disabled{opacity:.5;cursor:default}.dashboard{overflow-y:auto;padding:18px 20px}.dashboard h2{margin:0 0 4px;font-size:18px}.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:12px 14px;margin-top:14px}.card h3{margin:0 0 10px;font-size:14px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:5px 8px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600}.muted{color:var(--muted)}.small{font-size:12px}.pill{display:inline-block;font-size:12px;background:#eaf3ee;color:var(--accent);padding:3px 10px;border-radius:999px}