:root{--bg: #0f172a;--panel: #111827;--text: #e5e7eb;--muted: #94a3b8;--primary: #22c55e;--primary-700: #16a34a;--border: #1f2937}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial}.container{max-width:980px;margin:0 auto;padding:24px}.nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.brand{font-weight:700;letter-spacing:.2px}.tabs{display:flex;gap:8px;flex-wrap:wrap}.tab{background:transparent;border:1px solid var(--border);color:var(--text);padding:10px 12px;border-radius:8px;cursor:pointer}.tab:hover{border-color:var(--muted)}.panel{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px}.label{display:block;margin-bottom:6px;color:var(--muted);font-size:12px}.input,.textarea,.number{width:100%;background:#0b1220;color:var(--text);border:1px solid var(--border);border-radius:8px;padding:10px 12px;outline:none}.textarea{min-height:140px;resize:vertical}.row{display:flex;gap:12px;align-items:center}.actions{margin-top:12px;display:flex;gap:8px}.btn{background:var(--primary);color:#000;border:none;border-radius:8px;padding:10px 14px;font-weight:600;cursor:pointer}.btn:hover{background:var(--primary-700)}.output{margin-top:16px}.pre{background:#0b1220;border:1px solid var(--border);border-radius:12px;padding:14px;white-space:pre-wrap}.chat{display:flex;flex-direction:column;gap:10px}.bubble{max-width:80%;padding:10px 12px;border-radius:12px;border:1px solid var(--border)}.msg-user{align-self:flex-end;background:#1a2b4a}.msg-assistant{align-self:flex-start;background:#182030}.chat-input{display:flex;gap:8px;margin-top:8px}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:12px}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#0b1220;border:1px solid var(--border);color:var(--muted);font-size:12px}.meta{color:var(--muted);font-size:12px;margin-top:6px}