:root{color-scheme:light;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}body{margin:0;background:#f4f6fb;color:#0f172a}.container{max-width:1120px;margin:32px auto;padding:0 20px 40px}.card{background:#fff;border-radius:16px;padding:24px;box-shadow:0 18px 40px #0f172a14;border:1px solid #e7ecf3;margin-bottom:20px}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.eyebrow{text-transform:uppercase;font-size:11px;letter-spacing:.12em;color:#64748b;margin:0 0 4px}.subtle{margin:6px 0 0;color:#64748b;font-size:14px}.badge{background:#eaf2ff;color:#1c5dff;font-weight:700;font-size:12px;padding:6px 10px;border-radius:999px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}label{font-weight:600;font-size:13px;color:#1e293b}input,textarea,button{font-size:14px}input,textarea{width:100%;border:1px solid #d9dee8;border-radius:10px;padding:12px 14px;outline:none;background:#fbfcff;transition:border-color .2s ease,box-shadow .2s ease}input:focus,textarea:focus{border-color:#1c5dff;box-shadow:0 0 0 3px #1c5dff26}textarea{min-height:140px;resize:vertical}button{border:none;border-radius:10px;padding:12px 18px;font-weight:600;cursor:pointer;background:#1c5dff;color:#fff;box-shadow:0 10px 20px #1c5dff33;transition:transform .15s ease,box-shadow .15s ease}button:hover{transform:translateY(-1px);box-shadow:0 12px 24px #1c5dff40}button.ghost{background:#eef2ff;color:#1c5dff;box-shadow:none}button[disabled]{background:#8fa8ff;cursor:not-allowed;box-shadow:none;transform:none}.status{font-size:13px;color:#4a5568}.status.error{color:#c53030}.output{background:#0f1116;color:#e6e9f2;padding:16px;border-radius:12px;min-height:220px;white-space:pre-wrap;font-size:13px}.screenshot{width:100%;border-radius:12px;border:1px solid #e1e5ef;background:#fff}.auth-card{max-width:720px;margin:80px auto 40px}.main-ui{display:block}.prompt-grid{display:grid;grid-template-columns:1fr 180px;gap:16px;align-items:end}.prompt-actions{display:flex;flex-direction:column;gap:12px}.split-row{display:grid;grid-template-columns:3fr 1fr;gap:20px}.preview-body{min-height:320px;display:flex;align-items:center;justify-content:center;background:#f8fafc;border-radius:12px;border:1px dashed #d6dbe6;padding:16px}.empty-state{color:#94a3b8;font-size:14px}@media (max-width: 900px){.prompt-grid{grid-template-columns:1fr}.prompt-actions{flex-direction:row}.split-row{grid-template-columns:1fr}}