:root{--bg: #f6f7fb;--card: #ffffff;--border: #e3e5ec;--text: #1f2330;--muted: #8a8f9c;--primary: #4f46e5;--primary-hover: #4338ca;--error: #c0392b}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Segoe UI,Roboto,sans-serif}.app{display:grid;grid-template-columns:1fr 420px;min-height:100vh}.main{padding:24px 32px;max-width:100%}.main:not(.with-side){grid-column:1 / -1}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.topbar h1{font-size:22px;margin:0}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px 20px;margin-bottom:16px}.card h2{margin:0 0 12px;font-size:16px}.row{display:flex;align-items:center}.row.between{justify-content:space-between}.row.end{justify-content:flex-end}.row.gap>*+*{margin-left:8px}.question{font-size:18px;margin:4px 0 0;line-height:1.5}.question-list{list-style:none;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:6px}.question-item{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;border:1px solid var(--border);border-radius:8px;cursor:pointer;line-height:1.5;background:#fff;transition:background .15s,border-color .15s}.question-item:hover{background:#f7f8fc}.question-item.selected{border-color:var(--primary);background:#eef2ff}.question-item input[type=radio]{margin-top:4px;flex-shrink:0}textarea{width:100%;font:inherit;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:#fff;resize:vertical;outline:none}textarea:focus{border-color:var(--primary)}button{font:inherit;cursor:pointer;padding:8px 14px;border-radius:8px;border:1px solid var(--border);background:#fff;transition:background .15s,border-color .15s}button:hover:not(:disabled){background:#f0f1f6}button:disabled{opacity:.55;cursor:not-allowed}button.primary{background:var(--primary);border-color:var(--primary);color:#fff}button.primary:hover:not(:disabled){background:var(--primary-hover);border-color:var(--primary-hover)}button.ghost{background:transparent}.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.result{border:1px solid var(--border);border-radius:10px;padding:14px;background:#fafbff;min-height:90px}.result-label{font-size:12px;color:var(--muted);margin-bottom:6px}.result-text{font-size:15px;line-height:1.5}.muted{color:var(--muted)}.elapsed{display:inline-block;margin-left:10px;font-size:12px;font-weight:400;padding:2px 8px;border-radius:999px;background:#eef2ff;border:1px solid #c7d2fe;color:#2c4cb5;vertical-align:middle}.elapsed.loading{background:#fff7e6;border-color:#f5c97a;color:#8a5a00}.loading-row{display:inline-flex;align-items:center;gap:8px}.spinner{width:14px;height:14px;border-radius:50%;border:2px solid #c7d2fe;border-top-color:var(--primary);display:inline-block;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error{background:#fdecea;border:1px solid #f5c6c2;color:var(--error);padding:10px 14px;border-radius:8px;margin-bottom:16px}.side{border-left:1px solid var(--border);background:#fff;padding:20px;overflow-y:auto;max-height:100vh;position:sticky;top:0}.side-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.side-head h2{margin:0;font-size:16px}.side label{display:block;font-size:12px;color:var(--muted);margin:10px 0 4px}.side details{border-top:1px solid var(--border);padding-top:12px;margin-top:12px}.side summary{cursor:pointer;font-weight:600;margin-bottom:8px}.hint{font-size:12px;color:var(--muted)}.hint code{background:#f0f1f6;padding:1px 5px;border-radius:4px}.badge-row{margin:8px 0 12px}.badge{display:inline-block;font-size:12px;padding:3px 8px;border-radius:999px;border:1px solid var(--border)}.badge.modified{background:#fff7e6;border-color:#f5c97a;color:#8a5a00}.badge.default{background:#eef9f0;border-color:#b9e3c0;color:#1f6a37}.save-status{font-size:12px;padding:4px 8px;border-radius:999px;border:1px solid var(--border);color:var(--muted);background:#fff;transition:color .2s,background .2s,border-color .2s}.save-status.save-pending{color:#8a5a00;background:#fff7e6;border-color:#f5c97a}.save-status.save-saving{color:#2c4cb5;background:#eef2ff;border-color:#c7d2fe}.save-status.save-saved{color:#1f6a37;background:#eef9f0;border-color:#b9e3c0}.save-status.save-error{color:var(--error);background:#fdecea;border-color:#f5c6c2}@media (max-width: 1024px){.app{grid-template-columns:1fr}.side{position:static;max-height:none}.grid{grid-template-columns:1fr}}