:root{--bg: #f4f6fb;--card-bg: #ffffff;--border: #dcdfea;--primary: #4f6ef7;--primary-light: #eef1ff;--text: #1f2937;--muted: #6b7280}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:14px;padding:16px}.row{display:grid;gap:12px}.grid2{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}h1,h2,h3{margin:0 0 10px}.small{font-size:.9rem;color:var(--muted)}input,textarea,select{width:100%;padding:10px;border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--text);font-size:1rem}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-light)}.btn{padding:10px 14px;border-radius:10px;border:none;background:var(--primary);color:#fff;font-size:1rem;cursor:pointer}.btn:hover{opacity:.9}.btn:disabled{opacity:.5;cursor:not-allowed}hr{border:none;border-top:1px solid var(--border);margin:14px 0}.list{display:grid;gap:6px}.kv{display:flex;justify-content:space-between;gap:10px;padding:8px 10px;border:1px solid var(--border);border-radius:10px;background:#fafbff}.pill{display:inline-block;padding:4px 10px;border-radius:999px;background:var(--primary-light);color:var(--primary);font-size:.85rem;font-weight:500}.timer{font-size:1.8rem;font-weight:700;color:var(--primary)}.start-letter-container{display:flex;justify-content:center;align-items:center;margin:12px 0 20px}.start-letter{font-size:5rem;font-weight:900;line-height:1;width:96px;height:96px;border-radius:50%;background:#e0edff;color:#1d4ed8;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px #00000026}