*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f5f5f5;color:#333}.home{max-width:480px;margin:0 auto;padding:16px}h1{text-align:center;color:#1a73e8;font-size:1.5rem}h2{text-align:center;font-size:1rem;margin-bottom:24px;color:#666}.selector{margin-bottom:16px}.selector label{display:block;font-weight:700;margin-bottom:4px}.selector select,.time-input{width:100%;padding:12px;font-size:1rem;border:1px solid #ccc;border-radius:8px}.now-btn{width:100%;padding:12px;font-size:1rem;font-weight:700;color:#1a73e8;background:#fff;border:2px solid #1a73e8;border-radius:8px;cursor:pointer;margin-bottom:8px}.record-btn{width:100%;padding:16px;font-size:1.2rem;font-weight:700;color:#fff;background:#1a73e8;border:none;border-radius:8px;cursor:pointer;margin-bottom:24px}.record-btn:disabled{background:#ccc;cursor:not-allowed}.sync-section{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;padding:12px;background:#fff;border-radius:8px;border:1px solid #e0e0e0}.sync-section button{padding:8px 16px;font-size:.9rem;background:#34a853;color:#fff;border:none;border-radius:6px;cursor:pointer}.sync-section button:disabled{background:#ccc;cursor:not-allowed}.record-list h3{margin-bottom:8px}.record-list ul{list-style:none}.record-list li{padding:8px 12px;margin-bottom:4px;background:#fff;border-radius:6px;border:1px solid #e0e0e0;font-size:.95rem}.record-list li.synced{color:#34a853}.record-list li.unsynced{color:#ea4335}