.settings-page{max-width:800px;margin:0 auto;padding:20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.settings-page h1{font-size:2.5rem;text-align:center;margin-bottom:30px;color:#333}.settings-section{background-color:#fff;border-radius:8px;padding:20px;margin-bottom:20px;box-shadow:0 2px 4px rgba(0,0,0,.05)}.settings-section h2{font-size:1.5rem;color:#333;border-bottom:2px solid #f0f0f0;padding-bottom:8px}.setting-item{margin-bottom:20px}.setting-item label{display:flex;align-items:center;font-size:1rem;font-weight:500;color:#333;cursor:pointer}.setting-item input[type=checkbox]{margin-right:12px;width:18px;height:18px;cursor:pointer}.setting-description{margin-top:8px;font-size:.9rem;color:#666;line-height:1.4;margin-left:30px}.message{padding:12px 16px;border-radius:8px;margin-bottom:20px;font-weight:500}.message.success{background-color:#d4edda;color:#155724;border:1px solid #c3e6cb}.message.error{background-color:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.save-button{background-color:#007bff;color:#fff;border:none;padding:12px 24px;border-radius:6px;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s;margin-right:10px}.save-button:hover:not(:disabled){background-color:#0056b3}.save-button:disabled{background-color:#6c757d;cursor:not-allowed}.settings-section h2{margin-top:0;margin-bottom:20px;color:#555;font-size:18px;border-bottom:1px solid #eee;padding-bottom:10px}.account-avatar,.account-info{display:flex;align-items:center}.account-avatar{width:70px;height:70px;border-radius:50%;overflow:hidden;background-color:#e0e0e0;justify-content:center;margin-right:20px}.account-avatar img{width:100%;height:100%;object-fit:cover}.avatar-placeholder{font-weight:700;color:#666;font-size:28px}.account-details{display:flex;flex-direction:column}.account-name{font-size:18px;font-weight:700;margin-bottom:5px}.account-email{color:#666;font-size:14px}.signout-button{padding:12px 24px;background-color:#f44336;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:16px;transition:background-color .3s}.signout-button:hover{background-color:#d32f2f}.about-text{color:#666;line-height:1.6}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:70vh}.loading-spinner{border:4px solid rgba(0,0,0,.1);border-left-color:#4285f4;border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite;margin-bottom:16px}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}