.loading{display:flex;justify-content:center;align-items:center;height:100vh;font-size:18px;color:#86868b}.page{max-width:800px;margin:0 auto;padding:24px 16px}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}.header h1{font-size:28px;font-weight:700}.btn{padding:10px 20px;border:none;border-radius:10px;font-size:15px;font-weight:500;cursor:pointer;transition:all .2s}.btn-primary{background:#0071e3;color:#fff}.btn-primary:hover{background:#0077ed}.btn-danger{background:#ff3b30;color:#fff}.btn-secondary{background:#e8e8ed;color:#1d1d1f}.btn-secondary:hover{background:#d2d2d7}.btn-small{padding:6px 14px;font-size:13px}.card{background:#fff;border-radius:16px;padding:20px;margin-bottom:16px;box-shadow:0 1px 3px #00000014}.card h3{font-size:18px;margin-bottom:12px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:14px;font-weight:500;margin-bottom:6px;color:#86868b}.form-group input,.form-group select{width:100%;padding:10px 14px;border:1px solid #d2d2d7;border-radius:10px;font-size:16px;outline:none;transition:border-color .2s}.form-group input:focus{border-color:#0071e3}.toggle-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid #f5f5f7}.toggle-row:last-child{border-bottom:none}.toggle-label{font-size:16px;font-weight:500}.toggle-sublabel{font-size:13px;color:#86868b;margin-top:2px}.time-inputs{display:flex;gap:12px;align-items:center;margin-top:8px}.time-inputs input[type=time]{padding:8px 12px;border:1px solid #d2d2d7;border-radius:10px;font-size:16px}.time-inputs span{color:#86868b;font-size:14px}.reset-btn{background:none;border:1px solid #d2d2d7;border-radius:8px;color:#86868b;font-size:13px;padding:4px 10px;cursor:pointer;white-space:nowrap;flex-shrink:0}.reset-btn:hover{background:#f5f5f7;color:#1d1d1f}.device-card{display:flex;justify-content:space-between;align-items:center;cursor:pointer;transition:transform .1s}.device-card:hover{transform:scale(1.01)}.device-info h3{margin-bottom:4px}.device-info .child-name{color:#86868b;font-size:14px}.device-status{text-align:right}.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}.status-online{background:#34c759}.status-offline{background:#d2d2d7}.usage-bar{height:8px;background:#e8e8ed;border-radius:4px;overflow:hidden;margin-top:8px}.usage-bar-fill{height:100%;border-radius:4px;transition:width .3s}.usage-bar-fill.ok{background:#34c759}.usage-bar-fill.warning{background:#ff9500}.usage-bar-fill.exceeded{background:#ff3b30}.back-link{color:#0071e3;text-decoration:none;font-size:15px;display:inline-block;margin-bottom:16px}.back-link:hover{text-decoration:underline}.section-title{font-size:20px;font-weight:600;margin:24px 0 12px}.error{color:#ff3b30;font-size:14px;margin-top:8px}.token-display{background:#f5f5f7;padding:12px;border-radius:8px;font-family:monospace;font-size:12px;word-break:break-all;margin-top:8px}.minutes-input{display:flex;align-items:center;gap:8px;margin-top:8px}.minutes-input input[type=number]{width:100px;padding:8px 12px;border:1px solid #d2d2d7;border-radius:10px;font-size:16px}.minutes-input .unit{color:#86868b;font-size:14px}.usage-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:8px;margin-top:12px}.usage-day{text-align:center;padding:8px;background:#f5f5f7;border-radius:10px}.usage-day .date{font-size:12px;color:#86868b}.usage-day .time{font-size:18px;font-weight:600;margin-top:4px}.login-page{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:16px}.login-card{width:100%;max-width:400px}.login-card h1{text-align:center;margin-bottom:8px;font-size:28px}.login-card .subtitle{text-align:center;color:#86868b;margin-bottom:24px}.login-card .btn{width:100%;margin-top:8px}.tab-switch{display:flex;gap:0;margin-bottom:24px;background:#e8e8ed;border-radius:10px;padding:3px}.tab-switch button{flex:1;padding:8px;border:none;background:transparent;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer}.tab-switch button.active{background:#fff;box-shadow:0 1px 2px #0000001a}