:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:#303133;background-color:#f0f2f5;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-width:320px}h1{font-size:1.5em;line-height:1.3}button{font-family:inherit;cursor:pointer}a{color:#409eff;text-decoration:none}a:hover{color:#66b1ff}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:2rem;background:linear-gradient(135deg,#1a1a2e,#16213e,#0f3460);position:fixed;top:0;left:0;right:0;bottom:0;z-index:100}.login-card{background:#fff;border-radius:16px;padding:2.5rem;width:100%;max-width:400px;box-shadow:0 20px 60px #0000004d}.login-title{font-size:1.75rem;font-weight:700;color:#1a1a2e;text-align:center;margin:0 0 .5rem}.login-subtitle{font-size:.9rem;color:#666;text-align:center;margin:0 0 2rem}.form-group{margin-bottom:1.25rem}.form-group label{display:block;font-size:.85rem;font-weight:500;color:#333;margin-bottom:.4rem}.form-group input{width:100%;padding:.75rem 1rem;border:1.5px solid #e0e0e0;border-radius:10px;font-size:.95rem;color:#333;background:#fafafa;transition:all .2s;box-sizing:border-box}.form-group input:focus{outline:none;border-color:#4a6cf7;background:#fff;box-shadow:0 0 0 3px #4a6cf71a}.form-group input::placeholder{color:#aaa}.login-btn{width:100%;padding:.8rem;border:none;border-radius:10px;font-size:1rem;font-weight:600;color:#fff;background:linear-gradient(135deg,#4a6cf7,#6a3de8);cursor:pointer;transition:all .2s;margin-top:.5rem}.login-btn:hover{transform:translateY(-1px);box-shadow:0 8px 25px #4a6cf74d}.login-btn:active{transform:translateY(0)}.login-btn:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}.login-error{background:#fff0f0;border:1px solid #ffd4d4;border-radius:8px;padding:.7rem 1rem;color:#e74c3c;font-size:.85rem;margin-bottom:1rem;text-align:center}.login-loading{display:flex;align-items:center;justify-content:center;min-height:100vh;font-size:1rem;color:#888;position:fixed;top:0;left:0;right:0;bottom:0;background:#fff;z-index:100}.spinner{width:20px;height:20px;border:2.5px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite;display:inline-block;vertical-align:middle;margin-right:8px}@keyframes spin{to{transform:rotate(360deg)}}:root{--ep-primary: #409eff;--ep-primary-hover: #66b1ff;--ep-primary-light: #ecf5ff;--ep-danger: #f56c6c;--ep-danger-hover: #f89898;--ep-success: #67c23a;--ep-warning: #e6a23c;--ep-text-primary: #303133;--ep-text-regular: #606266;--ep-text-secondary: #909399;--ep-text-placeholder: #c0c4cc;--ep-border-base: #dcdfe6;--ep-border-light: #e4e7ed;--ep-border-lighter: #ebeef5;--ep-bg-page: #f0f2f5;--ep-bg-base: #f5f7fa;--ep-shadow: 0 2px 12px rgba(0, 0, 0, .06);--ep-shadow-light: 0 2px 4px rgba(0, 0, 0, .04), 0 2px 8px rgba(0, 0, 0, .06);--sidebar-width: 220px;--sidebar-collapsed: 64px;--topbar-height: 50px;--radius-base: 4px;--radius-round: 20px}.layout{display:flex;min-height:100vh;background:var(--ep-bg-page)}.sidebar-overlay{display:none}.sidebar{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-width);background:#fff;border-right:1px solid var(--ep-border-lighter);z-index:1001;display:flex;flex-direction:column;transition:width .25s ease;overflow:hidden}.sidebar-header{height:var(--topbar-height);display:flex;align-items:center;justify-content:center;padding:0 16px;border-bottom:1px solid var(--ep-border-lighter);flex-shrink:0}.sidebar-logo{display:flex;align-items:center;gap:10px}.sidebar-logo-icon{font-size:22px;line-height:1;flex-shrink:0}.sidebar-logo-text{font-size:17px;font-weight:700;color:var(--ep-text-primary);white-space:nowrap}.sidebar-nav{flex:1;padding:8px 0;overflow-y:auto}.sidebar-item{display:flex;align-items:center;padding:12px 20px;cursor:pointer;color:var(--ep-text-regular);font-size:14px;transition:all .15s;border-left:3px solid transparent;-webkit-user-select:none;user-select:none;white-space:nowrap}.sidebar-item:hover{background:var(--ep-bg-base);color:var(--ep-primary)}.sidebar-item.active{background:var(--ep-primary-light);color:var(--ep-primary);border-left-color:var(--ep-primary);font-weight:600}.sidebar-item-icon{font-size:16px;width:22px;text-align:center;margin-right:12px;flex-shrink:0}.sidebar-item-label{flex:1;overflow:hidden;text-overflow:ellipsis}.sidebar-badge{background:var(--ep-danger);color:#fff;font-size:11px;padding:1px 7px;border-radius:10px;min-width:20px;text-align:center;line-height:1.5;flex-shrink:0}.sidebar-footer{padding:16px 20px;border-top:1px solid var(--ep-border-lighter);flex-shrink:0}.sidebar-user{font-size:13px;color:var(--ep-text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-logout-btn{background:none;border:none;color:var(--ep-danger);cursor:pointer;font-size:13px;padding:6px 0 0;font-family:inherit;font-weight:500}.sidebar-logout-btn:hover{color:#e74c3c}.layout:not(.sidebar-open) .sidebar{width:var(--sidebar-collapsed)}.layout:not(.sidebar-open) .sidebar-logo-text,.layout:not(.sidebar-open) .sidebar-item-label,.layout:not(.sidebar-open) .sidebar-badge,.layout:not(.sidebar-open) .sidebar-user,.layout:not(.sidebar-open) .sidebar-logout-btn{display:none}.layout:not(.sidebar-open) .sidebar-item{padding:12px 0;justify-content:center;border-left-width:0}.layout:not(.sidebar-open) .sidebar-item.active{border-left-width:0;background:var(--ep-primary-light)}.layout:not(.sidebar-open) .sidebar-item-icon{margin-right:0}.layout:not(.sidebar-open) .sidebar-header{padding:0}.layout:not(.sidebar-open) .sidebar-footer{text-align:center;padding:12px 0}.main-area{flex:1;margin-left:var(--sidebar-width);display:flex;flex-direction:column;min-height:100vh;transition:margin-left .25s ease}.layout:not(.sidebar-open) .main-area{margin-left:var(--sidebar-collapsed)}.topbar{position:sticky;top:0;z-index:100;height:var(--topbar-height);background:#fff;border-bottom:1px solid var(--ep-border-lighter);display:flex;align-items:center;padding:0 20px;gap:12px;flex-shrink:0;box-shadow:0 1px 4px #00000008}.topbar-toggle{background:none;border:none;font-size:20px;cursor:pointer;padding:4px;color:var(--ep-text-regular);border-radius:var(--radius-base);width:32px;height:32px;display:flex;align-items:center;justify-content:center;transition:background .15s;flex-shrink:0}.topbar-toggle:hover{background:var(--ep-bg-base)}.topbar-title{font-size:16px;font-weight:600;color:var(--ep-text-primary);margin:0;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar-right{display:flex;align-items:center;gap:12px;flex-shrink:0}.topbar-user{font-size:14px;color:var(--ep-text-regular)}.topbar-logout-btn{background:none;border:1px solid var(--ep-border-base);border-radius:var(--radius-base);padding:5px 12px;font-size:13px;color:var(--ep-text-regular);cursor:pointer;font-family:inherit;transition:all .15s}.topbar-logout-btn:hover{border-color:var(--ep-danger);color:var(--ep-danger)}.content{padding:20px 24px;flex:1;max-width:960px}.dashboard-welcome{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:8px;padding:24px 28px;margin-bottom:20px;color:#fff}.dashboard-welcome h1{font-size:1.35rem;font-weight:600;margin:0 0 6px}.dashboard-welcome p{font-size:.88rem;margin:0;opacity:.9;line-height:1.6}.dashboard-welcome .badge{background:#ffffff40;color:#fff;font-size:.75rem;padding:.1rem .55rem;border-radius:10px;font-weight:600;margin-left:8px}.banner{display:flex;align-items:flex-start;gap:1rem;padding:12px 16px;border-radius:6px;margin-bottom:20px}.banner-warning{background:#fdf6ec;border:1px solid #faecd8;color:var(--ep-warning)}.banner-content{flex:1}.banner-content strong{font-size:.9rem;font-weight:600}.banner-content p{margin:4px 0 0;font-size:.82rem;line-height:1.5;opacity:.85}.banner-close{background:none;border:none;cursor:pointer;font-size:1rem;color:var(--ep-text-placeholder);padding:2px;line-height:1;flex-shrink:0}.banner-close:hover{color:var(--ep-text-secondary)}.dashboard-card{background:#fff;border-radius:6px;padding:20px 24px;box-shadow:var(--ep-shadow-light);border:1px solid var(--ep-border-lighter);margin-bottom:20px}.dashboard-card h3{font-size:1.05rem;font-weight:600;color:var(--ep-text-primary);margin:0 0 4px}.dashboard-card-desc{font-size:.83rem;color:var(--ep-text-secondary);margin:0 0 16px;line-height:1.5}.dashboard-alert{border-radius:5px;padding:8px 14px;font-size:.83rem;margin-bottom:14px;text-align:center}.dashboard-alert-error{background:#fef0f0;border:1px solid #fde2e2;color:var(--ep-danger)}.dashboard-alert-success{background:#f0f9eb;border:1px solid #e1f3d8;color:var(--ep-success)}.dashboard-btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 18px;border-radius:var(--radius-base);font-size:13px;cursor:pointer;transition:all .15s;font-weight:500;font-family:inherit;border:1px solid var(--ep-border-base);background:#fff;color:var(--ep-text-regular);text-decoration:none;line-height:1.4}.dashboard-btn:hover{color:var(--ep-primary);border-color:var(--ep-primary);background:var(--ep-primary-light)}.dashboard-btn-primary{border:none;background:var(--ep-primary);color:#fff;font-weight:500}.dashboard-btn-primary:hover{background:var(--ep-primary-hover);color:#fff;box-shadow:0 4px 12px #409eff59}.dashboard-btn-primary:disabled{background:#a8c7fa;cursor:not-allowed;box-shadow:none}.dashboard-btn-danger-sm{padding:4px 10px;border-radius:var(--radius-base);font-size:12px;cursor:pointer;transition:all .15s;font-weight:500;font-family:inherit;border:1px solid #fde2e2;background:#fff;color:var(--ep-danger);line-height:1.5}.dashboard-btn-danger-sm:hover{background:#fef0f0;border-color:var(--ep-danger)}.dashboard-btn-danger-sm:disabled{opacity:.5;cursor:not-allowed}.dashboard-btn-ghost-sm{border:none;background:transparent;color:var(--ep-primary);padding:4px 8px;border-radius:var(--radius-base);font-size:12px;font-weight:500;cursor:pointer;font-family:inherit;text-decoration:none;transition:all .15s;line-height:1.5}.dashboard-btn-ghost-sm:hover{background:var(--ep-primary-light)}.dashboard-btn-sm{padding:4px 12px;border-radius:var(--radius-base);font-size:12px;font-weight:500;font-family:inherit;cursor:pointer;transition:all .15s;line-height:1.5;border:1px solid var(--ep-border-base);background:#fff;color:var(--ep-text-regular)}.dashboard-btn-sm:hover{border-color:var(--ep-primary);color:var(--ep-primary)}.dashboard-btn-primary.dashboard-btn-sm{background:var(--ep-primary);border-color:var(--ep-primary);color:#fff}.dashboard-btn-primary.dashboard-btn-sm:hover{background:var(--ep-primary-dark, #3a8ee6);border-color:var(--ep-primary-dark, #3a8ee6)}.narrow-form{max-width:420px}.narrow-form .form-group,.password-form .form-group{margin-bottom:16px}.narrow-form label,.password-form label{display:block;font-size:.84rem;font-weight:500;color:var(--ep-text-regular);margin-bottom:6px}.narrow-form input,.password-form input{width:100%;padding:8px 12px;border:1px solid var(--ep-border-base);border-radius:var(--radius-base);font-size:.88rem;color:var(--ep-text-primary);background:#fff;transition:all .2s;box-sizing:border-box;font-family:inherit}.narrow-form input:focus,.password-form input:focus{outline:none;border-color:var(--ep-primary);box-shadow:0 0 0 2px #409eff26}.narrow-form input::placeholder{color:var(--ep-text-placeholder)}.form-actions{margin-top:18px}.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:.73rem;font-weight:600;line-height:1.5}.badge-warning{background:#fdf6ec;color:var(--ep-warning)}.badge-error{background:#fef0f0;color:var(--ep-danger)}.badge-normal{background:var(--ep-primary-light);color:var(--ep-primary)}.admin-table-wrap,.log-table-wrap{overflow-x:auto}.admin-table,.log-table{width:100%;border-collapse:collapse;font-size:13px}.admin-table th,.admin-table td,.log-table th,.log-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--ep-border-lighter)}.admin-table th,.log-table th{font-weight:600;color:var(--ep-text-secondary);font-size:12px;background:var(--ep-bg-base);white-space:nowrap}.admin-table tbody tr:hover,.log-table tbody tr:hover{background:var(--ep-bg-base)}.admin-table tbody tr:last-child td,.log-table tbody tr:last-child td{border-bottom:none}.cell-email{font-weight:500;color:var(--ep-text-primary)}.cell-date{color:var(--ep-text-secondary);font-size:12px;white-space:nowrap}.cell-ip{font-family:SF Mono,Fira Code,Consolas,monospace;font-size:12px;color:var(--ep-text-regular)}.cell-detail{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ep-text-secondary);font-size:12px}.cell-current{font-size:12px;color:var(--ep-text-secondary);font-style:italic}.log-action{display:inline-block;padding:3px 8px;border-radius:4px;font-size:11px;font-weight:600;line-height:1.4}.log-action-login_success{background:#e8f5e9;color:#2e7d32}.log-action-login_failed{background:#ffebee;color:#c62828}.log-action-password_changed{background:#e3f2fd;color:#1565c0}.log-action-admin_created{background:#f3e5f5;color:#7b1fa2}.log-action-admin_deleted{background:#fff3e0;color:#e65100}.log-action-firmware_uploaded{background:#e0f7fa;color:#00695c}.log-action-firmware_deleted{background:#fce4ec;color:#880e4f}.log-action-firmware_downloaded{background:#e8eaf6;color:#283593}.date-nav{display:flex;align-items:center;gap:8px;margin-bottom:16px}.date-nav-btn{padding:6px 14px;border:1px solid var(--ep-border-base);border-radius:var(--radius-base);background:#fff;color:var(--ep-text-regular);font-size:12px;font-family:inherit;cursor:pointer;transition:all .15s;white-space:nowrap}.date-nav-btn:hover:not(:disabled){border-color:var(--ep-primary);color:var(--ep-primary)}.date-nav-btn:disabled{opacity:.4;cursor:not-allowed}.date-nav-input{flex:1;max-width:160px;padding:6px 10px;border:1px solid var(--ep-border-base);border-radius:var(--radius-base);font-size:13px;color:var(--ep-text-primary);text-align:center;font-family:inherit}.date-nav-input:focus{outline:none;border-color:var(--ep-primary)}.fw-version-badge{display:inline-block;padding:2px 8px;background:var(--ep-primary-light);color:var(--ep-primary);border-radius:4px;font-size:12px;font-weight:600}.fw-actions{display:flex;gap:6px;align-items:center}.list-loading,.list-empty{text-align:center;color:var(--ep-text-secondary);padding:24px 0;font-size:.85rem}.monitor-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}.monitor-card{background:#fff;border-radius:8px;padding:20px;box-shadow:var(--ep-shadow-light);border:1px solid var(--ep-border-lighter);text-align:center;transition:transform .15s,box-shadow .15s}.monitor-card:hover{transform:translateY(-2px);box-shadow:0 4px 16px #00000014}.monitor-card-icon{font-size:28px;margin-bottom:8px;line-height:1}.monitor-card-value{font-size:28px;font-weight:700;color:var(--ep-primary);line-height:1.3}.monitor-card-label{font-size:13px;color:var(--ep-text-secondary);margin-top:4px}.monitor-card-value.green{color:var(--ep-success)}.monitor-card-value.orange{color:var(--ep-warning)}.monitor-card-value.purple{color:#7c3aed}.monitor-subtitle{font-size:1rem;font-weight:600;color:var(--ep-text-primary);margin:0 0 4px}.monitor-subtitle-desc{font-size:.83rem;color:var(--ep-text-secondary);margin:0 0 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5px;border-radius:3px}.text-warning{color:var(--ep-warning)}.log-table tbody tr{cursor:pointer}.pagination{display:flex;align-items:center;justify-content:center;gap:4px;margin-top:20px;padding-top:16px;border-top:1px solid var(--ep-border-lighter);flex-wrap:wrap}.pagination-btn{min-width:32px;padding:5px 10px;border:1px solid var(--ep-border-base);border-radius:var(--radius-base);background:#fff;color:var(--ep-text-regular);font-size:13px;font-family:inherit;cursor:pointer;transition:all .15s;text-align:center}.pagination-btn:hover:not(:disabled):not(.active){border-color:var(--ep-primary);color:var(--ep-primary)}.pagination-btn.active{background:var(--ep-primary);border-color:var(--ep-primary);color:#fff;font-weight:600}.pagination-btn:disabled{opacity:.4;cursor:not-allowed}.pagination-info{font-size:13px;color:var(--ep-text-secondary);margin:0 8px;white-space:nowrap}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000073;z-index:2000;display:flex;align-items:center;justify-content:center;padding:20px}.modal-box{background:#fff;border-radius:8px;box-shadow:0 8px 30px #00000026;width:100%;max-width:560px;max-height:80vh;overflow-y:auto;animation:modal-in .2s ease}@keyframes modal-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--ep-border-lighter)}.modal-header h3{margin:0;font-size:1rem;font-weight:600;color:var(--ep-text-primary)}.modal-close{background:none;border:none;font-size:20px;cursor:pointer;color:var(--ep-text-placeholder);padding:2px 6px;border-radius:var(--radius-base);line-height:1}.modal-close:hover{background:var(--ep-bg-base);color:var(--ep-text-secondary)}.modal-body{padding:20px}.modal-field{display:flex;padding:8px 0;border-bottom:1px solid var(--ep-border-lighter);font-size:14px}.modal-field:last-child{border-bottom:none}.modal-field-label{width:90px;flex-shrink:0;color:var(--ep-text-secondary);font-weight:500}.modal-field-value{flex:1;color:var(--ep-text-primary);word-break:break-all}.modal-field-value.mono{font-family:SF Mono,Fira Code,Consolas,monospace;font-size:13px}.modal-footer{padding:12px 20px;border-top:1px solid var(--ep-border-lighter);text-align:right}@media(max-width:768px){.sidebar{width:240px;transform:translate(-100%);transition:transform .25s ease;box-shadow:none}.sidebar-open .sidebar{transform:translate(0);box-shadow:0 0 20px #00000026}.layout:not(.sidebar-open) .sidebar{width:240px}.sidebar-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:#0000004d;z-index:999}.sidebar-open .sidebar-overlay{display:block}.main-area,.layout:not(.sidebar-open) .main-area{margin-left:0}.content{padding:16px}.topbar-title{font-size:15px}.topbar-user{display:none}}#root{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.react:hover{filter:drop-shadow(0 0 2em #61dafbaa)}.logo.cloudflare:hover{filter:drop-shadow(0 0 2em #f6821faa)}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(prefers-reduced-motion:no-preference){a:nth-of-type(2) .logo{animation:logo-spin infinite 20s linear}}.card{padding:2em}.read-the-docs{color:#888}.public-page{min-height:100vh;background:#f5f7fa;display:flex;flex-direction:column}.public-header{background:linear-gradient(135deg,#1a1a2e,#16213e,#0f3460);color:#fff;padding:40px 24px;text-align:center}.public-header h1{font-size:1.8rem;font-weight:700;margin:0 0 8px;letter-spacing:2px}.public-header .header-subtitle{font-size:1rem;opacity:.85;margin:0 0 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