:root{--primary: #3b82f6;--primary-dark: #2563eb;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--info: #8b5cf6;--bg: #f1f5f9;--bg-card: #ffffff;--text: #1e293b;--text-secondary: #64748b;--border: #e2e8f0;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.08)}html,body,#app{margin:0;padding:0;width:100%;min-height:100vh}body{background:var(--bg);color:var(--text)}.app-layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--bg-card);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0}.sidebar-header{padding:20px;font-size:18px;font-weight:700;color:var(--primary);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px}.nav-item{display:flex;align-items:center;gap:10px;padding:12px 20px;cursor:pointer;color:var(--text-secondary);font-size:14px;border-left:3px solid transparent;transition:all .2s;text-decoration:none}.nav-item:hover{background:var(--bg);color:var(--text)}.nav-item.active{color:var(--primary);background:#eff6ff;border-left-color:var(--primary);font-weight:600}.nav-item.drag-over{background:#e0f0ff;border:2px dashed var(--primary);border-radius:6px;transform:scale(1.02)}.drag-handle{font-size:14px;color:var(--text-secondary);cursor:grab;letter-spacing:-3px;opacity:.3;margin-right:2px}.drag-handle:active{cursor:grabbing}.nav-item:hover .drag-handle{opacity:.7}.nav-icon{font-size:18px;width:20px;text-align:center}.nav-footer{margin-top:auto;padding:16px 20px;border-top:1px solid var(--border);font-size:12px;color:var(--text-secondary)}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden}.topbar{height:56px;background:var(--bg-card);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;flex-shrink:0}.topbar-title{font-size:16px;font-weight:600}.topbar-right{display:flex;align-items:center;gap:16px;font-size:14px}.page-content{flex:1;padding:24px;overflow-y:auto}.card{background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:20px}.card-header{font-size:15px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:8px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:16px;margin-bottom:16px}.stat-card{position:relative;overflow:hidden;background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 16px 14px;text-align:center;transition:transform .2s,box-shadow .2s}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--stat-color, var(--primary))}.stat-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.stat-value{font-size:30px;font-weight:800;letter-spacing:-.5px}.stat-label{font-size:12px;color:var(--text-secondary);margin-top:4px}.today-summary{background:linear-gradient(135deg,#eff6ff,#f8fafc);border:1px solid #dbeafe;border-radius:var(--radius);margin-bottom:20px;overflow:hidden}.ts-header{padding:7px 16px;text-align:center;font-size:13px;font-weight:600;letter-spacing:2px;color:var(--primary);background:#dbeafe8c;border-bottom:1px solid #dbeafe}.ts-grid{display:grid;grid-template-columns:repeat(3,1fr);padding:12px 20px}.ts-item{text-align:center}.ts-item+.ts-item{border-left:1px solid #e0eaff}.ts-value{font-size:22px;font-weight:700;color:var(--primary)}.ts-unit{font-size:12px;font-weight:500;color:var(--text-secondary);margin-left:2px}.ts-label{font-size:11px;color:var(--text-secondary);margin-top:2px}.platform-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.platform-card{background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 20px 14px;cursor:pointer;transition:transform .2s,box-shadow .2s;border:2px solid transparent;position:relative}.platform-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.platform-card.active{border-color:var(--primary)}.platform-name{font-size:18px;font-weight:700;margin-bottom:4px}.platform-url{font-size:12px;color:var(--text-secondary);margin-bottom:16px;word-break:break-all}.platform-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.ps-item{text-align:center;padding:8px;background:var(--bg);border-radius:6px;transition:transform .15s}.ps-item:hover{transform:translateY(-1px)}.ps-total{grid-column:span 4;background:linear-gradient(135deg,#eff6ff,#f8fafc);border:1px solid #dbeafe}.ps-total .ps-value{font-size:26px}.ps-total .ps-label{color:var(--primary);font-weight:600}.ps-offline{border:1px dashed #d1d5db;background:#f9fafb}.ps-value{font-size:20px;font-weight:700;color:var(--primary)}.ps-label{font-size:11px;color:var(--text-secondary)}.platform-status{position:absolute;top:16px;right:16px;font-size:12px;padding:3px 10px;border-radius:12px;font-weight:500}.status-connected{background:#d1fae5;color:#065f46}.status-api{background:#dbeafe;color:#1e40af}.status-iframe{background:#fef3c7;color:#92400e}.data-table{width:100%;border-collapse:collapse;font-size:14px}.data-table th{text-align:left;padding:10px 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8px;border-radius:10px;font-size:12px;font-weight:500}.badge-online{background:#d1fae5;color:#065f46}.badge-working{background:#dbeafe;color:#1e40af}.badge-charging{background:#fef3c7;color:#92400e}.badge-alarm{background:#fee2e2;color:#991b1b}.badge-offline{background:#e2e8f0;color:#475569}.badge-unknown{background:#f3f4f6;color:#9ca3af}.badge-warning{background:#fff7ed;color:#c2410c}.battery-bar{width:60px;height:8px;background:#e2e8f0;border-radius:4px;overflow:hidden;margin-bottom:2px;display:inline-block;vertical-align:middle;margin-right:4px}.battery-fill{height:100%;border-radius:4px;transition:width .3s}.row-fatal{background:#fef2f2!important}.row-fatal:hover td{background:#fee2e2!important}.login-page{position:fixed;top:0;left:0;width:100vw;height:100vh;display:flex;align-items:center;justify-content:center;padding:40px;background:linear-gradient(135deg,#667eea,#764ba2);box-sizing:border-box;z-index:1}.login-box{background:#fff;border-radius:16px;padding:48px 44px;width:100%;max-width:440px;box-shadow:0 20px 60px #0003;box-sizing:border-box}.login-title{font-size:28px;font-weight:700;text-align:center;margin-bottom:8px;color:#1a1a2e}.login-subtitle{text-align:center;color:var(--text-secondary);font-size:16px;margin-bottom:36px}@media (max-width: 768px){.login-page{padding:24px}.login-box{max-width:400px;padding:40px 32px}.login-title{font-size:24px}.login-subtitle{font-size:14px;margin-bottom:28px}}@media (max-width: 480px){.login-page{padding:16px}.login-box{max-width:100%;padding:32px 20px;border-radius:12px}.login-title{font-size:22px}.login-subtitle{font-size:13px;margin-bottom:24px}}.form-group{margin-bottom:20px}.form-label{display:block;font-size:14px;font-weight:500;margin-bottom:6px}.form-input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;outline:none;transition:border-color .2s}.form-input:focus{border-color:var(--primary)}.error-msg{color:var(--danger);font-size:13px;text-align:center;margin-bottom:16px}.message-tip{background:#fff7ed;border:1px solid #fdba74;border-radius:var(--radius);padding:12px 16px;margin-bottom:20px;font-size:13px;color:#92400e;display:flex;align-items:center;gap:8px}.message-tip .tip-icon{font-size:20px}.message-bell{position:relative;cursor:pointer;padding:4px}.message-bell-icon{font-size:22px}.message-badge{position:absolute;top:-4px;right:-6px;min-width:18px;height:18px;line-height:18px;background:var(--danger);color:#fff;font-size:11px;font-weight:700;border-radius:9px;text-align:center;padding:0 5px}.message-dropdown{position:fixed;top:56px;right:80px;width:380px;max-height:480px;background:var(--bg-card);border-radius:var(--radius);box-shadow:0 10px 40px #00000026;border:1px solid var(--border);z-index:1000;display:flex;flex-direction:column;overflow:hidden}.message-dd-header{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:600}.message-dd-header .read-all-btn{font-size:12px;color:var(--primary);cursor:pointer;font-weight:400}.message-dd-list{overflow-y:auto;flex:1}.message-dd-item{padding:12px 16px;border-bottom:1px solid var(--border);cursor:pointer;transition:background .15s}.message-dd-item:hover{background:var(--bg)}.message-dd-item.unread{background:#f0f9ff;border-left:3px solid var(--primary)}.message-dd-item .msg-title{font-size:13px;font-weight:600;margin-bottom:4px;display:flex;align-items:center;gap:6px}.message-dd-item .msg-meta{font-size:11px;color:var(--text-secondary);display:flex;gap:12px}.message-dd-empty{padding:40px 16px;text-align:center;color:var(--text-secondary);font-size:14px}.message-dd-footer{padding:10px 16px;border-top:1px solid var(--border);text-align:center;font-size:13px;color:var(--primary);cursor:pointer}.search-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:12px 16px;margin-bottom:16px;background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow)}.search-input{padding:6px 10px;border:1px solid var(--border);border-radius:6px;font-size:13px;outline:none;transition:border-color .2s}.search-input:focus{border-color:var(--primary)}.search-date{width:150px}.pagination{display:flex;align-items:center;justify-content:center;gap:8px;padding:16px 0}.pagination-info{font-size:13px;color:var(--text-secondary);margin-right:12px}.pagination-controls{display:flex;gap:4px}.page-btn{min-width:34px;height:34px;border:1px solid var(--border);border-radius:6px;background:var(--bg-card);font-size:13px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s}.page-btn:hover:not(:disabled):not(.active){border-color:var(--primary);color:var(--primary)}.page-btn.active{background:var(--primary);color:#fff;border-color:var(--primary);font-weight:600}.page-btn:disabled{opacity:.4;cursor:not-allowed}.page-size-select{padding:6px 10px;border:1px solid var(--border);border-radius:6px;font-size:13px;outline:none;background:var(--bg-card);margin-left:12px}.iframe-container{flex:1;position:relative}.iframe-container iframe{width:100%;height:100%;border:none;position:absolute;top:0;left:0}.iframe-toolbar{height:40px;background:var(--bg-card);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 16px;gap:12px;flex-shrink:0}.iframe-toolbar span{font-size:13px;color:var(--text-secondary)}.loading{text-align:center;padding:40px;color:var(--text-secondary)}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 12px}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 1024px){.platform-grid,.stats-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.sidebar{width:60px}.sidebar .nav-item span,.sidebar .sidebar-header span{display:none}.platform-grid{grid-template-columns:1fr}.ts-grid{grid-template-columns:1fr;padding:10px 12px}.ts-grid .ts-item+.ts-item{border-left:none;border-top:1px solid #e0eaff;padding-top:8px;margin-top:8px}}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0006;z-index:2000;display:flex;align-items:center;justify-content:center}.modal-box{background:var(--bg-card);border-radius:var(--radius);box-shadow:0 20px 60px #0003;width:440px;max-height:80vh;overflow-y:auto;padding:28px}.modal-title{font-size:17px;font-weight:600;margin-bottom:20px}.modal-footer{display:flex;gap:10px;justify-content:flex-end;margin-top:24px}.btn{width:100%;padding:12px;border:none;border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer;transition:background .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-danger{background:transparent;color:var(--danger);border:1px solid var(--danger)}.btn-danger:hover{background:var(--danger);color:#fff}.btn-sm{width:auto;padding:6px 14px;font-size:13px}.btn-xs{width:auto;padding:4px 10px;font-size:12px}.form-group{margin-bottom:16px}.form-label{display:block;font-size:13px;font-weight:500;margin-bottom:5px;color:var(--text-secondary)}.form-input,.form-select{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px;outline:none;transition:border-color .2s;box-sizing:border-box}.form-input:focus,.form-select:focus{border-color:var(--primary)}.form-row{display:flex;gap:12px}.form-row>*{flex:1}.empty-state{text-align:center;padding:60px 20px;color:var(--text-secondary);font-size:14px}.empty-icon{font-size:48px;margin-bottom:12px}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}.toolbar-left{display:flex;align-items:center;gap:8px}.confirm-text{font-size:14px;color:var(--text-secondary);line-height:1.6}.confirm-text strong{color:var(--text)}