*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-tertiary: #f1f3f5;--text-primary: #1a1a1a;--text-secondary: #6b7280;--text-tertiary: #9ca3af;--border: #e5e7eb;--border-light: #f0f0f0;--accent: #3b82f6;--accent-light: #eff6ff;--accent-text: #1e40af;--success: #10b981;--success-light: #ecfdf5;--success-text: #065f46;--warning: #f59e0b;--warning-light: #fffbeb;--warning-text: #92400e;--danger: #ef4444;--danger-light: #fef2f2;--danger-text: #991b1b;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--sidebar-width: 240px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}body{font-family:var(--font);background:var(--bg-secondary);color:var(--text-primary);font-size:14px;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font-family:var(--font);cursor:pointer;border:1px solid var(--border);background:var(--bg-primary);padding:8px 16px;border-radius:var(--radius-md);font-size:13px;color:var(--text-primary);transition:all .15s}button:hover{background:var(--bg-secondary)}button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}button.primary:hover{opacity:.9}button.active{background:var(--accent-light);color:var(--accent-text);border-color:var(--accent)}button.danger{background:var(--danger-light);color:var(--danger-text);border-color:var(--danger)}input,select,textarea{font-family:var(--font);font-size:14px;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-primary);color:var(--text-primary);width:100%;outline:none;transition:border-color .15s}input:focus,select:focus,textarea:focus{border-color:var(--accent)}.card{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px}.metric-card{background:var(--bg-secondary);border-radius:var(--radius-md);padding:16px}.metric-card .label{font-size:13px;color:var(--text-secondary);margin-bottom:4px;display:flex;align-items:center;gap:6px}.metric-card .value{font-size:24px;font-weight:500}.metric-card .sub{font-size:12px;margin-top:2px}.badge{display:inline-flex;align-items:center;gap:4px;font-size:12px;padding:3px 10px;border-radius:var(--radius-sm);font-weight:500}.badge.success{background:var(--success-light);color:var(--success-text)}.badge.warning{background:var(--warning-light);color:var(--warning-text)}.badge.danger{background:var(--danger-light);color:var(--danger-text)}.badge.info{background:var(--accent-light);color:var(--accent-text)}.grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.table-wrapper{overflow-x:auto}table{width:100%;border-collapse:collapse}table th{text-align:left;font-size:12px;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;padding:8px 12px;border-bottom:1px solid var(--border)}table td{padding:10px 12px;border-bottom:1px solid var(--border-light);font-size:13px}table tr:hover{background:var(--bg-secondary)}.layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--bg-primary);border-right:1px solid var(--border);padding:24px 0;position:fixed;top:0;left:0;bottom:0;overflow-y:auto;z-index:10}.sidebar-logo{display:flex;align-items:center;gap:10px;padding:0 20px;margin-bottom:32px;font-size:18px;font-weight:500}.sidebar-logo i{font-size:24px;color:var(--accent)}.sidebar-section{padding:0 12px;margin-bottom:8px}.sidebar-section-label{font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.5px;color:var(--text-tertiary);padding:0 8px;margin-bottom:4px}.sidebar-link{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:var(--radius-md);color:var(--text-secondary);font-size:14px;text-decoration:none;transition:all .15s}.sidebar-link:hover{background:var(--bg-secondary);color:var(--text-primary);text-decoration:none}.sidebar-link.active{background:var(--accent-light);color:var(--accent-text)}.sidebar-link i{font-size:18px}.main-content{margin-left:var(--sidebar-width);flex:1;padding:24px 32px;max-width:1100px}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.page-header h1{font-size:22px;font-weight:500}.device-bar{display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--text-secondary);margin-bottom:24px}.device-bar span{display:flex;align-items:center;gap:5px}.device-bar i{font-size:15px}@media (max-width: 768px){.sidebar{display:none}.main-content{margin-left:0;padding:16px}}