:root{--color-bg: #FFFFFF;--color-bg-secondary: #F5F5F5;--color-bg-sidebar: #1A1A1A;--color-text: #1A1A1A;--color-text-secondary: #666666;--color-border: #D4D4D4;--color-emphasis: #000000;--color-alert-bg: #EBEBEB;--risk-low: #999999;--risk-medium: #666666;--risk-high: #333333;--risk-critical: #000000;--font-sans: system-ui, "Segoe UI", "Inter", sans-serif;--font-mono: "SF Mono", "Fira Code", "Consolas", monospace;--sidebar-width: 240px;--header-height: 48px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);color:var(--color-text);background-color:var(--color-bg);font-size:14px;line-height:1.5}a{color:var(--color-text);text-decoration:none}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background-color:var(--color-bg-sidebar);color:#fff;position:fixed;top:0;left:0;bottom:0;overflow-y:auto;z-index:100}.sidebar-header{padding:16px 20px;border-bottom:1px solid #333333}.sidebar-header h1{font-size:18px;font-weight:700;letter-spacing:2px}.sidebar-header .subtitle{font-size:11px;color:#999;margin-top:4px}.sidebar-nav{padding:12px 0}.nav-section{margin-bottom:8px}.nav-section-title{padding:8px 20px;font-size:11px;text-transform:uppercase;letter-spacing:1px;color:#666}.nav-item{display:flex;align-items:center;padding:8px 20px;font-size:13px;color:#ccc;cursor:pointer;transition:background-color .15s}.nav-item:hover{background-color:#333;color:#fff}.nav-item.active{background-color:#444;color:#fff;border-left:3px solid #FFFFFF}.nav-item .icon{width:20px;margin-right:10px;text-align:center;font-size:14px}.main-content{margin-left:var(--sidebar-width);flex:1;display:flex;flex-direction:column}.top-header{height:var(--header-height);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:var(--color-bg)}.breadcrumb{font-size:13px;color:var(--color-text-secondary)}.user-info{display:flex;align-items:center;gap:12px;font-size:13px}.page-content{padding:24px;flex:1}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-title{font-size:20px;font-weight:600;color:var(--color-emphasis)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.stat-card{border:1px solid var(--color-border);padding:16px;background:var(--color-bg)}.stat-card .label{font-size:12px;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}.stat-card .value{font-size:28px;font-weight:700;color:var(--color-emphasis);font-family:var(--font-mono)}.filter-bar{display:flex;gap:12px;padding:12px 16px;background:var(--color-bg-secondary);border:1px solid var(--color-border);margin-bottom:16px;flex-wrap:wrap}.filter-bar select,.filter-bar input{padding:6px 10px;border:1px solid var(--color-border);background:var(--color-bg);font-size:13px;font-family:var(--font-sans)}.filter-bar select:focus,.filter-bar input:focus{outline:none;border-color:var(--color-emphasis)}.data-table-wrapper{border:1px solid var(--color-border);overflow-x:auto}.data-table{width:100%;border-collapse:collapse;font-size:13px}.data-table th{background:var(--color-bg-secondary);padding:10px 12px;text-align:left;font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--color-text-secondary);border-bottom:1px solid var(--color-border);white-space:nowrap}.data-table td{padding:10px 12px;border-bottom:1px solid var(--color-border);vertical-align:top}.data-table tr:hover{background:var(--color-bg-secondary)}.data-table .mono{font-family:var(--font-mono);font-size:12px}.risk-badge{display:inline-flex;align-items:center;gap:6px;padding:2px 8px;font-size:12px;font-weight:500}.risk-badge .blocks{letter-spacing:2px}.risk-badge.low{color:var(--risk-low)}.risk-badge.medium{color:var(--risk-medium)}.risk-badge.high{color:var(--risk-high);font-weight:600}.risk-badge.critical{color:var(--risk-critical);font-weight:700;background:var(--color-alert-bg);border-left:3px solid var(--color-emphasis)}.status-badge{display:inline-block;padding:2px 8px;font-size:12px;border:1px solid var(--color-border);background:var(--color-bg)}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;font-size:13px;font-family:var(--font-sans);cursor:pointer;border:1px solid var(--color-emphasis);background:var(--color-bg);color:var(--color-text);transition:all .15s}.btn:hover,.btn-primary{background:var(--color-emphasis);color:var(--color-bg)}.btn-primary:hover{background:#333}.btn-sm{padding:4px 10px;font-size:12px}.pagination{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-top:1px solid var(--color-border);font-size:13px;color:var(--color-text-secondary)}.pagination-controls{display:flex;gap:4px}.pagination-controls button{padding:4px 10px;border:1px solid var(--color-border);background:var(--color-bg);cursor:pointer;font-size:12px}.pagination-controls button.active{background:var(--color-emphasis);color:var(--color-bg);border-color:var(--color-emphasis)}.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--color-bg-secondary)}.login-box{width:400px;padding:40px;background:var(--color-bg);border:1px solid var(--color-border)}.login-box h1{font-size:24px;font-weight:700;letter-spacing:3px;margin-bottom:8px;text-align:center}.login-box .subtitle{font-size:13px;color:var(--color-text-secondary);text-align:center;margin-bottom:32px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--color-text-secondary);margin-bottom:6px}.form-group input{width:100%;padding:10px 12px;border:1px solid var(--color-border);font-size:14px;font-family:var(--font-sans)}.form-group input:focus{outline:none;border-color:var(--color-emphasis)}.error-message{padding:8px 12px;background:var(--color-alert-bg);border-left:3px solid var(--color-emphasis);font-size:13px;margin-bottom:16px}.tabs{display:flex;border-bottom:1px solid var(--color-border);margin-bottom:20px}.tab{padding:10px 16px;font-size:13px;cursor:pointer;border-bottom:2px solid transparent;color:var(--color-text-secondary);transition:all .15s}.tab:hover{color:var(--color-text)}.tab.active{color:var(--color-emphasis);border-bottom-color:var(--color-emphasis);font-weight:600}@media (max-width: 1024px){.stats-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.sidebar{display:none}.main-content{margin-left:0}.stats-grid{grid-template-columns:1fr}}