:root{--color-primary:#ff4d2e;--color-primary-dark:#e63e1f;--color-resource:#22c55e;--color-demand:#f97316;--color-warning:#f59e0b;--color-error:#ef4444;--color-success:#10b981;--color-info:#3b82f6;--text-primary:#1f2937;--text-secondary:#6b7280;--text-tertiary:#9ca3af;--border:#e5e7eb;--bg-light:#f9fafb;--bg-gray:#f3f4f6;--shadow:0 1px 3px rgba(0,0,0,.08)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px;color:var(--text-primary);background:var(--bg-light)}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none}.layout{display:flex;min-height:100vh}.sidebar{width:200px;background:#1f2937;color:#fff;padding:16px 0}.sidebar-logo{padding:0 16px 16px;border-bottom:1px solid #374151;margin-bottom:16px;font-size:16px;font-weight:700;color:var(--color-primary)}.nav-item{display:block;padding:10px 16px;color:#d1d5db}.nav-item.active{color:#fff;border-left:3px solid var(--color-primary)}.nav-item.active,.nav-item:hover{background:#374151}.main{flex:1 1;padding:24px;overflow-x:auto}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.page-title{font-size:22px;font-weight:700}.card{background:#fff;border-radius:8px;box-shadow:var(--shadow);padding:16px;margin-bottom:16px}.table{width:100%;border-collapse:collapse}.table td,.table th{padding:12px;border-bottom:1px solid var(--border);text-align:left;font-size:13px}.table th{background:var(--bg-gray);font-weight:600;color:var(--text-secondary)}.table tr:hover td{background:var(--bg-light)}.btn{padding:8px 14px;border-radius:6px;font-size:13px;cursor:pointer;border:1px solid transparent}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark)}.btn-outline{background:#fff;color:var(--color-primary);border-color:var(--color-primary)}.btn-sm{padding:4px 10px;font-size:12px}.btn-danger{background:var(--color-error);color:#fff}.stat-card{background:#fff;padding:16px;border-radius:8px;box-shadow:var(--shadow)}.stat-value{font-size:28px;font-weight:800;color:var(--color-primary);margin:8px 0 4px}.stat-label{font-size:12px;color:var(--text-tertiary)}.badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600}.badge-warn{background:#fef3c7;color:#92400e}.badge-error{background:#fee2e2;color:#991b1b}.badge-success{background:#dcfce7;color:#065f46}.badge-info{background:#dbeafe;color:#1e40af}.badge-gray{background:var(--bg-gray);color:var(--text-secondary)}