*{box-sizing:border-box;margin:0;padding:0}:root{--primary: #2563eb;--primary-light: #3b82f6;--primary-dark: #1d4ed8;--primary-bg: #eff6ff;--danger: #dc2626;--danger-bg: #fef2f2;--warning: #d97706;--warning-bg: #fffbeb;--success: #16a34a;--success-bg: #f0fdf4;--text: #1f2937;--text-secondary: #6b7280;--border: #e5e7eb;--bg: #f3f4f6;--card-bg: #ffffff;--sidebar-bg: #111827;--sidebar-text: #9ca3af;--sidebar-active: #ffffff;--shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .04);--radius: 8px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;color:var(--text);background:var(--bg);font-size:14px;line-height:1.6}#app{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;overflow-y:auto}.sidebar-brand{padding:20px 16px;font-size:17px;font-weight:700;color:#fff;border-bottom:1px solid rgba(255,255,255,.08);letter-spacing:1px}.sidebar-section-title{padding:14px 16px 6px;font-size:11px;text-transform:uppercase;letter-spacing:1px;color:#6b7280}.sidebar a{display:block;padding:10px 16px;color:var(--sidebar-text);text-decoration:none;cursor:pointer;border-left:3px solid transparent;transition:all .15s}.sidebar a:hover{color:#e5e7eb;background:#ffffff0d}.sidebar a.active{color:var(--sidebar-active);background:#3b82f626;border-left-color:var(--primary-light)}.main{flex:1;margin-left:220px;padding:24px 28px;min-width:0}.page-header{margin-bottom:20px}.page-header h1{font-size:22px;font-weight:700;margin-bottom:4px}.page-header p{color:var(--text-secondary)}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:20px}.card h3{font-size:15px;margin-bottom:14px;font-weight:600}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}label.field{display:block;margin-bottom:14px}label.field span{display:block;margin-bottom:6px;font-weight:500;color:#374151}input[type=text],input[type=number],input[type=date],input[type=time],select,textarea{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;font-size:14px;background:#fff;color:var(--text);outline:none;transition:border-color .15s}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border:1px solid var(--border);border-radius:6px;background:#fff;color:var(--text);font-size:14px;cursor:pointer;transition:all .15s;text-decoration:none}.btn:hover{background:#f9fafb}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-danger{background:var(--danger-bg);border-color:#fecaca;color:var(--danger)}.btn-danger:hover{background:#fee2e2}.btn-sm{padding:4px 10px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed}table.data-table{width:100%;border-collapse:collapse}table.data-table th,table.data-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border)}table.data-table th{font-weight:600;color:var(--text-secondary);background:#f9fafb;white-space:nowrap}table.data-table tr:hover td{background:#f9fafb}.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:500}.badge-blue{background:var(--primary-bg);color:var(--primary-dark)}.badge-red{background:var(--danger-bg);color:var(--danger)}.badge-green{background:var(--success-bg);color:var(--success)}.badge-amber{background:var(--warning-bg);color:var(--warning)}.badge-gray{background:#f3f4f6;color:var(--text-secondary)}.alert{padding:10px 14px;border-radius:6px;margin-bottom:14px;font-size:14px}.alert-error{background:var(--danger-bg);color:var(--danger);border:1px solid #fecaca}.alert-success{background:var(--success-bg);color:var(--success);border:1px solid #bbf7d0}.alert-info{background:var(--primary-bg);color:var(--primary-dark);border:1px solid #bfdbfe}.empty-state{text-align:center;color:var(--text-secondary);padding:40px 0}.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}.toolbar .spacer{flex:1}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mb-16{margin-bottom:16px}.muted{color:var(--text-secondary);font-size:13px}.tag-list{display:flex;flex-wrap:wrap;gap:6px}.tag-list .badge{cursor:default}