:root {
  --bg: #0f1117;
  --bg2: #1a1d27;
  --bg3: #242836;
  --border: #2d3348;
  --text: #e4e6f0;
  --text2: #8b8fa8;
  --primary: #6366f1;
  --primary-hover: #818cf8;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }

/* 登录页 */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(135deg, #0f1117 0%, #1a1d27 50%, #0f1117 100%); }
.login-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 16px; padding: 48px 40px; width: 380px; text-align: center; }
.login-logo { font-size: 48px; margin-bottom: 12px; }
.login-card h1 { font-size: 24px; margin-bottom: 4px; }
.login-sub { color: var(--text2); margin-bottom: 28px; font-size: 14px; }
.login-card input { width: 100%; padding: 12px 16px; background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 14px; margin-bottom: 12px; outline: none; transition: border-color .2s; }
.login-card input:focus { border-color: var(--primary); }
.error-msg { color: var(--danger); font-size: 13px; margin-top: 8px; min-height: 20px; }

/* 按钮 */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border: none; border-radius: 8px; font-size: 14px; cursor: pointer; transition: all .2s; color: #fff; }
.btn-primary { background: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); }
.btn-success { background: var(--success); }
.btn-danger { background: var(--danger); }
.btn-ghost { background: transparent; color: var(--text2); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--bg3); color: var(--text); }
.btn-block { width: 100%; justify-content: center; padding: 12px; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* 布局 */
#mainPage { display: flex; min-height: 100vh; }
.sidebar { width: 220px; background: var(--bg2); border-right: 1px solid var(--border); display: flex; flex-direction: column; position: fixed; top: 0; left: 0; bottom: 0; z-index: 10; }
.sidebar-header { padding: 20px 16px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--border); }
.sidebar-logo { font-size: 24px; }
.sidebar-title { font-size: 16px; font-weight: 600; }
.nav-list { list-style: none; padding: 12px 8px; flex: 1; }
.nav-item { padding: 10px 12px; border-radius: 8px; cursor: pointer; display: flex; align-items: center; gap: 10px; color: var(--text2); transition: all .2s; margin-bottom: 2px; font-size: 14px; }
.nav-item:hover { background: var(--bg3); color: var(--text); }
.nav-item.active { background: var(--primary); color: #fff; }
.nav-icon { font-size: 16px; width: 20px; text-align: center; }
.sidebar-footer { padding: 16px; border-top: 1px solid var(--border); }
.user-info { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; font-size: 13px; }
.role-badge { background: var(--bg3); padding: 2px 8px; border-radius: 4px; font-size: 11px; color: var(--text2); }

.content { flex: 1; margin-left: 220px; padding: 24px 32px; }
.content-page h2 { font-size: 22px; margin-bottom: 20px; }

/* 统计卡片 */
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.stat-card .stat-label { font-size: 13px; color: var(--text2); margin-bottom: 8px; }
.stat-card .stat-value { font-size: 28px; font-weight: 700; }
.stat-card .stat-sub { font-size: 12px; color: var(--text2); margin-top: 4px; }

/* 服务网格 */
.service-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.svc-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 16px; transition: border-color .2s; }
.svc-card:hover { border-color: var(--primary); }
.svc-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.svc-card-name { font-weight: 600; font-size: 14px; }
.svc-status { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.svc-status.online { background: var(--success); box-shadow: 0 0 6px var(--success); }
.svc-status.offline, .svc-status.error, .svc-status.timeout { background: var(--danger); box-shadow: 0 0 6px var(--danger); }
.svc-status.unknown { background: var(--text2); }
.svc-card-desc { font-size: 12px; color: var(--text2); margin-bottom: 8px; }
.svc-card-meta { display: flex; gap: 12px; font-size: 11px; color: var(--text2); flex-wrap: wrap; }
.svc-card-meta span { background: var(--bg3); padding: 2px 8px; border-radius: 4px; }
.svc-server-tag { font-size: 11px; padding: 2px 6px; border-radius: 4px; }
.svc-server-tag.ubuntu { background: #1e3a2f; color: #22c55e; }
.svc-server-tag.windows { background: #2d2a1a; color: #f59e0b; }

/* 服务详情列表 */
.service-detail-list { display: flex; flex-direction: column; gap: 12px; }
.svc-detail-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 20px; }
.svc-detail-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; }
.svc-detail-left { flex: 1; }
.svc-detail-name { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.svc-detail-desc { font-size: 13px; color: var(--text2); }
.svc-detail-info { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 8px; font-size: 13px; }
.svc-detail-info .info-item { display: flex; gap: 8px; }
.svc-detail-info .info-label { color: var(--text2); min-width: 60px; }

/* 工具栏 */
.toolbar { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.select { padding: 8px 12px; background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 13px; outline: none; }

/* 表格 */
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th { text-align: left; padding: 10px 12px; background: var(--bg3); color: var(--text2); font-weight: 500; border-bottom: 1px solid var(--border); white-space: nowrap; }
.table td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
.table tr:hover td { background: var(--bg2); }
.key-value { font-family: 'SF Mono', 'Fira Code', monospace; font-size: 12px; background: var(--bg3); padding: 2px 6px; border-radius: 4px; cursor: pointer; }
.key-value:hover { background: var(--primary); color: #fff; }
.status-active { color: var(--success); }
.status-disabled { color: var(--danger); }
.status-badge { padding: 2px 8px; border-radius: 4px; font-size: 11px; }
.status-badge.active { background: #1e3a2f; color: var(--success); }
.status-badge.disabled { background: #3a1e1e; color: var(--danger); }

/* 分页 */
.pagination { display: flex; gap: 4px; align-items: center; margin-left: auto; }
.pagination button { padding: 4px 10px; background: var(--bg3); border: 1px solid var(--border); border-radius: 6px; color: var(--text2); cursor: pointer; font-size: 12px; }
.pagination button:hover { background: var(--primary); color: #fff; }
.pagination button.active { background: var(--primary); color: #fff; }
.pagination span { font-size: 12px; color: var(--text2); }

/* 模态框 */
.modal { position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: 100; display: flex; align-items: center; justify-content: center; }
.modal-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,.6); }
.modal-content { position: relative; background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; width: 480px; max-width: 90vw; max-height: 80vh; overflow-y: auto; }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.modal-header h3 { font-size: 16px; }
.modal-close { background: none; border: none; color: var(--text2); font-size: 24px; cursor: pointer; }
.modal-body { padding: 20px; }
.modal-body label { display: block; font-size: 13px; color: var(--text2); margin-bottom: 4px; margin-top: 12px; }
.modal-body label:first-child { margin-top: 0; }
.modal-body input, .modal-body select { width: 100%; padding: 10px 12px; background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 14px; outline: none; }
.modal-body input:focus, .modal-body select:focus { border-color: var(--primary); }
.modal-body .btn { margin-top: 20px; }
.modal-body .checkbox-group { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.modal-body .checkbox-group label { display: flex; align-items: center; gap: 4px; background: var(--bg3); padding: 4px 10px; border-radius: 6px; cursor: pointer; margin: 0; }
.modal-body .checkbox-group input[type="checkbox"] { width: auto; }

/* Section */
.section { margin-bottom: 24px; }
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.section-header h3 { font-size: 16px; }

/* Toast */
.toast { position: fixed; top: 20px; right: 20px; background: var(--bg2); border: 1px solid var(--border); border-radius: 8px; padding: 12px 20px; font-size: 14px; z-index: 200; animation: slideIn .3s ease; }
.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--danger); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* 响应式 */
@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar-title, .nav-item span:not(.nav-icon), .sidebar-footer .user-info, .sidebar-footer .btn { display: none; }
  .nav-item { justify-content: center; padding: 12px; }
  .content { margin-left: 60px; padding: 16px; }
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
}