/* 设计令牌 */
:root {
  /* 颜色 */
  --color-primary-main: #667eea;
  --color-primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --color-primary-light: #8b9ff0;
  --color-primary-dark: #4f5db8;
  --color-success-main: #10b981;
  --color-success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --color-warning-main: #f59e0b;
  --color-warning-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --color-error-main: #ef4444;
  --color-error-gradient: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  --color-text-primary: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-tertiary: #94a3b8;
  --color-text-inverse: #ffffff;
  --color-background-primary: #ffffff;
  --color-background-secondary: #f8fafc;
  --color-background-tertiary: #f1f5f9;
  --color-border-light: #e2e8f0;
  --color-border-medium: #cbd5e1;
  --color-border-dark: #94a3b8;
  --color-device-server: #3b82f6;
  --color-device-switch: #22c55e;
  --color-device-router: #f59e0b;
  --color-device-storage: #8b5cf6;
  --color-device-firewall: #ef4444;
  --color-status-normal: #10b981;
  --color-status-running: #10b981;
  --color-status-warning: #f59e0b;
  --color-status-error: #ef4444;
  --color-status-offline: #6b7280;
  --color-status-maintenance: #3b82f6;

  /* 阴影 */
  --shadow-small: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-large: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  /* 边框半径 */
  --border-radius-small: 6px;
  --border-radius-medium: 10px;
  --border-radius-large: 16px;
  --border-radius-xl: 24px;
  --border-radius-round: 50%;

  /* 过渡 */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* 间距 */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;

  /* U高度 */
  --u-height: 25px;
}

/* 页面容器样式 */
.page-container {
  min-height: 100vh;
  background: var(--color-background-secondary);
  padding: var(--spacing-lg);
}

/* 头部样式 */
.header {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--color-primary-gradient);
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-large);
  color: var(--color-text-inverse);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

/* 统计卡片样式 */
.stat-card {
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--border-radius-medium);
  padding: var(--spacing-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}

/* 卡片样式 */
.card {
  border-radius: var(--border-radius-large);
  border: none;
  box-shadow: var(--shadow-medium);
  background: var(--color-background-primary);
  overflow: hidden;
}

.filter-card {
  border-radius: var(--border-radius-medium);
  border: none;
  box-shadow: var(--shadow-small);
  background: var(--color-background-primary);
  margin-bottom: var(--spacing-lg);
}

.filter-card-body {
  padding: var(--spacing-md) var(--spacing-lg);
}

/* 按钮样式 */
.primary-button {
  height: 40px;
  border-radius: var(--border-radius-medium);
  background: var(--color-primary-gradient);
  border: none;
  box-shadow: var(--shadow-medium);
  font-weight: 500;
  transition: all var(--transition-normal);
}

.secondary-button {
  height: 40px;
  border-radius: var(--border-radius-medium);
  border: 1px solid var(--color-border-light);
  background: var(--color-background-primary);
  transition: all var(--transition-fast);
}

/* 动画 */
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-50%) translateX(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(-50%) translateX(0) scale(1);
  }
}

@keyframes ledBlink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0.3; }
}

@keyframes tooltipFadeIn {
  from {
    opacity: 0;
    transform: translateY(-50%) translateX(-10px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(-50%) translateX(0) scale(1);
  }
}

@keyframes highlightPulse {
  0%, 100% {
    box-shadow: 
      0 0 20px rgba(56, 189, 248, 0.6),
      0 4px 12px rgba(56, 189, 248, 0.4),
      0 1px 2px rgba(0,0,0,0.3),
      inset 0 1px 0 rgba(255,255,255,0.2);
  }
  50% {
    box-shadow: 
      0 0 35px rgba(56, 189, 248, 0.9),
      0 6px 20px rgba(56, 189, 248, 0.6),
      0 1px 2px rgba(0,0,0,0.3),
      inset 0 1px 0 rgba(255,255,255,0.3);
  }
}

/* 设备高亮 */
.device-highlighted {
  animation: highlightPulse 1.5s ease-in-out infinite;
}

/* 金属纹理 */
.metal-texture {
  background-image: 
    linear-gradient(90deg, 
      transparent 0%, 
      rgba(255,255,255,0.03) 50%, 
      transparent 100%),
    repeating-linear-gradient(0deg,
      transparent 0px,
      rgba(255,255,255,0.02) 1px,
      transparent 2px,
      transparent 3px);
  background-size: 100% 100%, 4px 4px;
}

/* 通风格栅 */
.ventilation-grille {
  background-image: repeating-linear-gradient(
    0deg,
    #334155 0px,
    #334155 1px,
    transparent 1px,
    transparent 2px
  );
}

/* 设备悬停效果 */
.device-hover {
  background: linear-gradient(145deg, #1e293b, #0f172a) !important;
  box-shadow: 0 6px 16px rgba(56, 189, 248, 0.3), 0 0 12px rgba(56, 189, 248, 0.2) !important;
  border-color: #38bdf8 !important;
}

/* 设备提示框 */
.device-tooltip {
  background: rgba(0, 0, 0, 0.9);
  color: #5eead4;
  padding: 8px 12px;
  border-radius: 4px;
  font-family: 'Roboto Mono', monospace;
  font-size: 11px;
  border: 1px solid rgba(94, 234, 212, 0.3);
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  white-space: nowrap;
}

/* 设备数量徽章 */
.device-count-badge {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(14, 165, 233, 0.2));
  color: #38bdf8;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(56, 189, 248, 0.2);
  border: 1px solid rgba(56, 189, 248, 0.3);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  white-space: nowrap;
  font-family: 'JetBrains Mono', 'Roboto Mono', monospace;
}

/* 机柜可视化容器 */
.rack-visualization-container {
  width: 100%;
  height: calc(100vh - 220px);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  perspective: 1000px;
  overflow: auto;
  background-color: #fafafa;
  background-size: auto;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  border-radius: 12px;
  border: 1px solid #e8e8e8;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  transition: all 0.3s ease;
  padding: 10px;
  box-sizing: border-box;
  flex-shrink: 0;
}

.rack-visualization-container.image-background {
  background-size: contain;
}

/* 机柜容器 */
.rack-container {
  transform: scale(1.7);
  transition: transform 0.3s ease;
  position: relative;
  margin: 0 auto;
  padding: 40px 50px;
  will-change: transform, scale;
}

/* 机柜主体 */
.rack {
  position: relative;
  width: 600px;
  background: linear-gradient(145deg, #1e293b 0%, #0f172a 50%, #1e293b 100%);
  border: 2px solid #38bdf8;
  border-radius: 12px;
  box-shadow: 
    0 0 40px rgba(56, 189, 248, 0.2),
    0 0 80px rgba(56, 189, 248, 0.1),
    0 20px 60px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    inset 0 0 60px rgba(56, 189, 248, 0.05);
  overflow: visible;
  backdrop-filter: blur(10px);
}

/* 玻璃光泽效果 */
.rack-glass-effect {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(56, 189, 248, 0.03) 0%, transparent 100%);
  border-radius: 10px 10px 0 0;
  pointer-events: none;
}

/* U数标记容器 */
.u-marks-container {
  position: absolute;
  width: 18px;
  top: 0;
  bottom: 0;
  z-index: 20;
  pointer-events: none;
}

.u-marks-container.left {
  left: -18px;
}

.u-marks-container.right {
  right: -18px;
}

/* U数标记 */
.u-mark {
  position: absolute;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #cbd5e1;
  font-size: 10px;
  font-weight: 500;
  text-shadow: 0 0 4px rgba(0, 0, 0, 0.5);
  z-index: 30;
  background-color: rgba(30, 41, 59, 0.8);
  border-radius: 3px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: inset 0 0 4px rgba(0, 0, 0, 0.3);
  height: var(--u-height);
}

.u-mark:nth-child(5n) {
  color: #38bdf8;
  font-weight: 700;
  text-shadow: 0 0 10px rgba(56, 189, 248, 0.6);
  background-color: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.5);
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.3);
}

/* U数标记线 */
.u-mark-line {
  position: absolute;
  height: 1px;
  width: 100%;
  background-color: #a5d6a7;
  border-top: 1px solid #a5d6a7;
}

.u-mark-line.five {
  background-color: #81c784;
  border-top: 2px solid #81c784;
}

.u-mark-text {
  position: absolute;
  left: -40px;
  top: -12px;
  font-size: 12px;
  color: #4caf50;
  font-weight: normal;
  text-shadow: 1px 1px 1px rgba(255,255,255,0.8);
}

.u-mark-text.five {
  color: #2e7d32;
  font-weight: bold;
}

/* 安装导轨 */
.rack-rail {
  position: absolute;
  top: 3px;
  width: 15px;
  bottom: 3px;
  background: linear-gradient(90deg, #374151 0%, #1f2937 50%, #111827 100%);
  border-radius: 2px;
  box-shadow: inset 0 0 3px rgba(0,0,0,0.5), 0 0 8px rgba(56, 189, 248, 0.1);
}

.rack-rail.left {
  left: 33px;
  border-right: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 2px 0 0 2px;
}

.rack-rail.right {
  right: 33px;
  background: linear-gradient(90deg, #343a40 0%, #495057 50%, #5a6268 100%);
  border-left: 1px solid rgba(0,0,0,0.3);
  border-radius: 0 2px 2px 0;
  box-shadow: inset 0 0 3px rgba(0,0,0,0.4);
}

/* 导轨安装孔 */
.rail-hole {
  position: absolute;
  width: 11px;
  height: 20px;
  background: linear-gradient(180deg, #2d3436 0%, #636e72 50%, #2d3436 100%);
  border-radius: 1px;
  box-shadow: inset 0 1px 2px rgba(255,255,255,0.1), 0 1px 1px rgba(0,0,0,0.3);
}

.rail-hole.left {
  left: 2px;
}

.rail-hole.right {
  right: 2px;
}

.rail-hole-inner {
  position: absolute;
  width: 5px;
  height: 8px;
  background: #1a1a1a;
  border-radius: 1px;
  top: 6px;
}

.rail-hole-inner.left {
  left: 3px;
}

.rail-hole-inner.right {
  right: 3px;
}

/* 前面板 */
.rack-front-panel {
  position: absolute;
  top: 0;
  left: 51px;
  right: 51px;
  bottom: 0;
  background: linear-gradient(145deg, #f5f5f5, #e8e8e8);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  padding: 3px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  overflow: visible;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
}

/* 细微网格纹理 */
.front-panel-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(0,0,0,0.03) 1px, transparent 0);
  background-size: 20px 20px;
  border-radius: 4px;
  pointer-events: none;
}

/* U位网格线 */
.u-grid-lines {
  position: absolute;
  top: 3px;
  left: 48px;
  right: 48px;
  bottom: 3px;
  pointer-events: none;
  z-index: 5;
}

.u-grid-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(148, 163, 184, 0.15) 10%, rgba(148, 163, 184, 0.2) 50%, rgba(148, 163, 184, 0.15) 90%, transparent 100%);
}

/* 设备容器 */
.devices-container {
  position: relative;
  width: 100%;
  height: 100%;
}

/* 设备 */
.device {
  position: absolute;
  left: 3px;
  right: 3px;
  width: calc(100% - 6px);
  border-radius: 3px;
  display: flex;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 
    0 1px 2px rgba(0,0,0,0.3),
    0 2px 4px rgba(0,0,0,0.2),
    inset 0 1px 0 rgba(255,255,255,0.1),
    inset 0 -1px 0 rgba(0,0,0,0.1);
  overflow: hidden;
  margin: 0;
  padding: 0;
  z-index: 100;
  pointer-events: auto;
}

.device.highlighted {
  box-shadow: 
    0 0 20px rgba(56, 189, 248, 0.6),
    0 4px 12px rgba(56, 189, 248, 0.4),
    0 1px 2px rgba(0,0,0,0.3),
    inset 0 1px 0 rgba(255,255,255,0.2);
  z-index: 200;
  animation: highlightPulse 1.5s ease-in-out infinite;
}

.device.status-warning {
  animation: ledBlink 2s ease-in-out infinite;
}

.device.status-error {
  animation: ledBlink 0.8s ease-in-out infinite;
}

/* 设备状态指示器 */
.device-status-indicator {
  width: 7%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 4px 3px;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
  border-right: 1px solid rgba(148, 163, 184, 0.4);
  border-radius: 3px 0 0 3px;
}

/* 设备类型标识 */
.device-type-badge {
  width: 100%;
  height: 8px;
  background: linear-gradient(180deg, rgba(56, 189, 248, 0.6) 0%, rgba(56, 189, 248, 0.3) 100%);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(56, 189, 248, 0.4);
}

.device-type-text {
  font-size: 4px;
  color: rgba(56, 189, 248, 0.8);
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* LED状态指示灯组 */
.device-leds {
  display: flex;
  flex-direction: column;
  gap: 3px;
  align-items: center;
}

.main-status-leds {
  display: flex;
  gap: 2px;
}

.led {
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

.led.status-normal {
  background-color: var(--color-status-normal);
  box-shadow: 0 0 8px var(--color-status-normal);
}

.led.status-running {
  background-color: #22c55e;
  box-shadow: 0 0 6px #22c55e;
  animation: ledBlink 3s ease-in-out infinite;
}

.led.status-error {
  background-color: var(--color-status-error);
  box-shadow: 0 0 8px var(--color-status-error);
  animation: ledBlink 0.8s ease-in-out infinite;
}

.led.status-warning {
  background-color: var(--color-status-warning);
  box-shadow: 0 0 8px var(--color-status-warning);
  animation: ledBlink 2s ease-in-out infinite;
}

.led.offline {
  background-color: #4b5563;
}

/* 电源指示灯 */
.power-led {
  display: flex;
  gap: 2px;
  align-items: center;
}

.power-led-indicator {
  width: 4px;
  height: 4px;
  border-radius: 1px;
  background-color: #475569;
}

.power-led-indicator.on {
  background-color: #38bdf8;
  box-shadow: 0 0 4px #38bdf8;
}

.power-led-text {
  font-size: 4px;
  color: #64748b;
  font-weight: 600;
}

.power-led-text.on {
  color: #38bdf8;
}

/* 设备序列号标签 */
.device-serial {
  width: 100%;
  text-align: center;
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  padding-top: 2px;
}

.device-serial-text {
  font-size: 4px;
  color: #475569;
  font-family: monospace;
}

/* 设备信息区域 */
.device-info {
  flex: 1;
  background: linear-gradient(180deg, #0f172a 0%, #020617 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3px 8px;
  overflow: hidden;
  border-left: 1px solid rgba(148, 163, 184, 0.15);
  border-right: 1px solid rgba(148, 163, 184, 0.15);
  position: relative;
}

/* 设备品牌/厂商标识 */
.device-brand {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 2px;
}

.device-brand-icon {
  font-size: 10px;
  color: #38bdf8;
  display: flex;
  align-items: center;
}

.device-brand-text {
  font-size: 5px;
  color: #64748b;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* 设备名称 */
.device-name {
  color: #f1f5f9;
  font-size: 8px;
  font-weight: 600;
  font-family: "Roboto Mono", "Consolas", monospace;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-shadow: 0 0 10px rgba(56, 189, 248, 0.3);
}

/* 设备型号和规格 */
.device-model {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 2px;
}

.device-model-text {
  color: #64748b;
  font-size: 6px;
  font-family: "Roboto Mono", monospace;
  background: rgba(56, 189, 248, 0.1);
  padding: 1px 4px;
  border-radius: 2px;
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.device-ip {
  color: #22c55e;
  font-size: 6px;
  font-family: "Roboto Mono", monospace;
}

/* 散热/通风口装饰 */
.device-ventilation {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 2px;
}

.ventilation-fin {
  width: 3px;
  height: 12px;
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  border-radius: 1px;
  border: 1px solid rgba(148, 163, 184, 0.2);
}

/* 设备右侧端口/功能区域 */
.device-ports {
  width: 12%;
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  border-radius: 0 3px 3px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 4px 3px;
  gap: 4px;
  overflow: hidden;
  position: relative;
  border-left: 1px solid rgba(148, 163, 184, 0.2);
}

/* 端口指示灯阵列 */
.port-leds {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}

.port-led {
  width: 4px;
  height: 4px;
  border-radius: 1px;
}

.port-led.active {
  background-color: #22c55e;
  box-shadow: 0 0 3px rgba(34, 197, 94, 0.6);
  animation: ledBlink 2s ease-in-out infinite;
}

.port-led.inactive {
  background-color: #475569;
}

/* 管理接口标识 */
.management-interface {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-top: 2px;
}

.management-icon {
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-bottom: 6px solid #64748b;
}

.management-text {
  font-size: 5px;
  color: #64748b;
  font-weight: 600;
}

/* 设备高度U数标识 */
.device-height {
  font-size: 5px;
  color: #38bdf8;
  font-weight: 700;
  font-family: "Roboto Mono", monospace;
  background: rgba(56, 189, 248, 0.15);
  padding: 1px 4px;
  border-radius: 2px;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

/* 机柜顶部名称和设备数量 */
.rack-header {
  position: absolute;
  top: -45px;
  left: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* 机柜标题 */
.rack-title {
  font-size: 16px;
  font-weight: 600;
  color: #0f172a;
  text-shadow: 0 1px 2px rgba(255,255,255,0.5);
  padding: 6px 14px;
  background: linear-gradient(145deg, rgba(255,255,255,0.95), rgba(241, 245, 249, 0.95));
  border-radius: 10px;
  border: 1px solid rgba(56, 189, 248, 0.4);
  box-shadow: 0 3px 10px rgba(56, 189, 248, 0.2);
  transition: all 0.3s ease;
  white-space: nowrap;
  max-width: 60%;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 机柜侧面 */
.rack-side {
  position: absolute;
  top: 0;
  left: 100%;
  width: 30px;
  height: 100%;
  background-color: #7f8c8d;
  transform-origin: left center;
  transform: rotateY(90deg);
  border-top-right-radius: 4px;
  border-bottom-right-radius: 4px;
}

/* 机柜顶部 */
.rack-top {
  position: absolute;
  top: -20px;
  left: 0;
  width: 100%;
  height: 20px;
  background-color: #666;
  transform-origin: bottom center;
  transform: rotateX(90deg);
  border-top-left-radius: 4px;
  border-top-right-radius: 4px;
}

/* 加载状态 */
.loading-container {
  width: 100%;
  height: 600px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #fafafa;
  font-size: 16px;
  color: #666;
  border-radius: 12px;
}

/* 无数据状态 */
.no-data-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #81c784;
  font-size: 16px;
  text-align: center;
  padding: 16px 24px;
  background-color: rgba(240, 255, 240, 0.95);
  border-radius: 12px;
  border: 1px solid rgba(129, 199, 132, 0.3);
  box-shadow: 0 4px 12px rgba(129, 199, 132, 0.2);
  font-weight: 500;
}

/* 错误边界样式 */
.error-boundary {
  width: 100%;
  height: 600px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: #f5f5f5;
  padding: 20px;
}

.error-boundary-title {
  color: #f44336;
}

.error-boundary-message {
  color: #666;
  margin: 10px 0;
}

.error-boundary-reload-button {
  padding: 8px 16px;
  background-color: #1890ff;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

/* 搜索结果卡片 */
.search-result-card {
  background: var(--color-success-gradient);
  border-radius: var(--border-radius-medium);
}

.search-result-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  padding: var(--spacing-md) var(--spacing-lg);
}

/* 搜索结果按钮 */
.search-result-button {
  size: small;
  height: 32px;
  border-radius: var(--border-radius-small);
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.1);
  color: #fff;
}

.search-result-button.highlighted {
  background: rgba(255,255,255,0.2);
}

/* 设备加载状态 */
.device-loading-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1000;
}

.device-loading-content {
  padding: 20px;
  background-color: rgba(255, 255, 255, 0.8);
  border-radius: 4px;
  font-size: 14px;
  color: #666;
}

/* 设备加载错误 */
.device-error {
  position: absolute;
  left: 35px;
  right: 35px;
  top: 50%;
  height: 30px;
  transform: translateY(-50%);
  background-color: #ff4d4f;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  border-radius: 4px;
}

/* 选择机柜提示 */
.select-rack-prompt {
  width: 100%;
  height: 600px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #f5f5f5;
  font-size: 16px;
  color: #666;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .device-tooltip {
    font-size: 10px;
    padding: 6px 10px;
  }

  .device-count-badge {
    padding: 4px 10px;
    font-size: 11px;
  }
  
  .header-content {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .device-tooltip {
    font-size: 9px;
    padding: 4px 8px;
  }

  .device-count-badge {
    padding: 3px 8px;
    font-size: 10px;
  }
  
  .rack-container {
    transform: scale(0.8);
  }
}