/* =============================================
   Lucide Icons Integration - Vercel Style
   极简图标系统
   ============================================= */

/* Lucide Icons 基础样式 */
.lucide {
  width: 1em;
  height: 1em;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

/* 图标尺寸变体 */
.icon-xs .lucide { width: 14px; height: 14px; }
.icon-sm .lucide { width: 16px; height: 16px; }
.icon-md .lucide { width: 20px; height: 20px; }
.icon-lg .lucide { width: 24px; height: 24px; }
.icon-xl .lucide { width: 32px; height: 32px; }

/* 按钮中的图标 */
.btn-icon-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn .lucide {
  width: 16px;
  height: 16px;
}

.btn-sm .lucide {
  width: 14px;
  height: 14px;
}

/* 卡片图标 */
.card-icon-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: 8px;
}

.card-icon-wrapper .lucide {
  width: 20px;
  height: 20px;
}

/* 侧边栏图标 */
.sidebar-icon-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: 8px;
}

.sidebar-icon-wrapper .lucide {
  width: 18px;
  height: 18px;
}

/* Logo 图标 */
.logo-icon .lucide {
  width: 48px;
  height: 48px;
  stroke-width: 1.5;
}

/* 状态图标 */
.status-icon {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.status-icon .lucide {
  width: 16px;
  height: 16px;
}

/* 空状态图标 */
.empty-icon .lucide {
  width: 64px;
  height: 64px;
  stroke-width: 1;
  opacity: 0.3;
}

/* 徽章图标 */
.badge-icon .lucide {
  width: 12px;
  height: 12px;
}

/* 动作按钮图标 */
.action-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  border-radius: 6px;
  transition: all 0.2s ease;
  cursor: pointer;
}

.action-icon:hover {
  background: rgba(0, 0, 0, 0.04);
}

.action-icon .lucide {
  width: 16px;
  height: 16px;
}

/* Vercel 风格 - 图标颜色继承 */
.icon-inherit {
  color: inherit;
}

/* 深色模式适配 */
@media (prefers-color-scheme: dark) {
  .action-icon:hover {
    background: rgba(255, 255, 255, 0.08);
  }
  
  .empty-icon .lucide {
    opacity: 0.4;
  }
}

/* 图标动画（可选，Vercel风格建议禁用） */
.icon-spin .lucide {
  animation: icon-spin 1s linear infinite;
}

@keyframes icon-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 图标脉冲效果（用于加载状态） */
.icon-pulse .lucide {
  animation: icon-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes icon-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}