/**
 * CampusWall 图标样式
 * 基于 Lucide Icons 的样式定义
 */

/* 图标基础样式 */
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1em;
  height: 1em;
  vertical-align: middle;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* 图标大小 */
.icon-sm {
  width: 14px;
  height: 14px;
}

.icon-md {
  width: 18px;
  height: 18px;
}

.icon-lg {
  width: 24px;
  height: 24px;
}

/* 图标颜色 */
.icon-primary {
  color: var(--primary, #6366f1);
}

.icon-secondary {
  color: var(--secondary, #ec4899);
}

.icon-success {
  color: var(--success, #22c55e);
}

.icon-warning {
  color: var(--warning, #f59e0b);
}

.icon-danger {
  color: var(--danger, #ef4444);
}

.icon-muted {
  color: var(--text-muted, #94a3b8);
}

/* 图标按钮 */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-primary, #1e293b);
  cursor: pointer;
  transition: all 0.2s ease;
}

.icon-btn:hover {
  background: var(--bg-hover, #f1f5f9);
  color: var(--primary, #6366f1);
}

.icon-btn:active {
  transform: scale(0.95);
}

/* 图标 + 文本 */
.icon-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.icon-text .icon {
  flex-shrink: 0;
}

/* 导航栏图标 */
.nav-icon {
  width: 18px;
  height: 18px;
}

/* 卡片图标 */
.card-icon {
  width: 48px;
  height: 48px;
  padding: 12px;
  border-radius: 12px;
  background: var(--bg-light, #f8fafc);
  color: var(--primary, #6366f1);
}

/* 空状态图标 */
.empty-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  color: var(--text-muted, #94a3b8);
  opacity: 0.5;
}

/* 动画图标 */
@keyframes icon-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.icon-pulse {
  animation: icon-pulse 2s ease-in-out infinite;
}

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

.icon-spin {
  animation: icon-spin 1s linear infinite;
}