/* Theme Toggle Button Styles */
/* 主题切换按钮样式 */

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 16px;
  padding: 10px 16px;
  background: var(--bg-secondary, #f8f9fa);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--text-secondary, #4a5568);
  font-size: 14px;
  font-weight: 500;
  width: calc(100% - 32px);
  box-sizing: border-box;
}

.theme-toggle:hover {
  background: var(--accent-color, #3b82f6);
  color: white;
  border-color: var(--accent-color, #3b82f6);
}

.theme-toggle:active {
  transform: scale(0.98);
}

.theme-toggle-icon {
  font-size: 16px;
  line-height: 1;
}

/* ===== 图片灯箱样式 ===== */
.img-lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
}

.img-lightbox.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  animation: lightbox-zoom-in 0.25s ease;
}

@keyframes lightbox-zoom-in {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: -40px;
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}