/* 主题设置弹窗样式 */
.theme-settings-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-settings-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.2s ease;
}

.theme-settings-content {
  position: relative;
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow: hidden;
  animation: slideUp 0.3s ease;
  border: 1px solid var(--border-color);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.theme-settings-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 2px solid var(--border-color);
  background: var(--breadcrumb-bg);
}

.theme-settings-header h2 {
  margin: 0;
  font-size: 20px;
  color: var(--text-primary);
}

.close-btn {
  background: none;
  border: none;
  font-size: 32px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.2s;
  line-height: 1;
}

.close-btn:hover {
  background: var(--danger-color);
  color: white;
  transform: rotate(90deg);
}

.theme-settings-body {
  padding: 24px;
  overflow-y: auto;
  max-height: calc(80vh - 80px);
}

.setting-section {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}

.setting-section:last-of-type {
  border-bottom: none;
  margin-bottom: 24px;
}

.setting-section h3 {
  margin: 0 0 16px 0;
  font-size: 16px;
  color: var(--primary-color);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.setting-section h3::before {
  content: '';
  width: 4px;
  height: 18px;
  background: var(--primary-color);
  border-radius: 2px;
}

.setting-item {
  display: flex;
  align-items: center;
  margin-bottom: 16px;
  gap: 12px;
}

.setting-item:last-child {
  margin-bottom: 0;
}

.setting-item label {
  min-width: 130px;
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

.setting-item select,
.setting-item input[type="text"],
.setting-item input[type="number"] {
  flex: 1;
  padding: 8px 12px;
  border: 2px solid var(--input-border);
  border-radius: 6px;
  background: var(--card-bg);
  color: var(--text-primary);
  font-size: 14px;
  transition: all 0.2s;
}

.setting-item input[type="color"] {
  width: 60px;
  height: 38px;
  border: 2px solid var(--input-border);
  border-radius: 6px;
  cursor: pointer;
  background: var(--card-bg);
}

.setting-item select:focus,
.setting-item input:focus {
  outline: none;
  border-color: var(--input-border-focus);
  box-shadow: 0 0 0 3px rgba(0, 163, 225, 0.1);
}

.setting-item input[type="range"] {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: var(--border-color);
  outline: none;
  -webkit-appearance: none;
}

.setting-item input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.setting-item input[type="range"]::-webkit-slider-thumb:hover {
  background: var(--primary-hover);
  transform: scale(1.2);
}

.setting-item input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.setting-item input[type="range"]::-moz-range-thumb:hover {
  background: var(--primary-hover);
  transform: scale(1.2);
}

.setting-item span {
  font-size: 14px;
  color: var(--text-secondary);
  min-width: 40px;
  text-align: right;
}

#opacityValue {
  font-weight: 600;
  color: var(--primary-color);
}

.setting-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  padding-top: 24px;
  border-top: 2px solid var(--border-color);
  margin-top: 24px;
}

.setting-actions button {
  padding: 10px 24px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-save {
  background: var(--primary-color);
  color: white;
}

.btn-save:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 163, 225, 0.3);
}

.btn-reset {
  background: var(--warning-color);
  color: white;
}

.btn-reset:hover {
  background: #fb8c00;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(255, 152, 0, 0.3);
}

.btn-cancel {
  background: var(--secondary-color);
  color: white;
}

.btn-cancel:hover {
  background: #5a6268;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(108, 117, 125, 0.3);
}

/* 响应式 */
@media (max-width: 768px) {
  .theme-settings-content {
    width: 95%;
    max-height: 90vh;
  }

  .theme-settings-header {
    padding: 16px 20px;
  }

  .theme-settings-header h2 {
    font-size: 18px;
  }

  .theme-settings-body {
    padding: 20px;
  }

  .setting-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .setting-item label {
    min-width: auto;
  }

  .setting-item select,
  .setting-item input[type="text"],
  .setting-item input[type="number"],
  .setting-item input[type="range"] {
    width: 100%;
  }

  .setting-actions {
    flex-direction: column;
  }

  .setting-actions button {
    width: 100%;
  }
}