html, body {
  height: 100%;
  margin: 0;
}
.container {
  padding: 16px;
  max-width: 980px;
  margin: 0 auto;
}
.toolbar {
  margin: 12px 0 8px;
}
/* 公告卡片优化样式 */
.announcement-card {
  margin-top: 16px;
  border-left: 4px solid #1e88e5; /* 主色强调 */
  background: #f5f9ff;
  /* 公告移除动画 */
  transition: opacity 240ms ease, transform 240ms ease;
}

/* 云设置对话框样式 */
#cloudSettingsDialog .dialog-content {
  padding: 24px;
}

.cloud-settings-dialog .dialog-content {
  padding: 24px;
}

.cloud-settings-dialog .provider-select {
  margin-bottom: 16px;
}

.cloud-settings {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.settings-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.settings-group-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--mdui-color-primary);
  margin-bottom: 4px;
}
.announcement-card.removing {
  opacity: 0;
  transform: translateY(-8px);
}
.announcement-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px 0;
  color: #1e88e5;
  font-weight: 600;
}

.announcement-header .spacer {
  flex: 1;
}

.announcement-header mdui-icon {
  color: inherit;
}

.announcement-header mdui-button-icon {
  color: inherit;
}

.announcement-content {
  padding: 10px 16px 16px;
  white-space: pre-wrap;
  line-height: 1.7;
  color: #37474f;
  font-size: 14px;
}

@media (prefers-color-scheme: dark) {
  .announcement-card {
    border-left-color: #90caf9;
    background: rgba(144, 202, 249, 0.08);
  }
  .announcement-header {
    color: #90caf9;
  }
  .announcement-content {
    color: #eceff1;
  }
}
.spacer { flex: 1; }
.fab {
  position: fixed;
  right: 24px;
  bottom: 24px;
}
.dialog-title {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 8px;
  padding: 16px 16px 0 16px;
}

.dialog-content {
  margin-bottom: 16px;
}

.settings-group-title {
  font-weight: 500;
  color: var(--mdui-color-primary);
  margin-bottom: 8px;
  font-size: 1rem;
}
.dialog-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  padding: 8px 16px 16px;
}
.list-tags {
  color: var(--mdui-color-on-surface-variant);
  font-size: 12px;
}
.bookmark-actions {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* 书签图标 */
.bookmark-favicon {
  width: 24px;
  height: 24px;
  object-fit: contain;
  border-radius: 4px;
  background-size: cover;
  background-position: center;
}
/* 设置页布局优化 */
.settings-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.settings-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.settings-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.color-dot {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  margin-right: 6px;
  border: 1px solid rgba(0,0,0,0.12);
}
.theme-preview {
  display: flex;
  align-items: center;
  gap: 8px;
}
.color-swatch {
  width: 28px;
  height: 18px;
  border-radius: 4px;
  border: 1px solid rgba(0,0,0,0.12);
}
/* 适配暗色模式边框对比 */
:root[md-color-theme="dark"] .color-dot,
:root[md-color-theme="dark"] .color-swatch {
  border-color: rgba(255,255,255,0.18);
}