/* 跨主题交互层在主题配色之后加载，自定义 CSS 仍保留最高优先级。 */
.brand::before,
.brand::after {
  content: none;
  display: none;
}
.tag-list,
.article-tags {
  gap: 4px 12px;
}
.tag-list a,
.article-tags a {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  line-height: 1.8;
}
.tag-list a:hover,
.article-tags a:hover {
  background: transparent;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.theme-cycle {
  position: relative;
  padding: 0;
}
.theme-cycle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
/* 图标表达当前选择；跟随系统时保持显示系统图标。 */
:root .theme-cycle svg {
  display: none;
}
:root[data-color-mode="system"] .theme-cycle .theme-icon-system,
:root[data-color-mode="light"] .theme-cycle .theme-icon-sun,
:root[data-color-mode="dark"] .theme-cycle .theme-icon-moon {
  display: block;
}
.reader-zoomable {
  cursor: zoom-in;
}
.banner-link-label {
  position: absolute;
  right: 12px;
  bottom: 12px;
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
  color: var(--text);
  font-size: 12px;
  line-height: 1.8;
}
.banner-link-label:hover {
  color: var(--accent);
}
/* 图片横幅保留明确的链接入口，图片本身可放大；文字横幅仍可整块跳转。 */
.banner-with-image .banner-link {
  cursor: zoom-in;
}
.banner-with-image .banner-link-label {
  cursor: pointer;
}
.reader-modal-open {
  overflow: hidden;
}
.reader-modal-open .article-scroll {
  overflow: hidden;
}
.reader-dialog {
  position: fixed;
  inset: 0;
  margin: auto;
  width: min(760px, calc(100% - 32px));
  max-width: calc(100% - 32px);
  max-height: 90vh;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius, 12px);
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 18px 70px rgb(0 0 0 / 24%);
  overflow: hidden;
}
.reader-dialog:not([open]) {
  display: none;
}
.reader-dialog[open] {
  display: flex;
  flex-direction: column;
  animation: reader-dialog-in 160ms ease-out;
}
.reader-dialog::backdrop {
  background: rgb(0 0 0 / 48%);
}
.reader-dialog [hidden] {
  display: none !important;
}
.reader-dialog-header,
.reader-dialog-footer {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
}
.reader-dialog-header {
  border-bottom: 1px solid var(--line);
  cursor: move;
  touch-action: none;
  user-select: none;
}
.reader-dialog-header h2 {
  margin: 0;
  font-size: 17px;
  line-height: 1.5;
  font-weight: 600;
}
.dialog-close {
  flex: none;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  font-size: 26px;
  line-height: 1;
}
.dialog-close:hover {
  color: var(--text);
  background: var(--soft);
}
.reader-dialog-body {
  flex: 1 1 auto;
  min-height: 0;
  padding: 18px;
  overflow: auto;
  overscroll-behavior: contain;
}
.reader-dialog-footer {
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}
.reader-dialog-footer .button {
  margin: 0;
  padding: 4px 10px;
  font-size: 13px;
  line-height: 1.8;
  white-space: nowrap;
}
.reader-dialog-footer .button:disabled {
  opacity: 0.5;
  cursor: default;
}
.image-viewer {
  width: min(1100px, calc(100% - 32px));
}
.image-canvas {
  text-align: center;
  min-height: 100px;
  background: var(--bg);
}
.image-canvas img {
  display: block;
  margin: auto;
  max-width: 100%;
  max-height: 62vh;
  height: auto;
  width: auto;
  object-fit: contain;
  cursor: zoom-in;
}
.image-canvas.is-original img {
  max-width: none;
  max-height: none;
  cursor: zoom-out;
}
#image-caption {
  overflow-wrap: anywhere;
  min-width: 0;
  max-height: 3.6em;
  overflow: auto;
}
.image-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex-shrink: 0;
}
.reader-nickname-only .atk-header input[hidden] {
  display: none !important;
}
.reader-nickname-only .atk-header input[name="name"] {
  flex: 1;
  width: 100%;
}
@keyframes reader-dialog-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@media (max-width: 760px) {
  .reader-dialog,
  .image-viewer {
    width: calc(100% - 20px);
    max-width: calc(100% - 20px);
    border-radius: var(--radius, 10px);
  }
  .reader-dialog-header,
  .reader-dialog-footer {
    padding: 10px 14px;
  }
  .reader-dialog-body {
    padding: 14px;
  }
  .reader-dialog-footer {
    flex-wrap: wrap;
  }
  .image-actions {
    margin-left: auto;
  }
}
@media (prefers-reduced-motion: reduce) {
  .reader-dialog[open] {
    animation: none;
  }
}