.diaodu-forum-shell {
  background: var(--diaodu-color-bg);
  color: var(--diaodu-color-text);
  font-family: var(--diaodu-font-body);
  line-height: var(--diaodu-line-height);
  padding: var(--diaodu-space-5) 0 var(--diaodu-space-7);
}

.diaodu-forum-main {
  box-sizing: border-box;
  margin: 0 auto;
  max-width: var(--diaodu-content-width);
  min-width: 0;
  padding: 0 var(--diaodu-space-4);
  width: 100%;
}

.diaodu-forum,
.diaodu-forum * {
  box-sizing: border-box;
}

.diaodu-page-header {
  margin: 0 0 var(--diaodu-space-5);
}

.diaodu-page-header h1 {
  font-size: var(--diaodu-text-2xl);
  line-height: 1.25;
  margin: 0 0 var(--diaodu-space-2);
  overflow-wrap: anywhere;
}

.diaodu-page-header p,
.diaodu-page-description {
  color: var(--diaodu-color-text-muted);
  margin: 0;
  overflow-wrap: anywhere;
}

.diaodu-breadcrumb {
  font-size: var(--diaodu-text-sm);
  margin-bottom: var(--diaodu-space-3);
}

.diaodu-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--diaodu-space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.diaodu-breadcrumb li:not(:last-child)::after {
  color: var(--diaodu-color-text-muted);
  content: "/";
  margin-left: var(--diaodu-space-2);
}

.diaodu-breadcrumb a {
  color: var(--diaodu-color-accent);
  text-decoration: none;
}

.diaodu-row {
  display: grid;
  gap: var(--diaodu-space-4);
  grid-template-columns: repeat(12, minmax(0, 1fr));
  margin-bottom: var(--diaodu-space-4);
  min-width: 0;
}

.diaodu-column {
  display: flex;
  flex-direction: column;
  gap: var(--diaodu-space-4);
  grid-column: span var(--diaodu-span, 12);
  min-width: 0;
}

.diaodu-component {
  background: var(--diaodu-color-surface);
  border: 1px solid var(--diaodu-color-border);
  border-radius: var(--diaodu-radius-lg);
  box-shadow: var(--diaodu-shadow-sm);
  min-width: 0;
  padding: var(--diaodu-space-4);
}

.diaodu-component-header {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: var(--diaodu-space-3);
  justify-content: space-between;
  margin-bottom: var(--diaodu-space-3);
}

.diaodu-component-header h2,
.diaodu-component h2 {
  font-size: var(--diaodu-text-xl);
  margin: 0;
}

.diaodu-button,
.diaodu-component button,
.diaodu-form button {
  align-items: center;
  background: var(--diaodu-color-accent);
  border: 0;
  border-radius: var(--diaodu-radius-md);
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  font-size: var(--diaodu-text-sm);
  font-weight: 600;
  justify-content: center;
  min-height: 2.5rem;
  padding: var(--diaodu-space-2) var(--diaodu-space-4);
  text-decoration: none;
}

.diaodu-button:hover,
.diaodu-component button:hover,
.diaodu-form button:hover {
  background: var(--diaodu-color-accent-hover);
  color: #fff;
}

.diaodu-search-form {
  display: flex;
  gap: var(--diaodu-space-2);
  min-width: 0;
}

.diaodu-search-form input[type="search"] {
  border: 1px solid var(--diaodu-color-border);
  border-radius: var(--diaodu-radius-md);
  flex: 1 1 auto;
  min-width: 0;
  padding: var(--diaodu-space-2) var(--diaodu-space-3);
}

.diaodu-forum-list,
.diaodu-topic-list,
.diaodu-reply-list {
  display: flex;
  flex-direction: column;
  gap: var(--diaodu-space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.diaodu-forum-item,
.diaodu-topic-item,
.diaodu-reply-item {
  border-bottom: 1px solid var(--diaodu-color-border);
  display: flex;
  gap: var(--diaodu-space-3);
  justify-content: space-between;
  min-width: 0;
  padding: var(--diaodu-space-3) 0;
}

.diaodu-forum-item:last-child,
.diaodu-topic-item:last-child,
.diaodu-reply-item:last-child {
  border-bottom: 0;
}

.diaodu-forum-item-main,
.diaodu-topic-item-main,
.diaodu-reply-meta,
.diaodu-post-content {
  min-width: 0;
  overflow-wrap: anywhere;
}

.diaodu-forum-item h3,
.diaodu-topic-item h3 {
  font-size: var(--diaodu-text-base);
  margin: 0 0 var(--diaodu-space-1);
}

.diaodu-topic-item h3 a,
.diaodu-forum-item h3 a {
  color: var(--diaodu-color-text);
  text-decoration: none;
}

.diaodu-topic-item h3 a:hover,
.diaodu-forum-item h3 a:hover {
  color: var(--diaodu-color-accent);
}

.diaodu-topic-excerpt,
.diaodu-forum-description {
  color: var(--diaodu-color-text-muted);
  font-size: var(--diaodu-text-sm);
  margin: 0 0 var(--diaodu-space-2);
}

.diaodu-topic-meta,
.diaodu-reply-meta {
  align-items: center;
  color: var(--diaodu-color-text-muted);
  display: flex;
  flex-wrap: wrap;
  font-size: var(--diaodu-text-xs);
  gap: var(--diaodu-space-2);
}

.diaodu-forum-counts {
  align-items: flex-end;
  color: var(--diaodu-color-text-muted);
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  font-size: var(--diaodu-text-xs);
  gap: var(--diaodu-space-1);
  text-align: right;
}

.diaodu-badge {
  background: var(--diaodu-color-accent-soft);
  border-radius: var(--diaodu-radius-pill);
  color: var(--diaodu-color-accent);
  display: inline-block;
  font-size: var(--diaodu-text-xs);
  font-weight: 600;
  padding: 0.1rem 0.55rem;
}

.diaodu-topic-item.is-sticky {
  background: linear-gradient(90deg, rgba(37, 99, 235, 0.06), transparent 45%);
  border-radius: var(--diaodu-radius-md);
  padding-left: var(--diaodu-space-2);
}

.diaodu-topic-header h1 {
  font-size: var(--diaodu-text-2xl);
  line-height: 1.25;
  margin: 0 0 var(--diaodu-space-2);
  overflow-wrap: anywhere;
}

.diaodu-post-content {
  font-size: var(--diaodu-text-base);
}

.diaodu-post-content > :first-child {
  margin-top: 0;
}

.diaodu-post-content > :last-child {
  margin-bottom: 0;
}

.diaodu-post-content img,
.diaodu-post-content iframe,
.diaodu-post-content video {
  height: auto;
  max-width: 100%;
}

.diaodu-reply-item {
  flex-direction: column;
}

.diaodu-reply-meta {
  justify-content: space-between;
}

.diaodu-moderator-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--diaodu-space-2);
  margin-top: var(--diaodu-space-3);
}

.diaodu-inline-form {
  display: inline;
  margin: 0;
}

.diaodu-inline-form button {
  background: var(--diaodu-color-surface-muted);
  color: var(--diaodu-color-text);
  min-height: 2rem;
  padding: var(--diaodu-space-1) var(--diaodu-space-3);
}

.diaodu-form {
  display: flex;
  flex-direction: column;
  gap: var(--diaodu-space-2);
}

.diaodu-form input[type="text"],
.diaodu-form select,
.diaodu-form textarea {
  background: var(--diaodu-color-surface);
  border: 1px solid var(--diaodu-color-border);
  border-radius: var(--diaodu-radius-md);
  max-width: 100%;
  padding: var(--diaodu-space-2) var(--diaodu-space-3);
  width: 100%;
}

.diaodu-form textarea {
  min-height: 9rem;
  resize: vertical;
}

.diaodu-pagination {
  display: flex;
  flex-wrap: wrap;
  gap: var(--diaodu-space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.diaodu-pagination a,
.diaodu-pagination span {
  border: 1px solid var(--diaodu-color-border);
  border-radius: var(--diaodu-radius-sm);
  display: inline-block;
  min-width: 2rem;
  padding: var(--diaodu-space-1) var(--diaodu-space-2);
  text-align: center;
  text-decoration: none;
}

.diaodu-pagination a {
  color: var(--diaodu-color-accent);
}

.diaodu-pagination [aria-current="page"] span {
  background: var(--diaodu-color-accent);
  border-color: var(--diaodu-color-accent);
  color: #fff;
}

.diaodu-stats {
  display: grid;
  gap: var(--diaodu-space-3);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
}

.diaodu-stats div {
  background: var(--diaodu-color-surface-muted);
  border-radius: var(--diaodu-radius-md);
  padding: var(--diaodu-space-3);
}

.diaodu-stats dt {
  color: var(--diaodu-color-text-muted);
  font-size: var(--diaodu-text-xs);
}

.diaodu-stats dd {
  font-size: var(--diaodu-text-lg);
  font-weight: 700;
  margin: 0;
}

.diaodu-login-prompt {
  align-items: center;
  background: var(--diaodu-color-accent-soft);
  border-color: transparent;
  display: flex;
  flex-wrap: wrap;
  gap: var(--diaodu-space-3);
  justify-content: space-between;
}

.diaodu-login-prompt p {
  margin: 0;
}

.diaodu-search-summary {
  color: var(--diaodu-color-text-muted);
  margin: 0 0 var(--diaodu-space-3);
}

.diaodu-empty,
.diaodu-notice {
  color: var(--diaodu-color-text-muted);
  margin: 0;
  padding: var(--diaodu-space-3);
}

.diaodu-message,
.diaodu-not-found {
  background: var(--diaodu-color-surface);
  border: 1px solid var(--diaodu-color-border);
  border-radius: var(--diaodu-radius-lg);
  margin: var(--diaodu-space-5) auto;
  max-width: 46rem;
  padding: var(--diaodu-space-6);
}

.diaodu-eyebrow {
  color: var(--diaodu-color-accent);
  font-size: var(--diaodu-text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin: 0 0 var(--diaodu-space-2);
  text-transform: uppercase;
}

@media (max-width: 782px) {
  .diaodu-row {
    display: flex;
    flex-direction: column;
  }

  .diaodu-column {
    width: 100%;
  }

  .diaodu-forum-item {
    align-items: flex-start;
    flex-direction: column;
  }

  .diaodu-forum-counts {
    align-items: flex-start;
    flex-direction: row;
    flex-wrap: wrap;
    text-align: left;
  }

  .diaodu-search-form {
    align-items: stretch;
    flex-direction: column;
  }

  .diaodu-pagination a,
  .diaodu-pagination span {
    min-width: 2.25rem;
  }
}