/* ============================================
   Forum Widget - Complete Responsive Styles
   Reddit-inspired embeddable forum UI
   ============================================ */

/* ---- CSS Custom Properties (Theming) ---- */
:root {
  --forum-primary: #2563eb;
  --forum-primary-light: #3b82f6;
  --forum-primary-dark: #1d4ed8;
  --forum-accent: #10b981;
  --forum-accent-light: #34d399;
  --forum-bg: #f8fafc;
  --forum-card-bg: #ffffff;
  --forum-text: #1e293b;
  --forum-text-muted: #64748b;
  --forum-text-light: #94a3b8;
  --forum-border: #e2e8f0;
  --forum-border-light: #f1f5f9;
  --forum-upvote: #f97316;
  --forum-upvote-light: #fdba74;
  --forum-downvote: #8b5cf6;
  --forum-downvote-light: #c4b5fd;
  --forum-danger: #ef4444;
  --forum-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --forum-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.04);
  --forum-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.08), 0 4px 6px rgba(0, 0, 0, 0.04);
  --forum-radius: 8px;
  --forum-radius-sm: 4px;
  --forum-radius-lg: 12px;
  --forum-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  --forum-font-mono: "SF Mono", SFMono-Regular, Consolas, "Liberation Mono",
    Menlo, Courier, monospace;
  --forum-transition: 150ms ease;
  --forum-comment-depth-1: #3b82f6;
  --forum-comment-depth-2: #10b981;
  --forum-comment-depth-3: #f59e0b;
}

/* ---- Reset & Base ---- */
#forum-app {
  font-family: var(--forum-font);
  color: var(--forum-text);
  background: var(--forum-bg);
  line-height: 1.6;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 400px;
}

#forum-app *,
#forum-app *::before,
#forum-app *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

#forum-app a {
  color: var(--forum-primary);
  text-decoration: none;
  transition: color var(--forum-transition);
}

#forum-app a:hover {
  color: var(--forum-primary-dark);
  text-decoration: underline;
}

#forum-app button {
  font-family: var(--forum-font);
  cursor: pointer;
  border: none;
  background: none;
  font-size: inherit;
}

#forum-app input,
#forum-app textarea,
#forum-app select {
  font-family: var(--forum-font);
  font-size: 14px;
}

/* ---- Layout ---- */
.forum-layout {
  display: flex;
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 16px;
}

.forum-main {
  flex: 1;
  min-width: 0;
}

.forum-sidebar {
  width: 260px;
  flex-shrink: 0;
}

/* ---- Header / Toolbar ---- */
.forum-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.forum-header-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--forum-text);
}

.forum-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--forum-radius);
  font-weight: 600;
  font-size: 13px;
  transition: all var(--forum-transition);
  white-space: nowrap;
}

.forum-btn-primary {
  background: var(--forum-primary);
  color: #fff;
}

.forum-btn-primary:hover {
  background: var(--forum-primary-dark);
  box-shadow: var(--forum-shadow-md);
  transform: translateY(-1px);
}

.forum-btn-secondary {
  background: var(--forum-card-bg);
  color: var(--forum-text);
  border: 1px solid var(--forum-border);
}

.forum-btn-secondary:hover {
  background: var(--forum-bg);
  border-color: var(--forum-text-muted);
}

.forum-btn-danger {
  background: var(--forum-danger);
  color: #fff;
}

.forum-btn-danger:hover {
  background: #dc2626;
}

.forum-btn-sm {
  padding: 4px 10px;
  font-size: 12px;
  border-radius: var(--forum-radius-sm);
}

.forum-btn-icon {
  padding: 6px;
  border-radius: var(--forum-radius-sm);
}

/* ---- Sort Tabs ---- */
.forum-sort-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--forum-card-bg);
  border: 1px solid var(--forum-border);
  border-radius: var(--forum-radius);
  padding: 4px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.forum-sort-tab {
  padding: 6px 14px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 13px;
  color: var(--forum-text-muted);
  transition: all var(--forum-transition);
  position: relative;
}

.forum-sort-tab:hover {
  color: var(--forum-text);
  background: var(--forum-bg);
}

.forum-sort-tab.active {
  color: var(--forum-primary);
  background: #eff6ff;
}

.forum-sort-timeframe {
  margin-left: auto;
  position: relative;
}

.forum-sort-timeframe select {
  appearance: none;
  -webkit-appearance: none;
  padding: 5px 28px 5px 10px;
  border: 1px solid var(--forum-border);
  border-radius: 6px;
  background: var(--forum-card-bg);
  color: var(--forum-text-muted);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
}

.forum-sort-timeframe select:focus {
  outline: none;
  border-color: var(--forum-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* ---- Thread Card ---- */
.forum-thread-card {
  display: flex;
  background: var(--forum-card-bg);
  border: 1px solid var(--forum-border);
  border-radius: var(--forum-radius);
  padding: 12px;
  margin-bottom: 8px;
  transition: all var(--forum-transition);
}

.forum-thread-card:hover {
  border-color: var(--forum-text-light);
  box-shadow: var(--forum-shadow);
}

.forum-thread-card-content {
  flex: 1;
  min-width: 0;
}

.forum-thread-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--forum-text);
  margin-bottom: 4px;
  line-height: 1.4;
  display: block;
}

.forum-thread-title:hover {
  color: var(--forum-primary);
  text-decoration: none;
}

.forum-thread-preview {
  color: var(--forum-text-muted);
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.forum-thread-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--forum-text-muted);
}

.forum-thread-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.forum-thread-meta-item svg {
  width: 14px;
  height: 14px;
  opacity: 0.7;
}

.forum-thread-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.forum-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  background: #eff6ff;
  color: var(--forum-primary);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.6;
}

.forum-tag-category {
  background: #f0fdf4;
  color: var(--forum-accent);
}

/* ---- Vote Column ---- */
.forum-vote {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 40px;
  flex-shrink: 0;
  margin-right: 12px;
  padding-top: 2px;
}

.forum-vote-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--forum-radius-sm);
  color: var(--forum-text-light);
  transition: all var(--forum-transition);
}

.forum-vote-btn:hover {
  background: var(--forum-bg);
}

.forum-vote-btn svg {
  width: 18px;
  height: 18px;
}

.forum-vote-btn.upvote:hover,
.forum-vote-btn.upvote.voted {
  color: var(--forum-upvote);
  background: #fff7ed;
}

.forum-vote-btn.downvote:hover,
.forum-vote-btn.downvote.voted {
  color: var(--forum-downvote);
  background: #f5f3ff;
}

.forum-vote-score {
  font-size: 13px;
  font-weight: 700;
  color: var(--forum-text);
  padding: 2px 0;
  min-width: 28px;
  text-align: center;
  line-height: 1;
}

.forum-vote-score.positive {
  color: var(--forum-upvote);
}

.forum-vote-score.negative {
  color: var(--forum-downvote);
}

/* ---- Sidebar ---- */
.forum-sidebar-card {
  background: var(--forum-card-bg);
  border: 1px solid var(--forum-border);
  border-radius: var(--forum-radius);
  padding: 16px;
  margin-bottom: 16px;
}

.forum-sidebar-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--forum-text-muted);
  margin-bottom: 12px;
}

.forum-category-list {
  list-style: none;
}

.forum-category-item {
  margin-bottom: 2px;
}

.forum-category-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 10px;
  border-radius: 6px;
  color: var(--forum-text);
  font-size: 13px;
  font-weight: 500;
  transition: all var(--forum-transition);
}

.forum-category-link:hover {
  background: var(--forum-bg);
  text-decoration: none;
  color: var(--forum-primary);
}

.forum-category-link.active {
  background: #eff6ff;
  color: var(--forum-primary);
  font-weight: 600;
}

.forum-category-count {
  font-size: 11px;
  color: var(--forum-text-light);
  background: var(--forum-bg);
  padding: 1px 7px;
  border-radius: 100px;
  font-weight: 600;
}

/* Category pills (inline) */
.forum-category-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.forum-category-pill {
  padding: 5px 14px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--forum-text-muted);
  background: var(--forum-card-bg);
  border: 1px solid var(--forum-border);
  transition: all var(--forum-transition);
  cursor: pointer;
}

.forum-category-pill:hover {
  border-color: var(--forum-primary);
  color: var(--forum-primary);
}

.forum-category-pill.active {
  background: var(--forum-primary);
  color: #fff;
  border-color: var(--forum-primary);
}

/* ---- Thread View ---- */
.forum-thread-view {
  background: var(--forum-card-bg);
  border: 1px solid var(--forum-border);
  border-radius: var(--forum-radius);
  padding: 20px;
  margin-bottom: 16px;
}

.forum-thread-view-header {
  display: flex;
  gap: 12px;
}

.forum-thread-view-content {
  flex: 1;
  min-width: 0;
}

.forum-thread-view-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--forum-text);
  line-height: 1.3;
  margin-bottom: 8px;
}

.forum-thread-view-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--forum-text-muted);
  margin-bottom: 16px;
}

.forum-thread-view-body {
  font-size: 15px;
  line-height: 1.7;
  color: var(--forum-text);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.forum-thread-view-body p {
  margin-bottom: 12px;
}

.forum-thread-view-body p:last-child {
  margin-bottom: 0;
}

.forum-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--forum-text-muted);
}

.forum-breadcrumb a {
  color: var(--forum-text-muted);
  font-weight: 500;
}

.forum-breadcrumb a:hover {
  color: var(--forum-primary);
}

.forum-breadcrumb-sep {
  color: var(--forum-text-light);
}

/* ---- Comments ---- */
.forum-comments-section {
  margin-top: 16px;
}

.forum-comments-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.forum-comments-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--forum-text);
}

.forum-comment {
  display: flex;
  gap: 8px;
  margin-bottom: 4px;
}

.forum-comment-wrapper {
  position: relative;
  padding-left: 0;
  margin-bottom: 4px;
}

.forum-comment-wrapper[data-depth="1"] {
  padding-left: 24px;
  border-left: 2px solid var(--forum-comment-depth-1);
  margin-left: 12px;
}

.forum-comment-wrapper[data-depth="2"] {
  padding-left: 24px;
  border-left: 2px solid var(--forum-comment-depth-2);
  margin-left: 12px;
}

.forum-comment-wrapper[data-depth="3"] {
  padding-left: 24px;
  border-left: 2px solid var(--forum-comment-depth-3);
  margin-left: 12px;
}

.forum-comment-body-wrap {
  flex: 1;
  min-width: 0;
}

.forum-comment-card {
  background: var(--forum-card-bg);
  border: 1px solid var(--forum-border);
  border-radius: var(--forum-radius);
  padding: 12px;
}

.forum-comment-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--forum-text-muted);
  margin-bottom: 6px;
}

.forum-comment-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--forum-text);
  word-wrap: break-word;
}

.forum-comment-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}

.forum-comment-action-btn {
  font-size: 12px;
  font-weight: 600;
  color: var(--forum-text-muted);
  padding: 2px 6px;
  border-radius: var(--forum-radius-sm);
  transition: all var(--forum-transition);
}

.forum-comment-action-btn:hover {
  color: var(--forum-primary);
  background: #eff6ff;
}

.forum-collapse-btn {
  font-size: 11px;
  font-weight: 700;
  color: var(--forum-text-light);
  padding: 2px 6px;
  border-radius: var(--forum-radius-sm);
  transition: all var(--forum-transition);
  cursor: pointer;
}

.forum-collapse-btn:hover {
  color: var(--forum-primary);
  background: #eff6ff;
}

.forum-comment-collapsed .forum-comment-text,
.forum-comment-collapsed .forum-comment-actions,
.forum-comment-collapsed .forum-comment-children {
  display: none;
}

/* ---- Comment / Reply Form ---- */
.forum-comment-form {
  background: var(--forum-card-bg);
  border: 1px solid var(--forum-border);
  border-radius: var(--forum-radius);
  padding: 16px;
  margin-bottom: 16px;
}

.forum-comment-form.inline-reply {
  margin-top: 8px;
  margin-bottom: 8px;
  border-color: var(--forum-primary-light);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.08);
}

.forum-comment-form-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--forum-text);
  margin-bottom: 10px;
}

.forum-comment-form textarea {
  width: 100%;
  min-height: 80px;
  padding: 10px 12px;
  border: 1px solid var(--forum-border);
  border-radius: 6px;
  resize: vertical;
  font-size: 14px;
  line-height: 1.5;
  color: var(--forum-text);
  background: var(--forum-bg);
  transition: border-color var(--forum-transition), box-shadow var(--forum-transition);
}

.forum-comment-form textarea:focus {
  outline: none;
  border-color: var(--forum-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  background: var(--forum-card-bg);
}

.forum-comment-form-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 10px;
}

/* ---- Create Thread Form ---- */
.forum-create-form {
  background: var(--forum-card-bg);
  border: 1px solid var(--forum-border);
  border-radius: var(--forum-radius);
  padding: 24px;
}

.forum-create-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--forum-text);
  margin-bottom: 20px;
}

.forum-form-group {
  margin-bottom: 16px;
}

.forum-form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--forum-text);
  margin-bottom: 6px;
}

.forum-form-hint {
  font-size: 12px;
  color: var(--forum-text-muted);
  font-weight: 400;
  margin-left: 4px;
}

.forum-form-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--forum-border);
  border-radius: 6px;
  font-size: 14px;
  color: var(--forum-text);
  background: var(--forum-bg);
  transition: border-color var(--forum-transition), box-shadow var(--forum-transition);
}

.forum-form-input:focus {
  outline: none;
  border-color: var(--forum-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  background: var(--forum-card-bg);
}

textarea.forum-form-input {
  min-height: 160px;
  resize: vertical;
  line-height: 1.6;
}

select.forum-form-input {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.forum-form-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
}

/* ---- User Badge ---- */
.forum-user-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.forum-user-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--forum-primary-light);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
  overflow: hidden;
}

.forum-user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.forum-user-name {
  font-weight: 600;
  font-size: 13px;
  color: var(--forum-text);
}

.forum-ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 1px 6px;
  background: linear-gradient(135deg, #a78bfa, #818cf8);
  color: #fff;
  border-radius: 100px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.6;
}

.forum-ai-badge svg {
  width: 10px;
  height: 10px;
}

/* ---- Pagination ---- */
.forum-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 20px;
  padding: 12px 0;
}

.forum-page-btn {
  min-width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--forum-text-muted);
  border: 1px solid var(--forum-border);
  background: var(--forum-card-bg);
  transition: all var(--forum-transition);
  padding: 0 6px;
}

.forum-page-btn:hover {
  border-color: var(--forum-primary);
  color: var(--forum-primary);
  background: #eff6ff;
}

.forum-page-btn.active {
  background: var(--forum-primary);
  color: #fff;
  border-color: var(--forum-primary);
}

.forum-page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.forum-page-ellipsis {
  min-width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--forum-text-light);
}

/* ---- Loading & Empty States ---- */
.forum-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 20px;
  color: var(--forum-text-muted);
}

.forum-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--forum-border);
  border-top-color: var(--forum-primary);
  border-radius: 50%;
  animation: forum-spin 0.7s linear infinite;
  margin-bottom: 12px;
}

@keyframes forum-spin {
  to {
    transform: rotate(360deg);
  }
}

.forum-loading-text {
  font-size: 14px;
  font-weight: 500;
}

.forum-empty {
  text-align: center;
  padding: 48px 20px;
  color: var(--forum-text-muted);
}

.forum-empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.4;
}

.forum-empty-text {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--forum-text);
}

.forum-empty-sub {
  font-size: 13px;
  margin-bottom: 16px;
}

/* ---- Error State ---- */
.forum-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--forum-radius);
  padding: 16px 20px;
  margin-bottom: 16px;
  color: #dc2626;
  font-size: 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.forum-error-icon {
  flex-shrink: 0;
  margin-top: 1px;
}

.forum-error-icon svg {
  width: 18px;
  height: 18px;
}

.forum-error-message {
  flex: 1;
}

.forum-error-retry {
  color: #dc2626;
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
  font-size: 13px;
  background: none;
  border: none;
  padding: 0;
}

/* ---- Toast Notification ---- */
.forum-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  border-radius: var(--forum-radius);
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: var(--forum-text);
  box-shadow: var(--forum-shadow-lg);
  z-index: 10000;
  animation: forum-toast-in 0.25s ease;
  max-width: 360px;
}

.forum-toast.success {
  background: var(--forum-accent);
}

.forum-toast.error {
  background: var(--forum-danger);
}

.forum-toast.hiding {
  animation: forum-toast-out 0.2s ease forwards;
}

@keyframes forum-toast-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes forum-toast-out {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(12px);
  }
}

/* ---- Skeleton Loading ---- */
.forum-skeleton {
  background: linear-gradient(90deg, var(--forum-border-light) 25%, var(--forum-border) 50%, var(--forum-border-light) 75%);
  background-size: 200% 100%;
  animation: forum-skeleton-pulse 1.5s infinite;
  border-radius: var(--forum-radius-sm);
}

@keyframes forum-skeleton-pulse {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.forum-skeleton-card {
  display: flex;
  background: var(--forum-card-bg);
  border: 1px solid var(--forum-border);
  border-radius: var(--forum-radius);
  padding: 12px;
  margin-bottom: 8px;
}

.forum-skeleton-vote {
  width: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-right: 12px;
}

.forum-skeleton-vote-arrow {
  width: 18px;
  height: 18px;
  border-radius: var(--forum-radius-sm);
}

.forum-skeleton-vote-num {
  width: 24px;
  height: 14px;
}

.forum-skeleton-content {
  flex: 1;
}

.forum-skeleton-title {
  height: 18px;
  width: 70%;
  margin-bottom: 8px;
}

.forum-skeleton-text {
  height: 14px;
  width: 100%;
  margin-bottom: 6px;
}

.forum-skeleton-text-short {
  height: 14px;
  width: 50%;
  margin-bottom: 10px;
}

.forum-skeleton-meta {
  display: flex;
  gap: 12px;
}

.forum-skeleton-meta-item {
  height: 12px;
  width: 60px;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .forum-layout {
    flex-direction: column;
    padding: 12px 8px;
    gap: 12px;
  }

  .forum-sidebar {
    width: 100%;
    order: -1;
  }

  .forum-sidebar-card {
    padding: 12px;
  }

  .forum-category-list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
  }

  .forum-category-item {
    margin-bottom: 0;
  }

  .forum-category-link {
    padding: 5px 12px;
    border: 1px solid var(--forum-border);
    border-radius: 100px;
    font-size: 12px;
  }

  .forum-category-count {
    display: none;
  }

  .forum-header {
    flex-direction: column;
    align-items: stretch;
  }

  .forum-thread-card {
    padding: 10px;
  }

  .forum-thread-title {
    font-size: 15px;
  }

  .forum-thread-preview {
    -webkit-line-clamp: 1;
    font-size: 12px;
  }

  .forum-vote {
    width: 32px;
    margin-right: 8px;
  }

  .forum-vote-btn {
    width: 24px;
    height: 24px;
  }

  .forum-vote-btn svg {
    width: 14px;
    height: 14px;
  }

  .forum-vote-score {
    font-size: 11px;
  }

  .forum-sort-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .forum-sort-tab {
    white-space: nowrap;
    font-size: 12px;
    padding: 5px 10px;
  }

  .forum-thread-view {
    padding: 14px;
  }

  .forum-thread-view-title {
    font-size: 18px;
  }

  .forum-create-form {
    padding: 16px;
  }

  .forum-comment-wrapper[data-depth="1"],
  .forum-comment-wrapper[data-depth="2"],
  .forum-comment-wrapper[data-depth="3"] {
    padding-left: 12px;
    margin-left: 6px;
  }

  .forum-pagination {
    gap: 2px;
  }

  .forum-page-btn {
    min-width: 32px;
    height: 32px;
    font-size: 12px;
  }

  .forum-toast {
    left: 12px;
    right: 12px;
    bottom: 12px;
    max-width: none;
  }
}

@media (max-width: 480px) {
  .forum-thread-meta {
    gap: 6px;
  }

  .forum-form-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .forum-form-actions .forum-btn {
    justify-content: center;
  }
}