.forum-main {
  padding-top: var(--navbar-height);
  min-height: 100dvh;
}

.forum-container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
  padding-block: var(--space-10) var(--space-16);
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: var(--space-8);
  align-items: start;
}

.forum-main-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.forum-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.forum-header__text h1 {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-on-surface);
  letter-spacing: -0.02em;
}

.forum-header__text p {
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.forum-filters {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.forum-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-family: var(--font-brand);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.forum-chip:hover {
  color: var(--color-on-surface);
  border-color: var(--color-muted-2);
}

.forum-chip--active {
  background-color: var(--color-on-surface);
  color: var(--color-bg);
  border-color: var(--color-on-surface);
}

.forum-chip--active:hover {
  opacity: 0.88;
  color: var(--color-bg);
}

.forum-posts {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.forum-post {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  background-color: var(--color-surface);
  transition: background-color var(--transition-fast);
  cursor: pointer;
}

.forum-post+.forum-post {
  border-top: 1px solid var(--color-border-subtle);
}

.forum-post:hover {
  background-color: var(--color-surface-raised);
}

.forum-post--pinned {
  background-color: var(--color-surface-raised);
}

.forum-vote {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  flex-shrink: 0;
  padding-top: 2px;
}

.forum-vote__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-muted-2);
  transition: color var(--transition-fast);
  padding: 2px;
  border-radius: var(--radius-sm);
}

.forum-vote__btn:hover {
  color: var(--color-on-surface);
}

.forum-vote__btn .material-symbols-rounded {
  font-size: 18px;
}

.forum-vote__btn--active.forum-vote__btn--up {
  color: var(--color-accent);
}

.forum-vote__btn--active.forum-vote__btn--down {
  color: var(--color-accent);
}

.forum-vote__count {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--color-muted);
  min-width: 16px;
  text-align: center;
}

.forum-vote--sm .forum-vote__btn .material-symbols-rounded {
  font-size: 14px;
}

.forum-vote--sm .forum-vote__count {
  font-size: 10px;
}

.forum-post__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
}

.forum-post__top {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.forum-tag {
  font-size: 10px;
  font-weight: var(--weight-semibold);
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.forum-tag--js {
  background-color: rgba(234, 179, 8, 0.12);
  color: #b45309;
}

.forum-tag--py {
  background-color: rgba(59, 130, 246, 0.12);
  color: #1d4ed8;
}

.forum-tag--css {
  background-color: rgba(139, 92, 246, 0.12);
  color: #7c3aed;
}

.forum-tag--sql {
  background-color: rgba(16, 185, 129, 0.12);
  color: #065f46;
}

.forum-tag--ts {
  background-color: rgba(59, 130, 246, 0.15);
  color: #1e40af;
}

.forum-tag--gen {
  background-color: var(--color-accent-dim);
  color: var(--color-muted);
}

.forum-pin {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 10px;
  font-weight: var(--weight-semibold);
  color: var(--color-muted-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.forum-pin .material-symbols-rounded {
  font-size: 12px;
}

.forum-post__title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-on-surface);
  line-height: 1.4;
}

.forum-post__excerpt {
  font-size: var(--text-xs);
  color: var(--color-muted);
  font-weight: var(--weight-regular);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.forum-post__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.forum-meta-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-muted-2);
  font-weight: var(--weight-medium);
}

.forum-meta-item .material-symbols-rounded {
  font-size: 13px;
}

.forum-side {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  position: sticky;
  top: calc(var(--navbar-height) + var(--space-8));
}

.fside-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface);
}

.fside-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted-2);
}

.fside-cats {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.fside-cat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.fside-cat:hover {
  background-color: var(--color-surface-raised);
}

.fside-cat__left {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-on-surface);
}

.fside-cat__left .material-symbols-rounded {
  font-size: 16px;
  color: var(--color-muted);
}

.fside-cat__count {
  font-size: var(--text-xs);
  color: var(--color-muted-2);
  font-weight: var(--weight-medium);
}

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

.fside-rule {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-muted);
  line-height: 1.5;
}

.fside-rule__num {
  font-weight: var(--weight-bold);
  color: var(--color-muted-2);
  flex-shrink: 0;
  min-width: 14px;
}

.forum-modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  background-color: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease;
}

.forum-modal.open {
  opacity: 1;
  pointer-events: all;
}

.forum-modal__box {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 560px;
  max-height: 85dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.forum-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border-subtle);
  flex-shrink: 0;
}

.forum-modal__title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-on-surface);
  line-height: 1.4;
}

.forum-modal__close {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-muted);
  flex-shrink: 0;
  transition: color var(--transition-fast);
  padding: 0;
}

.forum-modal__close:hover {
  color: var(--color-on-surface);
}

.forum-modal__close .material-symbols-rounded {
  font-size: 20px;
}

.forum-modal__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
  overflow-y: auto;
}

.forum-modal__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.forum-modal__text {
  font-size: var(--text-sm);
  color: var(--color-muted);
  font-weight: var(--weight-regular);
  line-height: 1.7;
  white-space: pre-wrap;
}

.forum-modal__section-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted-2);
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border-subtle);
}

.forum-modal__replies {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.forum-modal__empty {
  font-size: var(--text-xs);
  color: var(--color-muted);
  font-weight: var(--weight-medium);
}

.forum-modal__reply-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.forum-modal__input {
  flex: 1;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-brand);
  font-size: var(--text-sm);
  color: var(--color-on-surface);
  outline: none;
  transition: border-color var(--transition-fast);
  width: 100%;
}

.forum-modal__input:focus {
  border-color: var(--color-muted-2);
}

.forum-modal__input::placeholder {
  color: var(--color-muted);
}

.forum-modal__textarea {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  font-family: var(--font-brand);
  font-size: var(--text-sm);
  color: var(--color-on-surface);
  outline: none;
  resize: vertical;
  transition: border-color var(--transition-fast);
  width: 100%;
}

.forum-modal__textarea:focus {
  border-color: var(--color-muted-2);
}

.forum-modal__textarea::placeholder {
  color: var(--color-muted);
}

.forum-modal__select {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-brand);
  font-size: var(--text-sm);
  color: var(--color-on-surface);
  outline: none;
  cursor: pointer;
  width: 100%;
}

.forum-modal__send {
  flex-shrink: 0;
  padding: var(--space-2) var(--space-3);
}

.forum-modal__send .material-symbols-rounded {
  font-size: 18px;
}

.forum-modal__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
}

.forum-reply {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.forum-reply--nested {
  margin-left: var(--space-8);
}

.forum-reply__avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background-color: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-muted);
}

.forum-reply__avatar .material-symbols-rounded {
  font-size: 14px;
}

.forum-reply__bubble {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background-color: var(--color-surface-raised);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  flex: 1;
}

.forum-reply__author {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-on-surface);
}

.forum-reply__text {
  font-size: var(--text-xs);
  color: var(--color-muted);
  line-height: 1.5;
}

.forum-reply__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-1);
}

.forum-reply__reply-btn {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: var(--font-brand);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-muted-2);
  padding: 0;
  transition: color var(--transition-fast);
}

.forum-reply__reply-btn .material-symbols-rounded {
  font-size: 13px;
}

.forum-reply__reply-btn:hover {
  color: var(--color-on-surface);
}

.forum-reply-context {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-muted);
}

.forum-reply-context .material-symbols-rounded {
  font-size: 14px;
  color: var(--color-muted-2);
}

.forum-reply-context button {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-muted-2);
  padding: 0;
  margin-left: auto;
  transition: color var(--transition-fast);
}

.forum-reply-context button .material-symbols-rounded {
  font-size: 14px;
}

.forum-reply-context button:hover {
  color: var(--color-on-surface);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-on-surface);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-fast);
}

.btn--outline:hover {
  border-color: var(--color-muted-2);
}

.forum-post__author-actions {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: auto;
}

.forum-author-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-muted-2);
  padding: 3px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.forum-author-btn .material-symbols-rounded {
  font-size: 15px;
}

.forum-author-btn:hover {
  color: var(--color-on-surface);
  background-color: var(--color-surface-raised);
}

.forum-author-btn--danger:hover {
  color: var(--color-error);
  background-color: rgba(239, 68, 68, 0.08);
}

.forum-author-btn--danger-inline {
  color: var(--color-muted-2);
  transition: color var(--transition-fast);
}

.forum-author-btn--danger-inline:hover {
  color: var(--color-error);
}

@media (max-width: 860px) {
  .forum-container {
    grid-template-columns: 1fr;
  }

  .forum-side {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .forum-side {
    grid-template-columns: 1fr;
  }

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