/* ================================================================
   FORUM — Knowledge Groups panel (.forum-* namespace).
   SPEC: docs/specs/features/SPEC_FORUM_KNOWLEDGE_GROUPS.md (Phase 2).
   Base modal uses .ecbt-overlay + .ecbt-dialog--xl design tokens;
   this file only owns the .forum-* layout/skin.
   ================================================================ */

.forum-dialog {
    display: flex;
    flex-direction: column;
    color: #e0e0e0;
}

.forum-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.forum-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #e0e0e0;
}

.forum-close {
    padding: 4px 10px;
}

.forum-body {
    display: grid;
    grid-template-columns: 240px 1fr 1.3fr;
    gap: 12px;
    flex: 1;
    min-height: 0;
    height: 70vh;
}

.forum-sidebar,
.forum-feed,
.forum-detail {
    border: 1px solid var(--border-color, #333);
    border-radius: 6px;
    padding: 10px;
    overflow-y: auto;
    background: var(--bg-secondary, #1a1a2a);
}

.forum-sidebar {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.forum-new-group,
.forum-new-thread {
    width: 100%;
    padding: 6px 10px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 8px;
}

.forum-groups {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.forum-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-align: left;
    padding: 8px 10px;
    border: 1px solid transparent;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.03);
    color: #e0e0e0;
    cursor: pointer;
    font-family: inherit;
}

.forum-group:hover {
    background: rgba(255, 255, 255, 0.06);
}

.forum-group--active {
    border-color: var(--accent, #60a5fa);
    background: rgba(96, 165, 250, 0.12);
}

.forum-group-name {
    font-size: 13px;
    font-weight: 600;
}

.forum-group-meta {
    font-size: 11px;
    color: #999;
}

.forum-badge {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 600;
    background: rgba(96, 165, 250, 0.2);
    color: #60a5fa;
}

.forum-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
}

.forum-chip {
    font-size: 9px;
    padding: 1px 6px;
    border-radius: 3px;
    background: rgba(168, 85, 247, 0.18);
    color: #c4a5f7;
}

.forum-feed-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.forum-thread-card {
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-align: left;
    padding: 8px 10px;
    border: 1px solid var(--border-color, #333);
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.02);
    color: #e0e0e0;
    cursor: pointer;
    font-family: inherit;
}

.forum-thread-card:hover {
    background: rgba(255, 255, 255, 0.05);
}

.forum-thread-title {
    font-size: 13px;
    font-weight: 600;
}

.forum-pin {
    color: #fbbf24;
    margin-right: 4px;
}

.forum-thread-meta {
    display: flex;
    gap: 12px;
    font-size: 11px;
    color: #999;
}

.forum-detail-head {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 8px;
    margin-bottom: 10px;
}

.forum-detail-title {
    margin: 0 0 4px;
    font-size: 16px;
    font-weight: 600;
    color: #e0e0e0;
}

.forum-detail-sub {
    font-size: 11px;
    color: #999;
}

.forum-detail-main {
    display: flex;
    gap: 10px;
    margin-bottom: 14px;
}

.forum-votebox {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.forum-vote {
    background: transparent;
    border: 1px solid var(--border-color, #444);
    color: #aaa;
    border-radius: 4px;
    cursor: pointer;
    padding: 2px 6px;
    font-size: 12px;
}

.forum-vote:hover {
    color: #60a5fa;
    border-color: #60a5fa;
}

.forum-vote--sm {
    margin-top: 4px;
    font-size: 11px;
}

.forum-vote-count {
    font-size: 12px;
    font-weight: 600;
    color: #e0e0e0;
}

.forum-detail-body,
.forum-reply-body {
    font-size: 13px;
    line-height: 1.5;
    color: #d0d0d0;
    word-break: break-word;
}

.forum-detail-body code,
.forum-reply-body code {
    background: rgba(255, 255, 255, 0.06);
    padding: 1px 4px;
    border-radius: 3px;
    font-family: monospace;
}

.forum-replies {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
}

.forum-reply {
    padding: 8px 10px;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.03);
}

.forum-reply--nested {
    margin-left: 20px;
    border-left: 2px solid var(--accent, #60a5fa);
}

.forum-reply-meta {
    font-size: 11px;
    color: #999;
    margin-bottom: 4px;
}

.forum-composer {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.forum-reply-input {
    width: 100%;
    padding: 8px;
    border-radius: 4px;
    border: 1px solid var(--border-color, #444);
    background: var(--bg-primary, #121220);
    color: #e0e0e0;
    font-family: inherit;
    font-size: 12px;
    resize: vertical;
}

.forum-reply-submit {
    align-self: flex-end;
    padding: 6px 14px;
    font-size: 12px;
}

.forum-empty {
    padding: 20px;
    text-align: center;
    color: var(--text-tertiary, #888);
    font-size: 12px;
}

@media (max-width: 900px) {
    .forum-body {
        grid-template-columns: 1fr;
        height: auto;
    }
}