/* ═══════════════════════════════════════════════════════════════════
   Konversations — Discourse + Flarum inspired redesign
   ═══════════════════════════════════════════════════════════════════ */

/* ─── Layout ─── */
.forum-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}
@media (min-width: 1024px) {
    .forum-layout {
        grid-template-columns: 1fr 280px;
    }
    .forum-sidebar {
        display: block;
    }
}

/* ─── Category Cards (index page) ─── */
.forum-cat-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.875rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    transition: all 0.15s ease;
}
.forum-cat-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
    transform: translateY(-1px);
}
.forum-cat-card__icon {
    flex-shrink: 0;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
}
.forum-cat-card__body {
    flex: 1;
    min-width: 0;
}
.forum-cat-card__name {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--text);
}
.forum-cat-card__desc {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 0.125rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.forum-cat-card__stats {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
    font-size: 0.75rem;
    color: var(--text-muted);
}
.forum-cat-card__stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 2.5rem;
}
.forum-cat-card__stat-num {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text);
    line-height: 1;
}
.forum-cat-card__stat-label {
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.125rem;
}
.forum-cat-card__chevron {
    color: var(--text-muted);
    font-size: 0.75rem;
    flex-shrink: 0;
}

/* ─── Thread Row (category thread list) ─── */
.forum-row {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    transition: all 0.15s ease;
    text-decoration: none;
    color: inherit;
}
.forum-row:hover {
    box-shadow: var(--shadow-sm);
    border-color: var(--primary);
    transform: translateY(-1px);
}
.forum-row__checkbox {
    display: flex;
    align-items: center;
    padding-top: 0.15rem;
    cursor: pointer;
}
.forum-row__checkbox input {
    width: 1rem;
    height: 1rem;
    accent-color: var(--primary);
    cursor: pointer;
}
.forum-row--unread {
    border-left: 3px solid var(--primary);
}
.forum-row--unread .forum-row__title {
    font-weight: 600;
}
.forum-row--pinned {
    border-left: 3px solid #8B5CF6;
    background: linear-gradient(135deg, var(--surface) 0%, rgba(139, 92, 246, 0.03) 100%);
}

.forum-row__avatar {
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    object-fit: cover;
}
.forum-row__avatar--initial {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    font-size: 0.875rem;
    font-weight: 600;
    background: var(--primary-light);
    color: var(--primary);
    flex-shrink: 0;
}

.forum-row__body {
    flex: 1;
    min-width: 0;
}
.forum-row__title {
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--text);
    line-height: 1.3;
}
.forum-row__title a {
    color: inherit;
    text-decoration: none;
}
.forum-row__title a:hover {
    color: var(--primary);
}
.forum-row__excerpt {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}
.forum-row__meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.375rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.375rem;
}
.forum-row__meta a {
    color: var(--text-muted);
    text-decoration: none;
}
.forum-row__meta a:hover {
    color: var(--primary);
}
.forum-row__meta-sep {
    color: var(--border);
}

.forum-row__right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
    flex-shrink: 0;
    min-width: 4rem;
}
.forum-row__stats {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}
.forum-row__stats span {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}
.forum-row__activity {
    font-size: 0.6875rem;
    color: var(--text-muted);
    text-align: right;
    white-space: nowrap;
}
.forum-row__activity-avatar {
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    object-fit: cover;
    margin-left: 0.25rem;
}

/* ─── Participant avatars (stacked, Discourse-style) ─── */
.forum-participants {
    display: flex;
    align-items: center;
}
.forum-participants__avatar {
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    border: 2px solid var(--surface);
    margin-left: -0.375rem;
    object-fit: cover;
}
.forum-participants__avatar:first-child {
    margin-left: 0;
}
.forum-participants__avatar--initial {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    border: 2px solid var(--surface);
    margin-left: -0.375rem;
    font-size: 0.5rem;
    font-weight: 600;
    background: var(--primary-light);
    color: var(--primary);
}
.forum-participants__avatar--initial:first-child {
    margin-left: 0;
}
.forum-participants__more {
    font-size: 0.625rem;
    color: var(--text-muted);
    margin-left: 0.25rem;
}

/* ─── Unread indicator ─── */
.forum-unread-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    flex-shrink: 0;
}

/* ─── Trust badge ─── */
.forum-trust-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    line-height: 1.4;
}
.forum-trust-badge--0 {
    background: var(--surface-hover);
    color: var(--text-muted);
}
.forum-trust-badge--1 {
    background: rgba(34, 197, 94, 0.12);
    color: #16a34a;
}
.forum-trust-badge--2 {
    background: rgba(59, 130, 246, 0.12);
    color: #2563eb;
}
.forum-trust-badge--3,
.forum-trust-badge--4 {
    background: rgba(139, 92, 246, 0.12);
    color: #7c3aed;
}

/* ─── Status badges ─── */
.forum-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.forum-status-badge--pinned {
    background: rgba(139, 92, 246, 0.12);
    color: #7c3aed;
}
.forum-status-badge--locked {
    background: var(--surface-hover);
    color: var(--text-muted);
}

/* ─── Sort controls ─── */
.forum-sort-bar {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.5rem;
    border-radius: var(--radius);
    background: var(--surface);
    border: 1px solid var(--border);
    margin-bottom: 0.75rem;
    overflow-x: auto;
}
.forum-sort-bar__label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-right: 0.5rem;
    white-space: nowrap;
}
.forum-sort-bar__link {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.1s ease;
}
.forum-sort-bar__link:hover {
    background: var(--surface-hover);
    color: var(--text);
}
.forum-sort-bar__link--active {
    background: var(--primary);
    color: white;
    font-weight: 500;
}

/* ─── Reply voting ─── */
.forum-vote {
    display: inline-flex;
    align-items: center;
    gap: 0.125rem;
    font-size: 0.75rem;
}
.forum-vote__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 0.375rem;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.1s ease;
}
.forum-vote__btn:hover {
    background: var(--surface-hover);
}
.forum-vote__btn--up:hover,
.forum-vote__btn--up.active {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.1);
}
.forum-vote__btn--down:hover,
.forum-vote__btn--down.active {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}
.forum-vote__score {
    font-weight: 600;
    min-width: 1.5rem;
    text-align: center;
}
.forum-vote__score--positive { color: #22c55e; }
.forum-vote__score--negative { color: #ef4444; }

/* ─── Reply threading (tree lines) ─── */
.forum-replies {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.forum-reply {
    position: relative;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}
.forum-reply:last-child {
    border-bottom: none;
}
.forum-reply__inner {
    display: flex;
    gap: 0.75rem;
}
.forum-reply__avatar {
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    object-fit: cover;
}
.forum-reply__avatar--initial {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--primary-light);
    color: var(--primary);
    flex-shrink: 0;
}
.forum-reply__body {
    flex: 1;
    min-width: 0;
}
.forum-reply__meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-bottom: 0.375rem;
}
.forum-reply__author {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text);
    text-decoration: none;
}
.forum-reply__author:hover {
    color: var(--primary);
}
.forum-reply__time {
    font-size: 0.75rem;
    color: var(--text-muted);
}
.forum-reply__parent {
    font-size: 0.75rem;
    color: var(--text-muted);
}
.forum-reply__parent a {
    color: var(--primary);
    text-decoration: none;
}
.forum-reply__content {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text);
    word-wrap: break-word;
}
.forum-reply__content p {
    margin-bottom: 0.5rem;
}
.forum-reply__content p:last-child {
    margin-bottom: 0;
}
.forum-reply__actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}
.forum-reply__actions button,
.forum-reply__actions a {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    border: none;
    background: none;
    color: var(--text-muted);
    font-size: 0.75rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.1s ease;
}
.forum-reply__actions button:hover,
.forum-reply__actions a:hover {
    background: var(--surface-hover);
    color: var(--text);
}

/* Nested replies: tree connector lines */
.forum-reply--nested {
    margin-left: 2.75rem;
    border-left: 2px solid var(--border);
    padding-left: 1rem;
    border-bottom: none;
}
.forum-reply--nested-2 {
    margin-left: 5.5rem;
}
.forum-reply--nested-3 {
    margin-left: 8.25rem;
}

/* Collapse toggle */
.forum-reply__collapse {
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.75rem;
    user-select: none;
}
.forum-reply__collapse:hover {
    color: var(--text);
}
.forum-reply__children.collapsed {
    display: none;
}

/* New reply highlight */
@keyframes forum-highlight {
    0% { background-color: rgba(34, 197, 94, 0.1); }
    100% { background-color: transparent; }
}
.forum-reply--new {
    border-left: 3px solid #22c55e;
    animation: forum-highlight 2s ease-out;
}

/* ─── Thread header ─── */
.forum-thread-header {
    padding: 1.25rem;
    border-bottom: 1px solid var(--border);
}
.forum-thread-header__title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
    margin-bottom: 0.5rem;
}
.forum-thread-header__meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--text-muted);
}
.forum-thread-header__meta a {
    color: var(--primary);
    text-decoration: none;
}
.forum-thread-header__meta a:hover {
    text-decoration: underline;
}
.forum-thread-header__actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
}
.forum-thread-header__action {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    border-radius: 9999px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-muted);
    font-size: 0.75rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.1s ease;
}
.forum-thread-header__action:hover {
    background: var(--surface-hover);
    color: var(--text);
    border-color: var(--primary);
}
.forum-thread-header__action--active {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}

/* ─── Moderation actions bar ─── */
.forum-mod-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.75rem;
    margin-bottom: 0.75rem;
}
.forum-mod-bar__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-muted);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.1s ease;
    white-space: nowrap;
}
.forum-mod-bar__btn:hover {
    background: var(--surface-hover);
    color: var(--text);
    border-color: var(--primary);
}
.forum-mod-bar__btn--active {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}
.forum-mod-bar__btn--danger:hover {
    color: #ef4444;
    border-color: #ef4444;
}

/* ─── Batch operations ─── */
.forum-batch-bar {
    display: none;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--primary-light);
    border: 1px solid var(--primary);
    border-radius: var(--radius);
    font-size: 0.75rem;
    margin-bottom: 0.75rem;
}
.forum-batch-bar.active {
    display: flex;
}
.forum-batch-bar select {
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    border: 1px solid var(--border);
    font-size: 0.75rem;
    background: var(--surface);
    color: var(--text);
}

/* ─── Composer ─── */
.forum-composer {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.forum-composer-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}
.forum-composer-toolbar__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 0.375rem;
    border: none;
    background: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.8125rem;
    transition: all 0.1s ease;
}
.forum-composer-toolbar__btn:hover {
    background: var(--surface-hover);
    color: var(--text);
}
.forum-composer__textarea {
    width: 100%;
    min-height: 120px;
    padding: 0.75rem;
    border: none;
    resize: vertical;
    font-size: 0.875rem;
    line-height: 1.6;
    background: var(--surface);
    color: var(--text);
}
.forum-composer__textarea:focus {
    outline: none;
}
.forum-composer__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.75rem;
    border-top: 1px solid var(--border);
    background: var(--surface-hover);
}
.forum-composer__hint {
    font-size: 0.6875rem;
    color: var(--text-muted);
}
.forum-composer__preview {
    padding: 0.75rem;
    border: none;
    background: var(--surface);
    min-height: 4rem;
    font-size: 0.875rem;
    color: var(--text);
    display: none;
}
.forum-composer__preview.active {
    display: block;
}

/* ─── Quote block ─── */
.forum-quote {
    border-left: 3px solid var(--primary);
    padding: 0.5rem 0.75rem;
    margin: 0.5rem 0;
    background: var(--surface-hover);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: 0.875rem;
    color: var(--text-muted);
}
.forum-quote-header {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

/* ─── Sidebar widgets ─── */
.forum-widget {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.forum-widget__header {
    padding: 0.75rem 1rem;
    font-weight: 600;
    font-size: 0.8125rem;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.forum-widget__body {
    padding: 0.75rem 1rem;
}
.forum-widget__item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0;
    font-size: 0.8125rem;
    color: var(--text-muted);
    text-decoration: none;
}
.forum-widget__item:hover {
    color: var(--primary);
}
.forum-widget__item-avatar {
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    object-fit: cover;
}

/* ─── Checkbox selection ─── */
.forum-select-cb {
    width: 1rem;
    height: 1rem;
    accent-color: var(--primary);
    cursor: pointer;
    flex-shrink: 0;
}

/* ─── Category header ─── */
.forum-cat-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}
.forum-cat-header__icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}
.forum-cat-header__body {
    flex: 1;
}
.forum-cat-header__name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text);
}
.forum-cat-header__desc {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 0.125rem;
}
.forum-cat-header__stats {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .forum-row__excerpt {
        display: none;
    }
    .forum-cat-card__stats {
        display: none;
    }
    .forum-reply--nested {
        margin-left: 1.5rem;
    }
    .forum-reply--nested-2 {
        margin-left: 3rem;
    }
    .forum-reply--nested-3 {
        margin-left: 4.5rem;
    }
    .forum-row__right {
        min-width: 3rem;
    }
}

/* Category header card */
.forum-cat-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
}
.forum-cat-header__icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}
.forum-cat-header__body {
    flex: 1;
    min-width: 0;
}
.forum-cat-header__name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
}
.forum-cat-header__desc {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 0.15rem;
}
.forum-cat-header__stats {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

/* Batch moderation bar */
.forum-select-cb {
    accent-color: var(--primary);
}
.forum-batch-bar {
    display: none;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.9rem;
    margin-bottom: 1rem;
    border-radius: 0.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
}
.forum-batch-bar.active {
    display: flex;
}
.forum-batch-bar select {
    padding: 0.3rem 0.5rem;
    border-radius: 0.375rem;
    font-size: 0.8125rem;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
}

/* Thread header */
.forum-thread-header {
    padding: 1.25rem 1.25rem 0.75rem;
    border-bottom: 1px solid var(--border);
}
.forum-thread-header__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
}
.forum-thread-header__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.5rem;
    font-size: 0.8125rem;
    color: var(--text-muted);
}
.forum-thread-header__meta a {
    color: var(--primary);
    font-weight: 500;
}
.forum-thread-header__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.75rem;
}
.forum-thread-header__action {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.7rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    border: 1px solid var(--border);
    background: transparent;
    cursor: pointer;
    transition: all 0.15s;
}
.forum-thread-header__action:hover {
    color: var(--text);
    border-color: var(--primary);
}
.forum-thread-header__action--active {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-light);
}