/* ==========================================================================
   Public Discussion Pages — Reddit-style SEO threads
   All values use design-system tokens from tokens.css
   ========================================================================== */

/* ---- Layout: sidebar + main grid ---- */
.disc-layout {
    display: grid;
    grid-template-columns: 1fr minmax(0, 280px);
    gap: var(--space-6);
    max-width: 1080px;
    margin: 0;
    padding: var(--space-6);
}

/* Sidebar on LEFT variant (new default) */
.disc-layout--sidebar-left {
    grid-template-columns: minmax(0, 280px) 1fr;
}

.disc-layout--sidebar-left .disc-sidebar {
    order: 0;
}

.disc-layout--sidebar-left .disc-main {
    order: 1;
}

.disc-main {
    min-width: 0;
}

.disc-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

/* ---- Breadcrumb nav ---- */
.disc-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
}

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

.disc-breadcrumb a:hover {
    text-decoration: underline;
}

.disc-breadcrumb__sep {
    color: var(--text-muted);
}

/* ---- Page header ---- */
.disc-header {
    margin-bottom: var(--space-6);
}

.disc-header__title {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin: 0 0 var(--space-2) 0;
}

.disc-header__subtitle {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin: 0;
}

/* ---- Channel list (index page) ---- */
.disc-channel-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.disc-channel-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--surface-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-default);
    text-decoration: none;
    color: inherit;
    transition: box-shadow var(--duration-normal) var(--ease-default),
                border-color var(--duration-normal) var(--ease-default);
}

.disc-channel-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--accent-secondary);
}

.disc-channel-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--surface-secondary);
    color: var(--accent-secondary);
    flex-shrink: 0;
    font-size: var(--text-xl);
}

.disc-channel-card__body {
    flex: 1;
    min-width: 0;
}

.disc-channel-card__name {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin: 0;
}

.disc-channel-card__desc {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin: var(--space-1) 0 0 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.disc-channel-card__meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-1);
    flex-shrink: 0;
}

.disc-channel-card__count {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-primary);
}

.disc-channel-card__time {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

/* ---- Thread list (channel page) ---- */
.disc-thread-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.disc-thread-card {
    display: block;
    padding: var(--space-4);
    background: var(--surface-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-default);
    text-decoration: none;
    color: inherit;
    transition: box-shadow var(--duration-normal) var(--ease-default),
                border-color var(--duration-normal) var(--ease-default);
}

.disc-thread-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--accent-secondary);
}

.disc-thread-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.disc-thread-card__avatar {
    width: var(--space-6);
    height: var(--space-6);
    border-radius: var(--radius-full);
    object-fit: cover;
    aspect-ratio: 1;
    flex-shrink: 0;
}

.disc-thread-card__author {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
}

.disc-thread-card__time {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.disc-thread-card__dot {
    color: var(--text-muted);
    font-size: var(--text-xs);
}

.disc-thread-card__content {
    font-size: var(--text-base);
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0 0 var(--space-3) 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.disc-thread-card__footer {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.disc-thread-card__stat {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

/* ---- Thread view (post + comments) ---- */
.disc-post {
    background: var(--surface-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-default);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

.disc-post__header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.disc-post__avatar {
    width: var(--space-10);
    height: var(--space-10);
    border-radius: var(--radius-full);
    object-fit: cover;
    aspect-ratio: 1;
    flex-shrink: 0;
}

.disc-post__avatar-link {
    display: block;
    flex-shrink: 0;
}

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

.disc-post__author {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    text-decoration: none;
}

.disc-post__author:hover {
    text-decoration: underline;
}

.disc-post__time {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.disc-post__body {
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--text-primary);
    word-break: break-word;
}

.disc-post__body p {
    margin: 0 0 var(--space-3) 0;
}

.disc-post__body p:last-child {
    margin-bottom: 0;
}

.disc-post__image {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin-top: var(--space-4);
}

.disc-post__stats {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-default);
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.disc-post__stat {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

/* ---- Nested comments ---- */
.disc-comments {
    margin-bottom: var(--space-6);
}

.disc-comments__title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin: 0 0 var(--space-4) 0;
}

.disc-comment {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-4) 0;
    border-top: 1px solid var(--border-subtle);
}

.disc-comment:first-child {
    border-top: none;
}

.disc-comment__avatar {
    width: var(--space-8);
    height: var(--space-8);
    border-radius: var(--radius-full);
    object-fit: cover;
    aspect-ratio: 1;
    flex-shrink: 0;
}

.disc-comment__avatar-link {
    display: block;
    flex-shrink: 0;
}

.disc-comment__body {
    flex: 1;
    min-width: 0;
}

.disc-comment__header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-1);
}

.disc-comment__author {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    text-decoration: none;
}

.disc-comment__author:hover {
    text-decoration: underline;
}

.disc-comment__time {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.disc-comment__text {
    font-size: var(--text-sm);
    line-height: 1.6;
    color: var(--text-secondary);
    word-break: break-word;
}

.disc-comment__votes {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: var(--space-1);
}

/* Nested replies */
.disc-replies {
    margin-left: var(--space-8);
    border-left: 2px solid var(--border-default);
    padding-left: var(--space-4);
}

/* ---- Sidebar components ---- */
.disc-sidebar-card {
    background: var(--surface-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-default);
    padding: var(--space-4);
}

.disc-sidebar-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 var(--space-3) 0;
}

.disc-house-info {
    text-align: center;
}

.disc-house-info__avatar {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    object-fit: cover;
    margin: 0 auto var(--space-3) auto;
    display: block;
}

.disc-house-info__name {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin: 0 0 var(--space-1) 0;
}

.disc-house-info__name a {
    color: inherit;
    text-decoration: none;
}

.disc-house-info__name a:hover {
    text-decoration: underline;
}

.disc-house-info__goal {
    font-size: var(--text-sm);
    color: var(--accent-secondary);
    font-weight: var(--font-medium);
    margin: 0 0 var(--space-3) 0;
}

.disc-house-info__desc {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.5;
    text-align: left;
}

/* House apps list */
.disc-apps-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.disc-app-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-primary);
    font-size: var(--text-sm);
    transition: background var(--duration-fast) var(--ease-default);
}

.disc-app-item:hover {
    background: var(--surface-secondary);
}

.disc-app-item__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    background: var(--surface-tertiary);
    flex-shrink: 0;
    font-size: var(--text-sm);
    color: var(--accent-tertiary);
}

.disc-app-item__name {
    font-weight: var(--font-medium);
}

/* CTA section */
.disc-cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

/* Related houses */
.disc-related-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.disc-related-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: inherit;
    transition: background var(--duration-fast) var(--ease-default);
}

.disc-related-item:hover {
    background: var(--surface-secondary);
}

.disc-related-item__avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
}

.disc-related-item__info {
    flex: 1;
    min-width: 0;
}

.disc-related-item__name {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-primary);
}

.disc-related-item__value {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

/* ---- Channel tabs (channel filter) ---- */
.disc-channel-tabs {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    overflow-x: auto;
    padding-bottom: var(--space-2);
}

.disc-channel-tab {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    text-decoration: none;
    white-space: nowrap;
    color: var(--text-secondary);
    background: var(--surface-secondary);
    border: 1px solid transparent;
    transition: all var(--duration-fast) var(--ease-default);
}

.disc-channel-tab:hover {
    background: var(--surface-tertiary);
    color: var(--text-primary);
}

.disc-channel-tab--active {
    background: var(--accent-secondary);
    color: var(--surface-primary);
    border-color: var(--accent-secondary);
}

/* ---- Empty state ---- */
.disc-empty {
    text-align: center;
    padding: var(--space-12) var(--space-4);
    color: var(--text-muted);
}

.disc-empty__icon {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-3);
    opacity: 0.5;
}

.disc-empty__text {
    font-size: var(--text-base);
    margin: 0;
}

/* ---- Mini House Card (sidebar) — mirrors ds-house-info-card at smaller scale ---- */
.disc-mini-house-card {
    background: var(--surface-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-default);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.disc-mini-house-card__banner {
    width: 100%;
    height: 80px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-dark-600, var(--accent-dark)), var(--color-dark-500, var(--surface-tertiary)));
}

.disc-mini-house-card__banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.disc-mini-house-card__banner-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.4) 0%, transparent 60%);
    pointer-events: none;
}

.disc-mini-house-card__body {
    padding: var(--space-3);
    text-align: center;
}

.disc-mini-house-card__logo {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    object-fit: contain;
    border: 2px solid var(--surface-primary);
    margin-top: calc(-1 * var(--space-8));
    position: relative;
    z-index: 1;
    background: var(--surface-primary);
    margin-bottom: var(--space-2);
}

.disc-mini-house-card__name {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.disc-mini-house-card__name a {
    color: inherit;
    text-decoration: none;
}

.disc-mini-house-card__name a:hover {
    text-decoration: underline;
}

.disc-mini-house-card__motto {
    font-family: var(--font-serif);
    font-size: var(--text-xs);
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: var(--space-3);
    line-height: 1.4;
}

.disc-mini-house-card__stats {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-3);
}

.disc-mini-house-card__stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
}

.disc-mini-house-card__stat-value {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: var(--font-bold);
    color: var(--text-primary);
}

.disc-mini-house-card__stat-label {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.disc-mini-house-card__join {
    width: 100%;
}

/* ---- Topics Dropdown (nav filter) ---- */
.disc-topics {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.disc-topics__label {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    white-space: nowrap;
}

.disc-topics__select {
    max-width: 240px;
    font-size: var(--text-sm);
}

/* ---- Shop sidebar list ---- */
.disc-shop-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.disc-shop-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: inherit;
    transition: background var(--duration-fast) var(--ease-default);
}

.disc-shop-item:hover {
    background: var(--surface-secondary);
}

.disc-shop-item__image {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
    background: var(--surface-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.disc-shop-item__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.disc-shop-item__placeholder {
    color: var(--text-muted);
}

.disc-shop-item__info {
    flex: 1;
    min-width: 0;
}

.disc-shop-item__name {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.disc-shop-item__desc {
    font-size: var(--text-xs);
    color: var(--text-muted);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ---- Mobile promo area (fills viewport below short threads) ---- */
.disc-mobile-promo {
    display: none;
}

.disc-mobile-promo__section {
    padding: var(--space-4) 0;
    border-top: 1px solid var(--border-default);
}

.disc-mobile-promo__section:first-child {
    border-top: none;
}

.disc-mobile-promo__title {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 var(--space-3) 0;
}

.disc-mobile-promo__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
}

.disc-mobile-promo__scroll {
    display: flex;
    gap: var(--space-3);
    overflow-x: auto;
    padding-bottom: var(--space-2);
    -webkit-overflow-scrolling: touch;
}

/* ---- Promo card (used in mobile promo + sidebar) ---- */
.disc-promo-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--surface-secondary);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: inherit;
    min-width: 100px;
    flex-shrink: 0;
    transition: background var(--duration-fast) var(--ease-default),
                box-shadow var(--duration-fast) var(--ease-default);
}

.disc-promo-card:hover {
    background: var(--surface-tertiary);
    box-shadow: var(--shadow-sm);
}

.disc-promo-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--surface-primary);
    color: var(--accent-tertiary);
}

.disc-promo-card__image {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.disc-promo-card__image--round {
    border-radius: var(--radius-full);
}

.disc-promo-card__name {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-primary);
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.disc-promo-card__meta {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

/* ---- Mobile bottom join card ---- */
.disc-mobile-join {
    display: none;
}

/* ---- Responsive: mobile ---- */
@media (max-width: 768px) {
    .disc-layout,
    .disc-layout--sidebar-left {
        grid-template-columns: 1fr;
        padding: var(--space-4);
    }

    /* Hide desktop sidebar on mobile */
    .disc-sidebar {
        display: none;
    }

    .disc-layout--sidebar-left .disc-main {
        order: 0;
    }

    .disc-post {
        padding: var(--space-4);
    }

    .disc-replies {
        margin-left: var(--space-4);
        padding-left: var(--space-3);
    }

    /* Show mobile join card at bottom */
    .disc-mobile-join {
        display: block;
        padding: 0 var(--space-4) var(--space-6) var(--space-4);
        max-width: 1080px;
        margin: 0 auto;
    }

    /* Show mobile promo area */
    .disc-mobile-promo {
        display: block;
        margin-top: var(--space-6);
    }

    /* Topics dropdown: full width on mobile */
    .disc-topics__select {
        max-width: 100%;
        flex: 1;
    }
}

/* ─── Login-to-Comment CTA ─── */
.disc-login-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-3);
    padding: var(--space-8) var(--space-6);
    margin-top: var(--space-6);
    background: var(--surface-secondary);
    border: 1px dashed var(--border-default);
    border-radius: var(--radius-md);
}

.disc-login-cta--compact {
    padding: var(--space-6) var(--space-4);
    margin-top: var(--space-4);
}

.disc-login-cta__icon {
    color: var(--accent-primary);
    line-height: 1;
}

.disc-login-cta__text {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.disc-login-cta__btn {
    font-size: var(--text-base);
    gap: var(--space-2);
}

.disc-login-cta__sub {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin: 0;
}

.disc-login-cta__sub a {
    color: var(--accent-primary);
    text-decoration: underline;
    font-weight: 500;
}

.disc-login-cta__sub a:hover {
    color: var(--text-primary);
}

/* Join the Discussion CTA (prominent) */
.disc-join-cta {
    margin-top: var(--space-8);
    padding: var(--space-2);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--radius-lg);
}

.disc-join-cta__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-3);
    padding: var(--space-8) var(--space-6);
    background: var(--surface-primary);
    border-radius: var(--radius-md);
}

.disc-join-cta__icon {
    color: var(--accent-primary);
    line-height: 1;
}

.disc-join-cta__heading {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.disc-join-cta__text {
    font-size: var(--text-base);
    color: var(--text-secondary);
    margin: 0;
    max-width: 420px;
}

.disc-join-cta__btn {
    font-size: var(--text-base);
    gap: var(--space-2);
    margin-top: var(--space-2);
}

.disc-join-cta__sub {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin: 0;
}

.disc-join-cta__sub a {
    color: var(--accent-primary);
    text-decoration: underline;
    font-weight: 500;
}

.disc-join-cta__sub a:hover {
    color: var(--text-primary);
}

/* Disabled vote/interaction hints on public pages */
.disc-post__stat--disabled {
    opacity: 0.45;
    cursor: default;
}

.disc-comment__votes--disabled {
    opacity: 0.45;
    cursor: default;
}

.disc-login-hint {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    color: var(--text-muted);
    text-decoration: none;
    margin-left: auto;
    transition: color var(--duration-fast) var(--ease-default);
}

.disc-login-hint:hover {
    color: var(--accent-primary);
}