.forum-page {
    background: var(--bg);
}

.forum-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
    position: relative;
    overflow: hidden;
}

.forum-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--green), var(--accent));
    opacity: 0.8;
}

.forum-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.forum-header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.forum-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    text-decoration: none;
    color: var(--text);
    min-width: 0;
}

.forum-logo img {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    flex-shrink: 0;
}

.forum-logo span {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.forum-primary-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.forum-primary-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.3rem 0.5rem;
    border-radius: 6px;
    transition: var(--transition);
}

.forum-primary-nav a:hover,
.forum-primary-nav a.active {
    color: var(--accent);
    background: var(--accent-glow);
}

.forum-header-right {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    flex-wrap: wrap;
}

.forum-user-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.forum-link {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.3rem 0.5rem;
    border-radius: 6px;
    transition: var(--transition);
}

.forum-link:hover {
    background: var(--accent-glow);
}

.forum-shell {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
    width: 100%;
}

.forum-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.9rem;
}

.forum-tools {
    margin-bottom: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.forum-search-form {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    flex-wrap: wrap;
}

.forum-search-form input[type="text"] {
    min-width: 240px;
    flex: 1;
    border: 1.5px solid var(--border);
    border-radius: 6px;
    padding: 0.5rem 0.62rem;
    font-size: 0.88rem;
    color: var(--text);
    background: var(--bg-card);
    transition: var(--transition);
}

.forum-search-form input[type="text"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.category-bar {
    display: flex;
    align-items: center;
    gap: 0.48rem;
    flex-wrap: wrap;
}

.category-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.42rem;
    text-decoration: none;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.25rem 0.56rem;
    background: var(--bg-card);
    font-size: 0.78rem;
    transition: var(--transition);
}

.category-chip strong {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text);
}

.category-chip.active,
.category-chip:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-glow);
}

.forum-actions {
    display: flex;
    align-items: center;
}

.forum-tabs {
    display: flex;
    gap: 0.45rem;
    flex-wrap: wrap;
}

.forum-tabs a {
    text-decoration: none;
    color: var(--text-muted);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.4rem 0.62rem;
    font-size: 0.82rem;
    font-family: var(--font-mono);
    transition: var(--transition);
}

.forum-tabs a.active,
.forum-tabs a:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-glow);
}

.forum-btn-primary,
.forum-btn-muted {
    display: inline-block;
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.86rem;
    font-weight: 600;
    padding: 0.52rem 0.86rem;
    cursor: pointer;
    transition: var(--transition);
}

.forum-btn-primary {
    border: none;
    color: #fff;
    background: var(--accent);
}

.forum-btn-primary:hover {
    background: var(--accent-dim);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(3, 105, 161, 0.3);
}

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

.forum-btn-muted:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

.forum-btn-muted.active {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

.forum-btn-danger {
    display: inline-block;
    border: 1px solid rgba(220, 38, 38, 0.45);
    color: var(--red);
    background: rgba(220, 38, 38, 0.08);
    border-radius: 6px;
    font-size: 0.86rem;
    font-weight: 600;
    padding: 0.52rem 0.86rem;
    cursor: pointer;
    transition: var(--transition);
}

.forum-btn-danger:hover {
    background: rgba(220, 38, 38, 0.15);
}

.forum-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 1rem;
    align-items: start;
}

.topic-stream,
.side-card,
.topic-post-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.topic-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 90px 90px 110px;
    padding: 0.7rem 0.92rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-family: var(--font-mono);
}

.topic-col-mini {
    text-align: center;
}

.topic-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.topic-result {
    color: var(--text-muted);
    font-size: 0.78rem;
}

.topic-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.58rem 0.92rem;
    border-top: 1px solid var(--border);
    background: var(--bg-card);
}

.page-size-form {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.page-size-form select {
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-elevated);
    color: var(--text);
    font-size: 0.82rem;
    line-height: 1.2;
    padding: 0.26rem 0.42rem;
    cursor: pointer;
}

.page-size-form select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.topic-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 90px 90px 110px;
    align-items: center;
    min-height: 74px;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
    padding: 0 0.92rem;
}

.topic-row:last-child {
    border-bottom: none;
}

.topic-row:hover {
    background: var(--bg-elevated);
}

.topic-main {
    display: flex;
    align-items: center;
    gap: 0.68rem;
    min-width: 0;
    padding: 0.68rem 0;
}

.topic-avatar {
    width: 34px;
    height: 34px;
    border-radius: 999px;
    background: var(--accent-glow);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 700;
    flex-shrink: 0;
}

.topic-content {
    min-width: 0;
}

.topic-title {
    display: block;
    color: var(--text);
    text-decoration: none;
    font-size: 0.96rem;
    font-weight: 600;
    line-height: 1.35;
    margin-bottom: 0.26rem;
    word-break: break-word;
}

.topic-title:hover {
    color: var(--accent);
}

.topic-meta {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    flex-wrap: wrap;
    color: var(--text-muted);
    font-size: 0.76rem;
}

.topic-category {
    display: inline-block;
    border-radius: 999px;
    background: var(--accent-glow);
    color: var(--accent);
    border: 1px solid rgba(3, 105, 161, 0.2);
    padding: 0.1rem 0.42rem;
    font-size: 0.7rem;
    font-weight: 600;
    line-height: 1.45;
}

.topic-flag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 0.08rem 0.45rem;
    font-size: 0.68rem;
    font-weight: 700;
    line-height: 1.5;
    margin-right: 0.25rem;
    border: 1px solid transparent;
}

.topic-flag.flag-pinned {
    color: var(--accent);
    border-color: rgba(3, 105, 161, 0.28);
    background: rgba(3, 105, 161, 0.08);
}

.topic-flag.flag-featured {
    color: #b45309;
    border-color: rgba(180, 83, 9, 0.35);
    background: rgba(245, 158, 11, 0.12);
}

.topic-flag.flag-locked {
    color: var(--red);
    border-color: rgba(220, 38, 38, 0.35);
    background: rgba(220, 38, 38, 0.08);
}

.topic-stat {
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-muted);
    padding: 0 0.2rem;
}

.topic-activity {
    color: var(--accent);
}

.topic-empty {
    padding: 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.forum-pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0.78rem 0.92rem;
    border-top: 1px solid var(--border);
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 30px;
    padding: 0 0.55rem;
    text-decoration: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-muted);
    background: var(--bg-card);
    font-size: 0.8rem;
    transition: var(--transition);
}

.page-link:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-glow);
}

.page-link.active {
    color: #fff;
    border-color: var(--accent);
    background: var(--accent);
}

.page-link.disabled {
    color: var(--text-muted);
    opacity: 0.5;
}

.forum-sidebar {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.side-card {
    padding: 0.8rem 0.82rem;
}

.side-card h3 {
    margin: 0 0 0.65rem 0;
    font-size: 0.83rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.side-stats {
    display: grid;
    gap: 0.46rem;
}

.side-stats > div {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: 7px;
    padding: 0.45rem 0.55rem;
    background: var(--bg);
}

.side-stats span {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.side-stats strong {
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.side-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.side-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px dashed var(--border);
    padding: 0.36rem 0;
    gap: 0.4rem;
}

.side-list li:last-child {
    border-bottom: none;
}

.side-list span {
    color: var(--text);
    font-size: 0.82rem;
}

.side-list strong {
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-size: 0.8rem;
}

.side-empty {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.82rem;
}

.topic-post-card {
    padding: 0.96rem 1.02rem;
    margin-bottom: 0.82rem;
}

.topic-post-card h1 {
    margin: 0.26rem 0 0.55rem;
    font-size: 1.22rem;
    line-height: 1.35;
}

.topic-post-card h2 {
    margin: 0 0 0.65rem;
    font-size: 1rem;
}

.topic-post-head {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 0.62rem;
    color: var(--text-muted);
    font-size: 0.78rem;
}

.topic-post-author {
    color: var(--text-muted);
    font-size: 0.82rem;
    margin-bottom: 0.74rem;
}

.topic-action-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.72rem;
}

.topic-post-content {
    white-space: normal;
    color: var(--text);
    line-height: 1.66;
    font-size: 0.95rem;
}

.comment-form .form-group,
.post-form .form-group {
    margin-bottom: 0.76rem;
}

.comment-form label,
.post-form label {
    display: block;
    margin-bottom: 0.3rem;
    color: var(--text-muted);
    font-size: 0.82rem;
}

.form-help {
    display: block;
    margin-top: 0.35rem;
    color: var(--text-muted);
    font-size: 0.76rem;
}

.comment-form textarea,
.post-form input,
.post-form textarea,
.post-form select {
    width: 100%;
    border: 1.5px solid var(--border);
    border-radius: 7px;
    padding: 0.56rem 0.62rem;
    font-size: 0.92rem;
    color: var(--text);
    background: var(--bg-card);
    transition: var(--transition);
}

.comment-form textarea:focus,
.post-form input:focus,
.post-form textarea:focus,
.post-form select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.post-form textarea,
.comment-form textarea {
    min-height: 120px;
    resize: vertical;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem;
}

.comment-stream {
    list-style: none;
    margin: 0.82rem 0 0;
    padding: 0;
}

.comment-row {
    display: flex;
    gap: 0.68rem;
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--border);
}

.comment-row:last-child {
    border-bottom: none;
}

.comment-avatar {
    width: 30px;
    height: 30px;
    border-radius: 999px;
    background: var(--accent-glow);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.76rem;
    font-family: var(--font-mono);
    font-weight: 700;
    flex-shrink: 0;
}

.comment-body {
    min-width: 0;
}

.comment-head {
    display: flex;
    gap: 0.7rem;
    flex-wrap: wrap;
    color: var(--text-muted);
    font-size: 0.76rem;
}

.comment-author {
    color: var(--text);
    font-weight: 600;
}

.comment-content {
    white-space: normal;
    margin-top: 0.32rem;
    color: var(--text);
    line-height: 1.58;
    font-size: 0.9rem;
}

.md-content p {
    margin: 0 0 0.7rem;
}

.md-content p:last-child {
    margin-bottom: 0;
}

.md-content ul,
.md-content ol {
    margin: 0.25rem 0 0.75rem 1.25rem;
    padding: 0;
}

.md-content li + li {
    margin-top: 0.22rem;
}

.md-content blockquote {
    margin: 0.75rem 0;
    padding: 0.45rem 0.8rem;
    border-left: 3px solid var(--accent);
    background: var(--accent-glow);
    color: var(--text-muted);
}

.md-content a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.md-content pre {
    margin: 0.75rem 0;
    padding: 0.72rem 0.82rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #0f172a;
    color: #e2e8f0;
    overflow-x: auto;
    white-space: pre;
    line-height: 1.45;
}

.md-content code {
    font-family: var(--font-mono);
    font-size: 0.86em;
    background: rgba(2, 132, 199, 0.12);
    border: 1px solid rgba(2, 132, 199, 0.18);
    border-radius: 5px;
    padding: 0.08rem 0.32rem;
}

.md-content pre code {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    color: inherit;
}

.comment-actions {
    margin-top: 0.44rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.comment-actions a,
.btn-link-delete {
    color: var(--accent);
    text-decoration: none;
    border: none;
    background: none;
    padding: 0;
    margin: 0;
    font-size: 0.78rem;
    cursor: pointer;
}

.btn-link-delete {
    color: var(--red);
}

.report-form-inline {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.report-form-inline select {
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-card);
    color: var(--text);
    font-size: 0.78rem;
    padding: 0.28rem 0.36rem;
}

.post-editor-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 1rem;
    align-items: start;
}

.post-editor {
    margin-bottom: 0;
}

.editor-subtitle {
    margin: 0 0 0.86rem;
    color: var(--text-muted);
    font-size: 0.86rem;
}

.post-helper {
    position: sticky;
    top: 82px;
}

.helper-list {
    margin: 0;
    padding-left: 1rem;
    color: var(--text-muted);
    font-size: 0.82rem;
    line-height: 1.65;
}

.auth-panel {
    max-width: 520px;
    margin: 1.5rem auto;
}

.profile-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 1rem;
    align-items: start;
}

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

.profile-summary {
    margin-bottom: 0.85rem;
}

.profile-stat-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
}

.profile-stat-grid > div {
    border: 1px solid var(--border);
    border-radius: 7px;
    background: var(--bg);
    padding: 0.5rem 0.55rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.profile-stat-grid span {
    color: var(--text-muted);
    font-size: 0.82rem;
}

.profile-stat-grid strong {
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.profile-tabs {
    margin-bottom: 0.8rem;
}

.profile-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.profile-row {
    display: flex;
    justify-content: space-between;
    gap: 0.8rem;
    padding: 0.72rem 0;
    border-bottom: 1px solid var(--border);
}

.profile-row:last-child {
    border-bottom: none;
}

.profile-row-main {
    min-width: 0;
}

.profile-row-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.profile-row-actions form {
    margin: 0;
}

.profile-row-actions a {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.8rem;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem;
}

.settings-grid form {
    border: 1px solid var(--border);
    border-radius: 9px;
    padding: 0.75rem 0.8rem;
    background: var(--bg-card);
}

.settings-grid h3 {
    margin: 0 0 0.65rem 0;
    font-size: 0.95rem;
}

.notification-topline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-bottom: 0.7rem;
}

.notification-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.notification-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 0.72rem 0;
    border-bottom: 1px solid var(--border);
}

.notification-row:last-child {
    border-bottom: none;
}

.notification-row.unread {
    background: rgba(3, 105, 161, 0.03);
    border-radius: 8px;
    padding-left: 0.55rem;
    padding-right: 0.55rem;
}

.notification-body {
    min-width: 0;
}

.notification-head {
    display: flex;
    align-items: center;
    gap: 0.42rem;
    flex-wrap: wrap;
    color: var(--text-muted);
    font-size: 0.76rem;
    margin-bottom: 0.3rem;
}

.notification-message {
    color: var(--text);
    line-height: 1.58;
    font-size: 0.9rem;
    word-break: break-word;
}

.notification-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.notification-actions form {
    margin: 0;
}

.forum-primary-nav .nav-link-with-badge,
.forum-header-right .nav-link-with-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.form-error {
    margin: 0 0 0.72rem 0;
    color: var(--red);
    font-size: 0.84rem;
}

.form-success {
    margin: 0 0 0.72rem 0;
    color: var(--green);
    font-size: 0.84rem;
}

@media (max-width: 980px) {
    .forum-layout,
    .post-editor-layout,
    .profile-layout {
        grid-template-columns: 1fr;
    }

    .post-helper {
        position: static;
    }

    .forum-sidebar {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.7rem;
    }

    .forum-search-form input[type="text"] {
        min-width: 180px;
    }
}

@media (max-width: 768px) {
    .forum-header {
        padding: 1.5rem 1rem;
    }

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

    .forum-header-left {
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
    }

    .forum-header-right {
        width: 100%;
        justify-content: flex-start;
    }

    .forum-logo img {
        width: 30px;
        height: 30px;
    }

    .forum-logo span {
        font-size: 0.96rem;
    }

    .forum-shell {
        padding: 1.5rem 1rem;
    }

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

    .forum-actions {
        justify-content: flex-start;
    }

    .forum-search-form {
        align-items: stretch;
    }

    .forum-search-form input[type="text"] {
        min-width: 0;
        width: 100%;
    }

    .topic-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .topic-head {
        grid-template-columns: minmax(0, 1fr) 64px 64px;
    }

    .topic-head .topic-col-mini:last-child {
        display: none;
    }

    .topic-row {
        grid-template-columns: minmax(0, 1fr) 64px 64px;
    }

    .topic-row .topic-activity {
        display: none;
    }

    .forum-sidebar {
        grid-template-columns: 1fr;
    }

    .profile-stat-grid,
    .settings-grid {
        grid-template-columns: 1fr;
    }

    .profile-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .profile-row-actions {
        gap: 0.65rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
    }
}