.forum-topbar {
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
}

.forum-topbar-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0.85rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.forum-brand {
    color: var(--text);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
}

.forum-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.8rem;
}

.forum-nav a {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.9rem;
}

.forum-nav a.active {
    font-weight: 700;
}

.forum-nav .forum-user {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.forum-main {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.25rem;
}

.forum-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1rem 1.1rem;
    margin-bottom: 1rem;
}

.forum-section h1 {
    margin-top: 0;
    margin-bottom: 0.8rem;
    font-size: 1.25rem;
}

.forum-section h2 {
    margin-top: 0;
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

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

.post-list,
.comment-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.post-item,
.comment-item {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem 0.9rem;
    margin-bottom: 0.7rem;
    background: var(--bg);
}

.post-title {
    color: var(--text);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
}

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

.post-meta,
.comment-meta {
    margin-top: 0.45rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.post-content,
.comment-content {
    white-space: pre-wrap;
    margin-top: 0.8rem;
    color: var(--text);
}

.forum-btn {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    border: none;
    text-decoration: none;
    border-radius: 6px;
    padding: 0.5rem 0.9rem;
    font-size: 0.9rem;
    cursor: pointer;
}

.forum-btn:hover {
    background: var(--accent-dim);
}

.forum-btn-ghost {
    background: var(--bg-elevated);
    color: var(--text);
}

.forum-btn-ghost:hover {
    background: var(--border);
}

.auth-card {
    max-width: 420px;
    margin: 1.8rem auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.1rem 1.2rem;
}

.auth-card h1 {
    margin-top: 0;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.auth-form .form-group,
.post-form .form-group,
.comment-form .form-group {
    margin-bottom: 0.85rem;
}

.auth-form label,
.post-form label,
.comment-form label {
    display: block;
    margin-bottom: 0.3rem;
    color: var(--text-muted);
    font-size: 0.86rem;
}

.auth-form input,
.post-form input,
.post-form textarea,
.comment-form textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.55rem 0.65rem;
    font-size: 0.94rem;
    background: var(--bg);
    color: var(--text);
}

.auth-form input:focus,
.post-form input:focus,
.post-form textarea:focus,
.comment-form textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.auth-form button,
.post-form button {
    width: 100%;
}

.form-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.form-error {
    color: var(--red);
    font-size: 0.88rem;
    margin: 0 0 0.8rem 0;
}

.form-success {
    color: var(--green);
    font-size: 0.88rem;
    margin: 0 0 0.8rem 0;
}

.forum-empty {
    color: var(--text-muted);
    margin: 0.6rem 0;
}

.auth-switch {
    margin-top: 0.9rem;
    color: var(--text-muted);
    font-size: 0.88rem;
}

.auth-switch a {
    color: var(--accent);
}