.modules-hero {
    background: linear-gradient(120deg, rgba(6, 22, 44, 0.92), rgba(16, 80, 140, 0.25)),
        url("../../uploads/images/practice-background.svg") center/cover no-repeat;
    position: relative;
    overflow: hidden;
}

.modules-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(2, 6, 23, 0.6), rgba(2, 6, 23, 0.15));
    pointer-events: none;
}

.modules-hero .hero-grid {
    position: relative;
    z-index: 1;
}

.modules-page {
    width: min(1150px, 92%);
    margin: 0 auto;
    display: grid;
    gap: var(--space-7);
    padding: clamp(24px, 4vw, 40px) 0 var(--space-8);
}

.modules-panel {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: clamp(24px, 3.5vw, 36px);
    display: grid;
    gap: var(--space-5);
    box-shadow: var(--shadow-sm);
}

.modules-panel .section-title {
    display: grid;
    gap: var(--space-2);
}

.modules-panel .section-title p {
    color: var(--text-muted);
}

.modules-grid {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.modules-upload-card,
.forum-card {
    background: var(--color-surface-muted);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    display: grid;
    gap: var(--space-4);
    box-shadow: var(--shadow-sm);
}

.modules-upload-form,
.forum-form {
    display: grid;
    gap: var(--space-4);
}

.modules-feedback {
    min-height: 1.5rem;
    color: var(--text-muted);
}

.modules-feedback.is-error {
    color: #dc2626;
}

.modules-list,
.forum-list {
    display: grid;
    gap: var(--space-4);
}

.module-card,
.forum-post {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    display: grid;
    gap: var(--space-3);
    box-shadow: var(--shadow-sm);
}

.module-card__meta,
.forum-post__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.forum-post__meta {
    align-items: center;
}

.forum-post__date,
.forum-comment__date {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.module-card__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.module-card__link {
    font-weight: 600;
}

.forum-post__body {
    line-height: 1.7;
    color: var(--text-muted);
    white-space: pre-wrap;
}

.forum-shell {
    display: grid;
    grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
    gap: var(--space-6);
    align-items: start;
}

.forum-sidebar {
    display: grid;
    gap: var(--space-4);
    position: sticky;
    top: 120px;
    align-self: start;
}

.forum-compose__header {
    display: grid;
    gap: 6px;
}

.forum-compose__header p {
    color: var(--text-muted);
    margin: 0;
}

.forum-guidelines ul {
    list-style: none;
    display: grid;
    gap: 8px;
    margin: 0;
    padding: 0;
    color: var(--text-muted);
}

.forum-guidelines li::before {
    content: "•";
    margin-right: 8px;
    color: var(--accent);
}

.forum-feed {
    display: grid;
    gap: var(--space-4);
}

.forum-feed__toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--card-border);
    background: var(--color-surface-muted);
}

.forum-tabs {
    display: inline-flex;
    gap: 8px;
    flex-wrap: wrap;
}

.forum-tab {
    border: 1px solid var(--card-border);
    background: transparent;
    color: var(--text-dark);
    padding: 6px 14px;
    border-radius: 999px;
    font-weight: 600;
    cursor: pointer;
}

.forum-tab.is-active {
    background: var(--color-primary);
    border-color: transparent;
    color: #fff;
}

.forum-search {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    color: var(--text-muted);
}

.forum-search__input {
    border: none;
    background: transparent;
    color: inherit;
    font-size: 0.85rem;
}

.forum-search__input:focus {
    outline: none;
}

.forum-search__icon {
    font-size: 0.9rem;
}

.forum-compose-btn {
    white-space: nowrap;
}

.forum-post {
    position: relative;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.forum-post::before {
    content: "";
    position: absolute;
    top: 16px;
    bottom: 16px;
    left: 0;
    width: 4px;
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(59, 130, 246, 0.6), rgba(59, 130, 246, 0.15));
}

.forum-post:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.forum-actions {
    display: flex;
    gap: var(--space-3);
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.forum-actions__group {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.forum-toggle {
    font-weight: 600;
}

.forum-like {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 999px;
    padding: 6px 12px;
    border: 1px solid rgba(59, 130, 246, 0.3);
    background: rgba(59, 130, 246, 0.08);
    color: var(--text-dark);
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}

.forum-like:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.forum-like.is-active {
    background: rgba(220, 38, 38, 0.15);
    border-color: rgba(220, 38, 38, 0.5);
    color: #dc2626;
}

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

.forum-like__icon img {
    width: 16px;
    height: 16px;
    display: block;
}

.forum-like__count {
    font-size: 0.85rem;
}

.forum-comments {
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px dashed rgba(148, 163, 184, 0.35);
    display: grid;
    gap: var(--space-3);
}

.forum-comment {
    background: var(--color-surface-muted);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    border: 1px solid var(--card-border);
    display: grid;
    gap: 0.35rem;
}

.forum-comment__meta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.forum-comment__body {
    line-height: 1.6;
}

.forum-comment__actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.forum-comment__delete {
    padding: 6px 12px;
    font-size: 0.75rem;
}

.forum-empty {
    color: var(--text-muted);
    font-style: italic;
}

.forum-actions {
    display: flex;
    gap: var(--space-3);
    align-items: center;
    flex-wrap: wrap;
}

.forum-toggle {
    font-weight: 600;
}

.forum-comment-form {
    display: grid;
    gap: var(--space-3);
}

.forum-comment-form textarea {
    resize: vertical;
}

@media (max-width: 980px) {
    .forum-shell {
        grid-template-columns: 1fr;
    }

    .forum-sidebar {
        position: static;
    }
}

@media (max-width: 720px) {
    .forum-feed__toolbar {
        align-items: stretch;
    }

    .forum-search {
        width: 100%;
    }
}