/**
 * Forum Base Styles
 *
 * Foundation styles shared across all forum pages: page layout, header
 * (builder pattern with accent underline), badges, avatars, metadata,
 * buttons, loading and empty states.
 *
 * Breadcrumbs use global .breadcrumb classes from theme-vars.css.
 * Container uses global .container class from theme-vars.css.
 *
 * @package PC_Kompas_Forum
 */

/* ============================================================================
   PAGE LAYOUT
   ============================================================================ */

.forum-main {
    padding: clamp(1.5rem, 4vw, 2.5rem) 0;
}

/* ============================================================================
   PAGE HEADER — Matches builder-header pattern
   ============================================================================ */

.forum-header {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: clamp(1rem, 2vw, 1.5rem);
    padding-bottom: clamp(1rem, 2vw, 1.25rem);
    margin-bottom: clamp(1.25rem, 2.5vw, 1.5rem);
    border-bottom: 2px solid var(--accent);
}

.forum-header__content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
    min-width: 0;
}

.forum-header__title {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4em;
    font-size: clamp(1.625rem, 3vw + 0.25rem, 2.25rem);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.forum-header__subtitle {
    font-size: clamp(0.9375rem, 1.5vw + 0.25rem, 1.0625rem);
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
    max-width: 700px;
}

.forum-header__icon {
    color: var(--accent);
    font-size: 1.5rem;
    line-height: 1;
}

.forum-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-shrink: 0;
}

.forum-header__meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.25rem 0.5rem;
    font-size: clamp(0.8125rem, 1vw + 0.2rem, 0.875rem);
    color: var(--text-muted);
}

.forum-header__meta-separator {
    color: var(--text-muted);
}

/* ============================================================================
   TYPOGRAPHY
   ============================================================================ */

.forum-main .container p,
.forum-main .container li {
    line-height: 1.65;
    color: var(--text-secondary);
}

/* ============================================================================
   BADGES
   ============================================================================ */

.forum-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3em;
    padding: 0.2em 0.6em;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.forum-badge--pinned {
    background: var(--warning-bg);
    color: var(--warning);
}

.forum-badge--solved {
    background: var(--success-bg);
    color: var(--success);
}

.forum-badge--closed {
    background: var(--error-bg);
    color: var(--error);
}

/* ============================================================================
   AVATARS
   ============================================================================ */

.forum-avatar {
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    background: var(--bg-tertiary);
}

.forum-avatar--sm {
    width: 32px;
    height: 32px;
}

.forum-avatar--md {
    width: 48px;
    height: 48px;
}

.forum-avatar--lg {
    width: 64px;
    height: 64px;
}

/* ============================================================================
   METADATA LINE
   ============================================================================ */

.forum-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-xs) var(--space-sm);
    font-size: clamp(0.75rem, 1vw + 0.2rem, 0.8125rem);
    color: var(--text-muted);
}

.forum-meta a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.15s ease;
}

.forum-meta a:hover {
    color: var(--accent);
}

/* ============================================================================
   BUTTONS
   ============================================================================ */

.forum-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4em;
    padding: clamp(0.5rem, 1vw, 0.625rem) clamp(0.875rem, 2vw, 1.25rem);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-size: clamp(0.8125rem, 1vw + 0.25rem, 0.875rem);
    font-weight: 600;
    line-height: 1.4;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.forum-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.forum-btn--primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

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

.forum-btn--secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border);
}

.forum-btn--secondary:hover {
    background: var(--bg-hover);
    border-color: var(--border-light);
}

/* Icon-only button (square) */
.forum-btn--icon {
    padding: clamp(0.5rem, 1vw, 0.625rem);
    min-width: unset;
}

.forum-btn--danger {
    background: transparent;
    color: var(--error);
    border-color: var(--error);
}

.forum-btn--danger:hover {
    background: var(--error-bg);
}

/* ============================================================================
   @MENTIONS
   ============================================================================ */

.forum-mention {
    color: var(--accent);
    font-weight: 500;
    text-decoration: none;
}

.forum-mention:hover {
    text-decoration: underline;
}

/* ============================================================================
   EMPTY STATE
   ============================================================================ */

/* Template uses .forum-empty (not .forum-empty-state) */
.forum-empty {
    text-align: center;
    padding: clamp(2rem, 5vw, 4rem) var(--space-md);
    color: var(--text-muted);
    font-size: clamp(0.875rem, 1vw + 0.3rem, 1rem);
    line-height: 1.6;
}

.forum-empty p {
    margin: 0 0 var(--space-md);
}

.forum-empty svg {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-md);
    opacity: 0.4;
}

/* ============================================================================
   FORUM HOME STATS
   ============================================================================ */

.forum-home__stats {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.25rem 0.5rem;
    margin-top: clamp(1.5rem, 3vw, 2rem);
    padding-top: clamp(1rem, 2vw, 1.5rem);
    border-top: 1px solid var(--border);
    font-size: clamp(0.8125rem, 1vw + 0.2rem, 0.875rem);
    color: var(--text-muted);
}

.forum-home__stats-separator {
    color: var(--text-muted);
}

/* ============================================================================
   LOADING SPINNER
   ============================================================================ */

.forum-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(2rem, 5vw, 3rem);
}

.forum-loading::after {
    content: '';
    width: 28px;
    height: 28px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: forum-spin 0.6s linear infinite;
}

@keyframes forum-spin {
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .forum-loading::after {
        animation: none;
        border-top-color: var(--accent);
        opacity: 0.6;
    }
}

/* ============================================================================
   PAGINATION
   ============================================================================ */

.forum-pagination {
    display: flex;
    justify-content: center;
    margin-top: clamp(1.5rem, 3vw, 2.5rem);
}

.forum-pagination__list {
    display: flex;
    align-items: center;
    gap: clamp(0.25rem, 0.5vw, 0.375rem);
    list-style: none;
    margin: 0;
    padding: 0;
}

.forum-pagination__item {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Base link style — square pill */
.forum-pagination__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: clamp(2rem, 3vw + 0.5rem, 2.5rem);
    height: clamp(2rem, 3vw + 0.5rem, 2.5rem);
    padding: 0 clamp(0.5rem, 1vw, 0.75rem);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: var(--font-display);
    font-size: clamp(0.8125rem, 1vw + 0.2rem, 0.875rem);
    font-weight: 500;
    text-decoration: none;
    line-height: 1;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.forum-pagination__link:hover {
    background: var(--bg-hover);
    border-color: var(--border-light);
    color: var(--text-primary);
}

.forum-pagination__link:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Current / active page */
.forum-pagination__link--current {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-primary);
    font-weight: 700;
    cursor: default;
}

/* Previous / Next links */
.forum-pagination__link--prev,
.forum-pagination__link--next {
    gap: 0.3em;
    padding: 0 clamp(0.625rem, 1.2vw, 0.875rem);
    font-weight: 600;
}

.forum-pagination__link--prev svg,
.forum-pagination__link--next svg {
    flex-shrink: 0;
}

/* Ellipsis dots */
.forum-pagination__ellipsis {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: clamp(1.5rem, 2vw, 2rem);
    height: clamp(2rem, 3vw + 0.5rem, 2.5rem);
    color: var(--text-muted);
    font-size: clamp(0.875rem, 1vw + 0.25rem, 1rem);
    letter-spacing: 0.1em;
    user-select: none;
}