/**
 * ICSD Theme — Blog / Posts
 * ---------------------------------------------------------------
 * کارت‌های نوشته با قاب تصویر ثابت. هر تصویر شاخصی با هر ابعادی
 * (عمودی، پانوراما، مربع یا اصلاً بدون تصویر) در شبکهٔ یکسان
 * نمایش داده می‌شود.
 *
 * فضای‌نام: .icsd-post-*  (کلاس‌های قدیمی .icsd-blog-* دست‌نخورده‌اند)
 *
 * @package ICSD
 * @since   1.5.0
 */

/* ===============================================================
   سربرگ بخش با دکمهٔ کناری
   =============================================================== */
.icsd-posts-section {
    background: linear-gradient(180deg, transparent, var(--icsd-primary-soft), transparent);
}

.icsd-section-head--row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.icsd-section-head--row .icsd-section-head {
    text-align: right;
    margin-bottom: 0;
}
.icsd-section-head--row .icsd-section-sub { margin: 0; }

/* ===============================================================
   کارت پایه
   =============================================================== */
.icsd-post-card {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--icsd-surface);
    border: 1px solid var(--icsd-border);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--icsd-shadow-sm);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.3s, border-color 0.3s;
}
.icsd-post-card:hover {
    transform: translateY(-5px);
    border-color: var(--icsd-primary-border);
    box-shadow: var(--icsd-shadow-lg);
}

/* --- قاب تصویر: کلید نظم شبکه --- */
.icsd-post-card__thumb {
    position: relative;
    display: block;
    aspect-ratio: 16 / 10;
    background: var(--icsd-surface-2);
    overflow: hidden;
}
.icsd-post-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}
.icsd-post-card:hover .icsd-post-card__thumb img { transform: scale(1.05); }

/* پشتیبان برای مرورگرهای قدیمی بدون aspect-ratio */
@supports not (aspect-ratio: 16 / 10) {
    .icsd-post-card__thumb { height: 0; padding-bottom: 62.5%; }
    .icsd-post-card__thumb img { position: absolute; inset: 0; }
}

/* --- جانشین نوشته‌های بدون تصویر شاخص --- */
.icsd-post-card__thumb.is-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at 30% 25%, var(--icsd-primary-soft), transparent 62%),
        linear-gradient(135deg, rgba(var(--icsd-primary-rgb), 0.10), var(--icsd-surface-2));
}
.icsd-post-card__thumb.is-placeholder span {
    font-family: 'JetBrains Mono', 'Vazirmatn', monospace;
    font-size: 38px;
    font-weight: 700;
    color: var(--icsd-primary);
    opacity: 0.5;
    direction: ltr;
}

/* --- برچسب دسته روی تصویر --- */
.icsd-post-card__cat {
    position: absolute;
    top: 12px;
    inset-inline-start: 12px;
    z-index: 2;
    font-size: 11px;
    font-weight: 600;
    line-height: 1.6;
    padding: 4px 11px;
    border-radius: 100px;
    color: var(--icsd-primary);
    background: var(--icsd-bg-elev);
    border: 1px solid var(--icsd-primary-border);
    box-shadow: var(--icsd-shadow-sm);
}

/* --- بدنه --- */
.icsd-post-card__body {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 10px;
    padding: 20px;
}

.icsd-post-card__meta {
    display: flex;
    align-items: center;
    gap: 9px;
    font-family: 'JetBrains Mono', 'Vazirmatn', monospace;
    font-size: 11px;
    color: var(--icsd-text-muted);
}
.icsd-post-card__meta .sep {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: currentColor;
    display: inline-block;
    opacity: 0.6;
}

/* ★ عنوان همیشه دو خط جا می‌گیرد تا کارت‌ها هم‌تراز بمانند */
.icsd-post-card__title {
    font-size: 17.5px;
    font-weight: 700;
    line-height: 1.55;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: calc(2 * 1.55em);
}
.icsd-post-card__title a { color: var(--icsd-text); transition: color 0.2s; }
.icsd-post-card:hover .icsd-post-card__title a { color: var(--icsd-primary); }

.icsd-post-card__excerpt {
    font-size: 13.5px;
    line-height: 1.85;
    color: var(--icsd-text-muted);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.icsd-post-card__foot {
    margin-top: auto;               /* ★ فوتر همهٔ کارت‌ها هم‌تراز می‌چسبد پایین */
    padding-top: 12px;
    border-top: 1px solid var(--icsd-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}
.icsd-post-card__more {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--icsd-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.icsd-post-card__more svg { transition: transform 0.25s; }
.icsd-post-card:hover .icsd-post-card__more svg { transform: translateX(-4px); }
.icsd-post-card__read {
    font-family: 'JetBrains Mono', 'Vazirmatn', monospace;
    font-size: 11px;
    color: var(--icsd-text-muted);
    white-space: nowrap;
}

/* ===============================================================
   چیدمان A — شبکهٔ یکنواخت (آرشیو و صفحهٔ وبلاگ)
   =============================================================== */
.icsd-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

/* ===============================================================
   چیدمان B — شاخص بزرگ + لیست (صفحهٔ اصلی)
   =============================================================== */
.icsd-posts-featured {
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    gap: 26px;
    align-items: start;
}

/* وقتی فقط یک نوشته منتشر شده، شاخص تمام عرض می‌شود */
.icsd-posts-featured--solo { grid-template-columns: 1fr; }

.icsd-post-card--featured .icsd-post-card__thumb { aspect-ratio: 16 / 9; }
@supports not (aspect-ratio: 16 / 9) {
    .icsd-post-card--featured .icsd-post-card__thumb { padding-bottom: 56.25%; }
}
.icsd-post-card--featured .icsd-post-card__body { padding: 26px; gap: 12px; }
.icsd-post-card--featured .icsd-post-card__title {
    font-size: 24px;
    line-height: 1.5;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    min-height: 0;
}
.icsd-post-card--featured .icsd-post-card__excerpt {
    font-size: 14.5px;
    -webkit-line-clamp: 4;
    line-clamp: 4;
}

/* --- لیست کناری --- */
.icsd-post-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.icsd-post-item {
    display: grid;
    grid-template-columns: 112px 1fr;
    gap: 14px;
    align-items: center;
    padding: 12px;
    background: var(--icsd-surface);
    border: 1px solid var(--icsd-border);
    border-radius: 14px;
    transition: background 0.25s, border-color 0.25s, transform 0.25s;
}
.icsd-post-item:hover {
    border-color: var(--icsd-primary-border);
    background: var(--icsd-primary-soft);
    transform: translateX(-3px);
}
.icsd-post-item__thumb {
    display: block;
    aspect-ratio: 4 / 3;
    border-radius: 10px;
    overflow: hidden;
    background: var(--icsd-surface-2);
}
@supports not (aspect-ratio: 4 / 3) {
    .icsd-post-item__thumb { height: 0; padding-bottom: 75%; position: relative; }
    .icsd-post-item__thumb img { position: absolute; inset: 0; }
}
.icsd-post-item__thumb img { width: 100%; height: 100%; object-fit: cover; }
.icsd-post-item__thumb.is-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(var(--icsd-primary-rgb), 0.12), var(--icsd-surface-2));
}
.icsd-post-item__thumb.is-placeholder span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 20px;
    font-weight: 700;
    color: var(--icsd-primary);
    opacity: 0.55;
    direction: ltr;
}
.icsd-post-item__title {
    font-size: 14.5px;
    font-weight: 700;
    line-height: 1.6;
    margin: 0 0 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.icsd-post-item__title a { color: var(--icsd-text); transition: color 0.2s; }
.icsd-post-item:hover .icsd-post-item__title a { color: var(--icsd-primary); }
.icsd-post-item__body { min-width: 0; }

/* ===============================================================
   واکنش‌گرایی
   =============================================================== */
@media (max-width: 991px) {
    .icsd-posts-featured { grid-template-columns: 1fr; }
    .icsd-post-card--featured .icsd-post-card__title { font-size: 21px; }
}
@media (max-width: 575px) {
    .icsd-section-head--row { flex-direction: column; align-items: stretch; }
    .icsd-section-head--row .icsd-section-head { text-align: center; }
    .icsd-section-head--row > .icsd-btn { align-self: center; }
    .icsd-posts-grid { grid-template-columns: 1fr; }
    .icsd-post-item { grid-template-columns: 88px 1fr; gap: 12px; }
    .icsd-post-card__body { padding: 18px; }
    .icsd-post-card--featured .icsd-post-card__body { padding: 20px; }
}