/* ==========================================================
   EXHIBITIONS ARCHIVE & SINGLE PAGE
   ========================================================== */

/* --- Archive Triển lãm --- */
.ls-exhibition-archive-wrapper {
    padding: 140px 0 80px 0;
}

.ls-exhibition-archive-header {
    text-align: center;
    margin-bottom: 60px;
}

.ls-exhibition-archive-title {
    font-size: 3rem;
    color: var(--ls-text-primary);
    margin-bottom: 15px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.ls-exhibition-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 40px;
}

.ls-exhibition-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    color: var(--ls-text-primary);
    transition: 0.3s ease;
    display: flex;
    flex-direction: column;
}

.ls-exhibition-card:hover {
    border-color: var(--ls-accent);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.ls-exhibition-thumb {
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.ls-exhibition-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.5s ease;
}

.ls-exhibition-card:hover .ls-exhibition-thumb img {
    transform: scale(1.05);
}

.ls-placeholder-exhibition {
    width: 100%;
    height: 100%;
    background: #222;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
}

.ls-exhibition-info {
    padding: 25px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.ls-exhibition-meta {
    font-size: 0.85rem;
    color: var(--ls-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
    display: flex;
    gap: 10px;
    align-items: center;
}

.ls-exhibition-meta span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.ls-exhibition-card-title {
    font-size: 1.4rem;
    margin-bottom: 15px;
    line-height: 1.4;
}

.ls-exhibition-excerpt {
    font-size: 0.95rem;
    color: var(--ls-text-secondary);
    margin-bottom: 25px;
    line-height: 1.6;
    flex-grow: 1;
}

.ls-exhibition-btn-more {
    align-self: flex-start;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    color: #fff;
    border-bottom: 1px solid var(--ls-accent);
    padding-bottom: 4px;
    transition: 0.3s;
}

.ls-exhibition-card:hover .ls-exhibition-btn-more {
    color: var(--ls-accent);
}

/* --- Single Triển lãm --- */
.ls-single-exhibition-wrapper {
    padding-top: 0; /* Hero takes over */
}

.ls-single-exhibition-hero {
    position: relative;
    width: 100%;
    height: 60vh;
    min-height: 400px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-end;
}

.ls-single-exhibition-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(to top, rgba(15, 15, 15, 1) 0%, rgba(15, 15, 15, 0.4) 50%, rgba(15, 15, 15, 0.1) 100%);
}

.ls-single-exhibition-hero-content {
    position: relative;
    z-index: 2;
    padding-bottom: 60px;
    width: 100%;
}

.ls-single-exhibition-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.ls-single-exhibition-meta {
    display: flex;
    gap: 20px;
    font-size: 1.1rem;
    color: var(--ls-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.ls-exhibition-content-section {
    padding: 60px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.ls-exhibition-statement {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--ls-text-secondary);
    max-width: 800px;
    margin: 0 auto;
    text-align: justify;
}

.ls-exhibition-statement p {
    margin-bottom: 20px;
}

.ls-exhibition-actions {
    text-align: center;
    margin-top: 40px;
}

.ls-exhibition-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.ls-exhibition-gallery-item {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
}

.ls-exhibition-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.4s ease;
}

.ls-exhibition-gallery-item:hover img {
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .ls-single-exhibition-title {
        font-size: 2.5rem;
    }
    .ls-exhibition-grid {
        grid-template-columns: 1fr;
    }
    .ls-single-exhibition-hero {
        height: 50vh;
    }
}