/* Trang chọn mẫu xem thử */
.preview-page {
    padding: 48px 0 80px;
    background: #faf8f5;
    min-height: 60vh;
}

.preview-page .section-head {
    margin-bottom: 40px;
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    max-width: 1000px;
    margin: 0 auto;
}

.preview-card {
    background: #fff;
    border: 1px solid #e8e0d6;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(60, 40, 20, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.preview-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(60, 40, 20, 0.1);
}

.preview-card__thumb {
    aspect-ratio: 9/16;
    max-height: 320px;
    overflow: hidden;
    position: relative;
}

.preview-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.preview-card__badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(255, 255, 255, 0.92);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.preview-card__body {
    padding: 20px;
}

.preview-card__body h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.35rem;
    margin-bottom: 6px;
    color: #2c1810;
}

.preview-card__body p {
    font-size: 0.85rem;
    color: #7a6a5a;
    line-height: 1.6;
    margin-bottom: 16px;
}

.preview-card__btn {
    display: inline-block;
    padding: 10px 20px;
    background: #2c1810;
    color: #fff;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    border-radius: 4px;
    transition: background 0.25s;
}

.preview-card__btn:hover {
    background: #5c3d2e;
    color: #fff;
}

.preview-card--golden .preview-card__badge { color: #8b6914; }
.preview-card--seal .preview-card__badge { color: #6b1c2e; }
.preview-card--elegant .preview-card__badge { color: #1e3a5f; }

/* Thanh trên thiệp khi xem thử */
.template-preview-bar {
    position: sticky;
    top: 0;
    z-index: 400;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px 16px;
    padding: 10px 16px;
    background: linear-gradient(90deg, #2c1810, #4a3020);
    color: #f5ebe0;
    font-size: 0.75rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.template-preview-bar__text strong {
    color: #fff;
}

.template-preview-bar__actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.template-preview-bar__actions a {
    color: #e8d5c4;
    text-decoration: none;
    white-space: nowrap;
}

.template-preview-bar__actions a:hover {
    color: #fff;
}

.template-preview-bar__cta {
    background: #c9a227;
    color: #2c1810 !important;
    padding: 6px 14px;
    border-radius: 20px;
    font-weight: 600;
}

.template-preview-bar__cta:hover {
    background: #e0b83d;
    color: #2c1810 !important;
}