/* Trang single "Thiệp Cưới" */
.tc-single { --tc-red:#b5342a; --tc-ink:#26221d; --tc-muted:#7a7168; --tc-line:#e8e1d6; --tc-cream:#faf7f2; }

.tc-back { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 24px; color: var(--tc-muted); font: 13px Arial, sans-serif; text-decoration: none; }
.tc-back:hover { color: var(--tc-red); }

.tc-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: start; }

.tc-gallery { position: sticky; top: 24px; }
.tc-main-photo { margin: 0; aspect-ratio: 4/5; overflow: hidden; border-radius: 12px; background: var(--tc-cream); }
.tc-main-photo img { display: block; width: 100%; height: 100%; object-fit: cover; }

.tc-thumbs { display: flex; gap: 10px; margin-top: 12px; overflow-x: auto; padding-bottom: 4px; }
.tc-thumb { flex: 0 0 auto; width: 64px; height: 64px; padding: 0; border: 2px solid transparent; border-radius: 8px; overflow: hidden; background: none; cursor: pointer; }
.tc-thumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.tc-thumb.is-active { border-color: var(--tc-red); }

.tc-badge { display: inline-block; margin: 0 0 14px; padding: 6px 14px; border-radius: 999px; background: var(--tc-cream); color: var(--tc-red); font: 700 11px Arial, sans-serif; letter-spacing: .04em; }
.tc-title { margin: 0 0 8px; color: var(--tc-ink); font-family: Georgia, 'Times New Roman', serif; font-size: clamp(28px, 4vw, 38px); font-weight: 400; }
.tc-subtitle { margin: 0 0 20px; color: var(--tc-muted); font: 14px/1.6 Arial, sans-serif; }

.tc-price { display: flex; align-items: baseline; gap: 12px; margin: 0 0 28px; }
.tc-price-current { color: var(--tc-red); font-family: Georgia, serif; font-size: 30px; }
.tc-price-original { color: var(--tc-muted); font-size: 16px; text-decoration: line-through; }

.tc-heading { margin: 0 0 10px; color: var(--tc-muted); font: 700 11px Arial, sans-serif; text-transform: uppercase; letter-spacing: .1em; }

.tc-color { margin-bottom: 26px; }
.tc-color-row { display: flex; align-items: center; gap: 10px; }
.tc-color-swatch { display: block; width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--tc-line); }
.tc-color-hex { color: var(--tc-ink); font: 13px Arial, sans-serif; letter-spacing: .04em; }

.tc-features { margin-bottom: 32px; }
.tc-features ul { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.tc-features li { display: flex; align-items: center; gap: 10px; color: var(--tc-ink); font: 14px Arial, sans-serif; }
.tc-check { display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: var(--tc-red); color: #fff; font-size: 11px; flex: 0 0 auto; }

.tc-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.tc-btn { display: inline-flex; align-items: center; gap: 8px; min-height: 46px; padding: 0 24px; border-radius: 999px; color: #fff; font: 700 13px Arial, sans-serif; text-decoration: none; }
.tc-btn-zalo { background: #0068ff; }
.tc-btn-tiktok { background: #101010; }
.tc-btn:hover { opacity: .9; }

.tc-description { max-width: 760px; margin: 56px 0 0; padding-top: 40px; border-top: 1px solid var(--tc-line); color: var(--tc-ink); font: 15px/1.8 Arial, sans-serif; }
.tc-description h2 { margin: 0 0 16px; font-family: Georgia, serif; font-size: 22px; font-weight: 400; }

@media (max-width: 860px) {
	.tc-layout { grid-template-columns: 1fr; gap: 28px; }
	.tc-gallery { position: static; }
}