/* =========================================================================
 * Chusen front-end styles
 * Scope hết dưới .chusen để không đụng CSS của theme.
 * ====================================================================== */

.chusen {
	--c-ink: #1a1726;
	--c-muted: #6b6680;
	--c-line: #e7e4ef;
	--c-surface: #ffffff;
	--c-bg-soft: #f7f6fb;

	/* Status palette */
	--c-open: #16a34a;
	--c-open-soft: #e8f7ee;
	--c-before: #d97706;
	--c-before-soft: #fdf2e3;
	--c-closed: #9aa0ab;
	--c-closed-soft: #f1f2f4;

	/* Signature accent: tím-holo, dùng tiết chế */
	--c-accent: #6d28d9;
	--c-accent-2: #06b6d4;

	max-width: 1080px;
	margin: 0 auto;
	padding: 2.5rem 1.25rem 4rem;
	color: var(--c-ink);
	font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Segoe UI", Roboto, sans-serif;
	line-height: 1.6;
}

.chusen *,
.chusen *::before,
.chusen *::after {
	box-sizing: border-box;
}

/* Reset thụt lề mặc định của trình duyệt cho dl/dd */
.chusen :where(dl, dt, dd) {
	margin: 0;
}

/* ---- Archive header ---------------------------------------------------- */

.chusen-eyebrow {
	margin: 0 0 .4rem;
	font-size: .72rem;
	letter-spacing: .22em;
	font-weight: 700;
	color: var(--c-accent);
}

.chusen-archive__title {
	margin: 0 0 .35rem;
	font-size: clamp(1.7rem, 4vw, 2.5rem);
	font-weight: 800;
	letter-spacing: -.02em;
	line-height: 1.15;
}

.chusen-archive__sub {
	margin: 0;
	max-width: 46ch;
	color: var(--c-muted);
}

/* ---- Filter chips ------------------------------------------------------ */

.chusen-filter {
	display: flex;
	flex-wrap: wrap;
	gap: .5rem;
	margin: 2rem 0 1.5rem;
}

.chusen-chip {
	border: 1px solid var(--c-line);
	background: var(--c-surface);
	color: var(--c-muted);
	padding: .4rem .9rem;
	border-radius: 999px;
	font-size: .85rem;
	font-weight: 600;
	cursor: pointer;
	transition: border-color .15s, color .15s, background .15s;
}

.chusen-chip:hover {
	border-color: var(--c-accent);
	color: var(--c-accent);
}

.chusen-chip.is-active {
	background: var(--c-ink);
	border-color: var(--c-ink);
	color: #fff;
}

.chusen-chip:focus-visible {
	outline: 2px solid var(--c-accent);
	outline-offset: 2px;
}

/* ---- Grid + card ------------------------------------------------------- */

.chusen-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: 1.1rem;
}

.chusen-card {
	position: relative;
	background: var(--c-surface);
	border: 1px solid var(--c-line);
	border-radius: 14px;
	padding: 1.15rem 1.15rem 1.15rem 1.4rem;
	display: flex;
	flex-direction: column;
	gap: .7rem;
	overflow: hidden;
	transition: transform .15s, box-shadow .15s, border-color .15s;
}

.chusen-card:hover {
	transform: translateY(-3px);
	box-shadow: 0 12px 28px -16px rgba(26, 23, 38, .35);
	border-color: #d9d4e8;
}

/* Status stripe bên trái */
.chusen-card__stripe {
	position: absolute;
	inset: 0 auto 0 0;
	width: 5px;
}
.chusen-card--open .chusen-card__stripe { background: var(--c-open); }
.chusen-card--before .chusen-card__stripe { background: var(--c-before); }
.chusen-card--closed .chusen-card__stripe { background: var(--c-closed); }
.chusen-card--closed { opacity: .72; }

.chusen-card__top {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: .5rem;
}

.chusen-card__brand,
.chusen-card__shop {
	font-size: .8rem;
	color: var(--c-muted);
	margin: 0;
}
.chusen-card__brand a,
.chusen-card__shop a { color: inherit; text-decoration: none; }
.chusen-card__brand a:hover,
.chusen-card__shop a:hover { text-decoration: underline; }

.chusen-card__title {
	margin: 0;
	font-size: 1.08rem;
	font-weight: 700;
	line-height: 1.35;
}
.chusen-card__title a { color: var(--c-ink); text-decoration: none; }
.chusen-card__title a:hover { color: var(--c-accent); }

.chusen-card__meta {
	display: flex;
	flex-wrap: wrap;
	gap: .35rem 1.4rem;
	margin: 0;
}
.chusen-card__meta div { margin: 0; }
.chusen-card__meta dt {
	font-size: .68rem;
	text-transform: uppercase;
	letter-spacing: .08em;
	color: var(--c-muted);
}
.chusen-card__meta dd {
	margin: 0;
	font-weight: 600;
	font-variant-numeric: tabular-nums;
}

.chusen-card__link {
	margin-top: auto;
	align-self: flex-start;
	font-weight: 600;
	font-size: .9rem;
	color: var(--c-accent);
	text-decoration: none;
}
.chusen-card__link:hover { text-decoration: underline; }

/* ---- Badge ------------------------------------------------------------- */

.chusen-badge {
	display: inline-flex;
	align-items: center;
	gap: .35rem;
	font-size: .73rem;
	font-weight: 700;
	padding: .22rem .6rem;
	border-radius: 999px;
	white-space: nowrap;
}
.chusen-badge::before {
	content: "";
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: currentColor;
}
.chusen-badge--open { color: var(--c-open); background: var(--c-open-soft); }
.chusen-badge--before { color: var(--c-before); background: var(--c-before-soft); }
.chusen-badge--closed { color: var(--c-closed); background: var(--c-closed-soft); }

/* ---- Countdown (card) -------------------------------------------------- */

.chusen-countdown {
	display: flex;
	flex-direction: column;
	gap: .1rem;
	margin: 0;
	padding: .55rem .7rem;
	background: var(--c-bg-soft);
	border-radius: 10px;
}
.chusen-countdown__label {
	font-size: .68rem;
	text-transform: uppercase;
	letter-spacing: .08em;
	color: var(--c-muted);
}
.chusen-countdown__value {
	font-weight: 700;
	font-variant-numeric: tabular-nums;
	letter-spacing: -.01em;
}
.chusen-countdown.is-urgent .chusen-countdown__value { color: #dc2626; }

/* ---- Pagination / empty ------------------------------------------------ */

.chusen-pagination,
.navigation.pagination {
	margin-top: 2.5rem;
}
.chusen-empty,
.chusen-empty-filter {
	margin-top: 2rem;
	padding: 2rem;
	text-align: center;
	color: var(--c-muted);
	background: var(--c-bg-soft);
	border-radius: 14px;
}

/* =======================================================================
 * SINGLE
 * ==================================================================== */

.chusen-back {
	display: inline-block;
	margin-bottom: 1.2rem;
	font-size: .9rem;
	font-weight: 600;
	color: var(--c-muted);
	text-decoration: none;
}
.chusen-back:hover { color: var(--c-accent); }

.chusen-single__badges {
	display: flex;
	align-items: center;
	gap: .6rem;
	flex-wrap: wrap;
	margin-bottom: .6rem;
}
.chusen-single__brand { font-size: .85rem; color: var(--c-muted); }
.chusen-single__brand a { color: inherit; }

.chusen-single__title {
	margin: 0 0 .4rem;
	font-size: clamp(1.6rem, 4vw, 2.3rem);
	font-weight: 800;
	letter-spacing: -.02em;
	line-height: 1.2;
}
.chusen-single__shop { margin: 0; color: var(--c-muted); }
.chusen-single__shop a { color: inherit; }

/* Signature: hero countdown với accent holo */
.chusen-hero-countdown {
	margin: 1.6rem 0 2rem;
	padding: 1.4rem 1.6rem;
	border-radius: 16px;
	background:
		linear-gradient(120deg, rgba(109, 40, 217, .10), rgba(6, 182, 212, .10)),
		var(--c-surface);
	border: 1px solid var(--c-line);
	display: flex;
	flex-direction: column;
	gap: .35rem;
}
.chusen-hero-countdown__label {
	font-size: .78rem;
	text-transform: uppercase;
	letter-spacing: .12em;
	color: var(--c-muted);
}
.chusen-hero-countdown__value {
	font-size: clamp(1.5rem, 5vw, 2.4rem);
	font-weight: 800;
	font-variant-numeric: tabular-nums;
	letter-spacing: -.02em;
	background: linear-gradient(120deg, var(--c-accent), var(--c-accent-2));
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}
.chusen-hero-countdown--closed .chusen-hero-countdown__value {
	font-size: 1.2rem;
	background: none;
	color: var(--c-closed);
	-webkit-text-fill-color: var(--c-closed);
}
.chusen-hero-countdown.is-urgent .chusen-hero-countdown__value {
	background: linear-gradient(120deg, #dc2626, #f97316);
	-webkit-background-clip: text;
	background-clip: text;
}

.chusen-single__body {
	display: flex;
	flex-direction: column;
	gap: 2rem;
}

.chusen-h2 {
	font-size: 1.15rem;
	font-weight: 700;
	margin: 0 0 .9rem;
	padding-bottom: .5rem;
	border-bottom: 2px solid var(--c-line);
}

.chusen-info__grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
	gap: 1rem;
	margin: 0 0 1.4rem;
}
.chusen-info__grid div { margin: 0; }
.chusen-info__grid dt {
	font-size: .7rem;
	text-transform: uppercase;
	letter-spacing: .08em;
	color: var(--c-muted);
	margin-bottom: .15rem;
}
.chusen-info__grid dd {
	margin: 0;
	font-weight: 600;
	font-variant-numeric: tabular-nums;
}

/* CTA */
.chusen-cta {
	display: inline-block;
	background: var(--c-ink);
	color: #fff;
	font-weight: 700;
	padding: .8rem 1.4rem;
	border-radius: 10px;
	text-decoration: none;
	transition: transform .15s, background .15s;
}
.chusen-cta:hover { transform: translateY(-2px); background: var(--c-accent); }
.chusen-cta:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; }
.chusen-cta__note {
	margin: .6rem 0 0;
	font-size: .82rem;
	color: var(--c-muted);
}

/* Steps — numbered vì đây là chuỗi thao tác thật */
.chusen-steps__list {
	list-style: none;
	counter-reset: step;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: .7rem;
}
.chusen-steps__item {
	counter-increment: step;
	position: relative;
	padding: .85rem 1rem .85rem 3rem;
	background: var(--c-bg-soft);
	border-radius: 10px;
}
.chusen-steps__item::before {
	content: counter(step);
	position: absolute;
	left: .85rem;
	top: .8rem;
	width: 1.55rem;
	height: 1.55rem;
	display: grid;
	place-items: center;
	background: var(--c-accent);
	color: #fff;
	border-radius: 50%;
	font-size: .82rem;
	font-weight: 700;
}

.chusen-reqs__text {
	margin: 0;
	padding: 1rem 1.1rem;
	background: var(--c-before-soft);
	border-radius: 10px;
	border-left: 4px solid var(--c-before);
}

.chusen-content__body { color: var(--c-ink); }

/* ---- Responsive -------------------------------------------------------- */

@media (max-width: 600px) {
	.chusen { padding: 1.6rem 1rem 3rem; }
	.chusen-grid { grid-template-columns: 1fr; }
}

/* ---- Motion preference ------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
	.chusen-card,
	.chusen-cta { transition: none; }
	.chusen-card:hover,
	.chusen-cta:hover { transform: none; }
}

/* =======================================================================
 * BOX MODEL — thêm cho card thumbnail + danh sách shop
 * ==================================================================== */

.chusen-card__thumb {
	display: block;
	margin: -1.15rem -1.15rem .2rem -1.4rem;
	border-bottom: 1px solid var(--c-line);
	background: var(--c-bg-soft);
}
.chusen-card__img {
	display: block;
	width: 100%;
	height: 150px;
	object-fit: cover;
}

.chusen-single__hero-img {
	margin: 1.4rem auto 0;
	max-width: 420px;
	border-radius: 16px;
	overflow: hidden;
	border: 1px solid var(--c-line);
	background: var(--c-bg-soft);
}
.chusen-single__hero-img img {
	display: block;
	width: 100%;
	height: auto;
	max-height: 420px;
	object-fit: contain;
}

/* Shop list */
.chusen-shoplist { margin-top: 2rem; }
.chusen-shoplist__items {
	display: flex;
	flex-direction: column;
	gap: 1rem;
}

.chusen-shop {
	position: relative;
	border: 1px solid var(--c-line);
	border-radius: 14px;
	padding: 1.1rem 1.2rem;
	background: var(--c-surface);
}
.chusen-shop--closed { opacity: .68; }
.chusen-shop--open { border-color: #bbe7c9; }

.chusen-shop__head {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: .75rem;
	margin-bottom: .7rem;
}
.chusen-shop__name {
	margin: 0;
	font-size: 1.1rem;
	font-weight: 700;
	display: flex;
	align-items: baseline;
	gap: .55rem;
	flex-wrap: wrap;
}
.chusen-shop__region {
	font-size: .75rem;
	font-weight: 600;
	color: var(--c-muted);
	background: var(--c-bg-soft);
	padding: .12rem .5rem;
	border-radius: 999px;
}

.chusen-shop__meta {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
	gap: .7rem 1.1rem;
	margin: 0 0 .8rem;
	padding: .85rem 1rem;
	background: var(--c-bg-soft);
	border-radius: 10px;
}
.chusen-shop__meta div { margin: 0; }
.chusen-shop__meta dt {
	font-size: .66rem;
	text-transform: uppercase;
	letter-spacing: .07em;
	color: var(--c-muted);
	margin-bottom: .12rem;
}
.chusen-shop__meta dd {
	margin: 0;
	font-weight: 600;
	font-variant-numeric: tabular-nums;
	line-height: 1.4;
}

.chusen-shop__cd {
	display: inline-flex;
	flex-direction: row;
	align-items: baseline;
	gap: .5rem;
	margin: 0 0 .7rem;
}
.chusen-shop__note {
	margin: 0 0 .8rem;
	padding: .7rem .85rem;
	background: var(--c-bg-soft);
	border-radius: 9px;
	font-size: .92rem;
}
.chusen-shop__closed {
	display: inline-block;
	font-size: .85rem;
	font-weight: 600;
	color: var(--c-muted);
}

.chusen-cta--sm {
	padding: .6rem 1.1rem;
	font-size: .92rem;
}

/* =======================================================================
 * CAMPAIGN ↔ BOX additions
 * ==================================================================== */

/* Tên box tóm tắt trong card đợt */
.chusen-card__boxes {
	margin: 0;
	font-size: .82rem;
	color: var(--c-muted);
	line-height: 1.4;
}

/* Lưới box mini trong trang đợt 抽選 */
.chusen-minibox__grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
	gap: 1rem;
}
.chusen-minibox {
	display: flex;
	flex-direction: column;
	gap: .5rem;
	text-decoration: none;
	color: var(--c-ink);
	border: 1px solid var(--c-line);
	border-radius: 12px;
	padding: .7rem;
	transition: border-color .15s, transform .15s;
}
.chusen-minibox:hover { border-color: var(--c-accent); transform: translateY(-3px); }
.chusen-minibox__img {
	display: block;
	aspect-ratio: 1 / 1;
	background: var(--c-bg-soft);
	border-radius: 8px;
	overflow: hidden;
}
.chusen-minibox__img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.chusen-minibox__name { font-size: .88rem; font-weight: 600; line-height: 1.3; }

.chusen-boxgrid { margin-top: 2rem; }

@media (prefers-reduced-motion: reduce) {
	.chusen-minibox { transition: none; }
	.chusen-minibox:hover { transform: none; }
}

/* Nhãn +N box trên ảnh card đợt */
.chusen-card__thumb { position: relative; }
.chusen-card__count {
	position: absolute;
	right: .5rem;
	bottom: .5rem;
	background: rgba(26, 23, 38, .82);
	color: #fff;
	font-size: .72rem;
	font-weight: 700;
	padding: .2rem .5rem;
	border-radius: 999px;
}

/* Fix: hidden phải thắng display:flex khi lọc chip trạng thái */
.chusen-card[hidden] {
	display: none !important;
}