/* =========================================================
   VIVI Design System Preview Page
   Version: 0.1.0
   Purpose:
   只負責設計系統預覽頁排版
   真正的全站基礎設定來自 vivi-base.css
========================================================= */


/* =========================================================
   1. Page Layout
========================================================= */

.vivi-ds-page {
	background:
		radial-gradient(circle at 85% 5%, color-mix(in srgb, var(--vivi-color-red) 10%, transparent), transparent 28%),
		linear-gradient(180deg, var(--vivi-color-bg) 0%, var(--vivi-color-bg-soft) 100%);
}

.vivi-ds-hero {
	padding: 80px var(--vivi-page-padding-x) 56px;
	border-bottom: 1px solid var(--vivi-color-border);
	background: var(--vivi-color-bg);
}

.vivi-ds-hero-inner {
	width: min(100%, var(--vivi-container-wide));
	margin-inline: auto;
	display: grid;
	grid-template-columns: 1.1fr 0.9fr;
	gap: 48px;
	align-items: center;
}

.vivi-ds-label {
	display: inline-flex;
	align-items: center;
	min-height: 28px;
	padding: 0 12px;
	margin-bottom: 18px;
	color: var(--vivi-color-red);
	background: color-mix(in srgb, var(--vivi-color-accent) 18%, transparent);
	border-radius: var(--vivi-radius-pill);
	font-size: var(--vivi-fs-xs);
	font-weight: var(--vivi-fw-heavy);
	letter-spacing: 0.08em;
}

.vivi-ds-title {
	margin: 0;
	font-family: var(--vivi-font-main);
	font-size: clamp(38px, 4.8vw, 64px);
	font-weight: var(--vivi-fw-bold);
	line-height: 1.08;
	letter-spacing: 0.04em;
	color: var(--vivi-color-text);
}

.vivi-ds-description {
	max-width: 660px;
	margin: 24px 0 0;
	color: var(--vivi-color-text-muted);
	font-size: var(--vivi-fs-body-lg);
	font-weight: var(--vivi-fw-medium);
	line-height: var(--vivi-lh-body);
}

.vivi-ds-hero-card {
	padding: 32px;
	background: var(--vivi-color-card-warm);
	border: 1px solid var(--vivi-color-border);
	border-radius: var(--vivi-radius-xl);
	box-shadow: var(--vivi-shadow-card);
}

.vivi-ds-hero-card h2 {
	margin: 0 0 18px;
	font-size: 20px;
}

.vivi-ds-hero-card ul {
	display: grid;
	gap: 10px;
	margin: 0;
	padding: 0;
	list-style: none;
	color: var(--vivi-color-text-muted);
	font-weight: var(--vivi-fw-semibold);
}

.vivi-ds-main {
	width: min(100% - calc(var(--vivi-page-padding-x) * 2), var(--vivi-container-wide));
	margin-inline: auto;
	padding: 56px 0 88px;
}

.vivi-ds-section {
	margin-top: 40px;
	padding: 36px;
	background: color-mix(in srgb, var(--vivi-color-card) 72%, transparent);
	border: 1px solid var(--vivi-color-border);
	border-radius: var(--vivi-radius-lg);
	box-shadow: var(--vivi-shadow-soft);
}

.vivi-ds-section:first-child {
	margin-top: 0;
}

.vivi-ds-section-head {
	display: flex;
	align-items: flex-end;
	justify-content: space-between;
	gap: 24px;
	margin-bottom: 28px;
	padding-bottom: 20px;
	border-bottom: 1px solid var(--vivi-color-border);
}

.vivi-ds-section-head h2 {
	margin: 0;
	font-family: var(--vivi-font-main);
	font-size: 32px;
	font-weight: var(--vivi-fw-bold);
	line-height: 1.2;
	letter-spacing: 0.04em;
}

.vivi-ds-section-head p {
	margin: 8px 0 0;
	color: var(--vivi-color-text-muted);
	font-size: var(--vivi-fs-small);
	font-weight: var(--vivi-fw-semibold);
}

.vivi-ds-note {
	color: var(--vivi-color-text-light);
	font-size: var(--vivi-fs-xs);
	font-weight: var(--vivi-fw-semibold);
}


/* =========================================================
   2. Color Swatches
========================================================= */

.vivi-ds-color-grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 16px;
}

.vivi-ds-color-card {
	overflow: hidden;
	background: var(--vivi-color-card);
	border: 1px solid var(--vivi-color-border);
	border-radius: var(--vivi-radius-md);
}

.vivi-ds-color-swatch {
	height: 112px;
	border-bottom: 1px solid var(--vivi-color-border);
}

.vivi-ds-color-info {
	padding: 14px;
}

.vivi-ds-color-info strong {
	display: block;
	margin-bottom: 4px;
	font-size: 15px;
}

.vivi-ds-color-info code {
	display: block;
	color: var(--vivi-color-text-muted);
	font-size: 12px;
}

.vivi-ds-color-usage {
	display: block;
	margin-top: 8px;
	color: var(--vivi-color-text-light);
	font-size: 12px;
	font-weight: var(--vivi-fw-semibold);
	line-height: 1.45;
}

.vivi-ds-color-black {
	background: var(--vivi-color-black);
}

.vivi-ds-color-black-soft {
	background: var(--vivi-color-black-soft);
}

.vivi-ds-color-red {
	background: var(--vivi-color-red);
}

.vivi-ds-color-bg {
	background: var(--vivi-color-bg);
}

.vivi-ds-color-bg-soft {
	background: var(--vivi-color-bg-soft);
}

.vivi-ds-color-bg-warm {
	background: var(--vivi-color-bg-warm);
}

.vivi-ds-color-card-bg {
	background: var(--vivi-color-card);
}

.vivi-ds-color-muted {
	background: var(--vivi-color-text-muted);
}


/* =========================================================
   3. Typography Preview
========================================================= */

.vivi-ds-type-stack {
	display: grid;
	gap: 24px;
}

.vivi-ds-type-row {
	display: grid;
	grid-template-columns: 180px 1fr 120px;
	gap: 24px;
	align-items: baseline;
	padding: 20px 0;
	border-bottom: 1px solid var(--vivi-color-border);
}

.vivi-ds-type-row:last-child {
	border-bottom: 0;
}

.vivi-ds-type-label {
	color: var(--vivi-color-text-light);
	font-size: var(--vivi-fs-small);
	font-weight: var(--vivi-fw-bold);
}

.vivi-ds-type-sample {
	margin: 0;
	color: var(--vivi-color-text);
}

.vivi-ds-type-size {
	color: var(--vivi-color-text-muted);
	font-size: var(--vivi-fs-xs);
	font-weight: var(--vivi-fw-bold);
	text-align: right;
}

.vivi-ds-sample-hero {
	font-family: var(--vivi-font-main);
	font-size: var(--vivi-fs-hero);
	font-weight: var(--vivi-fw-bold);
	line-height: var(--vivi-lh-heading);
	letter-spacing: 0.05em;
}

.vivi-ds-sample-h1 {
	font-family: var(--vivi-font-main);
	font-size: var(--vivi-fs-h1);
	font-weight: var(--vivi-fw-bold);
	line-height: var(--vivi-lh-heading);
}

.vivi-ds-sample-h2 {
	font-family: var(--vivi-font-main);
	font-size: var(--vivi-fs-h2);
	font-weight: var(--vivi-fw-bold);
	line-height: var(--vivi-lh-heading);
}

.vivi-ds-sample-h3 {
	font-family: var(--vivi-font-main);
	font-size: var(--vivi-fs-h3);
	font-weight: var(--vivi-fw-bold);
	line-height: var(--vivi-lh-compact);
}

.vivi-ds-sample-body-lg {
	font-size: var(--vivi-fs-body-lg);
	line-height: var(--vivi-lh-body);
	color: var(--vivi-color-text-muted);
}

.vivi-ds-sample-body {
	font-size: var(--vivi-fs-body);
	line-height: var(--vivi-lh-body);
	color: var(--vivi-color-text-muted);
}

.vivi-ds-sample-small {
	font-size: var(--vivi-fs-small);
	color: var(--vivi-color-text-light);
}

.vivi-ds-sample-xs {
	font-size: var(--vivi-fs-xs);
	color: var(--vivi-color-text-light);
}


/* =========================================================
   4. Buttons Preview
========================================================= */

.vivi-ds-button-row {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	align-items: center;
}

.vivi-ds-button-group {
	display: grid;
	gap: 20px;
}

.vivi-ds-button-preview {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 14px;
	padding: 24px;
	background: var(--vivi-color-bg-soft);
	border-radius: var(--vivi-radius-md);
}


/* =========================================================
   5. Cards Preview
========================================================= */

.vivi-ds-card-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 20px;
}

.vivi-ds-demo-image {
	min-height: 180px;
	background:
		radial-gradient(circle at 70% 35%, color-mix(in srgb, var(--vivi-color-card) 72%, transparent) 0 9%, transparent 10%),
		linear-gradient(135deg, var(--vivi-color-bg-deep), var(--vivi-color-accent));
}

.vivi-ds-demo-image-food {
	background-image: linear-gradient(135deg, var(--vivi-color-black), var(--vivi-color-red) 45%, var(--vivi-color-bg-warm));
}

.vivi-ds-demo-image-hotel {
	background-image: linear-gradient(135deg, var(--vivi-color-black-soft), var(--vivi-color-bg-warm) 52%, var(--vivi-color-bg-soft));
}

.vivi-ds-demo-image-story {
	background-image: linear-gradient(135deg, var(--vivi-color-bg-soft), var(--vivi-color-accent) 46%, var(--vivi-color-black-soft));
}


/* =========================================================
   6. Image Ratios
========================================================= */

.vivi-ds-ratio-grid {
	display: grid;
	grid-template-columns: repeat(5, minmax(0, 1fr));
	gap: 16px;
}

.vivi-ds-ratio-card {
	padding: 14px;
	background: var(--vivi-color-card);
	border: 1px solid var(--vivi-color-border);
	border-radius: var(--vivi-radius-md);
}

.vivi-ds-ratio-fill {
	display: flex;
	align-items: center;
	justify-content: center;
	background:
		linear-gradient(135deg, color-mix(in srgb, var(--vivi-color-accent) 24%, transparent), color-mix(in srgb, var(--vivi-color-accent-soft) 92%, transparent)),
		var(--vivi-color-bg-warm);
	color: var(--vivi-color-text-muted);
	font-weight: var(--vivi-fw-heavy);
}

.vivi-ds-ratio-card strong {
	display: block;
	margin-top: 12px;
	font-size: 14px;
}

.vivi-ds-ratio-card span {
	display: block;
	margin-top: 2px;
	color: var(--vivi-color-text-light);
	font-size: 12px;
}


/* =========================================================
   7. Forms
========================================================= */

.vivi-ds-form-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 18px;
}

.vivi-ds-form-field {
	display: grid;
	gap: 8px;
}

.vivi-ds-form-field label {
	font-size: var(--vivi-fs-small);
	font-weight: var(--vivi-fw-bold);
}


/* =========================================================
   8. Spacing Preview
========================================================= */

.vivi-ds-space-stack {
	display: grid;
	gap: 14px;
}

.vivi-ds-space-row {
	display: grid;
	grid-template-columns: 140px 1fr 80px;
	gap: 16px;
	align-items: center;
}

.vivi-ds-space-bar {
	height: 18px;
	background: var(--vivi-color-red);
	border-radius: var(--vivi-radius-pill);
	opacity: 0.72;
}

.vivi-ds-space-xs {
	width: var(--vivi-space-xs);
}

.vivi-ds-space-sm {
	width: var(--vivi-space-sm);
}

.vivi-ds-space-md {
	width: var(--vivi-space-md);
}

.vivi-ds-space-lg {
	width: var(--vivi-space-lg);
}

.vivi-ds-space-xl {
	width: var(--vivi-space-xl);
}

.vivi-ds-space-2xl {
	width: var(--vivi-space-2xl);
}

.vivi-ds-space-3xl {
	width: var(--vivi-space-3xl);
}


/* =========================================================
   9. Responsive
========================================================= */

@media (max-width: 1100px) {
	.vivi-ds-hero-inner {
		grid-template-columns: 1fr;
	}

	.vivi-ds-color-grid {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}

	.vivi-ds-card-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.vivi-ds-ratio-grid {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}

	.vivi-ds-form-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (max-width: 700px) {
	.vivi-ds-hero {
		padding: 44px var(--vivi-mobile-padding-x) 36px;
	}

	.vivi-ds-title {
		font-size: 34px;
	}

	.vivi-ds-description {
		font-size: 15px;
	}

	.vivi-ds-main {
		width: min(100% - calc(var(--vivi-mobile-padding-x) * 2), var(--vivi-container-wide));
		padding: 32px 0 56px;
	}

	.vivi-ds-section {
		margin-top: 24px;
		padding: 22px 16px;
		border-radius: var(--vivi-radius-md);
	}

	.vivi-ds-section-head {
		display: block;
		margin-bottom: 20px;
		padding-bottom: 16px;
	}

	.vivi-ds-section-head h2 {
		font-size: 28px;
	}

	.vivi-ds-note {
		display: block;
		margin-top: 8px;
	}

	.vivi-ds-color-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 12px;
	}

	.vivi-ds-color-swatch {
		height: 86px;
	}

	.vivi-ds-type-row {
		grid-template-columns: 1fr;
		gap: 8px;
		padding: 18px 0;
	}

	.vivi-ds-type-size {
		text-align: left;
	}

	.vivi-ds-card-grid,
	.vivi-ds-form-grid {
		grid-template-columns: 1fr;
	}

	.vivi-ds-ratio-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 12px;
	}

	.vivi-ds-space-row {
		grid-template-columns: 90px 1fr 56px;
		gap: 10px;
	}
}
/* =========================================================
   8. Icon Library
========================================================= */

.vivi-ds-icon-grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 14px;
}

.vivi-ds-icon-card {
	display: flex;
	flex-direction: column;
	gap: 7px;
	align-items: flex-start;
	padding: 18px;
	border: 1px solid var(--vivi-color-border);
	border-radius: var(--vivi-radius-md);
	background: var(--vivi-color-card-bg);
	box-shadow: var(--vivi-shadow-soft);
}

.vivi-ds-icon-symbol {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 48px;
	height: 48px;
	border-radius: 999px;
	background: var(--vivi-color-bg-soft);
	color: var(--vivi-color-primary);
	font-size: 24px;
}

.vivi-ds-icon-card strong {
	font-size: var(--vivi-fs-body);
	line-height: 1.25;
	color: var(--vivi-color-text);
}

.vivi-ds-icon-card span {
	font-size: var(--vivi-fs-xs);
	line-height: 1.45;
	color: var(--vivi-color-muted);
}

.vivi-ds-icon-card code {
	display: block;
	max-width: 100%;
	padding: 4px 7px;
	border-radius: 8px;
	background: var(--vivi-color-bg-soft);
	color: var(--vivi-color-muted);
	font-size: 11px;
	line-height: 1.35;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

@media (max-width: 1100px) {
	.vivi-ds-icon-grid {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}
}

@media (max-width: 700px) {
	.vivi-ds-icon-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 12px;
	}

	.vivi-ds-icon-card {
		padding: 14px;
	}
}