/**
 * Campus Book Savings — Editorial article system
 *
 * Centralized, page-scoped styles for single-post reading experiences.
 * Keep article-level markup semantic and free of embedded CSS.
 */

.single-post {
	--cbs-ink: #102a2a;
	--cbs-ink-soft: #385251;
	--cbs-teal: #0d625b;
	--cbs-teal-deep: #084c47;
	--cbs-mint: #e7f3ef;
	--cbs-gold: #f4b942;
	--cbs-gold-soft: #fff6df;
	--cbs-paper: #fffdf8;
	--cbs-surface: #ffffff;
	--cbs-line: #dce7e3;
	--cbs-shadow: 0 24px 64px rgba(16, 42, 42, 0.10);
	background:
		radial-gradient(circle at 8% 8%, rgba(244, 185, 66, 0.12), transparent 28rem),
		linear-gradient(180deg, #f5faf8 0, #fffdf8 32rem, #fffdf8 100%);
	color: var(--cbs-ink);
}

.single-post .site-content {
	padding: clamp(2.5rem, 6vw, 5.5rem) 1.25rem clamp(4rem, 8vw, 7rem);
}

.single-post .site-content > .ast-container {
	display: block;
	max-width: 1120px;
	padding: 0;
}

.single-post #primary {
	float: none;
	width: 100%;
	max-width: 100%;
	margin: 0;
}

.single-post #secondary {
	display: none;
}

.single-post article.ast-article-single {
	position: relative;
	max-width: 1040px;
	margin: 0 auto;
	padding: clamp(1.5rem, 4vw, 4.75rem);
	overflow: hidden;
	border: 1px solid rgba(13, 98, 91, 0.12);
	border-radius: 28px;
	background: rgba(255, 255, 255, 0.96);
	box-shadow: var(--cbs-shadow);
}

.single-post article.ast-article-single::before {
	content: "";
	position: absolute;
	inset: 0 0 auto;
	height: 6px;
	background: linear-gradient(90deg, var(--cbs-gold), #f9d789 38%, var(--cbs-teal) 100%);
}

.single-post .entry-header,
.single-post .entry-content {
	max-width: 760px;
	margin-right: auto;
	margin-left: auto;
}

.single-post .entry-header {
	margin-bottom: clamp(1.75rem, 4vw, 3rem);
	text-align: center;
}

.single-post .entry-title {
	max-width: 850px;
	margin: 0 auto 1rem;
	color: var(--cbs-ink);
	font-family: "Newsreader", Georgia, serif;
	font-size: clamp(2.55rem, 6.5vw, 4.6rem);
	font-weight: 700;
	letter-spacing: -0.035em;
	line-height: 0.98;
	text-wrap: balance;
}

.single-post .entry-meta {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	align-items: center;
	gap: 0.35rem 0.55rem;
	color: #627775;
	font-family: "Public Sans", sans-serif;
	font-size: 0.78rem;
	font-weight: 600;
	letter-spacing: 0.06em;
	line-height: 1.5;
	text-transform: uppercase;
}

.single-post .entry-meta a {
	color: var(--cbs-teal-deep);
	text-decoration: none;
}

.single-post .entry-meta a:hover {
	color: var(--cbs-teal);
	text-decoration: underline;
	text-underline-offset: 3px;
}

.single-post .post-thumb,
.single-post .post-thumb-img-content {
	max-width: 900px;
	margin: 0 auto clamp(2rem, 5vw, 3.75rem);
}

.single-post .post-thumb img,
.single-post .wp-post-image {
	display: block;
	width: 100%;
	max-height: 560px;
	object-fit: cover;
	border-radius: 20px;
	box-shadow: 0 18px 42px rgba(16, 42, 42, 0.16);
}

.single-post .entry-content {
	color: var(--cbs-ink-soft);
	font-family: "Public Sans", sans-serif;
	font-size: clamp(1.0625rem, 1.4vw, 1.16rem);
	line-height: 1.82;
}

.single-post .entry-content > p:first-child {
	color: var(--cbs-ink);
	font-family: "Newsreader", Georgia, serif;
	font-size: clamp(1.35rem, 2.5vw, 1.7rem);
	font-weight: 600;
	letter-spacing: -0.01em;
	line-height: 1.48;
}

.single-post .entry-content p {
	margin-bottom: 1.45em;
}

.single-post .entry-content h2 {
	position: relative;
	margin: clamp(3rem, 7vw, 4.5rem) 0 1rem;
	padding-top: 1.05rem;
	color: var(--cbs-ink);
	font-family: "Newsreader", Georgia, serif;
	font-size: clamp(2rem, 4vw, 2.8rem);
	font-weight: 700;
	letter-spacing: -0.025em;
	line-height: 1.1;
	text-wrap: balance;
}

.single-post .entry-content h2::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 58px;
	height: 4px;
	border-radius: 999px;
	background: var(--cbs-gold);
}

.single-post .entry-content h3 {
	margin: 2.25rem 0 0.65rem;
	color: var(--cbs-teal-deep);
	font-family: "Public Sans", sans-serif;
	font-size: clamp(1.18rem, 2vw, 1.38rem);
	font-weight: 700;
	letter-spacing: -0.01em;
	line-height: 1.35;
}

.single-post .entry-content a:not(.wp-block-button__link) {
	color: var(--cbs-teal-deep);
	font-weight: 650;
	text-decoration-color: rgba(13, 98, 91, 0.35);
	text-decoration-thickness: 2px;
	text-underline-offset: 3px;
}

.single-post .entry-content a:not(.wp-block-button__link):hover {
	color: #063c38;
	text-decoration-color: var(--cbs-gold);
}

.single-post .entry-content ul,
.single-post .entry-content ol {
	margin: 0 0 1.6rem 1.15rem;
}

.single-post .entry-content li {
	margin-bottom: 0.55rem;
	padding-left: 0.3rem;
}

.single-post .entry-content li::marker {
	color: var(--cbs-teal);
	font-weight: 700;
}

.single-post .cbs-checklist,
.single-post .cbs-formula,
.single-post .cbs-affiliate-note {
	margin: clamp(2rem, 5vw, 3rem) 0;
	border-radius: 18px;
}

.single-post .cbs-checklist {
	padding: clamp(1.35rem, 4vw, 2rem);
	border: 1px solid var(--cbs-line);
	background: linear-gradient(145deg, #ffffff, #f4faf7);
	box-shadow: 0 12px 32px rgba(16, 42, 42, 0.07);
}

.single-post .cbs-checklist > p:first-child {
	margin-bottom: 0.75rem;
	color: var(--cbs-ink);
	font-family: "Public Sans", sans-serif;
	font-size: 0.95rem;
	letter-spacing: 0.015em;
	line-height: 1.5;
}

.single-post .cbs-checklist ul,
.single-post .cbs-checklist ol {
	margin-bottom: 0;
}

.single-post .cbs-formula {
	position: relative;
	padding: clamp(1.5rem, 4vw, 2.2rem);
	overflow: hidden;
	background: linear-gradient(135deg, #0a514c 0%, #123f3d 100%);
	box-shadow: 0 18px 40px rgba(8, 76, 71, 0.2);
	color: #f6fffc;
}

.single-post .cbs-formula::after {
	content: "";
	position: absolute;
	right: -45px;
	bottom: -70px;
	width: 180px;
	height: 180px;
	border: 28px solid rgba(244, 185, 66, 0.18);
	border-radius: 50%;
}

.single-post .cbs-formula p {
	position: relative;
	z-index: 1;
	margin-bottom: 0.8rem;
	color: inherit;
	font-size: 1rem;
}

.single-post .cbs-formula p:last-child {
	margin-bottom: 0;
}

.single-post .cbs-formula strong {
	color: #ffe29a;
}

.single-post .cbs-affiliate-note {
	padding: 1.15rem 1.3rem 1.15rem 1.4rem;
	border: 1px solid rgba(203, 148, 25, 0.28);
	border-left: 5px solid var(--cbs-gold);
	background: var(--cbs-gold-soft);
	color: #5d491a;
	font-size: 0.88rem;
	line-height: 1.6;
}

.single-post .cbs-affiliate-note p {
	margin: 0;
	color: inherit;
	font-size: inherit;
}

.single-post .cbs-amazon-cta {
	margin: 1.75rem 0 3rem;
}

.single-post .cbs-amazon-cta a {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 52px;
	padding: 0.85rem 1.35rem;
	border: 2px solid var(--cbs-teal-deep);
	border-radius: 999px;
	background: var(--cbs-teal-deep);
	box-shadow: 0 10px 24px rgba(8, 76, 71, 0.18);
	color: #ffffff !important;
	font-size: 0.95rem;
	font-weight: 700 !important;
	line-height: 1.35;
	text-align: center;
	text-decoration: none !important;
	transition: transform 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}

.single-post .cbs-amazon-cta a:hover {
	background: #063c38;
	box-shadow: 0 14px 28px rgba(8, 76, 71, 0.24);
	transform: translateY(-2px);
}

.single-post .entry-content blockquote {
	margin: 2.5rem 0;
	padding: 1.4rem 1.6rem;
	border-left: 5px solid var(--cbs-gold);
	background: var(--cbs-paper);
	color: var(--cbs-ink);
	font-family: "Newsreader", Georgia, serif;
	font-size: 1.35rem;
	line-height: 1.55;
}

.single-post .entry-content table {
	width: 100%;
	margin: 2rem 0;
	overflow: hidden;
	border: 1px solid var(--cbs-line);
	border-collapse: separate;
	border-spacing: 0;
	border-radius: 14px;
	font-size: 0.92rem;
}

.single-post .entry-content th {
	background: var(--cbs-teal-deep);
	color: #ffffff;
	font-weight: 700;
	text-align: left;
}

.single-post .entry-content th,
.single-post .entry-content td {
	padding: 0.85rem 1rem;
	border-right: 0;
	border-bottom: 1px solid var(--cbs-line);
}

.single-post .entry-content tr:last-child td {
	border-bottom: 0;
}

.single-post .navigation.post-navigation {
	max-width: 1040px;
	margin: 2rem auto 0;
	padding: 0;
}

.single-post .post-navigation a {
	display: block;
	padding: 1rem 1.2rem;
	border: 1px solid var(--cbs-line);
	border-radius: 14px;
	background: #ffffff;
	color: var(--cbs-teal-deep);
	font-family: "Public Sans", sans-serif;
	font-weight: 700;
	text-decoration: none;
}

.single-post :focus-visible {
	outline: 3px solid var(--cbs-gold);
	outline-offset: 4px;
}

@media (max-width: 720px) {
	.single-post .site-content {
		padding-right: 0.8rem;
		padding-left: 0.8rem;
	}

	.single-post article.ast-article-single {
		padding: 2.5rem 1.25rem 2rem;
		border-radius: 20px;
	}

	.single-post .entry-title {
		font-size: clamp(2.25rem, 12vw, 3.25rem);
	}

	.single-post .entry-meta {
		font-size: 0.7rem;
	}

	.single-post .entry-content {
		font-size: 1.02rem;
		line-height: 1.75;
	}

	.single-post .entry-content table {
		display: block;
		overflow-x: auto;
		white-space: nowrap;
	}

	.single-post .cbs-amazon-cta a {
		width: 100%;
	}
}

@media (prefers-reduced-motion: reduce) {
	.single-post *,
	.single-post *::before,
	.single-post *::after {
		scroll-behavior: auto !important;
		transition-duration: 0.01ms !important;
	}
}