.trb {
	--trb-accent: #6d5efc;
	--trb-accent-dark: #5546c9;
	--trb-ink: #16162e;
	--trb-muted: #63637d;
	--trb-line: #e8e8f2;
	--trb-surface: #ffffff;
	--trb-bg: #f6f6fb;
	--trb-radius: 16px;
	--trb-shadow: 0 12px 32px -16px rgba(22, 22, 46, 0.28);
	--trb-shadow-lg: 0 24px 60px -24px rgba(22, 22, 46, 0.4);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	font-size: 16px;
	line-height: 1.55;
	color: var(--trb-ink);
	box-sizing: border-box;
}

.trb *,
.trb *::before,
.trb *::after {
	box-sizing: inherit;
}

.trb .trb-ico {
	flex: none;
	display: inline-block;
	vertical-align: middle;
}

.trb-container {
	max-width: 1180px;
	margin: 0 auto;
	padding: 0 20px;
}

.trb-muted {
	color: var(--trb-muted);
}

.trb p {
	margin: 0;
}

/* Banner */
.trb-banner {
	position: relative;
	overflow: hidden;
	border-radius: 22px;
	margin: 28px 0 40px;
	padding: clamp(32px, 6vw, 72px);
	background-color: #17153a;
	background-image:
		radial-gradient(1100px 420px at 12% -10%, rgba(255, 255, 255, 0.16), transparent 60%),
		linear-gradient(135deg, var(--trb-accent), var(--trb-accent-dark) 65%, #1d1a47);
	background-size: cover;
	background-position: center;
	color: #fff;
}

.trb-banner__inner {
	position: relative;
	z-index: 1;
	max-width: 640px;
}

.trb-banner__eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 6px 14px;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.14);
	border: 1px solid rgba(255, 255, 255, 0.22);
	font-size: 13px;
	font-weight: 600;
	letter-spacing: 0.04em;
	text-transform: uppercase;
}

.trb-banner__title {
	margin: 18px 0 12px;
	font-size: clamp(30px, 4.4vw, 46px);
	line-height: 1.12;
	font-weight: 800;
	letter-spacing: -0.02em;
	color: #fff;
}

.trb-banner__text {
	margin: 0 0 26px !important;
	font-size: clamp(15px, 1.6vw, 18px);
	color: rgba(255, 255, 255, 0.86);
	max-width: 54ch;
}

.trb-banner__actions {
	display: flex;
	align-items: center;
	gap: 22px;
	flex-wrap: wrap;
}

.trb-banner__stats {
	display: flex;
	gap: 26px;
	flex-wrap: wrap;
}

.trb-banner__stats span {
	display: flex;
	flex-direction: column;
	font-size: 12.5px;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: rgba(255, 255, 255, 0.72);
}

.trb-banner__stats strong {
	font-size: 23px;
	font-weight: 800;
	color: #fff;
	line-height: 1.2;
}

/* Buttons */
.trb-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 10px 18px;
	border-radius: 11px;
	border: 1px solid transparent;
	font-size: 14px;
	font-weight: 600;
	line-height: 1.4;
	text-decoration: none !important;
	cursor: pointer;
	transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
	background: none;
}

.trb-btn--lg {
	padding: 13px 24px;
	font-size: 15px;
	border-radius: 13px;
}

.trb-btn--sm {
	padding: 7px 13px;
	font-size: 13px;
	border-radius: 9px;
}

.trb-btn--primary {
	background: var(--trb-accent);
	color: #fff !important;
	box-shadow: 0 10px 22px -12px var(--trb-accent);
}

.trb-btn--primary:hover {
	background: var(--trb-accent-dark);
	transform: translateY(-1px);
}

.trb-btn--ghost {
	background: var(--trb-surface);
	color: var(--trb-ink) !important;
	border-color: var(--trb-line);
}

.trb-btn--ghost:hover {
	border-color: var(--trb-accent);
	color: var(--trb-accent) !important;
	transform: translateY(-1px);
}

.trb-btn--light {
	background: #fff;
	color: var(--trb-accent-dark) !important;
	box-shadow: 0 14px 30px -14px rgba(0, 0, 0, 0.5);
}

.trb-btn--light:hover {
	transform: translateY(-1px);
	background: #f3f2ff;
}

.trb-btn.is-disabled {
	background: var(--trb-line);
	color: var(--trb-muted) !important;
	cursor: default;
	box-shadow: none;
}

.trb-btn:focus-visible,
.trb-chip:focus-visible,
.trb-modal__close:focus-visible,
.trb-reader__close:focus-visible,
.trb-card__cover:focus-visible {
	outline: 2px solid var(--trb-accent);
	outline-offset: 2px;
}

/* Explore section */
.trb-explore {
	scroll-margin-top: 40px;
}

.trb-explore__head {
	display: flex;
	align-items: flex-end;
	justify-content: space-between;
	gap: 20px;
	margin-bottom: 18px;
}

.trb-explore__title {
	margin: 0 0 4px;
	font-size: clamp(24px, 3vw, 32px);
	font-weight: 800;
	letter-spacing: -0.02em;
	color: var(--trb-ink);
}

.trb-explore__sub {
	color: var(--trb-muted);
	font-size: 14.5px;
}

.trb-toolbar {
	display: flex;
	align-items: center;
	gap: 12px;
	flex-wrap: wrap;
	margin: 18px 0;
}

.trb-search {
	position: relative;
	display: flex;
	align-items: center;
	gap: 9px;
	flex: 1 1 260px;
	max-width: 420px;
	padding: 0 14px;
	background: var(--trb-surface);
	border: 1px solid var(--trb-line);
	border-radius: 12px;
	color: var(--trb-muted);
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.trb-search:focus-within {
	border-color: var(--trb-accent);
	box-shadow: 0 0 0 3px rgba(109, 94, 252, 0.14);
}

.trb-search__input {
	flex: 1;
	border: 0 !important;
	background: transparent !important;
	padding: 11px 0 !important;
	font-size: 14px;
	color: var(--trb-ink);
	outline: none;
	box-shadow: none !important;
	min-width: 0;
}

.trb-order select {
	appearance: none;
	-webkit-appearance: none;
	padding: 11px 38px 11px 14px;
	border: 1px solid var(--trb-line);
	border-radius: 12px;
	background-color: var(--trb-surface);
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2363637d' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right 13px center;
	font-size: 14px;
	color: var(--trb-ink);
	cursor: pointer;
}

.trb-chips {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: 22px;
}

.trb-chip {
	display: inline-flex;
	align-items: center;
	gap: 7px;
	padding: 7px 14px;
	border-radius: 999px;
	border: 1px solid var(--trb-line);
	background: var(--trb-surface);
	color: var(--trb-ink) !important;
	font-size: 13.5px;
	font-weight: 600;
	text-decoration: none !important;
	transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.trb-chip:hover {
	border-color: var(--trb-accent);
	color: var(--trb-accent) !important;
}

.trb-chip.is-active {
	background: var(--trb-accent);
	border-color: var(--trb-accent);
	color: #fff !important;
}

.trb-chip__count {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 20px;
	height: 20px;
	padding: 0 6px;
	border-radius: 999px;
	background: rgba(0, 0, 0, 0.08);
	font-size: 11.5px;
}

.trb-chip.is-active .trb-chip__count {
	background: rgba(255, 255, 255, 0.22);
}

/* Grid & cards */
.trb-grid {
	display: grid;
	grid-template-columns: repeat(var(--trb-cols, 3), minmax(0, 1fr));
	gap: 22px;
}

.trb-grid__empty {
	grid-column: 1 / -1;
	padding: 46px 20px;
	text-align: center;
	color: var(--trb-muted);
	background: var(--trb-surface);
	border: 1px dashed var(--trb-line);
	border-radius: var(--trb-radius);
}

.trb-card {
	display: flex;
	flex-direction: column;
	background: var(--trb-surface);
	border: 1px solid var(--trb-line);
	border-radius: var(--trb-radius);
	overflow: hidden;
	box-shadow: 0 1px 2px rgba(22, 22, 46, 0.04);
	transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.trb-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--trb-shadow);
	border-color: rgba(109, 94, 252, 0.35);
}

.trb-card__cover {
	position: relative;
	display: block;
	aspect-ratio: 3 / 4;
	max-height: 320px;
	overflow: hidden;
	background: linear-gradient(160deg, var(--trb-ph-a, #7c6cff), var(--trb-ph-b, #4338ca));
}

.trb-card__cover img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.35s ease;
}

.trb-card:hover .trb-card__cover img {
	transform: scale(1.045);
}

.trb-card__placeholder {
	position: absolute;
	inset: 0;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 12px;
	padding: 22px;
	text-align: center;
	color: #fff;
}

.trb-card__initial {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 74px;
	height: 74px;
	border-radius: 20px;
	background: rgba(255, 255, 255, 0.16);
	border: 1px solid rgba(255, 255, 255, 0.26);
	font-size: 38px;
	font-weight: 800;
	line-height: 1;
}

.trb-card__ph-title {
	font-size: 14px;
	font-weight: 600;
	opacity: 0.92;
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.trb-card__badge {
	position: absolute;
	top: 12px;
	left: 12px;
	padding: 5px 11px;
	border-radius: 999px;
	background: rgba(15, 13, 40, 0.72);
	backdrop-filter: blur(6px);
	color: #fff;
	font-size: 11.5px;
	font-weight: 700;
	letter-spacing: 0.04em;
	text-transform: uppercase;
}

.trb-card__overlay {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	background: rgba(13, 11, 35, 0.5);
	color: #fff;
	font-size: 14px;
	font-weight: 700;
	opacity: 0;
	transition: opacity 0.2s ease;
}

.trb-card:hover .trb-card__overlay {
	opacity: 1;
}

.trb-card__body {
	display: flex;
	flex-direction: column;
	gap: 8px;
	flex: 1;
	padding: 18px 18px 20px;
}

.trb-card__title {
	margin: 0;
	font-size: 17px;
	font-weight: 700;
	line-height: 1.3;
}

.trb-card__title a {
	color: var(--trb-ink) !important;
	text-decoration: none !important;
}

.trb-card__title a:hover {
	color: var(--trb-accent) !important;
}

.trb-card__author {
	font-size: 13.5px;
	font-weight: 600;
	color: var(--trb-accent-dark);
}

.trb-card__meta {
	display: flex;
	align-items: center;
	gap: 7px;
	font-size: 12.5px;
	color: var(--trb-muted);
}

.trb-card__excerpt {
	font-size: 13.5px;
	color: var(--trb-muted);
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.trb-card__actions {
	display: flex;
	gap: 9px;
	flex-wrap: wrap;
	margin-top: auto;
	padding-top: 12px;
}

.trb-card__actions .trb-btn {
	flex: 1 1 auto;
}

.trb-stats {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.trb-stat {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 5px 11px;
	border-radius: 999px;
	background: var(--trb-bg);
	border: 1px solid var(--trb-line);
	color: var(--trb-muted);
	font-size: 12.5px;
	font-weight: 600;
}

.trb-stat__num {
	color: var(--trb-ink);
}

/* Pagination */
.trb-pagination {
	margin-top: 34px;
	text-align: center;
}

.trb-pagination ul {
	display: inline-flex;
	flex-wrap: wrap;
	gap: 6px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.trb-pagination .page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 38px;
	height: 38px;
	padding: 0 12px;
	border-radius: 10px;
	border: 1px solid var(--trb-line);
	background: var(--trb-surface);
	color: var(--trb-ink);
	font-size: 14px;
	font-weight: 600;
	text-decoration: none;
}

.trb-pagination .page-numbers.current,
.trb-pagination .page-numbers:hover {
	background: var(--trb-accent);
	border-color: var(--trb-accent);
	color: #fff;
}

.trb-empty {
	display: none;
	margin-top: 26px;
	padding: 28px;
	text-align: center;
	color: var(--trb-muted);
	background: var(--trb-surface);
	border: 1px dashed var(--trb-line);
	border-radius: var(--trb-radius);
}

.trb-empty.is-visible {
	display: block;
}

/* Single book */
.trb-main {
	display: block;
}

.trb-single {
	padding-bottom: 60px;
}

.trb-back {
	display: inline-flex;
	align-items: center;
	gap: 7px;
	margin: 26px 0 18px;
	font-size: 14px;
	font-weight: 600;
	color: var(--trb-muted) !important;
	text-decoration: none !important;
}

.trb-back:hover {
	color: var(--trb-accent) !important;
}

.trb-single__hero {
	display: grid;
	grid-template-columns: minmax(240px, 340px) minmax(0, 1fr);
	gap: clamp(24px, 4vw, 48px);
	align-items: start;
	padding: clamp(22px, 3.5vw, 40px);
	background: var(--trb-surface);
	border: 1px solid var(--trb-line);
	border-radius: 22px;
	box-shadow: var(--trb-shadow);
}

.trb-single__cover {
	position: relative;
	aspect-ratio: 3 / 4;
	border-radius: 16px;
	overflow: hidden;
	background: linear-gradient(160deg, var(--trb-ph-a, #7c6cff), var(--trb-ph-b, #4338ca));
	box-shadow: var(--trb-shadow-lg);
}

.trb-single__cover img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.trb-single__info {
	display: flex;
	flex-direction: column;
	gap: 14px;
	min-width: 0;
}

.trb-single__terms {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.trb-single__title {
	margin: 0;
	font-size: clamp(26px, 3.6vw, 40px);
	font-weight: 800;
	line-height: 1.15;
	letter-spacing: -0.02em;
	color: var(--trb-ink);
}

.trb-single__author {
	font-size: 16.5px;
	font-weight: 600;
	color: var(--trb-accent-dark);
}

.trb-single__facts {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.trb-single__facts span {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 6px 12px;
	border-radius: 10px;
	background: var(--trb-bg);
	border: 1px solid var(--trb-line);
	font-size: 13px;
	font-weight: 600;
	color: var(--trb-muted);
}

.trb-single__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-top: 6px;
}

.trb-single__body {
	max-width: 780px;
	margin: 40px auto 0;
	font-size: 16.5px;
	line-height: 1.75;
}

.trb-single__body > * + * {
	margin-top: 1em;
}

.trb-related {
	margin-top: 56px;
}

.trb-related .trb-explore__title {
	margin-bottom: 20px;
}

/* Inline reader */
.trb-reader {
	margin-top: 34px;
	border: 1px solid var(--trb-line);
	border-radius: 18px;
	overflow: hidden;
	background: var(--trb-surface);
	box-shadow: var(--trb-shadow);
}

.trb-reader__bar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 14px;
	flex-wrap: wrap;
	padding: 12px 16px;
	background: var(--trb-bg);
	border-bottom: 1px solid var(--trb-line);
}

.trb-reader__label {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-size: 14px;
	font-weight: 700;
}

.trb-reader__actions {
	display: flex;
	align-items: center;
	gap: 10px;
}

.trb-reader__close {
	border: 0;
	background: none;
	padding: 4px;
	font-size: 13.5px;
	font-weight: 600;
	color: var(--trb-muted);
	cursor: pointer;
}

.trb-reader__close:hover {
	color: #d63638;
}

.trb-reader__frame iframe {
	display: block;
	width: 100%;
	height: min(80vh, 880px);
	border: 0;
	background: #525659;
}

/* Modal reader */
html.trb-no-scroll {
	overflow: hidden;
}

.trb-modal {
	display: none;
	position: fixed;
	inset: 0;
	z-index: 100000;
}

.trb-modal.is-open {
	display: block;
}

.trb-modal__backdrop {
	position: absolute;
	inset: 0;
	background: rgba(10, 9, 26, 0.72);
	backdrop-filter: blur(4px);
}

.trb-modal__dialog {
	position: relative;
	display: flex;
	flex-direction: column;
	width: min(1180px, 96vw);
	height: 92vh;
	margin: 4vh auto;
	background: var(--trb-surface);
	border-radius: 18px;
	overflow: hidden;
	box-shadow: 0 40px 90px -30px rgba(0, 0, 0, 0.6);
}

.trb-modal__bar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 12px 16px;
	border-bottom: 1px solid var(--trb-line);
	background: var(--trb-surface);
}

.trb-modal__meta {
	display: flex;
	align-items: center;
	gap: 14px;
	min-width: 0;
}

.trb-modal__title {
	font-size: 16px;
	font-weight: 700;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.trb-modal__stats {
	display: flex;
	gap: 8px;
}

.trb-modal__actions {
	display: flex;
	align-items: center;
	gap: 10px;
	flex: none;
}

.trb-modal__close {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 38px;
	height: 38px;
	border-radius: 10px;
	border: 1px solid var(--trb-line);
	background: var(--trb-surface);
	color: var(--trb-ink);
	cursor: pointer;
	transition: background-color 0.15s ease, color 0.15s ease;
}

.trb-modal__close:hover {
	background: #f1f0f8;
}

.trb-modal__frame {
	flex: 1;
	position: relative;
	background: #525659;
}

.trb-modal__frame iframe {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	border: 0;
}

/* Responsive */
@media (max-width: 980px) {
	.trb-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.trb-single__hero {
		grid-template-columns: 1fr;
	}

	.trb-single__cover {
		max-width: 320px;
	}
}

@media (max-width: 600px) {
	.trb-grid {
		grid-template-columns: 1fr;
	}

	.trb-banner {
		border-radius: 16px;
	}

	.trb-banner__stats {
		gap: 18px;
	}

	.trb-modal__dialog {
		width: 100vw;
		height: 100vh;
		margin: 0;
		border-radius: 0;
	}

	.trb-modal__stats {
		display: none;
	}

	.trb-card__actions .trb-btn {
		flex: 1 1 100%;
	}
}

@media (prefers-reduced-motion: reduce) {
	.trb *,
	.trb *::before,
	.trb *::after {
		transition-duration: 0.01ms !important;
		animation-duration: 0.01ms !important;
	}
}