/**
 * Shared component library (spec §4.4) — Premium Editorial styling from
 * docs/premium-editorial/ mockups: white surfaces on paper, sharp corners,
 * serif numerals, semantic score colors (≥6.5 good · ≥5 caution · poor),
 * gold best-in-class treatment, tinted category chips.
 */

/* ── Badge / tags ─────────────────────────────────────────────────── */

.bc-badge {
	display: inline-flex;
	align-items: center;
	font-size: 9px;
	letter-spacing: 0.09em;
	text-transform: uppercase;
	font-weight: 700;
	border: 1px solid currentColor;
	padding: 2px 7px;
	white-space: nowrap;
}
.bc-badge--editors-choice, .bc-badge--best, .bc-badge--featured { color: var(--gold); border-color: var(--gold-border); }
.bc-badge--sponsored, .bc-badge--new { color: var(--gold); border-color: var(--gold-border); }
.bc-badge--ad { color: var(--faint); border-color: var(--rule-strong); }

/* Tinted category chip (type dots from the listicle mockup).
   Templates set one custom property: style="--chip-c:#35607a" */
.bc-chip--tinted {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-size: 10px;
	font-weight: 600;
	letter-spacing: 0.07em;
	text-transform: uppercase;
	padding: 3px 9px;
	border-radius: var(--radius-ctl);
	color: var(--chip-c, var(--muted));
	background: color-mix(in srgb, var(--chip-c, var(--muted)) 7%, transparent);
	border: 1px solid color-mix(in srgb, var(--chip-c, var(--muted)) 24%, transparent);
}
.bc-chip__dot { width: 7px; height: 7px; border-radius: 50%; flex: none; display: inline-block; background: currentColor; }

/* ── Rank badge ───────────────────────────────────────────────────── */

.bc-rank {
	font-family: var(--font-serif);
	font-size: 40px;
	font-weight: 600;
	line-height: 0.9;
	color: var(--faint);
	min-width: 34px;
	font-variant-numeric: tabular-nums;
}
.bc-rank--top { color: var(--ink); }

/* ── Score display (semantic colors set inline via --score-c) ─────── */

.bc-score { display: inline-flex; align-items: baseline; gap: 8px; }
.bc-score__num {
	font-family: var(--font-serif);
	font-weight: 600;
	font-size: 23px;
	line-height: 1;
	color: var(--score-c, var(--ink));
	font-variant-numeric: tabular-nums;
}
.bc-score--lg .bc-score__num { font-size: 34px; }
.bc-score__outof { font-size: 11px; color: var(--faint); }
.bc-stars { position: relative; display: inline-block; line-height: 1; font-size: 13px; letter-spacing: 2px; color: var(--rule-strong); }
.bc-score--lg .bc-stars { font-size: 15px; }
.bc-stars__fill {
	position: absolute;
	inset: 0;
	overflow: hidden;
	white-space: nowrap;
	color: var(--score-c, var(--teal));
}
.bc-score__bar {
	display: block;
	width: 96px; height: 4px;
	background: var(--rule);
	overflow: hidden;
	margin-top: 8px;
}
.bc-score__bar i { display: block; height: 100%; background: var(--score-c, var(--teal)); }

/* ── Sub-score bars (methodology style: bordered tracks) ──────────── */

.bc-subscores { display: grid; gap: 14px; max-width: 560px; }
.bc-subscores__row {
	display: grid;
	grid-template-columns: minmax(120px, 200px) 1fr 46px;
	align-items: center;
	gap: 16px;
}
.bc-subscores__label { font-size: 14px; font-weight: 600; color: var(--ink); }
.bc-subscores__weight { font-size: 11px; color: var(--faint); margin-left: 7px; font-weight: 400; }
.bc-subscores__num { font-size: 12.5px; color: var(--muted); text-align: right; font-variant-numeric: tabular-nums; }
.bc-subscores__track {
	height: 8px;
	background: var(--paper-2);
	border: 1px solid var(--rule);
	overflow: hidden;
}
.bc-subscores__fill { display: block; height: 100%; background: var(--teal); }

/* ── Spec chips ───────────────────────────────────────────────────── */

.bc-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.bc-chip {
	display: inline-flex;
	align-items: center;
	gap: 7px;
	border: 1px solid var(--rule);
	background: var(--surface);
	padding: 5px 10px;
	font-size: 12.5px;
}
.bc-chip__label {
	font-size: 9px;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--muted);
}
.bc-chip__value { font-weight: 600; color: var(--ink); white-space: nowrap; }

/* ── Platform card ────────────────────────────────────────────────── */

.bc-card {
	border: 1px solid var(--rule);
	background: var(--surface);
	padding: 20px;
	display: grid;
	gap: 12px;
}
.bc-card--highlight { border-color: var(--rule-strong); border-top: 3px solid var(--gold); }
.bc-card__head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.bc-card__logo {
	width: 40px; height: 40px;
	background: var(--paper-2);
	border: 1px solid var(--rule);
	display: grid;
	place-items: center;
	font-weight: 700;
	font-size: 13px;
	color: var(--muted);
	flex: none;
	overflow: hidden;
}
.bc-card__logo img { width: 100%; height: 100%; object-fit: cover; }
.bc-card__id { min-width: 0; margin-right: auto; }
.bc-card__name { font-size: 16px; font-weight: 700; line-height: 1.2; color: var(--ink); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.bc-card__name a:hover { color: var(--teal); }
.bc-card__cat {
	font-size: 12.5px;
	color: var(--muted);
	margin-top: 3px;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}
.bc-card__score { text-align: right; flex: none; margin-left: auto; }
.bc-card__score .bc-score__bar { width: 72px; margin-left: auto; }
.bc-card__blurb { margin: 0; font-size: 13.5px; color: var(--muted); line-height: 1.55; }
.bc-card__foot { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

/* ── CTA pair ─────────────────────────────────────────────────────── */

.bc-ctapair { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.bc-ctapair .bc-btn--ghost {
	border: none;
	padding: 0;
	color: var(--teal);
	font-weight: 600;
	text-decoration: underline;
	text-underline-offset: 3px;
	background: none;
}
.bc-ctapair .bc-btn--ghost:hover { background: none; color: var(--teal-hover); }

/* ── Comparison table ─────────────────────────────────────────────── */

.bc-tablewrap {
	border: 1px solid var(--rule-strong);
	background: var(--surface);
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
}
.bc-table { width: 100%; border-collapse: collapse; min-width: 560px; font-size: 14.5px; }
.bc-table caption {
	text-align: left;
	padding: 12px 16px;
	font-size: 10px;
	font-weight: 700;
	letter-spacing: 0.11em;
	text-transform: uppercase;
	color: var(--muted);
	border-bottom: 1px solid var(--rule-strong);
}
.bc-table th {
	font-size: 10px;
	font-weight: 700;
	letter-spacing: 0.11em;
	text-transform: uppercase;
	color: var(--muted);
	text-align: left;
	padding: 12px 16px;
	border-bottom: 1px solid var(--rule-strong);
	white-space: nowrap;
}
.bc-table td {
	padding: 13px 16px;
	border-top: 1px solid var(--rule);
	font-size: 13.5px;
	color: var(--body);
	vertical-align: top;
}
.bc-table tbody tr:first-child td { border-top: none; }
.bc-table td:first-child { font-weight: 600; color: var(--ink); white-space: nowrap; }
.bc-table .is-winner { color: var(--ink); font-weight: 600; }
.bc-table .is-winner::before { content: "✓ "; color: var(--good); font-weight: 700; }

/* ── Key takeaways / callouts (editorial left-rule box) ───────────── */

.bc-takeaways {
	border: 1px solid var(--rule);
	border-left: 3px solid var(--teal);
	background: var(--surface);
	padding: 20px 24px;
}
.bc-takeaways .bc-kicker { color: var(--teal); }
.bc-takeaways ul { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 10px; }
.bc-takeaways li {
	display: grid;
	grid-template-columns: 20px 1fr;
	gap: 12px;
	font-size: 14.5px;
	line-height: 1.6;
	color: var(--body);
}
.bc-takeaways li::before { content: "→"; color: var(--teal); font-weight: 700; }

/* ── Jump-link TOC ("On this page") ───────────────────────────────── */

.bc-toc { border: 1px solid var(--rule); background: var(--paper); padding: 0; }
.bc-toc .bc-kicker { padding: 13px 16px; border-bottom: 1px solid var(--rule); letter-spacing: 0.1em; }
.bc-toc ol { list-style: none; margin: 0; padding: 6px 0; display: block; }
.bc-toc a {
	display: block;
	padding: 7px 16px;
	font-size: 13.5px;
	color: var(--body);
}
.bc-toc a::before { content: none; }
.bc-toc a:hover { color: var(--teal); }
.bc-toc a.is-active { color: var(--teal); font-weight: 600; }

/* ── FAQ (serif questions, ruled rows — native details kept) ─────── */

.bc-faq { display: block; }
.bc-faq__item { border-bottom: 1px solid var(--rule); }
.bc-faq__item summary {
	list-style: none;
	cursor: pointer;
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 14px;
	padding: 20px 0 18px;
	font-family: var(--font-serif);
	font-size: 19px;
	font-weight: 600;
	color: var(--ink);
}
.bc-faq__item summary::-webkit-details-marker { display: none; }
.bc-faq__item summary::after {
	content: "+";
	font-size: 17px;
	color: var(--faint);
	flex: none;
	transition: transform 0.15s ease;
}
.bc-faq__item[open] summary::after { transform: rotate(45deg); color: var(--teal); }
.bc-faq__a { padding: 0 0 20px; font-size: 15px; color: var(--body); line-height: 1.68; max-width: 72ch; }
.bc-faq__a p { margin: 0 0 0.7em; }
.bc-faq__a p:last-child { margin-bottom: 0; }

/* ── Author box ───────────────────────────────────────────────────── */

.bc-author {
	display: flex;
	gap: 14px;
	align-items: flex-start;
	border-top: 1px solid var(--rule);
	border-bottom: 1px solid var(--rule);
	padding: 18px 0;
}
.bc-author__avatar {
	width: 44px; height: 44px;
	border-radius: 50%;
	background: var(--paper-2);
	border: 1px solid var(--rule-strong);
	display: grid;
	place-items: center;
	font-size: 12px;
	font-weight: 700;
	color: var(--muted);
	flex: none;
	overflow: hidden;
}
.bc-author__avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.bc-author__name { font-size: 15px; font-weight: 700; color: var(--ink); }
.bc-author__role { font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--faint); margin-top: 2px; }
.bc-author__bio { margin: 8px 0 0; font-size: 13.5px; color: var(--muted); line-height: 1.55; }

/* ── Newsletter ───────────────────────────────────────────────────── */

.bc-news { border: 1px solid var(--rule-strong); background: var(--paper-2); padding: 20px; }
.bc-news .bc-kicker { color: var(--teal); letter-spacing: 0.12em; }
.bc-news__head {
	font-family: var(--font-serif);
	font-weight: 600;
	font-size: 18px;
	line-height: 1.25;
	color: var(--ink);
	display: block;
	margin-top: 8px;
}
.bc-news__form { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.bc-news__form input {
	flex: 1;
	min-width: 160px;
	background: var(--surface);
	border: 1px solid var(--rule-strong);
	border-radius: var(--radius-ctl);
	padding: 10px 12px;
	color: var(--ink);
	font-size: 13px;
	font-family: inherit;
}
.bc-news__fine { margin: 10px 0 0; font-size: 11.5px; color: var(--faint); }

.bc-news--band { border: none; background: none; padding: 0; margin-top: 52px; }
.bc-news--band .bc-news__in {
	border: 1px solid var(--rule-strong);
	background: var(--surface);
	padding: 34px;
	display: grid;
	grid-template-columns: 1.2fr 1fr;
	gap: 32px;
	align-items: center;
}
.bc-news--band .bc-news__head { font-size: 28px; line-height: 1.1; margin-top: 9px; }
.bc-news--band .bc-news__sub { margin: 10px 0 0; font-size: 14.5px; color: var(--muted); max-width: 52ch; }
.bc-news--band .bc-news__form input { padding: 12px 14px; font-size: 14px; }
@media (max-width: 900px) {
	.bc-news--band .bc-news__in { grid-template-columns: 1fr; gap: 20px; padding: 24px; }
}

/* ── Disclosure bar ───────────────────────────────────────────────── */

.bc-disclosure {
	display: flex;
	align-items: center;
	gap: 10px;
	border-block: 1px solid var(--rule);
	padding: 10px 0;
	font-size: 12px;
	color: var(--muted);
	line-height: 1.5;
}
.bc-disclosure a { color: var(--teal); text-decoration: underline; text-underline-offset: 2px; }

/* ── Breadcrumb (uppercase, slash separators) ─────────────────────── */

.bc-breadcrumb ol {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px;
	font-size: 11px;
	font-weight: 600;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--faint);
}
.bc-breadcrumb li { display: flex; align-items: center; gap: 8px; min-width: 0; }
.bc-breadcrumb li + li::before { content: "/"; color: var(--rule-strong); }
.bc-breadcrumb a { color: var(--muted); }
.bc-breadcrumb a:hover { color: var(--teal); }
.bc-breadcrumb [aria-current] { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 34ch; }

/* ── Ad zones ─────────────────────────────────────────────────────── */

.bc-adzone { text-align: center; }
.bc-adzone__label {
	margin: 0 0 7px;
	font-size: 9px;
	font-weight: 600;
	letter-spacing: 0.24em;
	text-transform: uppercase;
	color: var(--faint);
}
.bc-adzone--footer { padding: 26px 24px 0; max-width: var(--maxw); margin: 0 auto; }
.bc-adzone__placeholder {
	border: 1px dashed var(--rule-strong);
	background: var(--surface);
	padding: 26px;
	font-size: 11px;
	letter-spacing: 0.08em;
	color: var(--faint);
}

/* ── Article / page templates ─────────────────────────────────────── */

.bc-article__kicker { margin-top: 18px; }
.bc-article__figure { margin: 0 0 24px; }
.bc-article__figure img {
	width: 100%;
	aspect-ratio: 16 / 9;
	object-fit: cover;
	border: 1px solid var(--rule);
}
.bc-article__figure figcaption { margin-top: 8px; font-size: 12px; color: var(--faint); }
.bc-article__afterbody { display: grid; gap: 24px; margin-top: 34px; }
.bc-page__prose { margin-top: 22px; }
.bc-methodology__vertical {
	font-family: var(--font-serif);
	font-size: 24px;
	color: var(--ink);
	margin: 36px 0 14px;
}

/* Rail list (related articles) */
.bc-raillist { border: 1px solid var(--rule); background: var(--paper); }
.bc-raillist__head { padding: 13px 16px; border-bottom: 1px solid var(--rule); letter-spacing: 0.1em; }
.bc-raillist ol { list-style: none; margin: 0; padding: 0 16px; }
.bc-raillist li { border-top: 1px solid var(--rule); }
.bc-raillist li:first-child { border-top: none; }
.bc-raillist a { display: block; padding: 12px 0; }
.bc-raillist__meta { font-size: 10px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--teal); }
.bc-raillist__title { display: block; margin-top: 5px; font-family: var(--font-serif); font-size: 16px; font-weight: 600; line-height: 1.25; color: var(--ink); }

/* Author hero */
.bc-authorhero { display: flex; gap: 18px; align-items: flex-start; padding-bottom: 26px; border-bottom: 2px solid var(--ink); margin-bottom: 8px; }
.bc-authorhero__avatar img { border-radius: 50%; border: 1px solid var(--rule-strong); }
.bc-authorhero__name { font-family: var(--font-serif); font-size: clamp(26px, 3vw, 34px); color: var(--ink); margin-top: 4px; }
.bc-authorhero__bio { color: var(--muted); max-width: 62ch; margin: 10px 0 0; }

/* Search page + 404 */
.bc-search__form--page { max-width: 560px; margin-bottom: 26px; }
.bc-404__sub { max-width: 52ch; margin: 12px 0 24px; }
.bc-404__links { display: flex; gap: 4px 18px; flex-wrap: wrap; margin-top: 8px; }
.bc-404__links a { font-size: 12px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.bc-404__links a:hover { color: var(--teal); }

/* ── Expander (generic) ───────────────────────────────────────────── */

.bc-expander__body { display: none; }
.bc-expander.is-open .bc-expander__body { display: block; }
.bc-expander__toggle {
	background: none;
	border: none;
	padding: 0;
	color: var(--teal);
	font-size: 12.5px;
	font-weight: 600;
	text-decoration: underline;
	text-underline-offset: 3px;
	cursor: pointer;
}