/* ===========================================
   BLOG COMPONENTS — shared MDX component library
   Prefix: .bc-
   Import in BlogPost.astro only (not base)

   Replaces per-article prefixed duplicates:
     .ac-, .eml-, .int-, .img-, .aut-, .seo-,
     .smm-, .vid-, .rep-, etc.
   =========================================== */

/* ── Quiz ─────────────────────────────────────────────────────────────── */

.prose .bc-quiz {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 2rem 0;
}

.prose .bc-quiz__q {
  font-weight: 700;
  font-size: 1.05rem;
  margin: 0 0 1rem;
  color: var(--ink);
}

.prose .bc-quiz__opts {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.prose .bc-quiz__opt {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.75rem 1rem;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  cursor: pointer;
  font-size: 0.95rem;
  transition: background 0.15s, border-color 0.15s;
  min-height: 44px;
}

.prose .bc-quiz__opt:hover:not(:disabled) {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.prose .bc-quiz__opt--correct {
  background: var(--success-bg);
  border-color: var(--success);
  color: var(--success-text);
}

.prose .bc-quiz__opt--wrong {
  background: var(--danger-bg);
  border-color: var(--danger);
  color: var(--danger-text);
}

.prose .bc-quiz__opt[disabled] {
  pointer-events: none;
}

.prose .bc-quiz__feedback {
  display: none;
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: var(--accent-soft);
  border-radius: 8px;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ink);
}

.prose .bc-quiz__feedback.show {
  display: block;
}

.prose .bc-quiz__score {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  margin: 1rem 0 0.5rem;
}

/* ── Bar chart ────────────────────────────────────────────────────────── */

.prose .bc-bar {
  margin: 2rem 0;
}

.prose .bc-bar__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
  font-size: 0.85rem;
}

.prose .bc-bar__name {
  min-width: 130px;
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--ink);
}

.prose .bc-bar__track {
  flex: 1;
  height: 28px;
  background: var(--surface);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}

.prose .bc-bar__fill {
  height: 100%;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  transition: width 0.6s ease;
}

.prose .bc-bar__fill--green  { background: var(--success, #22c55e); }
.prose .bc-bar__fill--yellow { background: var(--warning, #eab308); }
.prose .bc-bar__fill--red    { background: var(--danger, #ef4444); }
.prose .bc-bar__fill--blue   { background: var(--accent, #74c8ff); }
.prose .bc-bar__fill--purple { background: var(--primary, #4F46E5); }

.prose .bc-bar__val {
  min-width: 40px;
  text-align: left;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--ink);
}

@media (max-width: 600px) {
  .prose .bc-bar__name { min-width: 90px; font-size: 0.75rem; }
}

/* ── Card ─────────────────────────────────────────────────────────────── */

.prose .bc-card {
  padding: 1.5rem;
  margin: 1.5rem 0;
  border-radius: 12px;
  background: var(--surface);
  border-left: 4px solid var(--accent);
}

.prose .bc-card h3 {
  margin-top: 0;
  color: var(--accent);
}

.prose .bc-card--primary {
  border-left-color: var(--primary);
}

.prose .bc-card--primary h3 {
  color: var(--primary);
}

.prose .bc-card__price {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  background: var(--accent);
  color: var(--bg);
  margin-bottom: 0.75rem;
}

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

.prose .bc-table-wrap {
  overflow-x: auto;
  margin: 2rem 0;
  -webkit-overflow-scrolling: touch;
}

.prose .bc-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.prose .bc-table th,
.prose .bc-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.prose .bc-table th {
  font-weight: 700;
  color: var(--accent);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--surface);
  position: sticky;
  top: 0;
}

.prose .bc-table td {
  color: var(--ink-soft, var(--ink-muted));
}

.prose .bc-table tr:hover td {
  background: var(--accent-soft);
}

/* Sticky first column option */
.prose .bc-table--sticky-col td:first-child,
.prose .bc-table--sticky-col th:first-child {
  position: sticky;
  left: 0;
  background: var(--bg);
  z-index: 1;
}

/* ── Hero stat ────────────────────────────────────────────────────────── */

.prose .bc-hero-stat {
  text-align: center;
  padding: 2.5rem 1rem;
  margin: 2rem 0;
  background: var(--surface);
  border: 2px solid var(--accent);
  border-radius: 12px;
}

.prose .bc-hero-stat__number {
  display: block;
  font-size: clamp(3rem, 10vw, 5rem);
  font-weight: 800;
  line-height: 1;
  color: var(--accent);
}

.prose .bc-hero-stat__label {
  display: block;
  font-size: 1.1rem;
  margin-top: 0.5rem;
  color: var(--ink);
}

.prose .bc-hero-stat__source {
  display: block;
  font-size: 0.8rem;
  margin-top: 0.5rem;
  color: var(--ink-muted);
}

/* ── Pros / Cons ──────────────────────────────────────────────────────── */

.prose .bc-pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 0.75rem 0;
}

.prose .bc-pros-cons ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.prose .bc-pros-cons li {
  padding: 0.25rem 0;
  font-size: 0.9rem;
}

/* Pros column */
.prose .bc-pros-cons__pros li::before {
  content: "\2713 ";
  color: var(--success);
  font-weight: 700;
}

/* Cons column */
.prose .bc-pros-cons__cons li::before {
  content: "\2717 ";
  color: var(--danger);
  font-weight: 700;
}

@media (max-width: 480px) {
  .prose .bc-pros-cons {
    grid-template-columns: 1fr;
  }
}

/* ── Decision matrix ──────────────────────────────────────────────────── */

.prose .bc-matrix {
  overflow-x: auto;
  margin: 2rem 0;
  -webkit-overflow-scrolling: touch;
}

.prose .bc-matrix table {
  width: 100%;
  min-width: 500px;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.prose .bc-matrix th,
.prose .bc-matrix td {
  padding: 0.6rem 0.75rem;
  text-align: center;
  border: 1px solid var(--line);
}

.prose .bc-matrix th {
  font-weight: 700;
  background: var(--surface);
  color: var(--ink);
}

.prose .bc-matrix td:first-child {
  text-align: left;
  font-weight: 600;
  background: var(--surface);
  color: var(--ink);
}

/* ── Funnel ────────────────────────────────────────────────────────────── */

.prose .bc-funnel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  margin: 2rem 0;
}

.prose .bc-funnel__level {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--ink);
  font-size: 0.9rem;
  text-align: center;
  transition: background 0.2s;
}

.prose .bc-funnel__level:nth-child(1) { width: 100%; }
.prose .bc-funnel__level:nth-child(2) { width: 85%; }
.prose .bc-funnel__level:nth-child(3) { width: 70%; }
.prose .bc-funnel__level:nth-child(4) { width: 55%; }
.prose .bc-funnel__level:nth-child(5) { width: 40%; }
.prose .bc-funnel__level:nth-child(6) { width: 30%; }

.prose .bc-funnel__label {
  font-weight: 600;
}

.prose .bc-funnel__val {
  font-weight: 700;
  color: var(--accent);
}

/* ── Spectrum / Scale ─────────────────────────────────────────────────── */

.prose .bc-spectrum {
  margin: 2rem 0;
  padding: 1rem 0;
}

.prose .bc-spectrum__track {
  position: relative;
  height: 8px;
  background: var(--surface);
  border-radius: 4px;
  margin: 1rem 0;
}

.prose .bc-spectrum__fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(to right, var(--danger), var(--warning), var(--success));
}

.prose .bc-spectrum__marker {
  position: absolute;
  top: 50%;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  transform: translate(-50%, -50%);
  z-index: 1;
}

.prose .bc-spectrum__labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--ink-muted);
  margin-top: 0.5rem;
}

/* ── Info block ────────────────────────────────────────────────────────── */

.prose .bc-info {
  padding: 1.25rem 1.25rem 1.25rem 3rem;
  margin: 1.5rem 0;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--accent-soft);
  position: relative;
  font-size: 0.95rem;
  color: var(--ink);
}

.prose .bc-info::before {
  position: absolute;
  left: 1rem;
  top: 1.25rem;
  font-size: 1.2rem;
  line-height: 1;
}

.prose .bc-info--tip {
  border-color: var(--success-border, var(--success));
  background: var(--success-bg);
}

.prose .bc-info--tip::before {
  content: "\1F4A1";
}

.prose .bc-info--warning {
  border-color: var(--warning-border, var(--warning));
  background: var(--warning-bg);
}

.prose .bc-info--warning::before {
  content: "\26A0\FE0F";
}

.prose .bc-info--danger {
  border-color: var(--danger-border, var(--danger));
  background: var(--danger-bg);
}

.prose .bc-info--danger::before {
  content: "\274C";
}

/* ── Step list ─────────────────────────────────────────────────────────── */

.prose .bc-steps {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
  counter-reset: bc-step;
}

.prose .bc-steps__item {
  position: relative;
  padding: 0 0 1.5rem 3rem;
  counter-increment: bc-step;
}

/* Connector line */
.prose .bc-steps__item::after {
  content: "";
  position: absolute;
  left: 15px;
  top: 2rem;
  bottom: 0;
  width: 2px;
  background: var(--line);
}

.prose .bc-steps__item:last-child::after {
  display: none;
}

/* Step number circle */
.prose .bc-steps__item::before {
  content: counter(bc-step);
  position: absolute;
  left: 0;
  top: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.prose .bc-steps__title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
  margin: 0 0 0.25rem;
}

.prose .bc-steps__desc {
  font-size: 0.9rem;
  color: var(--ink-muted);
  margin: 0;
}

/* ── Checklist ─────────────────────────────────────────────────────────── */

.prose .bc-checklist {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 2rem 0;
}

.prose .bc-checklist h3 {
  margin: 0 0 1rem;
  font-size: 1rem;
}

.prose .bc-checklist__item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  user-select: none;
}

.prose .bc-checklist__item:last-child {
  border-bottom: none;
}

.prose .bc-checklist__item input[type="checkbox"] {
  margin-top: 2px;
  accent-color: var(--accent);
  flex-shrink: 0;
}

.prose .bc-checklist__item label {
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1.4;
  color: var(--ink);
}

.prose .bc-checklist__score {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  background: var(--accent-soft);
  font-size: 0.9rem;
  color: var(--ink);
  display: none;
}

.prose .bc-checklist__score.show {
  display: block;
}

/* ── Picker / Selector ────────────────────────────────────────────────── */

.prose .bc-picker {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 2rem 0;
}

.prose .bc-picker h3 {
  margin: 0 0 1rem;
  font-size: 1rem;
}

.prose .bc-picker select {
  width: 100%;
  padding: 0.6rem 1rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.prose .bc-picker__result {
  padding: 1rem;
  border-radius: 8px;
  background: var(--accent-soft);
  font-size: 0.95rem;
  line-height: 1.6;
  display: none;
}

.prose .bc-picker__result.show {
  display: block;
}

/* ===========================================
   BC-SERIES-NAV — article series navigation
   Variants: default (numbered squares) + --pills
   =========================================== */
.bc-series-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin: var(--sp-6) 0;
  padding: var(--sp-4);
  background: var(--surface);
  border-radius: 8px;
  border: 1px solid var(--line);
}
.bc-series-nav__label {
  width: 100%;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--ink-muted);
  margin-bottom: var(--sp-1);
}
.bc-series-nav__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  padding: 0 var(--sp-2);
  border-radius: 4px;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: 0.875rem;
  text-decoration: none;
  transition: border-color .15s, color .15s;
}
.bc-series-nav__item:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.bc-series-nav__item--active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
/* Pills variant */
.bc-series-nav--pills {
  overflow-x: auto;
  flex-wrap: nowrap;
  padding: var(--sp-3) var(--sp-4);
  scrollbar-width: none;
}
.bc-series-nav--pills::-webkit-scrollbar { display: none; }
.bc-series-nav--pills .bc-series-nav__item {
  white-space: nowrap;
  border-radius: 20px;
  padding: var(--sp-1) var(--sp-3);
  height: auto;
}

/* ===========================================
   BC-STAT-GRID — grid of compact stat cards
   =========================================== */
.bc-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: var(--sp-4);
  margin: var(--sp-6) 0;
}
.bc-stat-grid__item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: var(--sp-4);
  text-align: center;
}
.bc-stat-grid__num {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: var(--sp-1);
}
.bc-stat-grid__lbl {
  font-size: 0.8rem;
  color: var(--ink-muted);
  line-height: 1.3;
}

/* ===========================================
   BC-KING-STAT — single dominant hero number
   =========================================== */
.bc-king-stat {
  text-align: center;
  padding: var(--sp-8) var(--sp-6);
  margin: var(--sp-6) 0;
  background: var(--surface);
  border-radius: 12px;
  border: 2px solid var(--line);
  position: relative;
  overflow: hidden;
}
.bc-king-stat__num {
  font-size: clamp(3rem, 10vw, 5rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  display: block;
}
.bc-king-stat__lbl {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--ink-muted);
  margin-top: var(--sp-2);
  display: block;
}
.bc-king-stat__src {
  font-size: 0.75rem;
  color: var(--ink-muted);
  margin-top: var(--sp-3);
  opacity: .7;
}
.bc-king-stat--success .bc-king-stat__num { color: var(--success); }
.bc-king-stat--warning .bc-king-stat__num { color: var(--warning); }
.bc-king-stat--danger  .bc-king-stat__num { color: var(--danger); }

/* ===========================================
   BC-TABS — tabbed panel switcher
   Needs minimal JS: toggle bc-tabs__btn--active + bc-tabs__panel--active
   =========================================== */
.bc-tabs {
  margin: var(--sp-6) 0;
}
.bc-tabs__bar {
  display: flex;
  gap: var(--sp-1);
  border-bottom: 2px solid var(--line);
  margin-bottom: var(--sp-4);
  overflow-x: auto;
  scrollbar-width: none;
}
.bc-tabs__bar::-webkit-scrollbar { display: none; }
.bc-tabs__btn {
  padding: var(--sp-2) var(--sp-4);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  white-space: nowrap;
  transition: color .15s, border-color .15s;
}
.bc-tabs__btn:hover { color: var(--ink); }
.bc-tabs__btn--active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.bc-tabs__panel { display: none; }
.bc-tabs__panel--active { display: block; }

/* ===========================================
   BC-CALLOUT — accent-bordered key insight box
   =========================================== */
.bc-callout {
  border-left: 4px solid var(--accent);
  padding: var(--sp-4) var(--sp-6);
  margin: var(--sp-6) 0;
  background: var(--surface);
  border-radius: 0 8px 8px 0;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.6;
}
.bc-callout--accent { border-left-color: var(--primary); }
.bc-callout--success { border-left-color: var(--success); background: var(--success-bg); }
.bc-callout--warning { border-left-color: var(--warning); background: var(--warning-bg); }
.bc-callout--danger  { border-left-color: var(--danger);  background: var(--danger-bg); }
.bc-callout p:last-child { margin-bottom: 0; }

/* ===========================================
   BC-FLOW — sequential stage diagram
   =========================================== */
.bc-flow {
  margin: var(--sp-6) 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.bc-flow__step {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: var(--sp-3);
  padding-bottom: var(--sp-4);
  position: relative;
}
.bc-flow__step:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 1.25rem;
  top: 2.5rem;
  bottom: 0;
  width: 2px;
  background: var(--line);
}
.bc-flow__num {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.bc-flow__title {
  font-weight: 600;
  font-size: 1rem;
  padding-top: .4rem;
  color: var(--ink);
}
.bc-flow__desc {
  grid-column: 2;
  font-size: 0.9rem;
  color: var(--ink-muted);
  line-height: 1.5;
  padding-bottom: var(--sp-2);
}
/* Horizontal variant */
.bc-flow--horizontal {
  flex-direction: row;
  align-items: flex-start;
  gap: var(--sp-2);
  overflow-x: auto;
}
.bc-flow--horizontal .bc-flow__step {
  flex-direction: column;
  grid-template-columns: 1fr;
  text-align: center;
  min-width: 120px;
  padding-bottom: 0;
}
.bc-flow--horizontal .bc-flow__step:not(:last-child)::before { display: none; }
.bc-flow--horizontal .bc-flow__num { margin: 0 auto var(--sp-2); }
.bc-flow--horizontal .bc-flow__desc { grid-column: 1; }

/* ===========================================
   BC-ACCORDION — collapsible sections
   =========================================== */
.bc-accordion {
  margin: var(--sp-6) 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.bc-accordion__item {
  border-bottom: 1px solid var(--line);
}
.bc-accordion__item:last-child { border-bottom: none; }
.bc-accordion__head {
  list-style: none;
  padding: var(--sp-4) var(--sp-6);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface);
  color: var(--ink);
  user-select: none;
}
.bc-accordion__head::-webkit-details-marker { display: none; }
.bc-accordion__head::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--ink-muted);
  transition: transform .2s;
  flex-shrink: 0;
  margin-left: var(--sp-3);
}
details[open] .bc-accordion__head::after { content: '−'; }
.bc-accordion__body {
  padding: var(--sp-4) var(--sp-6);
  background: var(--bg);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ink);
}

/* ===========================================
   BC-NEXT-ARTICLE — series continuation card
   =========================================== */
.bc-next-article {
  display: block;
  margin: var(--sp-8) 0 var(--sp-4);
  padding: var(--sp-4) var(--sp-6);
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 0 8px 8px 0;
  text-decoration: none;
  color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
.bc-next-article:hover {
  border-left-color: var(--primary);
  box-shadow: 0 2px 12px rgba(0,0,0,.08);
}
.bc-next-article__eyebrow {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--ink-muted);
  margin-bottom: var(--sp-1);
}
.bc-next-article__title {
  display: block;
  font-weight: 600;
  font-size: 1rem;
  color: var(--ink);
}

/* ===========================================
   BC-CALC — inline mini-calculator
   =========================================== */
.bc-calc {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: var(--sp-6);
  margin: var(--sp-6) 0;
}
.bc-calc__title {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: var(--sp-4);
  color: var(--ink);
}
.bc-calc__inputs {
  display: grid;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}
.bc-calc__label {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  font-size: 0.875rem;
  color: var(--ink-muted);
}
.bc-calc__input {
  padding: var(--sp-2) var(--sp-3);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  font-size: 1rem;
  width: 100%;
  box-sizing: border-box;
}
.bc-calc__input:focus {
  outline: none;
  border-color: var(--accent);
}
.bc-calc__result {
  background: var(--bg);
  border: 2px solid var(--accent);
  border-radius: 8px;
  padding: var(--sp-4);
  text-align: center;
}
.bc-calc__result-num {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.bc-calc__result-lbl {
  display: block;
  font-size: 0.8rem;
  color: var(--ink-muted);
  margin-top: var(--sp-1);
}

/* bc-bar-chart — горизонтальный бар-чарт с CSS переменной --pct */
.bc-bar-chart { margin: 1.5rem 0; }
.bc-bar-chart__title { font-size: 0.85rem; font-weight: 700; color: var(--ink); margin-bottom: 0.75rem; }
.bc-bar-chart__row { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.5rem; }
.bc-bar-chart__label { font-size: 0.82rem; color: var(--ink-soft); min-width: 200px; flex-shrink: 0; }
.bc-bar-chart__bar { flex: 1; height: 28px; background: var(--surface); border-radius: 4px; position: relative; overflow: hidden; }
.bc-bar-chart__bar::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: var(--pct, 0%); background: var(--accent); border-radius: 4px; transition: width 0.6s ease; }
.bc-bar-chart__bar span { position: relative; z-index: 1; font-size: 0.78rem; font-weight: 700; color: var(--ink); line-height: 28px; padding-left: 0.5rem; }
.bc-bar-chart__caption { font-size: 0.74rem; color: var(--ink-muted); margin-top: 0.5rem; }

/* bc-trust-scale — горизонтальная шкала доверия */
.bc-trust-scale { margin: 1.5rem 0; }
.bc-trust-scale__label { font-size: 0.85rem; color: var(--ink-soft); margin-bottom: 0.6rem; }
.bc-trust-scale__bar-wrap { display: flex; height: 40px; border-radius: 6px; overflow: hidden; gap: 2px; }
.bc-trust-scale__bar { display: flex; align-items: center; padding: 0 0.75rem; font-size: 0.78rem; font-weight: 600; transition: width 0.6s ease; }
.bc-trust-scale__bar--low { background: var(--accent); color: #fff; width: var(--w, 29%); }
.bc-trust-scale__bar--high { background: var(--surface); color: var(--ink-soft); width: var(--w, 71%); }
.bc-trust-scale__caption { font-size: 0.74rem; color: var(--ink-muted); margin-top: 0.4rem; }

/* bc-resale-chart — вертикальный колончатый чарт с CSS переменной --h */
.bc-resale-chart { margin: 1.5rem 0; }
.bc-resale-chart__title { font-size: 0.85rem; font-weight: 700; color: var(--ink); margin-bottom: 0.75rem; }
.bc-resale-chart__items { display: flex; align-items: flex-end; gap: 1rem; height: 120px; padding-bottom: 0.5rem; }
.bc-resale-chart__item { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; }
.bc-resale-chart__bar { width: 100%; background: var(--accent); border-radius: 4px 4px 0 0; height: var(--h, 50%); display: flex; align-items: flex-start; justify-content: center; padding-top: 4px; }
.bc-resale-chart__bar span { font-size: 0.72rem; color: rgba(255,255,255,0.8); font-weight: 600; }
.bc-resale-chart__val { font-size: 0.78rem; font-weight: 700; color: var(--ink); margin-top: 0.3rem; }
.bc-resale-chart__caption { font-size: 0.74rem; color: var(--ink-muted); margin-top: 0.5rem; }