/**
 * Phase 5 — Compare page (Versus-inspired)
 */

.compare-page {
  padding-bottom: var(--bc-space-8);
}

/* —— Hero —— */
.compare-hero {
  background: linear-gradient(145deg, #5d6d8a 0%, #72739b 45%, #7f90a8 100%);
  color: #fff;
  padding: var(--bc-space-7) var(--bc-space-5);
  border-radius: var(--bc-radius-lg);
  margin-bottom: var(--bc-space-5);
  position: relative;
  overflow: hidden;
}

.compare-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(255, 107, 0, 0.15), transparent 45%);
  pointer-events: none;
}

.compare-hero__grid {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: var(--bc-space-4);
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.compare-hero__product {
  flex: 1;
  min-width: 200px;
  max-width: 320px;
  text-align: center;
  padding: var(--bc-space-5);
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--bc-radius);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--bc-space-3);
}

.compare-hero__product.is-winner {
  border-color: var(--bc-accent);
  box-shadow: 0 0 0 2px rgba(255, 107, 0, 0.35), 0 12px 32px rgba(0, 0, 0, 0.25);
}

.compare-hero__product .bc-badge--winner {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 10px;
}

.compare-hero__score-ring {
  --score-pct: 70;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: conic-gradient(
    var(--bc-accent) calc(var(--score-pct) * 1%),
    rgba(255, 255, 255, 0.15) 0
  );
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

.compare-hero__score-ring::before {
  content: "";
  position: absolute;
  inset: 7px;
  background: #1a1a2e;
  border-radius: 50%;
}

.compare-hero__score-num,
.compare-hero__score-label {
  position: relative;
  z-index: 1;
  line-height: 1.1;
}

.compare-hero__score-num {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
}

.compare-hero__score-label {
  font-size: 10px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.65);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.compare-hero__img-wrap {
  display: block;
  width: 100%;
  max-width: 200px;
  aspect-ratio: 1;
  background: rgba(255,255,255,0.92);
  border-radius: var(--bc-radius-sm);
  padding: var(--bc-space-3);
  text-decoration: none;
}

.compare-hero__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.compare-hero__name {
  font-size: var(--bc-text-base);
  font-weight: 700;
  color: #fff;
  margin: 0;
  line-height: 1.35;
}

.compare-hero__brand {
  font-size: var(--bc-text-sm);
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
}

.compare-hero__price {
  background: rgba(255, 255, 255, 0.95) !important;
  color: var(--bc-price) !important;
  font-weight: 800;
  text-decoration: none;
}

.compare-hero__product .bc-btn--ghost {
  background: transparent;
  color: #fff !important;
  border-color: rgba(255, 255, 255, 0.35);
  width: 100%;
}

.compare-hero__product .bc-btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

.compare-hero__vs {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.18);
  font-size: var(--bc-text-sm);
  font-weight: 800;
  color: rgba(255, 255, 255, 0.9);
  flex-shrink: 0;
  align-self: center;
}

/* —— Sticky tabs —— */
.compare-tabs-wrap {
  position: sticky;
  top: 72px;
  z-index: 40;
  margin-bottom: var(--bc-space-5);
  padding: var(--bc-space-2) 0;
  background: rgba(244, 246, 249, 0.92);
  backdrop-filter: blur(8px);
}

.compare-tabs .bc-tabs__item.is-active {
  background: var(--bc-accent);
  color: #fff;
}

/* —— Advantages —— */
.compare-advantages {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--bc-space-5);
  margin-bottom: var(--bc-space-6);
}

.compare-advantages__panel {
  background: var(--bc-surface);
  border: 1px solid var(--bc-border);
  border-radius: var(--bc-radius);
  padding: var(--bc-space-5);
  box-shadow: var(--bc-shadow-sm);
}

.compare-advantages__panel h3 {
  font-size: var(--bc-text-lg);
  margin: 0 0 var(--bc-space-4);
  padding-bottom: var(--bc-space-3);
  border-bottom: 2px solid var(--bc-accent-light);
}

.compare-advantages__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.compare-advantages__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--bc-space-2);
  padding: var(--bc-space-2) 0;
  font-size: var(--bc-text-sm);
  color: var(--bc-text-secondary);
  border-bottom: 1px solid var(--bc-border);
}

.compare-advantages__list li:last-child {
  border-bottom: none;
}

.compare-advantages__list li::before {
  content: "✓";
  color: var(--bc-compare);
  font-weight: 800;
  flex-shrink: 0;
}

.compare-advantages__muted {
  color: var(--bc-muted);
  font-size: var(--bc-text-sm);
}

/* —— Specs section anchor —— */
#compare-specs {
  scroll-margin-top: 140px;
}

#compare-overview {
  scroll-margin-top: 140px;
}

/* —— Top: popular VS cards —— */
.bc-vs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--bc-space-4);
  margin-top: var(--bc-space-4);
}

.bc-vs-card {
  display: flex;
  flex-direction: column;
  gap: var(--bc-space-3);
  padding: var(--bc-space-4);
  background: var(--bc-surface);
  border: 1px solid var(--bc-border);
  border-radius: var(--bc-radius);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--bc-shadow-sm);
  transition: transform var(--bc-ease), box-shadow var(--bc-ease), border-color var(--bc-ease);
}

.bc-vs-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--bc-shadow-hover);
  border-color: rgba(30, 107, 184, 0.35);
}

.bc-vs-card__imgs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--bc-space-2);
}

.bc-vs-card__imgs img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  background: var(--bc-bg);
  border-radius: var(--bc-radius-sm);
  padding: 4px;
}

.bc-vs-card__vs {
  font-size: var(--bc-text-xs);
  font-weight: 800;
  color: var(--bc-compare);
}

.bc-vs-card__title {
  font-size: var(--bc-text-sm);
  font-weight: 700;
  color: var(--bc-text);
  line-height: 1.45;
  text-align: center;
}

.bc-vs-card__cta {
  text-align: center;
  font-size: var(--bc-text-xs);
  font-weight: 700;
  color: var(--bc-compare);
}

/* —— Compare FAB (floating box) —— */
#compare-box.compare-fab {
  position: fixed;
  bottom: var(--bc-space-5);
  right: var(--bc-space-5);
  width: min(280px, calc(100vw - 32px));
  padding: var(--bc-space-4);
  border-radius: var(--bc-radius);
  border: 1px solid var(--bc-border);
  box-shadow: 0 12px 40px rgba(26, 26, 46, 0.18);
  background: var(--bc-surface);
  z-index: 200;
}

#compare-box.compare-fab .mini-item {
  padding-right: 20px;
}

#go-compare-btn {
  margin-top: var(--bc-space-3);
  background: linear-gradient(135deg, var(--bc-compare), #3d8fd9) !important;
  border-radius: var(--bc-radius-sm);
  font-size: var(--bc-text-sm);
}

#compare-box .compare-fab__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  margin-left: 6px;
  background: rgba(255, 255, 255, 0.25);
  border-radius: var(--bc-radius-pill);
  font-size: 12px;
  font-weight: 800;
}

@media (max-width: 768px) {
  .compare-hero__grid {
    flex-direction: column;
    align-items: center;
  }

  .compare-hero__vs {
    transform: rotate(90deg);
  }

  .compare-tabs-wrap {
    top: 56px;
  }

  .compare-layout {
    flex-direction: column;
  }

  .compare-sidebar {
    width: 100%;
    position: static;
  }
}