:root {
  --bg: #0b1220;
  --surface: #121a2b;
  --surface-2: #1a2438;
  --text: #e8edf7;
  --muted: #93a0b8;
  --border: #2a3650;
  --accent: #3b82f6;
  --accent-2: #22d3ee;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --amazon: #ff9900;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at top, #15213a 0%, var(--bg) 45%);
  color: var(--text);
  min-height: 100vh;
}

.container {
  width: min(960px, 100% - 2rem);
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(11, 18, 32, 0.8);
  backdrop-filter: blur(8px);
}

.header-inner {
  padding: 1rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.brand-sub {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
}

.hero {
  padding: 2.5rem 0 1.5rem;
}

.hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.lead {
  margin: 0 0 1rem;
  color: var(--muted);
  max-width: 58ch;
  line-height: 1.6;
}

.lead:last-child {
  margin-bottom: 0;
}

.hero-cta {
  color: var(--text);
}

.hero-cta strong {
  font-weight: 600;
}

.analyzer-card,
.results article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.input-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
}

input[type="url"] {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 1rem;
}

input[type="url"]:focus {
  outline: 2px solid rgba(59, 130, 246, 0.45);
  border-color: var(--accent);
}

button {
  padding: 0.8rem 1.2rem;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #2563eb);
  color: white;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.error {
  color: #fecaca;
  margin: 0.75rem 0 0;
}

.loading-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 1rem;
  color: var(--muted);
}

.loading-card[hidden],
.results[hidden] {
  display: none !important;
}

.loading-spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.product-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.25rem;
  align-items: start;
}

.product-affiliate-link {
  color: inherit;
  text-decoration: none;
}

.product-image-link {
  display: block;
  width: fit-content;
}

.product-image-link:hover .product-image-wrap {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 1px var(--accent-2);
}

.product-title-link:hover .product-title {
  color: var(--accent-2);
}

.product-title-link .product-title {
  transition: color 0.15s ease;
}

.product-image-wrap {
  width: 140px;
  height: 140px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--border);
  overflow: hidden;
  display: grid;
  place-items: center;
}

#product-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-image-fallback {
  font-size: 3rem;
  opacity: 0.5;
}

.product-label {
  margin: 0 0 0.35rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--amazon);
  font-weight: 600;
}

.product-title {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  line-height: 1.4;
}

.listing-warning {
  margin: 0 0 0.5rem;
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  background: rgba(245, 158, 11, 0.15);
  color: #fcd34d;
  font-size: 0.85rem;
  line-height: 1.4;
}

.product-asin {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.product-link {
  color: var(--accent-2);
  text-decoration: none;
  font-size: 0.9rem;
}

.product-link:hover {
  text-decoration: underline;
}

.score-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.score-card {
  background: var(--surface-2);
  border-radius: 12px;
  padding: 1rem;
  border: 1px solid var(--border);
}

.score-card.highlight {
  border-color: rgba(59, 130, 246, 0.5);
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.12), var(--surface-2));
}

.score-card.listed .score-value {
  color: var(--amazon);
}

.star-row {
  margin: 0.35rem 0;
  font-size: 1rem;
  letter-spacing: 0.05em;
}

.star {
  color: var(--amazon);
}

.star.empty {
  color: var(--border);
}

.score-label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.score-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  margin: 0.25rem 0;
}

.delta-value.positive {
  color: var(--success);
}

.delta-value.negative {
  color: var(--danger);
}

.score-meta {
  font-size: 0.8rem;
  color: var(--muted);
}

.summary-card h2,
.signals-card h2,
.reviews-card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
}

.muted {
  color: var(--muted);
  font-size: 0.875rem;
}

.review-note {
  margin: -0.25rem 0 1rem;
}

.cache-info {
  font-size: 0.85rem;
  margin: 0.5rem 0 0;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
}

.cache-info.cached {
  background: rgba(59, 130, 246, 0.12);
  color: #93c5fd;
}

.cache-info.fresh {
  background: rgba(34, 197, 94, 0.12);
  color: #86efac;
}

#signals-list,
.id-list {
  margin: 0;
  padding-left: 1.1rem;
}

.signal {
  margin-bottom: 0.65rem;
  line-height: 1.5;
}

.signal strong {
  display: block;
  text-transform: capitalize;
}

.signal.severity-high strong {
  color: var(--danger);
}

.signal.severity-medium strong {
  color: var(--warning);
}

.signal.severity-low strong {
  color: var(--accent-2);
}

.trust-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.trust-columns h3,
.unclassified-section h3 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.trust-count {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 500;
}

.suspicious-col h3 {
  color: var(--danger);
}

.trusted-col h3 {
  color: var(--success);
}

.unclassified-section {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.unclassified-section h3 {
  color: var(--muted);
}

.review-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.review-empty {
  margin: 0;
  font-size: 0.875rem;
}

.review-card {
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
}

.review-card.trust-suspicious {
  border-left: 3px solid var(--danger);
}

.review-card.trust-trusted {
  border-left: 3px solid var(--success);
}

.review-card.trust-unclassified {
  border-left: 3px solid var(--border);
}

.review-card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.review-card-stars {
  color: var(--amazon);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
}

.review-badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

.review-badge.verified {
  background: rgba(34, 197, 94, 0.15);
  color: #86efac;
}

.review-badge.mismatch {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
}

.review-card-title {
  margin: 0 0 0.35rem;
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1.35;
}

.review-card-body {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--muted);
}

.review-card-meta {
  margin: 0;
  font-size: 0.75rem;
  color: var(--muted);
}

.site-footer {
  margin-top: 2rem;
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

.affiliate-disclosure {
  margin: 0.75rem 0 0;
  line-height: 1.5;
  white-space: nowrap;
}

@media (max-width: 700px) {
  .score-grid,
  .trust-columns {
    grid-template-columns: 1fr;
  }

  .input-row {
    grid-template-columns: 1fr;
  }

  .product-card {
    grid-template-columns: 1fr;
  }

  .product-image-wrap {
    width: 100%;
    max-width: 200px;
    height: 200px;
  }
}