:root {
  --bg-primary: #0a0d14;
  --bg-surface: #111622;
  --bg-card: #161c2b;
  --bg-card-hover: #1b2336;
  --border-subtle: #232d42;
  --border-focus: #3b82f6;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-cyan: #38bdf8;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --amazon-orange: #ff9900;
  --amazon-orange-hover: #e68a00;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 25px rgba(56, 189, 248, 0.15);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

/* Header & Navigation */
.header-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 13, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.brand-badge {
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-cyan));
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: var(--bg-surface);
}

.nav-link.badge-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid var(--border-subtle);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Main Container */
.main-wrapper {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  flex: 1;
}

/* Hero Section */
.hero-banner {
  text-align: center;
  padding: 2.5rem 1rem 3.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: var(--accent-cyan);
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
}

.hero-title {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1rem;
  background: linear-gradient(180deg, #ffffff 40%, #94a3b8 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Filter and Search Bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 0.75rem 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.cat-pill {
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.cat-pill:hover {
  color: var(--text-primary);
  border-color: var(--border-subtle);
}

.cat-pill.active {
  color: #fff;
  background: var(--accent-indigo);
  border-color: var(--accent-indigo);
}

.search-form {
  position: relative;
  min-width: 260px;
}

.search-input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 0.45rem 1rem 0.45rem 2.2rem;
  color: var(--text-primary);
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.2s;
}

.search-input:focus {
  border-color: var(--border-focus);
}

.search-icon {
  position: absolute;
  left: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Products Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s, box-shadow 0.2s;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: var(--shadow-glow);
}

.product-thumb-wrap {
  position: relative;
  width: 100%;
  padding-top: 66%;
  background: #080a0f;
  overflow: hidden;
}

.product-thumb {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-thumb {
  transform: scale(1.05);
}

.product-cat-tag {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: rgba(10, 13, 20, 0.75);
  backdrop-filter: blur(6px);
  color: var(--accent-cyan);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.product-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-brand {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-indigo);
  margin-bottom: 0.3rem;
}

.product-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.6rem;
  color: var(--text-primary);
}

.rating-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  margin-bottom: 0.8rem;
}

.stars {
  color: var(--amazon-orange);
  letter-spacing: -1px;
}

.review-count {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.ai-snippet {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent-cyan);
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.45;
  margin-bottom: 1.2rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border-subtle);
}

.btn-detail {
  width: 100%;
  text-align: center;
  padding: 0.55rem 1rem;
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  transition: all 0.2s ease;
}

.btn-detail:hover {
  background: var(--accent-indigo);
  border-color: var(--accent-indigo);
  color: #fff;
}

/* Detail Page */
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 1.8rem;
}

.breadcrumb-nav a:hover {
  color: var(--accent-cyan);
}

.product-detail-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.detail-gallery {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  max-height: 480px;
}

.detail-hero-img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.detail-info {
  display: flex;
  flex-direction: column;
}

.detail-meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #818cf8;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.8rem;
  width: fit-content;
}

.detail-title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 0.8rem;
}

.detail-rating {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

/* Amazon Compliant CTA Button */
.cta-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  margin-bottom: 1.8rem;
}

.btn-amazon-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  background: var(--amazon-orange);
  color: #111;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 0.9rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 14px rgba(255, 153, 0, 0.35);
  transition: all 0.2s ease;
}

.btn-amazon-cta:hover {
  background: var(--amazon-orange-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 153, 0, 0.5);
  color: #000;
}

.cta-disclosure {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.4;
}

/* Executive Verdict Card */
.ai-verdict-box {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.06), rgba(99, 102, 241, 0.06));
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.8rem;
}

.verdict-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-cyan);
  margin-bottom: 0.8rem;
}

.verdict-text {
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.7;
}

/* Pros and Cons */
.evaluation-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.eval-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
}

.eval-card.pros { border-top: 3px solid var(--accent-emerald); }
.eval-card.cons { border-top: 3px solid var(--accent-amber); }

.eval-header {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.eval-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.eval-item {
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  line-height: 1.45;
}

.eval-item .icon { font-weight: bold; flex-shrink: 0; }
.pros .icon { color: var(--accent-emerald); }
.cons .icon { color: var(--accent-amber); }

/* Specifications Table */
.spec-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  margin-bottom: 2rem;
}

.spec-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-table tr {
  border-bottom: 1px solid var(--border-subtle);
}

.spec-table tr:last-child {
  border-bottom: none;
}

.spec-table th {
  text-align: left;
  padding: 0.75rem 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
  width: 35%;
}

.spec-table td {
  padding: 0.75rem 0.5rem;
  font-size: 0.88rem;
  color: var(--text-primary);
  font-weight: 600;
}

/* LLM/AI Machine Endpoint Card */
.machine-endpoint-box {
  background: var(--bg-surface);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.2rem 1.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.machine-info {
  display: flex;
  flex-direction: column;
}

.machine-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.machine-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.btn-machine-link {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 0.82rem;
  font-family: monospace;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-md);
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-machine-link:hover {
  background: var(--border-subtle);
  color: var(--accent-cyan);
}

/* Analytics Dashboard */
.analytics-header {
  margin-bottom: 2rem;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
  margin-bottom: 2rem;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.kpi-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.kpi-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
}

.kpi-sub {
  font-size: 0.75rem;
  color: var(--accent-emerald);
}

.telemetry-section {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.section-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.2rem;
}

.section-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--accent-emerald);
  font-weight: 600;
}

/* Telemetry Table */
.data-table-wrap {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.data-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  font-weight: 600;
}

.data-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(35, 45, 66, 0.5);
  color: var(--text-secondary);
}

.bot-tag {
  display: inline-block;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
}

.bot-tag.googlebot { background: rgba(56, 189, 248, 0.15); color: #7dd3fc; }
.bot-tag.perplexitybot { background: rgba(16, 185, 129, 0.15); color: #6ee7b7; }
.bot-tag.gptbot { background: rgba(245, 158, 11, 0.15); color: #fcd34d; }
.bot-tag.claudebot { background: rgba(244, 63, 94, 0.15); color: #fda4af; }

/* Privacy / Legal Page */
.legal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 850px;
  margin: 0 auto;
}

.legal-card h1 {
  font-size: 1.8rem;
  margin-bottom: 1.2rem;
}

.legal-card h2 {
  font-size: 1.2rem;
  margin: 1.5rem 0 0.6rem;
  color: var(--accent-cyan);
}

.legal-card p, .legal-card ul {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.legal-card ul {
  padding-left: 1.4rem;
}

.affiliate-alert {
  background: rgba(255, 153, 0, 0.1);
  border-left: 4px solid var(--amazon-orange);
  padding: 1rem 1.2rem;
  border-radius: var(--radius-sm);
  color: #fef08a;
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

/* Footer */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 2.5rem 1.5rem 2rem;
  margin-top: auto;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-disclosure {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.6;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
  text-align: center;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a:hover {
  color: var(--text-primary);
}

/* Responsive */
@media (max-width: 768px) {
  .product-detail-layout { grid-template-columns: 1fr; }
  .evaluation-grid { grid-template-columns: 1fr; }
  .nav-links { gap: 0.8rem; }
  .hero-title { font-size: 2rem; }
}