/* GetTheSEO Modern Korean Dark Design System */
:root {
  --bg-primary: #0a0d14;
  --bg-surface: #121824;
  --bg-surface-elevated: #1a2233;
  --bg-glass: rgba(18, 24, 36, 0.85);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.5);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-cyan: #06b6d4;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-coupang: #e11d48;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px -5px rgba(99, 102, 241, 0.25);
  
  --font-sans: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.85rem 1.5rem;
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.logo-badge {
  background: linear-gradient(135deg, var(--accent-coupang), var(--accent-amber));
  color: #fff;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.nav-link {
  color: var(--text-secondary);
  transition: color 0.2s;
}

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

.main-content {
  flex: 1;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 2.5rem 1rem 3rem;
  background: radial-gradient(circle at 50% 20%, rgba(225, 29, 72, 0.12), transparent 70%);
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
  background: linear-gradient(180deg, #fff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 680px;
  margin: 0 auto 1.75rem;
}

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

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

.chip {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--bg-surface-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all 0.2s;
}

.chip:hover, .chip.active {
  background: var(--accent-coupang);
  color: #fff;
  border-color: var(--accent-coupang);
}

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

.search-input {
  width: 100%;
  padding: 0.5rem 1rem 0.5rem 2.2rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.85rem;
  outline: none;
}

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

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

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

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

.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(225, 29, 72, 0.4);
  box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.5);
}

.card-thumb {
  position: relative;
  width: 100%;
  height: 200px;
  background: #0d121c;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 1rem;
  transition: transform 0.3s;
}

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

.card-category {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: rgba(10, 13, 20, 0.8);
  backdrop-filter: blur(4px);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.card-body {
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-brand {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.3rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-summary {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
}

.price-box {
  display: flex;
  flex-direction: column;
}

.price-val {
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
}

.rating-box {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-amber);
}

.btn-coupang {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: var(--accent-coupang);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: opacity 0.2s, transform 0.1s;
}

.btn-coupang:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.coupang-notice {
  background: var(--bg-surface);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 2.5rem;
}

/* Detail Page */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-top: 1rem;
}

@media (max-width: 860px) {
  .detail-layout {
    grid-template-columns: 1fr;
  }
}

.detail-img-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 380px;
}

.detail-img {
  max-width: 100%;
  max-height: 380px;
  object-fit: contain;
}

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

.specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.spec-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
}

.spec-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.spec-val {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 0.15rem;
}

.pros-cons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

.pros-box, .cons-box {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  border: 1px solid var(--border-subtle);
}

.pros-box {
  border-top: 3px solid var(--accent-emerald);
}

.cons-box {
  border-top: 3px solid var(--accent-amber);
}

.pros-box h4, .cons-box h4 {
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.pros-box ul, .cons-box ul {
  list-style: none;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.pros-box li::before {
  content: "✓ ";
  color: var(--accent-emerald);
  font-weight: bold;
}

.cons-box li::before {
  content: "• ";
  color: var(--accent-amber);
  font-weight: bold;
}

/* Analytics */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

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

.kpi-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
}

.kpi-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0.25rem 0;
}

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

.data-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
}

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

.data-table th {
  background: var(--bg-surface-elevated);
  padding: 0.8rem 1rem;
  font-weight: 700;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.data-table td {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

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

.bot-tag {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
}

.bot-tag.yeti { background: rgba(3, 199, 90, 0.15); color: #03c75a; }
.bot-tag.googlebot { background: rgba(66, 133, 244, 0.15); color: #4285f4; }
.bot-tag.perplexitybot { background: rgba(14, 165, 233, 0.15); color: #0ea5e9; }
.bot-tag.gptbot { background: rgba(16, 163, 127, 0.15); color: #10a37f; }

.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  padding: 2.5rem 1.5rem;
  margin-top: auto;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
}