:root {
  --bg-base: #080c14;
  --bg-surface: #0f172a;
  --bg-card: rgba(15, 23, 42, 0.85);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-muted: #1e293b;
  --border: rgba(148, 163, 184, 0.12);
  --border-focus: rgba(99, 102, 241, 0.5);
  --text-main: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.25);
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --font-family: 'Plus Jakarta Sans', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-base);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(99, 102, 241, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 75%, rgba(6, 182, 212, 0.06) 0%, transparent 40%);
  background-attachment: fixed;
}

/* App Layout */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background: rgba(11, 17, 32, 0.95);
  backdrop-filter: blur(16px);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary) 0%, #a855f7 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #fff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.nav-menu {
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  position: relative;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.18) 0%, rgba(99, 102, 241, 0.04) 100%);
  border-color: rgba(99, 102, 241, 0.35);
  color: #fff;
  box-shadow: inset 3px 0 0 var(--primary);
}

.nav-item svg {
  flex-shrink: 0;
  opacity: 0.8;
}

.nav-item.active svg {
  opacity: 1;
  color: var(--primary);
}

.nav-item .badge {
  margin-left: auto;
  font-size: 0.75rem;
  padding: 2px 7px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
}

.nav-item .badge-error {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
}

.system-status {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-sm);
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
  flex-shrink: 0;
}

.status-indicator.live {
  animation: pulse-dot 2s infinite;
}

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

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

.status-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-emerald);
}

.status-sub {
  font-size: 0.68rem;
  color: var(--text-muted);
}

/* Main Content Area */
.main-content {
  flex: 1;
  margin-left: 260px;
  padding: 30px 40px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.page-title-area h1 {
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: #fff;
}

.page-title-area p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #4f46e5 100%);
  color: #fff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-block {
  width: 100%;
}

/* Views */
.view {
  display: none;
  flex-direction: column;
  gap: 24px;
}

.view.active {
  display: flex;
  animation: fadeIn 0.25s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Cards */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-header h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

/* Stat Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card:hover {
  border-color: rgba(99, 102, 241, 0.35);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.stat-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-blue { background: rgba(99, 102, 241, 0.15); color: var(--primary); }
.icon-purple { background: rgba(168, 85, 247, 0.15); color: #a855f7; }
.icon-emerald { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); }
.icon-amber { background: rgba(245, 158, 11, 0.15); color: var(--accent-amber); }

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.stat-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
}

.stat-pill {
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
}

.stat-pill.success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
}

.stat-sub-text {
  color: var(--text-muted);
}

/* Sync Banner */
.sync-banner {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12) 0%, rgba(6, 182, 212, 0.08) 100%);
  border: 1px solid rgba(99, 102, 241, 0.3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.sync-banner-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
}

.badge-sync-type {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sync-banner-date {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.sync-banner-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Badges */
.badge-status {
  padding: 3px 9px;
  border-radius: 12px;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-success {
  background: rgba(16, 185, 129, 0.18);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.status-failed {
  background: rgba(244, 63, 94, 0.18);
  color: var(--accent-rose);
  border: 1px solid rgba(244, 63, 94, 0.35);
}

.status-running {
  background: rgba(245, 158, 11, 0.18);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.35);
}

/* Overview Grid */
.overview-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}

/* Category List */
.category-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.category-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  transition: var(--transition);
}

.category-row:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(99, 102, 241, 0.3);
}

.category-name {
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 260px;
}

.category-count {
  font-weight: 700;
  color: var(--primary);
  background: rgba(99, 102, 241, 0.15);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.76rem;
}

/* Toolbar */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 14px;
  width: 360px;
  transition: var(--transition);
}

.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  background: rgba(255, 255, 255, 0.06);
}

.search-box svg {
  color: var(--text-muted);
  flex-shrink: 0;
}

.search-box input {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.9rem;
  width: 100%;
  outline: none;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.select-control {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.88rem;
  outline: none;
  cursor: pointer;
  transition: var(--transition);
}

.select-control:focus {
  border-color: var(--primary);
}

.select-control option {
  background: #0f172a;
  color: #fff;
}

/* Data Table */
.table-container {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: rgba(0, 0, 0, 0.15);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
  text-align: left;
}

.data-table th {
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: var(--transition);
}

.data-table tbody tr:hover {
  background: var(--bg-card-hover);
}

.product-row {
  cursor: pointer;
}

.product-row:hover td {
  color: #fff;
}

.product-thumb {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  display: block;
}

.prod-title-link {
  font-weight: 600;
  color: #fff;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 320px;
}

.prod-id-badge {
  font-family: monospace;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid rgba(6, 182, 212, 0.2);
}

.category-tag {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-width: 180px;
}

.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-blue { color: var(--primary); }
.text-emerald { color: var(--accent-emerald); }
.text-purple { color: #a855f7; }

.price-val {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: #fff;
}

.supply-val {
  font-variant-numeric: tabular-nums;
  color: var(--text-secondary);
}

/* Pagination */
.pagination-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
}

.pagination-info {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.page-btn {
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.page-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.page-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 2px 8px var(--primary-glow);
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Sync View */
.sync-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 24px;
}

.sync-main-card {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sync-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  background: rgba(0, 0, 0, 0.2);
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.sync-metric-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

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

.sync-metric-val {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}

.font-accent { color: var(--accent-cyan); }

.sync-counters-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
}

.sync-counters-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: #fff;
}

.sync-counters-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.counter-box {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.counter-num {
  font-size: 1.7rem;
  font-weight: 800;
  line-height: 1.2;
}

.counter-desc {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.sync-memo-box {
  background: rgba(99, 102, 241, 0.06);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-md);
  padding: 16px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.sync-memo-box h4 {
  color: var(--primary);
  margin-bottom: 6px;
  font-size: 0.9rem;
}

.sync-memo-box code {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent-cyan);
}

/* Detail Drawer (Modal) */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.drawer-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.detail-drawer {
  position: fixed;
  top: 0;
  right: -720px;
  bottom: 0;
  width: 680px;
  max-width: 90vw;
  background: #0d1322;
  border-left: 1px solid var(--border);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.6);
  z-index: 210;
  display: flex;
  flex-direction: column;
  transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.detail-drawer.active {
  right: 0;
}

.drawer-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(15, 23, 42, 0.8);
}

.drawer-title-box {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.badge-product-id {
  font-family: monospace;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.drawer-title-box h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.btn-close-drawer {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.btn-close-drawer:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

.drawer-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 0;
  color: var(--text-muted);
  gap: 16px;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(99, 102, 241, 0.2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.drawer-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Detail Hero */
.detail-hero {
  display: flex;
  gap: 20px;
}

.detail-img-box {
  width: 180px;
  height: 180px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: hidden;
  background: #000;
  flex-shrink: 0;
}

.detail-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-hero-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.category-breadcrumb {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.detail-badges {
  display: flex;
  align-items: center;
  gap: 8px;
}

.price-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 4px;
}

.price-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
}

.price-card.primary {
  background: rgba(99, 102, 241, 0.1);
  border-color: rgba(99, 102, 241, 0.3);
}

.price-card-label {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.price-card-val {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-top: 2px;
}

.price-card.primary .price-card-val {
  color: var(--accent-cyan);
}

.partner-link-box {
  margin-top: auto;
}

/* Detail Section */
.detail-section {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.96rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}

.section-title svg {
  color: var(--primary);
}

.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: rgba(0, 0, 0, 0.18);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

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

.spec-val {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  word-break: break-all;
}

.options-table-container {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

/* Detailed Image Gallery */
.product-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 12px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.3);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-item:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: 0 4px 12px var(--primary-glow);
}

.gallery-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-thumb {
  transform: scale(1.05);
}

.gallery-tag {
  position: absolute;
  top: 6px;
  left: 6px;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  backdrop-filter: blur(4px);
}

.gallery-tag.thumb-tag {
  background: rgba(14, 165, 233, 0.85);
}

/* Description Section */
.desc-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 10px;
}

.desc-header-row .section-title {
  margin-bottom: 0;
}

.desc-tab-group {
  display: inline-flex;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 3px;
}

.desc-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.desc-tab-btn:hover {
  color: var(--text-main);
}

.desc-tab-btn.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 6px var(--primary-glow);
}

.desc-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.25);
  overflow: hidden;
}

.desc-html-content {
  padding: 16px;
  max-height: 480px;
  overflow-y: auto;
  color: var(--text-main);
  line-height: 1.6;
}

.desc-html-content img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 8px auto;
  border-radius: var(--radius-sm);
}

.desc-text-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.desc-text-badge {
  font-size: 0.72rem;
  color: var(--primary);
  font-weight: 600;
}

.desc-text-content {
  padding: 14px;
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.82rem;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-all;
  color: #cbd5e1;
  max-height: 400px;
  overflow-y: auto;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 50px 20px;
  color: var(--text-muted);
  gap: 12px;
  text-align: center;
}

.empty-state svg {
  color: var(--text-muted);
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 1.05rem;
  color: #fff;
}

.empty-state p {
  font-size: 0.85rem;
  max-width: 320px;
}

/* Responsive */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .overview-grid { grid-template-columns: 1fr; }
  .sync-grid { grid-template-columns: 1fr; }
  .sidebar { width: 80px; }
  .brand-text, .nav-item span:not(.badge), .sidebar-footer { display: none; }
  .main-content { margin-left: 80px; padding: 20px; }
}