/* ==========================================================================
   FEBI VS BLUE PRINT - EBAY PRICE COMPARISON ENGINE
   Theme: Refined Automotive Engineering & Clean Professional SaaS
   ========================================================================== */

:root {
  /* Clean Executive Dark Palette */
  --bg-main: #0b0f17;
  --bg-surface: #111827;
  --bg-surface-elevated: #162032;
  --bg-card: #131924;
  --bg-card-hover: #172130;
  --bg-input: #0c1018;

  /* Official Automotive Bilstein Group Branding */
  --febi-red: #c5222a;
  --febi-red-hover: #b01820;
  --febi-red-soft: rgba(197, 34, 42, 0.08);
  --febi-red-border: rgba(197, 34, 42, 0.28);

  --bp-blue: #0284c7;
  --bp-blue-hover: #0369a1;
  --bp-blue-soft: rgba(2, 132, 199, 0.08);
  --bp-blue-border: rgba(2, 132, 199, 0.28);

  /* Performance & Status Accents */
  --winner-green: #10b981;
  --winner-green-soft: rgba(16, 185, 129, 0.1);
  --winner-green-border: rgba(16, 185, 129, 0.25);

  --accent-amber: #f59e0b;
  --accent-amber-soft: rgba(245, 158, 11, 0.1);

  /* Neutral Text & Borders */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-subtle: #1e293b;
  --border-light: #2d3748;
  --border-focus: #38bdf8;

  /* Geometry & Shadows */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, 0.5);

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Menlo, Monaco, Consolas, monospace;

  /* Transitions */
  --transition-fast: 120ms ease;
  --transition-normal: 200ms ease;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  background-image: radial-gradient(at 50% 0%, #151d2c 0%, #0b0f17 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* App Container */
.app-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px 20px 80px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* Top Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.brand-badge-group {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.brand-crest {
  display: flex;
  align-items: center;
  font-weight: 800;
  gap: 6px;
}

.tag-febi {
  color: #fff;
  background: var(--febi-red);
  padding: 4px 8px;
  border-radius: var(--radius-xs);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

.tag-vs {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 5px;
  border-radius: 3px;
  border: 1px solid var(--border-subtle);
}

.tag-bp {
  color: #fff;
  background: var(--bp-blue);
  padding: 4px 8px;
  border-radius: var(--radius-xs);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

.header-subtitle {
  font-size: 0.82rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.uk-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  padding: 5px 11px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.uk-market-tag {
  background: var(--border-subtle);
  color: var(--text-primary);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.7rem;
  font-weight: 800;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
  text-decoration: none;
}

.btn-ghost:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border-color: var(--border-light);
}

/* Navigation Tabs */
.nav-tabs {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 4px;
  border-radius: var(--radius-md);
  gap: 4px;
  overflow-x: auto;
}

.nav-tab {
  flex: 1;
  min-width: 140px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition-fast);
}

.nav-tab:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
}

.nav-tab.active {
  color: #fff;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.tab-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
}

.nav-tab.active .tab-badge {
  background: var(--bp-blue);
  color: #fff;
}

/* Hero Section */
.hero-section {
  text-align: center;
  max-width: 760px;
  margin: 10px auto 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.hero-title {
  font-size: clamp(1.8rem, 3.5vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: #fff;
}

.hero-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Search Card */
.search-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  position: relative;
}

.smart-picker-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.smart-picker-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 700;
}

.picker-label-text {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #fff;
}

.smart-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}

.smart-input-row {
  display: flex;
  gap: 10px;
}

.smart-input-wrapper {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
}

.smart-input-field {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  padding: 12px 40px 12px 16px;
  border-radius: var(--radius-sm);
  outline: none;
  transition: var(--transition-fast);
}

.smart-input-field::placeholder {
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 400;
}

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

.btn-input-clear {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 4px;
  line-height: 1;
}

.btn-input-clear:hover {
  color: #fff;
}

.smart-compare-btn {
  white-space: nowrap;
  padding: 0 20px;
}

/* Primary Button */
.btn-primary {
  background: var(--bp-blue);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  transition: var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--bp-blue-hover);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Secondary Button */
.btn-secondary {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  transition: var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-light);
}

/* Resolver Badge */
.resolver-badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 10px 14px;
  background: rgba(2, 132, 199, 0.06);
  border: 1px solid var(--bp-blue-border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-primary);
}

.resolver-badge.resolved {
  background: var(--winner-green-soft);
  border-color: var(--winner-green-border);
}

.resolver-left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.brand-chip-detected {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 3px;
}

.chip-febi {
  background: var(--febi-red);
  color: #fff;
}

.chip-bp {
  background: var(--bp-blue);
  color: #fff;
}

.twin-matched-text {
  color: var(--text-primary);
}

.resolver-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-resolver-link {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--bp-blue);
  background: rgba(2, 132, 199, 0.08);
  border: 1px solid var(--bp-blue-border);
  padding: 5px 10px;
  border-radius: var(--radius-xs);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition-fast);
}

.btn-resolver-link:hover {
  background: rgba(2, 132, 199, 0.16);
  color: #fff;
}

/* Manual Inputs Accordion */
.manual-details {
  border-top: 1px solid var(--border-subtle);
  padding-top: 12px;
  margin-top: 6px;
}

.manual-summary {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.manual-summary:hover {
  color: var(--text-secondary);
}

.auto-match-tag {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: var(--radius-full);
  background: var(--winner-green-soft);
  color: var(--winner-green);
  border: 1px solid var(--winner-green-border);
}

.search-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: center;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.label-febi {
  color: #f87171;
}

.label-bp {
  color: #38bdf8;
}

.input-field-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-field {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  outline: none;
  transition: var(--transition-fast);
}

.input-field::placeholder {
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 400;
}

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

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

.vs-divider {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding-top: 22px;
}

.vs-icon-badge {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.btn-swap {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: var(--transition-fast);
}

.btn-swap:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.search-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Quick Samples */
.quick-samples {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

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

.sample-chip {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.76rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition-fast);
}

.sample-chip:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border-color: var(--border-light);
}

/* Comparison Arena */
.arena-wrapper {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Winner Banner */
.winner-banner {
  background: var(--bg-card);
  border: 1px solid var(--winner-green-border);
  border-left: 4px solid var(--winner-green);
  border-radius: var(--radius-md);
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: var(--shadow-sm);
}

.winner-content {
  display: flex;
  align-items: center;
  gap: 14px;
}

.trophy-icon {
  color: var(--winner-green);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.winner-headline {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.winner-tag {
  font-size: 0.75rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
}

.winner-febi-tag {
  background: var(--febi-red);
  color: #fff;
}

.winner-bp-tag {
  background: var(--bp-blue);
  color: #fff;
}

.winner-subtitle {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.btn-winner-deal {
  background: var(--winner-green);
  color: #032b18;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 800;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.btn-winner-deal:hover {
  background: #34d399;
}

/* Auto Discovered Banner */
.auto-discovered-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--bp-blue);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.4;
}

.auto-discovered-icon {
  color: var(--bp-blue);
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.auto-discovered-text strong {
  color: var(--text-primary);
}

/* Dual Comparison Grid */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.brand-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  transition: var(--transition-fast);
}

.brand-card-febi {
  border-top: 3px solid var(--febi-red);
}

.brand-card-febi.is-winner {
  border-color: var(--border-light);
  border-top: 3px solid var(--febi-red);
  background: var(--bg-card);
}

.brand-card-bp {
  border-top: 3px solid var(--bp-blue);
}

.brand-card-bp.is-winner {
  border-color: var(--border-light);
  border-top: 3px solid var(--bp-blue);
  background: var(--bg-card);
}

.brand-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.brand-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 800;
}

.brand-part-no {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  background: var(--bg-input);
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  display: inline-block;
  align-self: flex-start;
  border: 1px solid var(--border-subtle);
}

.winner-pill {
  background: var(--winner-green-soft);
  color: var(--winner-green);
  border: 1px solid var(--winner-green-border);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

/* Price Big Display */
.price-display-box {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.price-main-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.price-delivered-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.price-main {
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  margin-top: 2px;
}

.price-breakdown-row {
  display: flex;
  gap: 14px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 8px;
}

.breakdown-item strong {
  color: var(--text-primary);
}

/* Meta List */
.listing-meta-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.82rem;
}

.meta-title-text {
  font-size: 0.88rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
}

.meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
}

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

.meta-row strong {
  color: var(--text-primary);
}

.filter-pills-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.filter-pill {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  padding: 2px 7px;
  border-radius: 3px;
}

/* Direct eBay Buy Button */
.btn-ebay-buy {
  background: var(--bg-surface-elevated);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: auto;
  transition: var(--transition-fast);
}

.btn-ebay-buy:hover {
  background: var(--border-light);
  color: #fff;
}

/* Catalog / Directory Section */
.catalog-section {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.section-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.section-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
}

.section-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.catalog-filters {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.category-pills {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 3px;
  border-radius: var(--radius-sm);
  gap: 3px;
}

.category-pill {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.category-pill:hover {
  color: #fff;
}

.category-pill.active {
  background: var(--bg-surface-elevated);
  color: #fff;
}

.catalog-search-input {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  outline: none;
  min-width: 220px;
}

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

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 16px;
}

.catalog-item-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: var(--transition-fast);
}

.catalog-item-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
}

.card-top-category {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
}

.card-item-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
}

.card-item-vehicles {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.card-parts-clash {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  background: var(--bg-input);
  padding: 10px 12px;
  border-radius: var(--radius-xs);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.part-box-febi {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.part-box-bp {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: right;
}

.part-box-label {
  font-size: 0.7rem;
  font-weight: 700;
}

.part-box-code {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
}

.btn-card-compare {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: var(--transition-fast);
}

.btn-card-compare:hover {
  background: var(--bp-blue);
  border-color: var(--bp-blue);
}

/* Batch Section */
.batch-section {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.batch-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.batch-table-wrapper {
  overflow-x: auto;
}

.batch-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.batch-table th {
  padding: 10px 14px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.batch-table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  vertical-align: middle;
}

.batch-input {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 7px 10px;
  border-radius: var(--radius-xs);
  outline: none;
  width: 100%;
}

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

.btn-remove-row {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 4px;
}

.btn-remove-row:hover {
  color: #ef4444;
}

.batch-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.batch-left-actions {
  display: flex;
  gap: 10px;
}

.batch-summary-card {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  padding: 18px;
  border-radius: var(--radius-md);
}

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

.metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 800;
  color: #fff;
}

.metric-sub {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* History Section */
.history-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.history-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  transition: var(--transition-fast);
}

.history-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
}

.history-row-main {
  display: flex;
  align-items: center;
  gap: 14px;
}

.history-meta-brand {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.history-part-badges {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 600;
}

.history-price-summary {
  display: flex;
  align-items: center;
  gap: 14px;
}

.history-delta-tag {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  background: var(--winner-green-soft);
  color: var(--winner-green);
  border: 1px solid var(--winner-green-border);
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(3, 7, 18, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal-backdrop.open {
  display: flex;
}

.modal-dialog {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  width: 100%;
  max-width: 540px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.1rem;
}

.modal-close:hover {
  color: #fff;
}

/* Footer */
.app-footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  line-height: 1.5;
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer-link:hover {
  color: #fff;
}

/* Spin Utility */
.animate-spin {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Responsive Media Queries */
@media (max-width: 900px) {
  .search-grid {
    grid-template-columns: 1fr;
  }

  .vs-divider {
    padding-top: 0;
    flex-direction: row;
  }

  .comparison-grid {
    grid-template-columns: 1fr;
  }

  .winner-banner {
    flex-direction: column;
    align-items: flex-start;
  }

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

@media (max-width: 640px) {
  .app-header {
    flex-direction: column;
    gap: 14px;
    align-items: stretch;
  }

  .search-actions {
    flex-direction: column;
  }

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