/* ==========================================================================
   IC Wonders - Design System & Modern Silicon Theme
   ========================================================================== */

:root {
  /* Color Tokens */
  --bg-dark: #070a11;
  --bg-card: #0d1322;
  --bg-card-hover: #121a2e;
  --border-color: rgba(0, 242, 254, 0.15);
  --border-glow: rgba(0, 242, 254, 0.4);

  --accent-cyan: #00f2fe;
  --accent-blue: #4facfe;
  --accent-green: #10b981;
  --accent-amber: #ffb703;
  --accent-purple: #a855f7;

  --text-main: #f1f5f9;
  --text-muted: #cbd5e1;
  --text-dim: #94a3b8;

  --gradient-silicon: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Outfit', var(--font-sans);
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  /* Layout & Glassmorphism */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-glow: 0 0 20px rgba(0, 242, 254, 0.2);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
  --glass-bg: rgba(13, 19, 34, 0.75);
  --glass-border: 1px solid rgba(255, 255, 255, 0.08);
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-blue);
}

/* Navbar Header */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 10, 17, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: var(--glass-border);
  padding: 0.75rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: #fff;
  text-decoration: none;
}

.brand span {
  background: var(--gradient-silicon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

.nav-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
}

.nav-tab {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

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

.nav-tab.active {
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.1);
  border-color: rgba(0, 242, 254, 0.3);
  box-shadow: var(--shadow-glow);
}

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

.nav-search input {
  width: 100%;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 0.45rem 1rem 0.45rem 2.2rem;
  color: #fff;
  font-size: 0.85rem;
  outline: none;
  transition: all 0.2s ease;
}

.nav-search input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.3);
  width: 300px;
}

.nav-search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 0.85rem;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Main Container */
.main-container {
  max-width: 1380px;
  margin: 0 auto;
  padding: 2rem;
}

/* Hero Section */
.hero-banner {
  background: linear-gradient(135deg, rgba(13, 19, 34, 0.9) 0%, rgba(7, 10, 17, 0.95) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem;
  margin-bottom: 2.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2rem;
  align-items: center;
}

.hero-tag {
  display: inline-block;
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.3);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 680px;
  margin-bottom: 1.75rem;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.25rem;
  margin-top: 1.5rem;
}

.stat-val {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-cyan);
  display: block;
}

.stat-lbl {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
}

/* Chip Visualizer */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.chip-render {
  width: 220px;
  height: 220px;
  background: #0d1527;
  border: 2px solid var(--accent-cyan);
  border-radius: 12px;
  position: relative;
  box-shadow: var(--shadow-glow);
  display: flex;
  align-items: center;
  justify-content: center;
}

.chip-pins {
  position: absolute;
  display: flex;
  gap: 12px;
}

.chip-pins.top { top: -14px; flex-direction: row; }
.chip-pins.bottom { bottom: -14px; flex-direction: row; }
.chip-pins.left { left: -14px; flex-direction: column; }
.chip-pins.right { right: -14px; flex-direction: column; }

.chip-pin {
  width: 10px;
  height: 14px;
  background: #475569;
  border-radius: 2px;
}

.chip-pins.left .chip-pin, .chip-pins.right .chip-pin {
  width: 14px;
  height: 10px;
}

.chip-die {
  background: #070a11;
  border: 1px dashed var(--accent-blue);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
}

.chip-die-text {
  font-family: var(--font-display);
  font-weight: 800;
  color: #fff;
  font-size: 1.1rem;
}

.chip-die-sub {
  font-size: 0.7rem;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

/* SPA View Sections */
.view-section {
  display: none;
}

.view-section.active {
  display: block;
}

/* Parametric Catalog View */
.section-header {
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
}

.section-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.catalog-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.75rem;
}

.catalog-sidebar {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  height: fit-content;
}

.filter-group {
  margin-bottom: 1.25rem;
}

.filter-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.6rem;
}

.filter-checkbox-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.filter-checkbox-label {
  font-size: 0.88rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

/* Products Grid & Cards */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  width: 100%;
  box-sizing: border-box;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}

.product-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.product-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.product-category-tag {
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.25);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.product-mfr {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.product-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.25rem;
}

.product-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 1rem;
}

.product-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-pioneer-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 183, 3, 0.1);
  border: 1px solid rgba(255, 183, 3, 0.3);
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  margin-top: 0.5rem;
  font-size: 0.78rem;
  color: var(--accent-amber);
  max-width: 100%;
  overflow: hidden;
}

.pioneer-badge-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.product-card-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 0.75rem;
}

.product-specs-table {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  background: rgba(7, 10, 17, 0.6);
  padding: 0.65rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0;
}

.product-card-actions {
  display: grid !important;
  grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  gap: 0.35rem !important;
  width: 100% !important;
  box-sizing: border-box !important;
}

.card-action-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 100% !important;
  max-width: 100% !important;
  min-width: 0 !important;
  height: 34px !important;
  padding: 0 0.15rem !important;
  font-size: 0.75rem !important;
  font-weight: 700 !important;
  font-family: var(--font-sans) !important;
  border-radius: var(--radius-sm) !important;
  box-sizing: border-box !important;
  text-decoration: none !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
  line-height: 1 !important;
  -webkit-appearance: none !important;
  appearance: none !important;
}

.card-action-btn span {
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  white-space: nowrap !important;
  max-width: 100% !important;
}

.inspect-btn,
.bench-card-btn,
.compare-card-btn {
  background: #1e293b !important;
  border: 1px solid rgba(255, 255, 255, 0.2) !important;
  color: #f8fafc !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3) !important;
}

.inspect-btn:hover,
.bench-card-btn:hover,
.compare-card-btn:hover {
  background: #0f172a !important;
  border-color: var(--accent-cyan) !important;
  color: var(--accent-cyan) !important;
}

.bench-card-btn.active {
  background: rgba(255, 183, 3, 0.2) !important;
  border-color: var(--accent-amber) !important;
  color: var(--accent-amber) !important;
}

.compare-card-btn.active {
  background: rgba(0, 242, 254, 0.2) !important;
  border-color: var(--accent-cyan) !important;
  color: var(--accent-cyan) !important;
}

.buy-card-btn,
a.buy-card-btn,
a.buy-card-btn:link,
a.buy-card-btn:visited,
a.buy-card-btn:active {
  background: #10b981 !important;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
  color: #ffffff !important;
  border: 1px solid #34d399 !important;
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.4) !important;
}

.buy-card-btn span,
a.buy-card-btn span {
  color: #ffffff !important;
}

.buy-card-btn:hover,
a.buy-card-btn:hover {
  background: #059669 !important;
  background: linear-gradient(135deg, #34d399 0%, #10b981 100%) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.6) !important;
}

.stock-card-btn,
a.stock-card-btn,
a.stock-card-btn:link,
a.stock-card-btn:visited,
a.stock-card-btn:active {
  background: #0f172a !important;
  color: #00f2fe !important;
  border: 1px solid #00f2fe !important;
  box-shadow: 0 2px 6px rgba(0, 242, 254, 0.2) !important;
}

.stock-card-btn span,
a.stock-card-btn span {
  color: #00f2fe !important;
}

.stock-card-btn:hover,
a.stock-card-btn:hover {
  background: rgba(0, 242, 254, 0.25) !important;
  color: #ffffff !important;
}

.stock-card-btn:hover span,
a.stock-card-btn:hover span {
  color: #ffffff !important;
}

.spec-cell-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
}

.spec-cell-value {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-main);
  font-family: var(--font-mono);
}

/* Smart Fuzzy Search Color-Coded Tiers & Diagnostics */
.match-tier-ideal {
  border-color: rgba(16, 185, 129, 0.6) !important;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.15) !important;
}

.match-tier-fuzzy {
  border-color: rgba(255, 183, 3, 0.6) !important;
  background: rgba(255, 183, 3, 0.03) !important;
}

.badge-ideal {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.4);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.badge-fuzzy {
  background: rgba(255, 183, 3, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(255, 183, 3, 0.4);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.marginal-trait-badge {
  background: rgba(255, 183, 3, 0.1);
  color: var(--accent-amber);
  border: 1px solid rgba(255, 183, 3, 0.25);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.6rem;
  font-size: 0.78rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.exclusion-diagnostic-banner {
  background: linear-gradient(135deg, rgba(255, 183, 3, 0.12) 0%, rgba(0, 242, 254, 0.08) 100%);
  border: 1px solid rgba(255, 183, 3, 0.4);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--text-main);
  font-size: 0.9rem;
  line-height: 1.5;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.exclusion-diagnostic-banner code {
  background: rgba(0, 0, 0, 0.4);
  color: var(--accent-cyan);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-family: var(--font-mono);
}

/* History Timeline View */
.history-controls {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 2rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.era-filter {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.5rem 1.25rem;
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.era-filter:hover {
  color: #fff;
  border-color: var(--accent-cyan);
}

.era-filter.active {
  background: var(--accent-cyan);
  color: #070a11;
  font-weight: 700;
  border-color: var(--accent-cyan);
}

.timeline-container {
  position: relative;
  padding-left: 2rem;
  border-left: 2px solid rgba(0, 242, 254, 0.2);
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  position: relative;
}

.timeline-card::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 1.75rem;
  transform: translateX(-50%);
  width: 14px;
  height: 14px;
  background: var(--accent-cyan);
  border: 3px solid var(--bg-dark);
  border-radius: 50%;
  box-shadow: var(--shadow-glow);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.timeline-year {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.8rem;
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.1);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex-shrink: 1;
  display: inline-block;
}

.timeline-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}

.timeline-body {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.timeline-pioneer {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--accent-amber);
}

/* Semiconductor Wafer Fabrication Explorer */
.fab-explorer {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-top: 3rem;
}

.fab-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.fab-step-card {
  background: rgba(7, 10, 17, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.fab-step-card:hover, .fab-step-card.active {
  border-color: var(--accent-green);
  background: rgba(16, 185, 129, 0.1);
}

.fab-step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-green);
  font-weight: 700;
}

.fab-step-title {
  font-weight: 700;
  color: #fff;
  font-size: 0.95rem;
  margin: 0.25rem 0;
}

/* Cross-Reference Matrix View */
.alternates-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.alternates-table th {
  background: rgba(7, 10, 17, 0.9);
  padding: 0.85rem 1rem;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-color);
}

.alternates-table td {
  padding: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.88rem;
}

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

.compat-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.65rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.compat-dropin {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.compat-upgrade {
  background: rgba(79, 172, 254, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(79, 172, 254, 0.3);
}

.compat-near {
  background: rgba(255, 183, 3, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(255, 183, 3, 0.3);
}

/* App Notes & Calculators View */
.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.calc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.calc-input-group {
  margin-bottom: 1rem;
}

.calc-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.calc-input {
  width: 100%;
  background: rgba(7, 10, 17, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  color: #fff;
  font-family: var(--font-mono);
  outline: none;
}

.calc-input:focus {
  border-color: var(--accent-cyan);
}

.calc-result-box {
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.3);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-top: 1rem;
  text-align: center;
}

.calc-result-val {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent-cyan);
}

/* Buttons & UI Helpers */
.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #070a11;
  font-weight: 700;
  border: none;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-ghost:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* Modal Overlay & Drawer Fixes */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal-overlay.active {
  display: flex !important;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2rem;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.modal-close, .modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

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

/* Responsive Breakpoints */
@media (max-width: 900px) {
  .hero-banner {
    grid-template-columns: 1fr;
  }
  .catalog-layout {
    grid-template-columns: 1fr;
  }
  .calc-grid {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    display: none;
  }
}

@media (max-width: 768px) {
  .navbar {
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
  }

  .nav-tabs {
    order: 3;
    width: 100%;
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 0.4rem;
    margin-top: 0.25rem;
    -webkit-overflow-scrolling: touch;
  }

  .nav-tab {
    flex-shrink: 0;
    font-size: 0.8rem;
    padding: 0.4rem 0.75rem;
  }

  .nav-search {
    flex: 1;
    min-width: 160px;
  }

  .nav-actions {
    display: none;
  }

  .main-container {
    padding: 1rem;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
  }

  .history-controls {
    flex-wrap: nowrap;
    overflow-x: auto;
  }

  .modal-content {
    padding: 1.25rem;
    max-height: 92vh;
    width: 95vw;
  }

  .schematic-svg {
    width: 100%;
    height: auto;
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .product-specs-table {
    grid-template-columns: 1fr 1fr;
    font-size: 0.75rem;
  }

  .product-card-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Distributor Affiliate & Stock Search Styling */
.btn-distributor {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  width: 100%;
  max-width: 100%;
  height: 32px;
  padding: 0 0.15rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.75rem;
  text-decoration: none;
  transition: all 0.2s ease;
  box-sizing: border-box;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.btn-distributor.btn-jameco-modal {
  height: 38px;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  width: auto;
}

.buy-card-btn,
.btn-jameco,
a.buy-card-btn,
a.btn-jameco,
a.buy-card-btn:link,
a.btn-jameco:link,
a.buy-card-btn:visited,
a.btn-jameco:visited {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
  color: #ffffff !important;
  border: 1px solid #34d399 !important;
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.35) !important;
  text-decoration: none !important;
}

.buy-card-btn span,
.btn-jameco span,
a.buy-card-btn span,
a.btn-jameco span {
  color: #ffffff !important;
}

.buy-card-btn:hover,
.btn-jameco:hover,
a.buy-card-btn:hover,
a.btn-jameco:hover {
  background: linear-gradient(135deg, #34d399 0%, #10b981 100%) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.5) !important;
}

.stock-card-btn,
.btn-stock-search,
a.stock-card-btn,
a.btn-stock-search,
a.stock-card-btn:link,
a.btn-stock-search:link,
a.stock-card-btn:visited,
a.btn-stock-search:visited {
  background: rgba(15, 23, 42, 0.9) !important;
  color: var(--accent-cyan) !important;
  border: 1px solid var(--accent-cyan) !important;
  text-decoration: none !important;
}

.stock-card-btn span,
.btn-stock-search span,
a.stock-card-btn span,
a.btn-stock-search span {
  color: var(--accent-cyan) !important;
}

.stock-card-btn:hover,
.btn-stock-search:hover,
a.stock-card-btn:hover,
a.btn-stock-search:hover {
  background: rgba(0, 242, 254, 0.2) !important;
  color: #ffffff !important;
}

.stock-card-btn:hover span,
.btn-stock-search:hover span,
a.stock-card-btn:hover span,
a.btn-stock-search:hover span {
  color: #ffffff !important;
}

.part-no-pill {
  background: rgba(0, 0, 0, 0.25);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.9);
  margin-left: auto;
}

.affiliate-disclaimer {
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.4;
  margin-top: 0.25rem;
}

/* Cmd+K Badge */
.cmd-badge {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-dim);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  font-weight: 700;
  margin-left: 0.5rem;
}

/* Bench Badge Pill */
.bench-count-badge {
  background: var(--accent-amber);
  color: #070a11;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.75rem;
  padding: 0.1rem 0.45rem;
  border-radius: 10px;
  margin-left: 0.3rem;
}

/* Breadboard Bench Drawer Overlay */
.bench-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(7, 10, 17, 0.7);
  backdrop-filter: blur(8px);
  z-index: 900;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

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

.bench-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 420px;
  max-width: 90vw;
  height: 100vh;
  background: var(--bg-dark);
  border-left: 1px solid var(--border-color);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 901;
}

.bench-drawer-overlay.active .bench-drawer {
  transform: translateX(0);
}

.bench-drawer-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.bench-drawer-close {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 1.5rem;
  cursor: pointer;
}
.bench-drawer-close:hover { color: #fff; }

.bench-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.bench-item-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.bench-drawer-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border-color);
  background: rgba(13, 19, 34, 0.8);
}

/* Command Palette Overlay */
.cmd-palette-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(7, 10, 17, 0.8);
  backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 10vh;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.cmd-palette-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.cmd-palette-modal {
  width: 650px;
  max-width: 90vw;
  background: var(--bg-card);
  border: 1px solid var(--accent-cyan);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 242, 254, 0.2);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 75vh;
}

.cmd-palette-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  background: rgba(7, 10, 17, 0.6);
}

.cmd-palette-input {
  flex: 1;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.1rem;
  font-family: var(--font-sans);
  outline: none;
}

.cmd-palette-results {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem 0;
}

.cmd-palette-section-title {
  padding: 0.5rem 1.25rem;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cmd-palette-item {
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 0.15s ease;
}

.cmd-palette-item:hover, .cmd-palette-item.selected {
  background: rgba(0, 242, 254, 0.1);
}

.cmd-palette-footer {
  padding: 0.6rem 1.25rem;
  border-top: 1px solid var(--border-color);
  background: rgba(7, 10, 17, 0.8);
  display: flex;
  gap: 1.25rem;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.cmd-palette-footer code {
  background: rgba(255, 255, 255, 0.1);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  color: var(--accent-cyan);
}

/* Parametric Comparison View Table */
.compare-table-container {
  overflow-x: auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.compare-table th, .compare-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
}

.compare-table th:last-child, .compare-table td:last-child {
  border-right: none;
}

.param-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  background: rgba(7, 10, 17, 0.4);
}

.param-value {
  font-size: 0.9rem;
  color: var(--text-main);
}

/* Printable Cheat Sheets View */
.cheatsheet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1.5rem;
}

.cheatsheet-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.cheatsheet-card-header {
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.cheatsheet-card-header h3 {
  font-size: 1.1rem;
  color: #fff;
  margin-top: 0.25rem;
}

.cheatsheet-spec-line {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

.cheatsheet-content-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.pinout-box, .truthtable-box {
  background: rgba(7, 10, 17, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.65rem;
  font-size: 0.78rem;
}

.cheat-table {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
  font-size: 0.78rem;
}

.cheat-table th, .cheat-table td {
  padding: 0.2rem 0.4rem;
  border: 1px solid var(--border-color);
}

/* @media print Stylesheet for Lab Binders */
@media print {
  .navbar, .history-controls, .section-header, .print-hide, .nav-actions, .bench-drawer-overlay, .cmd-palette-overlay {
    display: none !important;
  }

  body {
    background: #ffffff !important;
    color: #000000 !important;
  }

  .main-container {
    padding: 0 !important;
  }

  .cheatsheet-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 1cm !important;
  }

  .cheatsheet-card {
    background: #ffffff !important;
    border: 1px solid #000000 !important;
    color: #000000 !important;
    page-break-inside: avoid;
  }

  .cheatsheet-card-header h3 {
    color: #000000 !important;
  }

  .pinout-box, .truthtable-box {
    background: #f8fafc !important;
    border: 1px solid #cbd5e1 !important;
    color: #000000 !important;
  }

  .product-category-tag {
    background: #e2e8f0 !important;
    color: #000000 !important;
    border: 1px solid #94a3b8 !important;
  }
}

/* Audit & Provenance Console Styles */
.audit-filter-btn {
  background: rgba(15, 23, 42, 0.7);
  color: #94a3b8;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.45rem 0.85rem;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.audit-filter-btn:hover {
  background: rgba(30, 41, 59, 0.9);
  color: #f8fafc;
  border-color: rgba(255, 255, 255, 0.2);
}

.audit-filter-btn.active {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  border-color: rgba(59, 130, 246, 0.4);
  font-weight: 600;
}

.audit-ic-card:hover {
  transform: translateY(-2px);
  border-color: rgba(59, 130, 246, 0.4) !important;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}