/**
 * Computer Buying Guide - Styles
 * Filter chips and computer list
 */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

/* ============================================
   CSS Variables
   ============================================ */
.buying-guide-tool {
  --bg-font-mono: 'JetBrains Mono', 'SF Mono', 'Consolas', monospace;
  --bg-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Colors - Dark mode defaults */
  --bg-surface: rgba(255, 255, 255, 0.02);
  --bg-surface-raised: rgba(255, 255, 255, 0.04);
  --bg-border: rgba(255, 255, 255, 0.08);
  --bg-border-light: rgba(255, 255, 255, 0.05);

  --bg-text: #e0e0e0;
  --bg-text-muted: #9e9e9e;
  --bg-text-faint: #616161;

  /* Accent colors */
  --bg-accent: #00d4ff;
  --bg-accent-dim: rgba(0, 212, 255, 0.08);
  --bg-green: #00e676;
  --bg-green-dim: rgba(0, 230, 118, 0.08);
  --bg-yellow: #ffab00;
  --bg-yellow-dim: rgba(255, 171, 0, 0.08);
  --bg-purple: #b388ff;
  --bg-purple-dim: rgba(179, 136, 255, 0.08);
  --bg-orange: #ff7043;
  --bg-orange-dim: rgba(255, 112, 67, 0.08);
  --bg-blue: #42a5f5;
  --bg-blue-dim: rgba(66, 165, 245, 0.08);

  /* Spacing */
  --bg-gap: 12px;
  --bg-radius: 6px;
}

/* Light mode overrides */
[data-md-color-scheme="default"] .buying-guide-tool {
  --bg-surface: #ffffff;
  --bg-surface-raised: #f6f8fa;
  --bg-border: #d0d7de;
  --bg-border-light: #d8dee4;
  --bg-text: #1f2328;
  --bg-text-muted: #656d76;
  --bg-text-faint: #8c959f;
  --bg-accent: #0969da;
  --bg-accent-dim: rgba(9, 105, 218, 0.1);
  --bg-green: #1a7f37;
  --bg-green-dim: rgba(26, 127, 55, 0.1);
  --bg-yellow: #9a6700;
  --bg-yellow-dim: rgba(154, 103, 0, 0.1);
  --bg-purple: #8250df;
  --bg-purple-dim: rgba(130, 80, 223, 0.1);
  --bg-orange: #bc4c00;
  --bg-orange-dim: rgba(188, 76, 0, 0.1);
  --bg-blue: #0550ae;
  --bg-blue-dim: rgba(5, 80, 174, 0.1);
}

/* ============================================
   Main Container
   ============================================ */
.buying-guide-tool {
  font-family: var(--bg-font-sans);
}

/* ============================================
   Intro Text
   ============================================ */
.guide-intro {
  font-size: 0.95rem;
  color: var(--bg-text-muted);
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.last-updated {
  font-family: var(--bg-font-mono);
  font-size: 0.7rem;
  color: var(--bg-text-faint);
  margin-bottom: 1.5rem;
}

/* ============================================
   Requirements Box
   ============================================ */
.requirements-box {
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--bg-radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

.requirements-box h4 {
  font-family: var(--bg-font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--bg-accent);
  margin: 0 0 0.75rem 0;
}

.requirements-box ul {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.875rem;
  color: var(--bg-text-muted);
}

.requirements-box li {
  margin-bottom: 0.35rem;
}

.requirements-box li:last-child {
  margin-bottom: 0;
}

.requirements-link {
  display: inline-block;
  margin-top: 0.75rem;
  font-family: var(--bg-font-mono);
  font-size: 0.75rem;
  color: var(--bg-accent);
  text-decoration: none;
  transition: opacity 0.15s ease;
}

.requirements-link:hover {
  opacity: 0.8;
}

/* ============================================
   USB Legend
   ============================================ */
.usb-legend {
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--bg-radius);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
}

.usb-legend h4 {
  font-family: var(--bg-font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--bg-text-faint);
  margin: 0 0 0.5rem 0;
}

.legend-items {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--bg-font-mono);
  font-size: 0.7rem;
  color: var(--bg-text-muted);
}

/* ============================================
   USB Tags
   ============================================ */
.usb-tag {
  display: inline-block;
  font-family: var(--bg-font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  padding: 2px 6px;
  border-radius: 3px;
  margin-right: 4px;
}

.usb-tag.usb4 {
  background: var(--bg-purple-dim);
  color: var(--bg-purple);
}

.usb-tag.tb4 {
  background: var(--bg-accent-dim);
  color: var(--bg-accent);
}

.usb-tag.tb3 {
  background: var(--bg-blue-dim);
  color: var(--bg-blue);
}

.usb-tag.gen2x2 {
  background: var(--bg-orange-dim);
  color: var(--bg-orange);
}

.usb-tag.gen2 {
  background: var(--bg-surface-raised);
  border: 1px solid var(--bg-border);
  color: var(--bg-text-faint);
}

/* ============================================
   Filter Section
   ============================================ */
.filter-section {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 1rem;
  padding: 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--bg-radius);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.filter-label {
  font-family: var(--bg-font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--bg-text-faint);
}

.filter-chips {
  display: flex;
  gap: 6px;
}

.buying-guide-tool .filter-chip {
  font-family: var(--bg-font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 6px 12px;
  background: var(--bg-surface-raised);
  border: 1px solid var(--bg-border);
  border-radius: 4px;
  color: var(--bg-text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.buying-guide-tool .filter-chip:hover {
  border-color: var(--bg-text-faint);
}

.buying-guide-tool .filter-chip.active {
  background: var(--bg-accent-dim);
  border-color: var(--bg-accent);
  color: var(--bg-accent);
}

/* ============================================
   Results Count
   ============================================ */
.results-count {
  font-family: var(--bg-font-mono);
  font-size: 0.75rem;
  color: var(--bg-text-faint);
  margin-bottom: 0.75rem;
}

#results-count {
  color: var(--bg-accent);
  font-weight: 600;
}

/* ============================================
   Computer List
   ============================================ */
.computer-list {
  border: 1px solid var(--bg-border);
  border-radius: var(--bg-radius);
  overflow: hidden;
}

.list-header {
  display: grid;
  grid-template-columns: 2fr 1fr 2fr 1fr 90px;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: var(--bg-surface-raised);
  border-bottom: 1px solid var(--bg-border);
  font-family: var(--bg-font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--bg-text-faint);
}

/* Sortable Headers */
.list-header .sortable {
  cursor: pointer;
  user-select: none;
  transition: color 0.15s ease;
  display: flex;
  align-items: center;
  gap: 4px;
}

.list-header .sortable:hover {
  color: var(--bg-accent);
}

.list-header .sortable.active {
  color: var(--bg-accent);
}

.sort-icon {
  display: inline-block;
  width: 10px;
  font-size: 0.5rem;
  opacity: 0.5;
}

.sort-icon::after {
  content: "▼▲";
  font-size: 0.45rem;
  letter-spacing: -2px;
}

.sortable.asc .sort-icon::after {
  content: "▲";
  letter-spacing: 0;
}

.sortable.desc .sort-icon::after {
  content: "▼";
  letter-spacing: 0;
}

.sortable.asc .sort-icon,
.sortable.desc .sort-icon {
  opacity: 1;
}

.list-row {
  display: grid;
  grid-template-columns: 2fr 1fr 2fr 1fr 90px;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--bg-border-light);
  align-items: center;
  transition: background 0.15s ease;
}

.list-row:last-child {
  border-bottom: none;
}

.list-row:hover {
  background: var(--bg-surface-raised);
}

/* Column styles */
.col-model {
  font-family: var(--bg-font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--bg-text);
}

.col-price {
  font-family: var(--bg-font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--bg-green);
}

.col-interface {
  font-family: var(--bg-font-mono);
  font-size: 0.75rem;
  color: var(--bg-text-muted);
}

.col-ports {
  font-family: var(--bg-font-mono);
  font-size: 0.75rem;
  color: var(--bg-text-muted);
}

.col-badge {
  text-align: right;
}

/* ============================================
   Badges
   ============================================ */
.badge {
  display: inline-block;
  font-family: var(--bg-font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  padding: 3px 8px;
  border-radius: 3px;
}

.badge.new {
  background: var(--bg-green-dim);
  color: var(--bg-green);
}

.badge.refurb {
  background: var(--bg-yellow-dim);
  color: var(--bg-yellow);
}

/* ============================================
   No Results Message
   ============================================ */
.no-results {
  text-align: center;
  padding: 2rem;
  font-family: var(--bg-font-mono);
  font-size: 0.875rem;
  color: var(--bg-text-faint);
  background: var(--bg-surface);
  border: 1px dashed var(--bg-border);
  border-radius: var(--bg-radius);
  margin-top: 1rem;
}

/* ============================================
   Responsive
   ============================================ */
@media screen and (max-width: 900px) {
  .list-header {
    display: none;
  }

  .list-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
    padding: 1rem;
  }

  .list-row .col-model {
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
  }

  .list-row .col-price {
    font-size: 0.85rem;
  }

  .list-row .col-interface::before {
    content: "Interface: ";
    color: var(--bg-text-faint);
  }

  .list-row .col-ports::before {
    content: "Ports: ";
    color: var(--bg-text-faint);
  }

  .list-row .col-badge {
    text-align: left;
    margin-top: 0.5rem;
  }

  .legend-items {
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media screen and (max-width: 600px) {
  .filter-section {
    flex-direction: column;
    gap: 1rem;
  }

  .filter-group {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}