/* The Same Scale — styles.css */

:root {
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --color-text: #111111;
  --color-text-secondary: #666666;
  --color-bg: #fafafa;
  --color-border: #e5e5e5;
  --color-surface: #f5f5f5;

  /* Okabe-Ito colorblind-safe palette */
  --color-country: #0173b2;
  --color-individual: #de8f05;
  --color-company: #cc78bc;

  --focus-ring: 3px solid var(--color-country);
  --grid: 8px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

/* Utility */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

a.visually-hidden:focus {
  position: static;
  width: auto;
  height: auto;
  margin: 0;
  padding: calc(var(--grid) * 1) calc(var(--grid) * 2);
  overflow: visible;
  clip: auto;
  white-space: normal;
  background: var(--color-text);
  color: var(--color-bg);
  text-decoration: none;
  font-size: 0.9rem;
  display: block;
  text-align: center;
}

/* Header */
header {
  padding: calc(var(--grid) * 4) calc(var(--grid) * 3);
  text-align: center;
  border-bottom: 2px solid var(--color-text);
}

header h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 calc(var(--grid) * 1) 0;
}

header p {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin: 0;
}

/* Main container */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: calc(var(--grid) * 3) calc(var(--grid) * 3);
}

/* Controls */
.controls {
  margin-bottom: calc(var(--grid) * 3);
}

.filter-section {
  display: flex;
  gap: calc(var(--grid) * 2);
  align-items: center;
  margin: 0 0 calc(var(--grid) * 2) 0;
  padding: 0;
  flex-wrap: wrap;
}

.filter-toggle {
  display: flex;
  align-items: center;
  gap: calc(var(--grid) * 1);
}

.filter-toggle input[type="checkbox"] {
  cursor: pointer;
  accent-color: var(--color-country);
}

.filter-toggle label {
  cursor: pointer;
  user-select: none;
  font-size: 0.9rem;
  font-weight: 500;
}

.search-container {
  position: relative;
  margin: 0 0 calc(var(--grid) * 2) 0;
}

.search-container input {
  width: 100%;
  padding: calc(var(--grid) * 1.25) calc(var(--grid) * 2);
  font-size: 0.95rem;
  font-family: var(--font-body);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-bg);
}

.export-buttons {
  display: flex;
  gap: calc(var(--grid) * 1);
}

.btn-export {
  padding: calc(var(--grid) * 0.75) calc(var(--grid) * 2);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  background: var(--color-text);
  color: var(--color-bg);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: opacity 0.15s;
}

.btn-export:hover { opacity: 0.8; }

/* Result count */
#result-count {
  margin: calc(var(--grid) * 1) 0;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* Table */
.table-container {
  overflow-x: auto;
  margin-bottom: calc(var(--grid) * 2);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

thead th {
  padding: calc(var(--grid) * 1.5) calc(var(--grid) * 1.5);
  text-align: left;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  border-bottom: 2px solid var(--color-text);
  position: sticky;
  top: 0;
  background: var(--color-bg);
}

td {
  padding: calc(var(--grid) * 1.25) calc(var(--grid) * 1.5);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

/* Row type colors — subtle left border only */
tr.entity-row { transition: background 0.1s; }
tr.entity-row:hover { background: var(--color-surface); }

/* Type color now lives in the value bar + name dot, so rows keep a clean
   edge in normal mode (the forced-colors block below restores an edge). */

/* Cell types */
.rank {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  width: 56px;
  text-align: right;
  padding-right: calc(var(--grid) * 2);
}

.entity-name {
  font-weight: 500;
}

/* Value cell becomes a bullet bar: a light rail (the shared scale), a
   colored fill (this entity's value), and a tabular figure to the right. */
.entity-value { width: 42%; }

.bar-track {
  display: flex;
  align-items: center;
  gap: calc(var(--grid) * 1.5);
}

.bar-rail {
  position: relative;
  flex: 1 1 auto;
  min-width: 60px;
  height: 20px;
  background: rgba(17, 17, 17, 0.05);
  border-radius: 3px;
  overflow: hidden;
}

.bar {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  min-width: 2px;
  border-radius: 3px;
  transition: width 0.3s ease;
}

.bar-country { background: var(--color-country); }
.bar-individual { background: var(--color-individual); }
.bar-company { background: var(--color-company); }

.bar-value {
  flex: 0 0 auto;
  width: 108px;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
  white-space: nowrap;
}

.entity-type { width: 100px; }

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

/* Entity dot (replaces FA icons) */
.entity-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: calc(var(--grid) * 1);
  vertical-align: middle;
}

.entity-dot-country { background: var(--color-country); }
.entity-dot-individual { background: var(--color-individual); }
.entity-dot-company { background: var(--color-company); }

/* Type badges */
.type-badge {
  display: inline-block;
  padding: 2px calc(var(--grid) * 1);
  border-radius: 3px;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: capitalize;
}

.type-country {
  background: rgba(1, 115, 178, 0.12);
  color: #015a8e;
}

.type-individual {
  background: rgba(222, 143, 5, 0.12);
  color: #b67204;
}

.type-company {
  background: rgba(204, 120, 188, 0.12);
  color: #a04896;
}

/* Ticker */
.ticker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-left: calc(var(--grid) * 1);
}

/* Pagination */
.pagination-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: calc(var(--grid) * 3);
  padding: calc(var(--grid) * 1.5) 0;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
  gap: calc(var(--grid) * 1.5);
}

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

.pagination-controls {
  display: flex;
  gap: 4px;
  align-items: center;
}

.pagination-btn {
  padding: calc(var(--grid) * 0.75) calc(var(--grid) * 1.25);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text);
  transition: background 0.1s;
  min-width: 32px;
  min-height: 44px;
  text-align: center;
}

.pagination-btn:hover:not(:disabled) {
  background: var(--color-surface);
}

.pagination-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.page-numbers {
  display: flex;
  gap: 4px;
}

.page-number {
  padding: calc(var(--grid) * 0.75) calc(var(--grid) * 1.25);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  min-width: 36px;
  text-align: center;
  transition: background 0.1s;
}

.page-number:hover { background: var(--color-surface); }

.page-number.active {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}

.page-size-selector {
  display: flex;
  align-items: center;
  gap: calc(var(--grid) * 1);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.page-size-selector select {
  padding: calc(var(--grid) * 0.5) calc(var(--grid) * 1);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  background: var(--color-bg);
  cursor: pointer;
}

/* Metadata & warnings */
.metadata-section {
  background: var(--color-surface);
  padding: calc(var(--grid) * 2);
  margin: calc(var(--grid) * 2) 0;
  border-radius: 4px;
}

.metadata-container h3 {
  margin-top: 0;
  font-size: 1rem;
}

.metadata-container ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.metadata-container li {
  padding: calc(var(--grid) * 0.75) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.last-updated {
  margin-top: calc(var(--grid) * 1);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  text-align: right;
}

.data-warning {
  background: #fff3cd;
  color: #856404;
  padding: calc(var(--grid) * 1.5);
  margin: calc(var(--grid) * 2) 0;
  border-radius: 4px;
  border: 1px solid #ffeaa7;
  font-size: 0.9rem;
}

/* Understanding section (collapsible) */
.understanding-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: calc(var(--grid) * 2) calc(var(--grid) * 3);
}

.understanding-section details {
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0;
}

.understanding-section summary {
  padding: calc(var(--grid) * 1.5) calc(var(--grid) * 2);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
  user-select: none;
}

.understanding-section summary:hover { background: var(--color-surface); }

.understanding-content {
  padding: 0 calc(var(--grid) * 2) calc(var(--grid) * 2);
}

.understanding-content p {
  line-height: 1.7;
  margin: 0 0 calc(var(--grid) * 1.5) 0;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

/* Info / data sources sections */
.info-section {
  max-width: 1200px;
  margin: calc(var(--grid) * 4) auto 0;
  padding: calc(var(--grid) * 3) calc(var(--grid) * 3);
  border-top: 1px solid var(--color-border);
}

.info-content h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 calc(var(--grid) * 1.5) 0;
  padding-bottom: calc(var(--grid) * 1);
  border-bottom: none;
}

.info-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.info-list li {
  padding: calc(var(--grid) * 0.75) 0;
  line-height: 1.6;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.info-list li::before { content: none; }

.info-list a {
  color: var(--color-country);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}

.info-list a:hover { border-bottom-color: var(--color-country); }

/* Footer */
footer {
  text-align: center;
  padding: calc(var(--grid) * 3) calc(var(--grid) * 2);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
}

footer p { margin: calc(var(--grid) * 0.5) 0; }

footer a {
  color: var(--color-text-secondary);
  text-decoration: underline;
}

footer a:hover { color: var(--color-text); }

/* Sort indicators */
thead th {
  cursor: pointer;
  user-select: none;
}

thead th:hover {
  background: var(--color-surface);
}

.sort-indicator {
  font-size: 0.7rem;
  margin-left: 4px;
  opacity: 0.6;
}

thead th[aria-sort="ascending"] .sort-indicator,
thead th[aria-sort="descending"] .sort-indicator {
  opacity: 1;
}

/* Focus styles */
button:focus-visible,
input[type="text"]:focus-visible,
input[type="checkbox"]:focus-visible,
select:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 2px;
}

a:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

.pagination-btn:focus-visible,
.btn-export:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 3px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
  }
}

/* High contrast mode */
@media (forced-colors: active) {
  tr.entity-country,
  tr.entity-individual,
  tr.entity-company {
    border-left: 3px solid currentColor;
  }
  .type-badge { border: 1px solid currentColor; }
  .entity-dot { forced-color-adjust: none; }
}

/* Responsive */
@media (max-width: 768px) {
  header { padding: calc(var(--grid) * 3) calc(var(--grid) * 2); }
  header h1 { font-size: 1.5rem; }
  main { padding: calc(var(--grid) * 2); }
  table { font-size: 0.85rem; }
  td, thead th { padding: calc(var(--grid) * 1); }

  .pagination-container {
    flex-direction: column;
    align-items: stretch;
  }
  .pagination-controls { justify-content: center; }
  .pagination-info, .page-size-selector {
    text-align: center;
    justify-content: center;
  }

  .understanding-section,
  .info-section {
    padding-left: calc(var(--grid) * 2);
    padding-right: calc(var(--grid) * 2);
  }

  .pagination-btn { min-height: 44px; min-width: 44px; }
  .btn-export { min-height: 44px; }
}

@media (max-width: 480px) {
  .filter-section { flex-direction: column; align-items: flex-start; }
  .export-buttons { flex-direction: column; }
  .btn-export { width: 100%; justify-content: center; }
}