:root {
  --hd-color-primary: #1A2B1F;
  --hd-color-primary-mid: #2D4A35;
  --hd-color-primary-light: #3D6B47;
  --hd-color-accent: #B87333;
  --hd-color-accent-light: #D4924A;
  --hd-color-accent-pale: #F5EDD9;
  --hd-color-white: #FFFFFF;
  --hd-color-bg: #F8F7F4;
  --hd-color-bg-alt: #EFEFEB;
  --hd-color-surface: #FFFFFF;
  --hd-color-text-main: #1A2B1F;
  --hd-color-text-body: #3A4A3E;
  --hd-color-text-muted: #6B7B6E;
  --hd-color-text-light: #9BAA9E;
  --hd-color-border: #E2E0DA;
  --hd-color-border-strong: #C8C5BC;
  --hd-color-success: #2D6A4F;
  --hd-color-highlight: #F2EFE9;
  --hd-font-display: 'Sora', sans-serif;
  --hd-font-body: 'Inter', sans-serif;
  --hd-radius-sm: 6px;
  --hd-radius-md: 10px;
  --hd-radius-lg: 16px;
  --hd-radius-xl: 24px;
  --hd-radius-pill: 100px;
  --hd-shadow-sm: 0 1px 3px rgba(26,43,31,0.07), 0 1px 2px rgba(26,43,31,0.04);
  --hd-shadow-md: 0 4px 16px rgba(26,43,31,0.09), 0 2px 6px rgba(26,43,31,0.05);
  --hd-shadow-lg: 0 12px 40px rgba(26,43,31,0.12), 0 4px 12px rgba(26,43,31,0.06);
  --hd-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --hd-transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --hd-header-height: 72px;
  --hd-announcement-height: 40px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  font-family: var(--hd-font-body);
  background: var(--hd-color-bg);
  color: var(--hd-color-text-body);
  -webkit-font-smoothing: antialiased;
}

/* ============================================================
   DEMO PAGE — this is only the "swatches on a product page"
   stand-in the trigger button lives in. Not part of the deliverable's
   design system, just enough scaffolding to show the popup in context.
   ============================================================ */
.demo-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 88px 24px 120px;
}
.demo-eyebrow {
  font-family: var(--hd-font-body);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--hd-color-accent);
  margin-bottom: 14px;
}
.demo-title {
  font-family: var(--hd-font-display);
  font-size: clamp(28px, 4.5vw, 38px);
  font-weight: 700;
  color: var(--hd-color-primary);
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  line-height: 1.15;
}
.demo-sub {
  font-size: 15.5px;
  color: var(--hd-color-text-muted);
  line-height: 1.6;
  max-width: 46ch;
  margin: 0 0 44px;
}
.demo-label {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--hd-color-text-main);
  margin-bottom: 16px;
}
.swatch-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.demo-swatch {
  width: 44px;
  height: 44px;
  border-radius: var(--hd-radius-sm);
  border: 1px solid var(--hd-color-border);
  box-shadow: var(--hd-shadow-sm);
  cursor: pointer;
  transition: transform var(--hd-transition), box-shadow var(--hd-transition);
  position: relative;
}
.demo-swatch:hover { transform: translateY(-2px); box-shadow: var(--hd-shadow-md); }

.demo-swatch--custom {
  width: auto;
  height: 44px;
  padding: 0 18px 0 14px;
  border-radius: var(--hd-radius-pill);
  background: var(--hd-color-primary);
  border: 1px solid var(--hd-color-primary);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--hd-color-white);
  font-family: var(--hd-font-body);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.demo-swatch--custom i { font-size: 12px; color: var(--hd-color-accent-light); }
.demo-swatch--custom:hover { background: var(--hd-color-primary-mid); border-color: var(--hd-color-primary-mid); }
.demo-swatch--custom:hover i { transform: rotate(90deg); }
.demo-swatch--custom i { transition: transform var(--hd-transition); }

.demo-note {
  margin-top: 28px;
  padding: 14px 16px;
  background: var(--hd-color-surface);
  border: 1px solid var(--hd-color-border);
  border-radius: var(--hd-radius-md);
  font-size: 13px;
  color: var(--hd-color-text-muted);
  display: flex;
  gap: 10px;
  align-items: flex-start;
  line-height: 1.55;
}
.demo-note i { color: var(--hd-color-accent); margin-top: 2px; }

/* ============================================================
   MODAL SHELL
   ============================================================ */
.ral-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 22, 17, 0.56);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--hd-transition-slow), visibility var(--hd-transition-slow);
}
.ral-overlay.is-open { opacity: 1; visibility: visible; }

.ral-modal {
  width: 100%;
  max-width: 1080px;
  height: min(760px, 90vh);
  background: var(--hd-color-surface);
  border-radius: var(--hd-radius-xl);
  box-shadow: var(--hd-shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(18px) scale(0.98);
  opacity: 0;
  transition: transform var(--hd-transition-slow), opacity var(--hd-transition-slow);
}
.ral-overlay.is-open .ral-modal { transform: translateY(0) scale(1); opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  .ral-overlay, .ral-modal, .swatch, .ral-group-btn, .ral-swatch-selected-ring, .fa-spin-slow { transition: none !important; animation: none !important; }
}

/* ---------- Header ---------- */
.ral-header {
  flex-shrink: 0;
  background: var(--hd-color-primary);
  background-image: linear-gradient(135deg, var(--hd-color-primary) 0%, var(--hd-color-primary-mid) 100%);
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  position: relative;
}
.ral-header::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--hd-color-accent) 0%, var(--hd-color-accent-light) 50%, var(--hd-color-accent) 100%);
  opacity: 0.9;
}
.ral-header-text { min-width: 0; }
.ral-header-eyebrow {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--hd-color-accent-light);
  margin: 0 0 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.ral-header-eyebrow .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--hd-color-accent-light); display: inline-block; }
.ral-header h2 {
  font-family: var(--hd-font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--hd-color-white);
  margin: 0;
  letter-spacing: -0.01em;
}
.ral-header-meta {
  font-size: 13px;
  color: rgba(255,255,255,0.62);
  margin-top: 4px;
  font-weight: 400;
}
.ral-close-btn {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.08);
  color: var(--hd-color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 15px;
  transition: background var(--hd-transition), border-color var(--hd-transition), transform var(--hd-transition);
}
.ral-close-btn:hover { background: rgba(255,255,255,0.16); border-color: rgba(255,255,255,0.3); transform: rotate(90deg); }
.ral-close-btn:focus-visible { outline: 2px solid var(--hd-color-accent-light); outline-offset: 2px; }

/* ---------- Toolbar (search + view info) ---------- */
.ral-toolbar {
  flex-shrink: 0;
  padding: 16px 28px;
  border-bottom: 1px solid var(--hd-color-border);
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--hd-color-surface);
}
.ral-search {
  flex: 1;
  position: relative;
  max-width: 360px;
}
.ral-search i.fa-magnifying-glass {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--hd-color-text-light);
  font-size: 13.5px;
  pointer-events: none;
}
.ral-search input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  border-radius: var(--hd-radius-pill);
  border: 1px solid var(--hd-color-border);
  background: var(--hd-color-bg);
  font-family: var(--hd-font-body);
  font-size: 13.5px;
  color: var(--hd-color-text-main);
  transition: border-color var(--hd-transition), box-shadow var(--hd-transition), background var(--hd-transition);
}
.ral-search input::placeholder { color: var(--hd-color-text-light); }
.ral-search input:focus {
  outline: none;
  border-color: var(--hd-color-accent);
  background: var(--hd-color-white);
  box-shadow: 0 0 0 3px var(--hd-color-accent-pale);
}
.ral-search-clear {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--hd-color-text-light);
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 11px;
}
.ral-search-clear.is-visible { display: flex; }
.ral-search-clear:hover { background: var(--hd-color-bg-alt); color: var(--hd-color-text-muted); }

.ral-result-count {
  font-size: 12.5px;
  color: var(--hd-color-text-muted);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.ral-result-count strong { color: var(--hd-color-text-main); font-weight: 600; }

.ral-toolbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.ral-note-pill {
  display: none;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  color: var(--hd-color-text-light);
  padding: 6px 10px;
  border-radius: var(--hd-radius-pill);
  background: var(--hd-color-bg);
}
@media (min-width: 900px) { .ral-note-pill { display: inline-flex; } }
.ral-note-pill i { color: var(--hd-color-text-light); font-size: 10px; }

/* ---------- Body: rail + grid ---------- */
.ral-body {
  flex: 1;
  display: flex;
  min-height: 0;
}

.ral-rail {
  flex-shrink: 0;
  width: 196px;
  border-right: 1px solid var(--hd-color-border);
  background: var(--hd-color-bg);
  padding: 16px 12px;
  overflow-y: auto;
}
.ral-rail-heading {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--hd-color-text-light);
  padding: 4px 10px 10px;
}
.ral-group-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--hd-radius-sm);
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: var(--hd-font-body);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--hd-color-text-body);
  text-align: left;
  margin-bottom: 2px;
  transition: background var(--hd-transition), color var(--hd-transition);
}
.ral-group-btn:hover { background: var(--hd-color-bg-alt); }
.ral-group-btn:focus-visible { outline: 2px solid var(--hd-color-accent); outline-offset: -2px; }
.ral-group-btn.is-active { background: var(--hd-color-primary); color: var(--hd-color-white); }
.ral-group-btn.is-active .ral-group-count { color: rgba(255,255,255,0.55); }
.ral-group-swatch {
  width: 16px;
  height: 16px;
  border-radius: 5px;
  flex-shrink: 0;
  border: 1px solid rgba(0,0,0,0.08);
}
.ral-group-label { flex: 1; }
.ral-group-count {
  font-size: 11.5px;
  color: var(--hd-color-text-light);
  font-variant-numeric: tabular-nums;
}

.ral-rail-divider { height: 1px; background: var(--hd-color-border); margin: 12px 6px; }

/* ---------- Swatch grid ---------- */
.ral-grid-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px 24px;
  min-width: 0;
}
.ral-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(58px, 1fr));
  gap: 10px;
}
.swatch {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--hd-radius-sm);
  border: 1px solid rgba(0,0,0,0.07);
  cursor: pointer;
  transition: transform 0.15s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0;
  outline-offset: 2px;
}
.swatch:hover { transform: scale(1.08); box-shadow: var(--hd-shadow-md); z-index: 2; }
.swatch:focus-visible { outline: 2px solid var(--hd-color-accent); z-index: 3; }
.swatch.is-selected {
  box-shadow: 0 0 0 2px var(--hd-color-surface), 0 0 0 4px var(--hd-color-accent);
  transform: scale(1.05);
  z-index: 2;
}
.swatch.is-selected::after {
  content: '\f00c';
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--swatch-check-color, #fff);
  text-shadow: 0 1px 3px rgba(0,0,0,0.35);
}
.swatch.is-light-check::after { --swatch-check-color: #1A2B1F; text-shadow: none; }

.ral-empty-state {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  color: var(--hd-color-text-muted);
}
.ral-empty-state.is-visible { display: flex; }
.ral-empty-state i { font-size: 28px; color: var(--hd-color-border-strong); margin-bottom: 14px; }
.ral-empty-state p { margin: 0 0 4px; font-size: 14.5px; font-weight: 600; color: var(--hd-color-text-main); }
.ral-empty-state span { font-size: 13px; }

/* ---------- Inspector (footer) ---------- */
.ral-inspector {
  flex-shrink: 0;
  border-top: 1px solid var(--hd-color-border);
  background: var(--hd-color-bg-alt);
  padding: 18px 28px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.ral-inspector-chip {
  width: 64px;
  height: 64px;
  border-radius: var(--hd-radius-md);
  border: 1px solid rgba(0,0,0,0.08);
  flex-shrink: 0;
  box-shadow: var(--hd-shadow-sm);
  background: var(--hd-color-border);
  position: relative;
  overflow: hidden;
}
.ral-inspector-chip::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(45deg, #ddd 25%, transparent 25%),
    linear-gradient(-45deg, #ddd 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #ddd 75%),
    linear-gradient(-45deg, transparent 75%, #ddd 75%);
  background-size: 12px 12px;
  background-position: 0 0, 0 6px, 6px -6px, -6px 0px;
  opacity: 0;
}
.ral-inspector-chip.is-empty::before { opacity: 1; }

.ral-inspector-info { min-width: 0; flex: 1; }
.ral-inspector-code-row { display: flex; align-items: baseline; gap: 10px; margin-bottom: 2px; }
.ral-inspector-code {
  font-family: var(--hd-font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--hd-color-primary);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}
.ral-inspector-name {
  font-size: 14px;
  color: var(--hd-color-text-body);
  font-weight: 500;
}
.ral-inspector-hex {
  font-size: 12px;
  color: var(--hd-color-text-light);
  font-family: 'SF Mono', 'Courier New', monospace;
  letter-spacing: 0.01em;
}
.ral-inspector-placeholder {
  font-size: 13.5px;
  color: var(--hd-color-text-muted);
  line-height: 1.5;
}

.ral-inspector-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.ral-btn {
  font-family: var(--hd-font-body);
  font-size: 13.5px;
  font-weight: 600;
  border-radius: var(--hd-radius-pill);
  padding: 11px 20px;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background var(--hd-transition), border-color var(--hd-transition), transform var(--hd-transition), opacity var(--hd-transition);
  white-space: nowrap;
}
.ral-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.ral-btn:active:not(:disabled) { transform: scale(0.97); }

.ral-btn--ghost {
  background: var(--hd-color-surface);
  border-color: var(--hd-color-border-strong);
  color: var(--hd-color-text-body);
}
.ral-btn--ghost:hover:not(:disabled) { border-color: var(--hd-color-text-light); background: var(--hd-color-white); }

.ral-btn--primary {
  background: var(--hd-color-primary);
  color: var(--hd-color-white);
}
.ral-btn--primary:hover:not(:disabled) { background: var(--hd-color-primary-mid); }
.ral-btn--primary:focus-visible, .ral-btn--ghost:focus-visible { outline: 2px solid var(--hd-color-accent); outline-offset: 2px; }

.ral-btn.is-confirmed { background: var(--hd-color-success); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 860px) {
  .ral-modal { max-width: 100%; height: 100dvh; max-height: 100dvh; border-radius: 0; }
  .ral-overlay { padding: 0; }
  .ral-header { padding: 18px 18px; }
  .ral-header h2 { font-size: 18px; }
  .ral-toolbar { padding: 14px 18px; flex-wrap: wrap; }
  .ral-search { max-width: none; order: 1; flex-basis: 100%; }
  .ral-result-count { order: 2; }
  .ral-toolbar-right { order: 3; margin-left: auto; }
  .ral-note-pill { display: none !important; }

  .ral-body { flex-direction: column; }
  .ral-rail {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--hd-color-border);
    padding: 10px 14px;
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    overflow-y: visible;
    gap: 6px;
    -webkit-overflow-scrolling: touch;
  }
  .ral-rail-heading, .ral-rail-divider { display: none; }
  .ral-group-btn {
    flex-shrink: 0;
    width: auto;
    padding: 8px 12px;
    border-radius: var(--hd-radius-pill);
    border: 1px solid var(--hd-color-border);
    margin-bottom: 0;
  }
  .ral-group-btn.is-active { border-color: var(--hd-color-primary); }
  .ral-group-count { display: none; }

  .ral-grid-scroll { padding: 16px 16px 20px; }
  .ral-grid { grid-template-columns: repeat(auto-fill, minmax(46px, 1fr)); gap: 8px; }

  .ral-inspector { padding: 14px 16px; gap: 14px; }
  .ral-inspector-chip { width: 52px; height: 52px; }
  .ral-inspector-code { font-size: 17px; }
  .ral-inspector-actions { flex-direction: column; align-items: stretch; }
  .ral-btn { padding: 10px 16px; font-size: 13px; justify-content: center; }
  .ral-inspector-placeholder { font-size: 12.5px; }
}

@media (max-width: 480px) {
  .ral-header-eyebrow { font-size: 10.5px; }
  .ral-header h2 { font-size: 16.5px; }
  .ral-header-meta { display: none; }
  .ral-grid { grid-template-columns: repeat(auto-fill, minmax(40px, 1fr)); gap: 7px; }
  .ral-inspector { flex-wrap: wrap; }
  .ral-inspector-info { flex-basis: 100%; order: 1; }
  .ral-inspector-chip { order: 0; }
  .ral-inspector-actions { flex-basis: 100%; order: 2; flex-direction: row; }
  .ral-btn { flex: 1; }
}

/* Scrollbar polish (webkit) */
.ral-grid-scroll::-webkit-scrollbar, .ral-rail::-webkit-scrollbar { width: 8px; height: 8px; }
.ral-grid-scroll::-webkit-scrollbar-track, .ral-rail::-webkit-scrollbar-track { background: transparent; }
.ral-grid-scroll::-webkit-scrollbar-thumb, .ral-rail::-webkit-scrollbar-thumb { background: var(--hd-color-border-strong); border-radius: 10px; }
.ral-grid-scroll::-webkit-scrollbar-thumb:hover, .ral-rail::-webkit-scrollbar-thumb:hover { background: var(--hd-color-text-light); }

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