:root {
  color-scheme: dark light;
  --af-bg-from: #121212;
  --af-bg-to:   #1a1a1a;
  --af-glass-bg: rgba(255,255,255,0.04);
  --af-panel-header-bg: rgba(18,18,18,0.85);
  --af-glass-border: rgba(255,255,255,0.10);
  --af-text: #e9e9e9;
  --af-text-dim: rgba(233,233,233,0.65);
  --af-accent: #a0a0a0;
  --af-accent-soft: rgba(160,160,160,0.18);
  --af-orange:      #ff8a3d;
  --af-orange-soft: rgba(255,138,61,0.18);
  --af-focus-ring: #ffb070;
  --af-input-bg: rgba(255,255,255,0.04);
  --af-error-bg: rgba(92,92,92,0.16);
  --af-error-fg: #ffb4a8;
}

@media (prefers-color-scheme: light) {
  :root {
    --af-bg-from: #f6f6f6;
    --af-bg-to:   #ececec;
    --af-glass-bg: rgba(255,255,255,0.55);
    --af-panel-header-bg: rgba(246,246,246,0.88);
    --af-glass-border: rgba(0,0,0,0.08);
    --af-text: #1f1f1f;
    --af-text-dim: rgba(31,31,31,0.7);
    --af-accent: #606060;
    --af-accent-soft: rgba(96,96,96,0.18);
    --af-orange:      #d4621c;
    --af-orange-soft: rgba(212,98,28,0.18);
    --af-focus-ring: #c44a0c;
    --af-input-bg: rgba(255,255,255,0.65);
    --af-error-bg: rgba(92,92,92,0.10);
    --af-error-fg: #8a1f1f;
  }
}

:root[data-af-theme="dark"] {
  --af-bg-from: #121212;
  --af-bg-to:   #1a1a1a;
  --af-glass-bg: rgba(255,255,255,0.04);
  --af-panel-header-bg: rgba(18,18,18,0.85);
  --af-glass-border: rgba(255,255,255,0.10);
  --af-text: #e9e9e9;
  --af-text-dim: rgba(233,233,233,0.65);
  --af-accent: #a0a0a0;
  --af-accent-soft: rgba(160,160,160,0.18);
  --af-orange:      #ff8a3d;
  --af-orange-soft: rgba(255,138,61,0.18);
  --af-focus-ring: #ffb070;
  --af-input-bg: rgba(255,255,255,0.04);
  --af-error-fg: #ffb4a8;
}
:root[data-af-theme="light"] {
  --af-bg-from: #f6f6f6;
  --af-bg-to:   #ececec;
  --af-glass-bg: rgba(255,255,255,0.55);
  --af-panel-header-bg: rgba(246,246,246,0.88);
  --af-glass-border: rgba(0,0,0,0.08);
  --af-text: #1f1f1f;
  --af-text-dim: rgba(31,31,31,0.7);
  --af-accent: #606060;
  --af-accent-soft: rgba(96,96,96,0.18);
  --af-orange:      #d4621c;
  --af-orange-soft: rgba(212,98,28,0.18);
  --af-focus-ring: #c44a0c;
  --af-input-bg: rgba(255,255,255,0.65);
  --af-error-fg: #8a1f1f;
}

* { box-sizing: border-box; }

 
.af-visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  border: 0; clip: rect(0 0 0 0);
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

html {
  background: linear-gradient(135deg, var(--af-bg-from), var(--af-bg-to)) fixed;
}

body.af-page {
  margin: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  color: var(--af-text);
  background: linear-gradient(135deg, var(--af-bg-from), var(--af-bg-to)) fixed;
}

.af-header {
  flex: 0 0 auto;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 0.5rem;
}
.af-hero {
  margin: 0 0 1rem;
}
.af-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--af-text);
}
.af-subtitle {
  margin: 0.15rem 0 0;
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--af-text-dim);
}
.af-query-row {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
}
#af-query {
  flex: 1;
  font: inherit;
  font-weight: 300;
  padding: 0.8rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--af-glass-border);
  background: var(--af-input-bg);
  color: var(--af-text);
  outline: none;
}
#af-query:focus { border-color: var(--af-accent); }

 
.af-query-wrap {
  flex: 1;
  display: flex;
  align-items: stretch;
  border: 1px solid var(--af-glass-border);
  border-radius: 12px;
  background: var(--af-input-bg);
  overflow: hidden;
}
.af-query-wrap:focus-within { border-color: var(--af-accent); }

 
.af-query-wrap > #af-query {
  border: none;
  border-radius: 0;
  background: transparent;
  flex: 1;
  min-width: 0;  
}
.af-query-wrap > #af-query:focus { border-color: transparent; }

 
.af-match-toggle {
  display: flex;
  flex-direction: column;
  flex: 0 0 auto;
  border-left: 1px solid var(--af-glass-border);
}
.af-match-toggle button {
  font: inherit;
  font-size: 0.72rem;
  line-height: 1;
  padding: 0 0.6rem;
  min-width: 4.5rem;
  flex: 1 1 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--af-text-dim);
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease;
}
.af-match-toggle button + button {
  border-top: 1px solid var(--af-glass-border);
}
.af-match-toggle button:hover {
  color: var(--af-text);
  background: color-mix(in srgb, var(--af-input-bg) 80%, var(--af-text) 5%);
}
.af-match-toggle button.af-match-active {
  background: var(--af-orange-soft);
  color: var(--af-text);
}
.af-match-toggle button:focus-visible {
  outline: 2px solid var(--af-focus-ring);
  outline-offset: -2px;
}

 
@property --af-bar-alpha {
  syntax: '<number>';
  inherits: false;
  initial-value: 0;
}
#af-query.af-loading {
  background-image: linear-gradient(
    rgba(255,255,255, var(--af-bar-alpha, 0)),
    rgba(255,255,255, var(--af-bar-alpha, 0))
  );
  background-repeat: no-repeat;
  background-position: 0 0;
  background-size: 0% 100%;
  animation:
    af-bar-grow 3s cubic-bezier(0.22, 1, 0.36, 1) forwards,
    af-bar-fade 3s linear forwards;
}
@keyframes af-bar-grow {
  from { background-size:  0% 100%; }
  to   { background-size: 95% 100%; }
}
@keyframes af-bar-fade {
  0%   { --af-bar-alpha: 0;    }
  6%   { --af-bar-alpha: 0.09; }
  80%  { --af-bar-alpha: 0.09; }
  100% { --af-bar-alpha: 0;    }
}
#af-search-button {
  font: inherit;
  font-size: 1rem;
  padding: 0 1.25rem;
  border-radius: 12px;
  border: 1px solid var(--af-orange);
  background: var(--af-orange-soft);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  color: var(--af-text);
  cursor: pointer;
  transition: background 120ms ease;
}
#af-search-button:hover { background: color-mix(in srgb, var(--af-orange-soft) 50%, var(--af-orange)); }
#af-search-button:active { transform: translateY(1px); }
#af-search-button:focus-visible {
  outline: 2px solid var(--af-focus-ring);
  outline-offset: 2px;
}

.af-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin: 0.75rem 0;
   
  padding-right: calc(var(--af-search-btn-w, 5.75rem) + 0.5rem);
}

.af-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 0;
   
  padding: 0;
  border: 0;
  min-width: 0;
  font-size: 0.9rem;
}
.af-toggles label { display: inline-flex; align-items: center; gap: 0.4rem; cursor: pointer; }

.af-selects {
  display: flex;
  gap: 0.5rem;
  margin-left: auto;   
}
.af-selects select {
  font: inherit;
  font-size: 0.9rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: var(--af-input-bg);
  color: var(--af-text);
  border: 1px solid var(--af-glass-border);
  cursor: pointer;
  outline: none;
  transition: border-color 120ms ease;
}
.af-selects select:focus,
.af-selects select:hover { border-color: var(--af-accent); }

#af-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.5rem 0;
  min-height: 1.6rem;
}
.af-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: var(--af-accent-soft);
  font-size: 0.85rem;
}
.af-chip button {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font: inherit;
   
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.5rem;
  min-height: 1.5rem;
  padding: 0 0.25rem;
  line-height: 1;
  border-radius: 999px;
}
.af-chip button:hover { background: rgba(255,255,255,0.08); }
.af-chip button:focus-visible {
  outline: 2px solid var(--af-focus-ring);
  outline-offset: 2px;
}

.af-hint {
  margin: 0.25rem 0 0;
  font-size: 0.85rem;
  color: var(--af-text-dim);
}

.af-grid {
  flex: 1 1 0;
  min-height: 0;        
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 1.5rem 0.5rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr 0;        
  grid-template-areas:
    "manufacturers libraries"
    "instruments   articulations"
    "promo         promo";
  transition: grid-template-rows 350ms ease-out;
}
.af-grid.promo-shown {
  grid-template-rows: 1fr 1fr 4.5rem;
}
.af-panel[data-panel="manufacturers"] { grid-area: manufacturers; }
.af-panel[data-panel="libraries"]     { grid-area: libraries; }
.af-panel[data-panel="instruments"]   { grid-area: instruments; }
.af-panel[data-panel="articulations"] { grid-area: articulations; }

.af-promo {
  grid-area: promo;
  overflow: hidden;
  min-height: 0;
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 18px;
  border: 1px solid var(--af-orange);
  background: var(--af-orange-soft);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  text-decoration: none;
  color: var(--af-text);
  font-size: 0.9rem;
  line-height: 1.4;
  text-align: center;
  transition: opacity 250ms ease-out 150ms,
              background 120ms ease;
}
.af-promo:hover {
  background: color-mix(in srgb, var(--af-orange-soft) 50%, var(--af-orange));
}
.af-grid.promo-shown .af-promo { opacity: 1; }

.af-legal-row {
  flex: 0 0 auto;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 1.5rem 0.5rem;
  text-align: right;
}
.af-legal {
  font-size: 0.75rem;
  color: var(--af-text-dim);
  text-decoration: none;
}
.af-legal:hover { color: var(--af-text); }

.af-panel {
  position: relative;
  background: var(--af-glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--af-glass-border);
  border-radius: 18px;
   
  padding: 0;
  box-shadow: 0 1px 0 rgba(255,255,255,0.06) inset;
  min-height: 0;      
  overflow: hidden;   
  display: flex;
  flex-direction: column;
}
.af-panel.af-hidden { display: none; }

.af-panel-header {
  display: flex; justify-content: space-between; align-items: baseline;
  flex: 0 0 auto;
  padding: 0.95rem 1.25rem 0.65rem;
  background: var(--af-panel-header-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: 18px 18px 0 0;
  border-bottom: 1px solid var(--af-glass-border);
}
.af-panel-header h2 {
  font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--af-text-dim); margin: 0; font-weight: 600;
}
.af-panel-count {
  font-size: 0.75rem; color: var(--af-text-dim);
  font-variant-numeric: tabular-nums;
}

.af-panel-list {
  list-style: none;
  margin: 0;
   
  padding: 0.5rem 0.6rem 1rem;
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;                     
}
.af-panel-list li { margin: 0.15rem 0; }

.af-item {
  display: flex; justify-content: space-between; align-items: baseline;
  width: 100%;
  padding: 0.45rem 0.65rem;
  border-radius: 10px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--af-text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease, opacity 150ms ease;
}
.af-item:hover { background: rgba(255,255,255,0.06); }
.af-item:focus-visible {
  outline: 2px solid var(--af-focus-ring);
  outline-offset: 2px;
}
.af-item[aria-pressed="true"] {
  background: var(--af-accent-soft);
  border-color: var(--af-accent);
}
.af-item.af-dim { opacity: 0.32; }
.af-item-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.af-item-sub  {
  color: var(--af-text-dim);
  font-size: 0.85em;
  margin: 0 0.6rem;
}
.af-count     {
  color: var(--af-text-dim);
  font-variant-numeric: tabular-nums;
  text-align: left;
  min-width: 2.5em;      
}

.af-articulation .af-art-name {
  user-select: none;
  -webkit-user-select: none;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.af-articulation { -webkit-touch-callout: none; gap: 0.5rem; }

 
.af-articulation-row {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
}
.af-articulation-row > .af-item {
  flex: 1 1 auto;
  min-width: 0;
}
.af-articulation-row > .af-fresh-search {
  flex: 0 0 auto;
  align-self: stretch;
}

.af-fresh-search {
  font: inherit;
  font-size: 0.8rem;
  padding: 0.15rem 1rem;
  border-radius: 6px;
  border: 1px solid var(--af-orange);
  background: var(--af-orange-soft);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  color: var(--af-text);
  cursor: pointer;
  transition: background 120ms ease;
  flex: 0 0 auto;
}
.af-fresh-search:hover { background: color-mix(in srgb, var(--af-orange-soft) 50%, var(--af-orange)); }
.af-fresh-search:active { transform: translateY(1px); }
.af-fresh-search:focus-visible {
  outline: 2px solid var(--af-focus-ring);
  outline-offset: 2px;
}

.af-empty {
  color: var(--af-text-dim);
  font-size: 0.9rem;
  padding: 0.5rem 0.65rem;
}
.af-error {
  color: var(--af-error-fg);
  background: var(--af-error-bg);
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  font-size: 0.9rem;
}

@media (max-width: 1199px) {
   
  body.af-page { height: auto; min-height: 100vh; overflow: visible; }
  .af-grid {
    flex: 0 0 auto;
    grid-template-columns: 1fr;
    grid-template-rows: none;
    grid-template-areas:
      "manufacturers"
      "libraries"
      "instruments"
      "articulations"
      "promo";
  }
  .af-panel { min-height: 240px; max-height: 60vh; }
   
  .af-promo { display: none; }
  .af-grid.promo-shown .af-promo { display: flex; opacity: 1; }
}

 
@media (prefers-reduced-motion: reduce) {
  #af-query.af-loading {
    animation: none;
    background-image: none;
  }
  .af-grid { transition: none; }
  .af-promo { transition: none; }
}