/* Harmonic Hex — namespace .hx-* */

.hx-app {
  --hx-accent: var(--color-accent, #76b900);
  --hx-accent-soft: rgba(118, 185, 0, 0.14);
  --hx-surface: color-mix(in srgb, var(--color-bg-surface, #111) 90%, #000);
  --hx-border: color-mix(in srgb, var(--hx-accent) 25%, var(--color-border-default, #2a2a2a));
  width: 100%;
  padding: var(--space-4);
  border-radius: calc(var(--radius-md) + 4px);
  border: 1px solid var(--hx-border);
  background:
    radial-gradient(100% 80% at 100% 0%, var(--hx-accent-soft), transparent 55%),
    linear-gradient(165deg, var(--hx-surface), var(--color-bg-surface, #111));
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
  contain: layout style paint;
  outline: none;
}

.hx-app-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.hx-grid-mount {
  width: 100%;
}

.hx-grid {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}

.hx-grid-svg {
  display: block;
  width: 100%;
  height: auto;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.hx-grid-caption {
  margin: var(--space-2) 0 0;
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.hx-guide-circle,
.hx-guide-poly {
  fill: none;
  stroke: color-mix(in srgb, var(--hx-accent) 22%, var(--color-border-default, #2a2a2a));
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}

.hx-pad {
  cursor: pointer;
}

.hx-pad-shape {
  fill: color-mix(in srgb, var(--hx-pad-color, #333) 35%, var(--color-bg-surface, #111));
  stroke: color-mix(in srgb, var(--hx-pad-color, var(--hx-accent)) 55%, var(--color-border-default));
  stroke-width: 1.2;
  vector-effect: non-scaling-stroke;
  transition:
    fill 0.12s ease,
    stroke 0.12s ease,
    filter 0.12s ease;
}

.hx-pad--off-scale .hx-pad-shape {
  fill: color-mix(in srgb, var(--color-bg-surface, #111) 92%, #000);
  stroke: var(--color-border-default, #2a2a2a);
  opacity: 0.45;
}

.hx-pad--disabled {
  pointer-events: none;
  opacity: 0.25;
}

.hx-pad-label {
  fill: var(--color-text-primary, #fff);
  font-size: 9px;
  font-weight: 600;
  pointer-events: none;
  user-select: none;
}

.hx-pad--off-scale .hx-pad-label {
  fill: var(--color-text-secondary);
}

.hx-pad--active .hx-pad-shape {
  fill: color-mix(in srgb, var(--hx-pad-color, var(--hx-accent)) 55%, var(--color-bg-surface));
  stroke: var(--hx-pad-color, var(--hx-accent));
  filter: drop-shadow(0 0 6px color-mix(in srgb, var(--hx-pad-color, var(--hx-accent)) 60%, transparent));
}

.hx-app[data-hx-power="economy"] .hx-pad--active .hx-pad-shape {
  filter: none;
}

.hx-app--reduced-motion .hx-pad-shape {
  transition: none;
}

.hx-toolbar {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border-default, #2a2a2a);
}

.hx-toolbar-knobs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

.hx-toolbar-fields {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  align-items: flex-end;
}

.hx-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.hx-field--toggle {
  flex-direction: row;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-sm);
}

.hx-select {
  min-width: 7rem;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-default);
  background: var(--color-bg-surface, #111);
  color: var(--color-text-primary);
  font: inherit;
}

.hx-knob.esq-knob,
.hx-toolbar-knobs .esq-knob {
  --esq-accent: var(--hx-accent);
}

.hx-toolbar-knobs .esq-knob {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  width: 56px;
}

.hx-toolbar-knobs .esq-knob-dial {
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--color-border-default);
  border-radius: 50%;
  background: color-mix(in srgb, var(--color-bg-page) 70%, transparent);
  cursor: ns-resize;
  touch-action: none;
}

.hx-toolbar-knobs .esq-knob-dial:hover,
.hx-toolbar-knobs .esq-knob-dial:focus-visible {
  border-color: var(--hx-accent);
  outline: none;
}

.hx-toolbar-knobs .esq-knob-track {
  fill: none;
  stroke: color-mix(in srgb, var(--color-border-default) 90%, transparent);
  stroke-width: 2;
}

.hx-toolbar-knobs .esq-knob-needle {
  stroke: var(--hx-accent);
  stroke-width: 2.5;
  stroke-linecap: round;
}

.hx-toolbar-knobs .esq-knob-label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  text-align: center;
}

.hx-toolbar-knobs .esq-knob-value {
  font-family: ui-monospace, 'Courier New', monospace;
  font-size: 10px;
  color: var(--color-text-secondary);
}

@media (min-width: 640px) {
  .hx-app-inner {
    display: grid;
    grid-template-columns: minmax(260px, 1fr) minmax(220px, 1fr);
    align-items: start;
  }

  .hx-toolbar {
    border-top: none;
    border-left: 1px solid var(--color-border-default, #2a2a2a);
    padding-top: 0;
    padding-left: var(--space-4);
  }
}