/* Componentes compartidos: accesibilidad, estados y feedback */
.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;
}

.header-logo,
.taller-card,
.tool-card {
  color: inherit;
  text-decoration: none;
}

.header-logo:focus-visible,
.taller-card:focus-visible,
.tool-card:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--text-primary);
  outline-offset: 4px;
}

.canvas-element:focus-visible,
#sprite-canvas:focus-visible,
#synth-waveform-canvas:focus-visible {
  outline: 3px solid var(--border-focus);
  outline-offset: -5px;
}

.interactive-workspace button,
.interactive-workspace select,
.interactive-workspace input[type="range"],
.footer-about-toggle {
  min-height: 44px;
}

/* Cada tarjeta de navegación conserva el acento de su taller en todos sus estados. */
.taller-card[data-taller="jardin"],
.tool-card[data-taller="jardin"] {
  --card-workshop-accent: var(--accent-jardin);
}

.taller-card[data-taller="resonancia"],
.tool-card[data-taller="resonancia"] {
  --card-workshop-accent: var(--accent-resonancia);
}

.taller-card[data-taller="mirada"],
.tool-card[data-taller="mirada"] {
  --card-workshop-accent: var(--accent-mirada);
}

.taller-card[data-taller="pluma"],
.tool-card[data-taller="pluma"] {
  --card-workshop-accent: var(--accent-pluma);
}

.taller-card:focus-visible,
.tool-card:focus-visible {
  outline-color: var(--card-workshop-accent);
}

.taller-card:active,
.tool-card:active,
.palette-color-card:active,
.artist-display-card:active,
.sample-display-card:active,
.book-display-card:active,
.conector-entity-card:active {
  transform: translateY(2px) scale(0.985);
  box-shadow: 0 2px 8px color-mix(in srgb, var(--card-workshop-accent, var(--text-primary)) 32%, transparent);
  transition-duration: 80ms;
}

.taller-card.is-selected,
.tool-card.is-selected,
.taller-card[aria-current="page"],
.tool-card[aria-current="page"] {
  border-color: var(--card-workshop-accent);
  box-shadow: 0 0 0 2px var(--bg-paper), 0 0 0 4px var(--card-workshop-accent);
}

.lock-btn[aria-pressed="true"] {
  box-shadow: 0 0 0 3px color-mix(in srgb, currentColor 28%, transparent);
}

.action-btn:disabled {
  cursor: wait;
  opacity: 0.62;
}

.action-btn.is-loading .dice-icon {
  animation: status-spin 0.9s linear infinite;
}

.workspace-status {
  min-height: 18rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
}

.workspace-status h3,
.workspace-status p {
  margin: 0;
}

.workspace-status h3 {
  color: var(--text-primary);
  font-family: var(--font-serif);
}

.status-detail {
  max-width: 34rem;
  font-size: 0.9rem;
}

.network-requirement {
  margin: 0.55rem 0 0;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  text-align: center;
}

.loading-spinner {
  width: 2rem;
  height: 2rem;
  border: 2px solid var(--border-light);
  border-top-color: var(--text-primary);
  border-radius: 50%;
  animation: status-spin 0.75s linear infinite;
}

.toast-region {
  position: fixed;
  z-index: 10000;
  right: 1rem;
  bottom: 1rem;
  display: grid;
  gap: 0.6rem;
  width: min(24rem, calc(100vw - 2rem));
  pointer-events: none;
}

.app-toast {
  padding: 0.9rem 1rem;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  background: var(--bg-card, #fff);
  color: var(--text-primary);
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.16);
  font-family: var(--font-sans);
  font-size: 0.88rem;
}

.app-toast-error {
  border-left: 4px solid #b64242;
}

@keyframes status-spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .aurora-glow {
    animation: none !important;
    transform: none !important;
  }

  .animate-fade-in-up,
  .screen.active .intro-block,
  .screen.active .taller-card,
  .screen.active .view-header,
  .screen.active .tool-card {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }

  .taller-card,
  .tool-card,
  button,
  a {
    scroll-behavior: auto;
    transition-duration: 120ms !important;
  }

  .loading-spinner,
  .action-btn.is-loading .dice-icon {
    animation-duration: 1.8s;
  }
}

@media (max-width: 600px), (pointer: coarse) {
  .aurora-glow {
    animation: none;
    filter: blur(72px);
  }

  button,
  a,
  select,
  input[type="range"] {
    min-height: 44px;
  }
}