@import url('tokens.css');

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  font-family: var(--font-family);
  background: var(--color-background);
  color: var(--color-text-primary);
  overflow: hidden;
}

.gallery {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

#artwork {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--color-background);
}

.state {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--color-background);
  z-index: var(--z-modal);
  padding: var(--space-8);
}

.state.visible {
  display: flex;
}

.state.hidden {
  display: none;
}

.state-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  text-align: center;
}

.state svg {
  width: 48px;
  height: 48px;
  fill: currentColor;
  flex-shrink: 0;
}

.state-loading svg {
  color: var(--color-text-secondary);
}

.state-error svg {
  color: var(--color-error);
}

.state-empty svg {
  color: var(--color-text-secondary);
}

.skeleton {
  width: 60%;
  max-width: 280px;
  height: 60px;
  background: linear-gradient(90deg, #e5e5ea 25%, #f5f5f7 50%, #e5e5ea 75%);
  background-size: 200% 100%;
  border-radius: var(--radius-md);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.state-message {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--text-base-line);
  color: var(--color-text-primary);
}

.toast {
  position: fixed;
  inset-inline: var(--space-4);
  bottom: var(--space-4);
  z-index: var(--z-toast);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(120px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--duration-base) var(--ease), opacity var(--duration-base) var(--ease);
  font-size: var(--text-sm);
  line-height: var(--text-sm-line);
  min-height: 44px;
}

.toast.visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.toast svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.toast.success svg {
  color: var(--color-success);
}

.toast.error svg {
  color: var(--color-error);
}

@media (min-width: 641px) {
  .toast {
    inset-inline: auto;
    right: var(--space-6);
    bottom: var(--space-6);
  }
  .skeleton {
    width: 40%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0ms !important;
    transition-duration: 0ms !important;
  }
  .toast {
    transition: none;
  }
  .skeleton {
    animation: none;
    background: var(--color-border);
  }
}

:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-focus);
  border-radius: var(--radius-sm);
}