/* loader.css - Loading indicators, progress visuals, and skeleton placeholders. */
/* Sections: Full-screen loaders, inline indicators, animation states, and progress visuals. */

/* Core loading indicator styles */

/* Primary style rules */

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--clr-border);
  border-top-color: var(--clr-brand);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

.spinner--sm { width: 20px; height: 20px; border-width: 2px; }
.spinner--lg { width: 56px; height: 56px; border-width: 4px; }

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


.page-loader {
  position: fixed;
  inset: 0;
  background: var(--clr-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--sp-4);
  z-index: var(--z-toast);
}

.page-loader-text {
  font-size: var(--text-sm);
  color: var(--clr-text-muted);
}


.skeleton {
  background: linear-gradient(
    90deg,
    var(--clr-stone-200) 25%,
    var(--clr-stone-100) 50%,
    var(--clr-stone-200) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-base);
}

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


.ai-processing-overlay {
  position: fixed;
  inset: 0;
  background: #1c1917;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-5);
  z-index: var(--z-modal);
  color: #fff;
}

/* Interaction and state styles */

.ai-processing-overlay.is-visible {
  display: flex;
}

.ai-processing-overlay.is-hiding {
  display: flex;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.ai-processing-ring {
  position: relative;
  width: 80px;
  height: 80px;
}

.ai-processing-ring svg {
  width: 80px;
  height: 80px;
  animation: spin 1.2s linear infinite;
}

.ai-processing-ring svg circle {
  fill: none;
  stroke: var(--clr-primary-400);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 188;
  stroke-dashoffset: 60;
}

.ai-processing-label {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: #fff;
  letter-spacing: var(--ls-tight);
}

.ai-processing-sublabel {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  max-width: none;
}


body.page-loading .ai-processing-overlay {
  display: flex;
}