.glass-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-overlay);
  backdrop-filter: blur(12px);
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-text);
}

.btn-primary:hover {
  background: var(--color-accent-soft);
}

.btn-secondary {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

.btn-secondary:hover {
  border-color: #4b5563;
}

.btn-primary:active,
.btn-secondary:active {
  transform: scale(0.97);
}

.card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  transition: border-color var(--transition-standard), background-color var(--transition-standard);
}

.card:hover {
  border-color: rgba(125, 76, 219, 0.5);
}

.text-gradient {
  background: linear-gradient(90deg, var(--color-accent-soft), var(--color-text));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.cache-banner-img {
  cursor: zoom-in;
  transition: transform var(--transition-standard);
}

.cache-banner-img:hover {
  transform: scale(1.15);
}

.cache-lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
}

.cache-lightbox.active {
  display: flex;
}

.cache-lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-overlay);
  animation: cache-zoom-in 250ms ease;
}

@keyframes cache-zoom-in {
  from {
    opacity: 0;
    transform: scale(0.8);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

.eval-cost-bar {
  height: 100%;
}

.eval-cost-bar--baseline {
  width: 100%;
  background: #4b5563;
}

.eval-cost-bar--dirac {
  width: 34%;
  background: var(--color-accent);
}