/**
 * 레이아웃 유틸리티 클래스
 */
.min-h-screen {
  min-height: 100vh;
}

.max-w-4xl {
  max-width: 56rem;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.w-full {
  width: 100%;
}

.max-h-64 {
  max-height: 16rem;
}

.hidden {
  display: none;
}

/* Grid Layout */
.grid {
  display: grid;
}

.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.gap-4 {
  gap: 1rem;
}

.gap-6 {
  gap: 1.5rem;
}

/* Space utilities */
.space-y-3 > * + * {
  margin-top: 0.75rem;
}

/* Z-index utilities */
.z-50 {
  z-index: 50;
}

/* Backdrop blur */
.backdrop-blur-sm {
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}