/**
 * Lazy Potato Express - Utility Classes
 * 
 * Theme: Lazy Potato Express
 * Description: Reusable utility classes
 * Version: 1.0.0
 */

/* ========================================
 * TYPOGRAPHY UTILITIES
 * ======================================== */

.text-xs { font-size: var(--lpe-font-size-xs); }
.text-sm { font-size: var(--lpe-font-size-sm); }
.text-md { font-size: var(--lpe-font-size-base); }
.text-lg { font-size: var(--lpe-font-size-lg); }
.text-xl { font-size: var(--lpe-font-size-xl); }
.text-2xl { font-size: var(--lpe-font-size-2xl); }
.text-3xl { font-size: var(--lpe-font-size-3xl); }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-muted { color: var(--lpe-color-text-secondary); }
.text-primary { color: var(--lpe-color-accent-purple); }
.text-success { color: var(--lpe-color-accent-green); }
.text-error { color: var(--lpe-color-accent-brown); }

.font-sans { font-family: var(--lpe-font-sans); }
.font-serif { font-family: var(--lpe-font-serif); }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-light { font-weight: 300; }

/* ========================================
 * SPACING UTILITIES
 * ======================================== */

.m-0 { margin: 0 !important; }
.m-xs { margin: var(--lpe-spacing-xs) !important; }
.m-sm { margin: var(--lpe-spacing-sm) !important; }
.m-md { margin: var(--lpe-spacing-md) !important; }
.m-lg { margin: var(--lpe-spacing-lg) !important; }
.m-xl { margin: var(--lpe-spacing-xl) !important; }

.mt-0 { margin-top: 0 !important; }
.mt-xs { margin-top: var(--lpe-spacing-xs) !important; }
.mt-sm { margin-top: var(--lpe-spacing-sm) !important; }
.mt-md { margin-top: var(--lpe-spacing-md) !important; }
.mt-lg { margin-top: var(--lpe-spacing-lg) !important; }
.mt-xl { margin-top: var(--lpe-spacing-xl) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-xs { margin-bottom: var(--lpe-spacing-xs) !important; }
.mb-sm { margin-bottom: var(--lpe-spacing-sm) !important; }
.mb-md { margin-bottom: var(--lpe-spacing-md) !important; }
.mb-lg { margin-bottom: var(--lpe-spacing-lg) !important; }
.mb-xl { margin-bottom: var(--lpe-spacing-xl) !important; }

.p-0 { padding: 0 !important; }
.p-xs { padding: var(--lpe-spacing-xs) !important; }
.p-sm { padding: var(--lpe-spacing-sm) !important; }
.p-md { padding: var(--lpe-spacing-md) !important; }
.p-lg { padding: var(--lpe-spacing-lg) !important; }
.p-xl { padding: var(--lpe-spacing-xl) !important; }

.py-0 { padding-top: 0 !important; padding-bottom: 0 !important; }
.py-xs { padding-top: var(--lpe-spacing-xs) !important; padding-bottom: var(--lpe-spacing-xs) !important; }
.py-sm { padding-top: var(--lpe-spacing-sm) !important; padding-bottom: var(--lpe-spacing-sm) !important; }
.py-md { padding-top: var(--lpe-spacing-md) !important; padding-bottom: var(--lpe-spacing-md) !important; }
.py-lg { padding-top: var(--lpe-spacing-lg) !important; padding-bottom: var(--lpe-spacing-lg) !important; }
.py-xl { padding-top: var(--lpe-spacing-xl) !important; padding-bottom: var(--lpe-spacing-xl) !important; }

/* ========================================
 * LAYOUT UTILITIES
 * ======================================== */

.container { max-width: var(--lpe-container-width); margin: 0 auto; padding: 0 var(--lpe-container-padding); }
.container-wide { max-width: var(--lpe-container-wide); margin: 0 auto; padding: 0 var(--lpe-container-padding); }

.grid { display: grid; gap: var(--lpe-spacing-lg); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.gap-xs { gap: var(--lpe-spacing-xs); }
.gap-sm { gap: var(--lpe-spacing-sm); }
.gap-md { gap: var(--lpe-spacing-md); }
.gap-lg { gap: var(--lpe-spacing-lg); }

.h-full { height: 100%; }
.h-screen { height: 100vh; }
.w-full { width: 100%; }
.w-auto { width: auto; }

/* ========================================
 * VISUAL UTILITIES
 * ======================================== */

.rounded-sm { border-radius: var(--lpe-radius-sm); }
.rounded-md { border-radius: var(--lpe-radius-md); }
.rounded-lg { border-radius: var(--lpe-radius-lg); }
.rounded-xl { border-radius: var(--lpe-radius-xl); }
.rounded-pill { border-radius: var(--lpe-radius-pill); }
.rounded-2xl { border-radius: var(--lpe-radius-2xl); }

.shadow-sm { box-shadow: var(--lpe-shadow-sm); }
.shadow-md { box-shadow: var(--lpe-shadow-md); }
.shadow-lg { box-shadow: var(--lpe-shadow-lg); }
.shadow-xl { box-shadow: var(--lpe-shadow-xl); }
.shadow-inner { box-shadow: var(--lpe-shadow-inner-sm); }

.glass {
    background: var(--lpe-glass-bg);
    backdrop-filter: blur(var(--lpe-glass-blur));
    -webkit-backdrop-filter: blur(var(--lpe-glass-blur));
    border: 1px solid var(--lpe-glass-border);
    border-radius: var(--lpe-radius-lg);
    box-shadow: var(--lpe-glass-shadow);
}

/* ========================================
 * VISIBILITY UTILITIES
 * ======================================== */

.hidden { display: none !important; }
.invisible { visibility: hidden; }

.visible { visibility: visible; }

/* ========================================
 * ANIMATION UTILITIES
 * ======================================== */

.fade-in { animation: fadeIn var(--lpe-transition-normal) ease-out; }
.fade-in-up { animation: fadeInUp var(--lpe-transition-normal) ease-out; }
.fade-in-down { animation: fadeInDown var(--lpe-transition-normal) ease-out; }

.float { animation: float 3s ease-in-out infinite; }
.shimmer { background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent); background-size: 200% 100%; animation: shimmer 1.5s infinite; }
.glow { animation: glow 2s ease-in-out infinite; }

/* ========================================
 * POSITION UTILITIES
 * ======================================== */

.sticky { position: sticky; top: 0; z-index: 1000; }
.absolute { position: absolute; }
.relative { position: relative; }
.fixed { position: fixed; }

.top-0 { top: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }
.right-0 { right: 0; }

.top-1 { top: var(--lpe-spacing-xs); }
.top-2 { top: var(--lpe-spacing-sm); }
.bottom-1 { bottom: var(--lpe-spacing-xs); }
.bottom-2 { bottom: var(--lpe-spacing-sm); }

/* ========================================
 * Z-INDEX UTILITIES
 * ======================================== */

.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }
.z-100 { z-index: 100; }
.z-200 { z-index: 200; }
.z-300 { z-index: 300; }
.z-500 { z-index: 500; }
.z-auto { z-index: auto; }

/* ========================================
 * ACCESSIBILITY UTILITIES
 * ======================================== */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--lpe-color-accent-purple);
    color: white;
    padding: 8px 16px;
    z-index: 100;
    transition: top var(--lpe-transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* ========================================
 * TRANSITION UTILITIES
 * ======================================== */

.transition-fast { transition: all var(--lpe-transition-fast); }
.transition-normal { transition: all var(--lpe-transition-normal); }
.transition-slow { transition: all var(--lpe-transition-slow); }

/* ========================================
 * RESPONSIVE UTILITIES
 * ======================================== */

@media (max-width: 1024px) {
    .hidden-lg { display: none !important; }
}

@media (max-width: 768px) {
    .hidden-md { display: none !important; }
    .hidden-sm { display: none !important; }
}

@media (min-width: 769px) {
    .hidden-md-up { display: none !important; }
}

@media (min-width: 1025px) {
    .hidden-lg-up { display: none !important; }
}