/**
 * Eco-Mali Exchange Limited - Utility Classes
 * Reusable utility classes for common patterns
 */

/* Loading States */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 3px solid var(--gray-300);
    border-top-color: var(--primary-green);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

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

/* Focus Visible (Accessibility) */
.focus-visible:focus-visible {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.sr-only-focusable:focus {
    position: static;
    width: auto;
    height: auto;
    padding: inherit;
    margin: inherit;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary-green); }
.text-secondary { color: var(--secondary-orange); }
.text-muted { color: var(--gray-600); }
.text-white { color: var(--white); }

.font-bold { font-weight: var(--fw-bold); }
.font-semibold { font-weight: var(--fw-semibold); }
.font-medium { font-weight: var(--fw-medium); }

/* Spacing Utilities */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }

/* Display Utilities */
.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

@media (max-width: 768px) {
    .d-md-none { display: none; }
    .d-md-block { display: block; }
}

/* Flexbox Utilities */
.flex { display: flex; }
.flex-column { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

/* Card Utilities */
.card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

/* Badge Utilities */
.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background-color: var(--primary-green);
    color: var(--white);
}

.badge-secondary {
    background-color: var(--secondary-orange);
    color: var(--white);
}

.badge-success {
    background-color: var(--success);
    color: var(--white);
}

.badge-warning {
    background-color: var(--warning);
    color: var(--white);
}

/* Alert Utilities */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid;
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background-color: rgba(76, 175, 80, 0.1);
    border-color: var(--success);
    color: var(--success);
}

.alert-warning {
    background-color: rgba(255, 152, 0, 0.1);
    border-color: var(--warning);
    color: var(--warning);
}

.alert-error {
    background-color: rgba(244, 67, 54, 0.1);
    border-color: var(--error);
    color: var(--error);
}

.alert-info {
    background-color: rgba(33, 150, 243, 0.1);
    border-color: var(--info);
    color: var(--info);
}

/* Responsive Images */
.img-responsive {
    max-width: 100%;
    height: auto;
    display: block;
}

.img-rounded {
    border-radius: var(--radius-lg);
}

.img-circle {
    border-radius: var(--radius-full);
}

/* Smooth Transitions */
.transition {
    transition: all var(--transition-base);
}

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

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

/* Hover Effects */
.hover-lift:hover {
    transform: translateY(-5px);
}

.hover-scale:hover {
    transform: scale(1.05);
}

.hover-shadow:hover {
    box-shadow: var(--shadow-lg);
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        color: var(--black);
        background: var(--white);
    }
    
    a {
        text-decoration: underline;
    }
    
    .navbar,
    .footer {
        display: none;
    }
}