:root {
    --primary-color: #166534;
    --primary-light: #f0fdf4;
    --primary-dark: #14532d;
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

/* Base Accessibility & Focus */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Smooth Transitions */
a, button, input, select, textarea {
    transition: var(--transition-base);
}

/* Loading Bar (NProgress style) */
#progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--primary-color);
    z-index: 9999;
    transition: width 0.4s ease;
}

/* Skeleton Screens */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #f8f8f8 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

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

/* Mobile Menu Transitions */
#mobile-menu {
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: block !important; /* Always block, controlled by transform */
    visibility: hidden;
}

#mobile-menu.active {
    transform: translateX(0);
    visibility: visible;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Image Hover Effects */
.img-hover-zoom {
    overflow: hidden;
}
.img-hover-zoom img {
    transition: transform 0.5s ease;
}
.img-hover-zoom:hover img {
    transform: scale(1.1);
}

/* Card Micro-interactions */
.card-hover {
    transition: var(--transition-base);
}
.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Touch Target Optimization */
@media (max-width: 768px) {
    button, a {
        min-height: 44px;
        min-width: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
}

/* Print Optimization */
@media print {
    body {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
    .no-print {
        display: none !important;
    }
}