/* Optimized UI Styles for Nursan Production System */

/* Performance optimizations */
* {
    box-sizing: border-box;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Optimized animations */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Loading states */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Responsive optimizations */
@media (max-width: 768px) {
    .container-fluid {
        padding-left: 10px;
        padding-right: 10px;
    }
    
    .card {
        margin-bottom: 1rem;
    }
}

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    .print-only {
        display: block !important;
    }
}

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

/* Focus indicators */
.btn:focus,
.form-control:focus,
.nav-link:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn-primary {
        background-color: #000;
        border-color: #000;
        color: #fff;
    }
    
    .text-muted {
        color: #666 !important;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}