/* Optimized Performance CSS */

/* Hardware acceleration for all animated elements */
.glass-card, .glass-button, .loading-container, .loading-spinner {
    will-change: transform, opacity;
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Faster loading transitions */
.loading-container {
    transition: opacity 0.15s ease-out;
}

.loading-container.show {
    opacity: 1;
}

.loading-container.hide {
    opacity: 0;
    pointer-events: none;
}

/* Optimized button animations */
.glass-button {
    transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.glass-button:hover {
    transform: translateY(-1px) translateZ(0);
}

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

/* Enhanced loading spinner */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(59, 130, 246, 0.1);
    border-radius: 50%;
    border-top-color: #3b82f6;
    animation: spin 0.8s linear infinite;
    transform: translateZ(0);
}

@keyframes spin {
    to {
        transform: rotate(360deg) translateZ(0);
    }
}

/* Page transition optimization */
.page-transition {
    transition: opacity 0.2s ease-in-out;
}

/* Form optimizations */
.form-input {
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus {
    transition: border-color 0.1s ease, box-shadow 0.1s ease;
}

/* Salary dashboard optimizations */
.salary-progress-bar {
    transition: width 0.3s ease-out;
    transform: translateZ(0);
}

/* Admin panel optimizations */
.admin-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    transform: translateZ(0);
}

.admin-card:hover {
    transform: translateY(-2px) translateZ(0);
}

/* Error handling styles */
.error-message {
    background: #fee2e2;
    border: 1px solid #fecaca;
    color: #991b1b;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    animation: slideIn 0.3s ease-out;
}

.success-message {
    background: #dcfce7;
    border: 1px solid #bbf7d0;
    color: #166534;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Improve image loading */
img {
    image-rendering: optimizeQuality;
    image-rendering: -webkit-optimize-contrast;
}

/* Optimize table rendering */
.admin-table {
    table-layout: fixed;
    border-collapse: collapse;
}

/* Better scroll performance */
.scrollable-content {
    overflow-y: auto;
    transform: translateZ(0);
    -webkit-overflow-scrolling: touch;
}

/* Disable animations on mobile for better performance */
@media (max-width: 768px) {
    .glass-button:hover {
        transform: none;
    }
    
    .admin-card:hover {
        transform: none;
    }
}