/* =========================================================
   Global Fixes & Improvements
   ========================================================= */

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

/* Lazy Loading for Images */
.lazy-image {
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.lazy-image.loaded {
    opacity: 1;
}

/* Intersection Observer for lazy loading */
.lazy-load {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.lazy-load.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Optimized animations */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Login Prompt Styles */
.login-prompt {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    will-change: transform;
}

.login-prompt .icon {
    font-size: 3rem;
    color: #0d6efd;
    margin-bottom: 1rem;
}

.login-prompt h4 {
    color: #212529;
    margin-bottom: 0.5rem;
}

.login-prompt p {
    color: #6c757d;
    margin-bottom: 1.5rem;
}

/* Public View Styles */
.public-view {
    opacity: 0.8;
    pointer-events: none;
}

.public-view .interactive-element {
    opacity: 0.6;
    pointer-events: none;
}

.public-view .edit-button {
    display: none !important;
}

/* Sample Data Styles */
.sample-data {
    background: #f8f9fa;
    border: 1px dashed #dee2e6;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.sample-data::before {
    content: "Sample Data";
    display: block;
    font-size: 0.75rem;
    color: #6c757d;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

/* Access Denied Styles */
.access-denied {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    border: 1px solid #ffc107;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
}

.access-denied .icon {
    font-size: 3rem;
    color: #ffc107;
    margin-bottom: 1rem;
}

/* Modal Improvements */
.modal-content {
    border-radius: 12px;
    border: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    will-change: transform;
}

.modal-header {
    border-bottom: 1px solid #e9ecef;
    padding: 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid #e9ecef;
    padding: 1.5rem;
}

/* Alert Improvements */
.alert {
    border-radius: 8px;
    border: none;
    padding: 1rem 1.25rem;
}

.alert-info {
    background: #e3f2fd;
    color: #1976d2;
}

.alert-info .alert-link {
    color: #0d47a1;
    text-decoration: underline;
}

.alert-info .alert-link:hover {
    color: #002171;
}

/* Button Improvements */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s ease;
    will-change: transform;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* Card Improvements */
.card {
    border-radius: 12px;
    border: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: all 0.2s ease;
    will-change: transform;
}

.card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

/* Responsive Improvements */
@media (max-width: 768px) {
    .login-prompt,
    .access-denied {
        padding: 1.5rem;
        margin: 1rem;
    }
    
    .login-prompt .icon,
    .access-denied .icon {
        font-size: 2.5rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}

/* Animation Improvements */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.5s ease-out;
}

/* Loading States */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #0d6efd;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Disabled States */
.disabled-element {
    opacity: 0.6;
    pointer-events: none;
    cursor: not-allowed;
}

/* Success States */
.success-state {
    background: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

/* Error States */
.error-state {
    background: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

/* Warning States */
.warning-state {
    background: #fff3cd;
    border-color: #ffeaa7;
    color: #856404;
}

/* Virtual Scrolling for Large Lists */
.virtual-scroll-container {
    height: 400px;
    overflow-y: auto;
    position: relative;
}

.virtual-scroll-item {
    position: absolute;
    width: 100%;
    height: 60px;
}

/* Optimized Scrollbar */
.virtual-scroll-container::-webkit-scrollbar {
    width: 8px;
}

.virtual-scroll-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.virtual-scroll-container::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

.virtual-scroll-container::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}