/* Mobile-specific styles for CN Unit system */

/* Photo fullscreen overlay styles */
.photo-fullscreen-overlay {
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease-in-out;
}

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

/* CN Unit card styles */
.cn-unit-card {
    transition: all 0.2s ease;
    cursor: pointer;
}

.cn-unit-card:hover {
    background-color: #f8f9fa;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.cn-unit-card:active {
    transform: translateY(0);
    background-color: #e9ecef;
}

/* Main types container */
.main-types-container {
    max-height: 200px;
    overflow-y: auto;
}

/* Badge improvements */
.badge-sm {
    font-size: 0.75em;
    padding: 0.25em 0.5em;
}

/* Photo thumbnail styles */
.photo-thumbnail {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.2s ease;
}

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

.photo-thumbnail img {
    transition: opacity 0.2s ease;
}

.photo-thumbnail:hover img {
    opacity: 0.9;
}

/* Mobile optimizations */
@media (max-width: 768px) {
    .mobile-optimized .cn-unit-card {
        margin-bottom: 0.5rem;
    }

    .mobile-optimized .badge {
        font-size: 0.7rem;
    }

    .mobile-optimized .btn-sm {
        padding: 0.375rem 0.75rem;
        font-size: 0.8rem;
    }

    /* Touch-friendly spacing */
    .mobile-optimized .list-group-item {
        padding: 1rem;
    }

    /* Improved form controls */
    .mobile-optimized .form-control,
    .mobile-optimized .form-select {
        padding: 0.75rem;
        font-size: 1rem;
    }

    /* Better modal sizing */
    .mobile-optimized .modal-dialog {
        margin: 0.5rem;
    }

    .mobile-optimized .modal-content {
        border-radius: 0.5rem;
    }

    /* Gallery grid improvements */
    .mobile-optimized .photo-gallery .col-6 {
        padding: 0.25rem;
    }

    /* Button improvements */
    .mobile-optimized .btn {
        min-height: 44px; /* iOS recommended touch target */
    }

    /* Search input improvements */
    .mobile-optimized .input-group .form-control {
        border-right: 0;
    }

    .mobile-optimized .input-group .btn {
        border-left: 0;
    }
}

/* Loading states */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

/* Type badge colors */
.badge.bg-psv { background-color: #198754 !important; }
.badge.bg-bex { background-color: #dc3545 !important; }
.badge.bg-rep { background-color: #fd7e14 !important; }
.badge.bg-mid { background-color: #0dcaf0 !important; }
.badge.bg-ovh { background-color: #0d6efd !important; }
.badge.bg-cho { background-color: #6c757d !important; }

/* Responsive image improvements */
.ratio img {
    object-fit: cover;
    object-position: center;
}

/* Card hover effects */
.card:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
    transition: box-shadow 0.2s ease;
}

/* Scrollbar styling for webkit browsers */
.main-types-container::-webkit-scrollbar {
    width: 4px;
}

.main-types-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 2px;
}

.main-types-container::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 2px;
}

.main-types-container::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Fade-in animation for content */
.fade-in {
    animation: fadeInUp 0.5s ease-out;
}

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

/* Loading skeleton */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

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

/* Error states */
.error-state {
    color: #dc3545;
    text-align: center;
    padding: 2rem;
}

.error-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Success states */
.success-state {
    color: #198754;
    text-align: center;
    padding: 2rem;
}

/* Photo gallery improvements */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 0.5rem;
}

@media (max-width: 576px) {
    .photo-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 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 improvements */
.btn:focus,
.form-control:focus,
.form-select:focus {
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
    border-color: #86b7fe;
}

/* Print styles */
@media print {
    .btn, .modal, .fixed-top {
        display: none !important;
    }

    .cn-unit-card {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}