/* Custom styles for Panorama GLB Generator */

.feature-icon {
    width: 48px;
    height: 48px;
    color: var(--bs-primary);
}

.file-preview-item {
    position: relative;
    margin-bottom: 10px;
}

.file-preview-image {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 4px;
}

.file-remove-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    color: white;
    font-size: 12px;
    line-height: 1;
    cursor: pointer;
}

.file-remove-btn:hover {
    background: rgba(220, 53, 69, 0.8);
}

.upload-validation {
    font-size: 0.875rem;
}

.upload-validation.valid {
    color: var(--bs-success);
}

.upload-validation.invalid {
    color: var(--bs-danger);
}

/* Processing animations */
.processing-spinner {
    animation: spin 1s linear infinite;
}

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

/* Stage indicators */
.list-group-item {
    border: 1px solid var(--bs-border-color);
    background-color: var(--bs-body-bg);
}

.list-group-item.active-stage {
    background-color: var(--bs-primary-bg-subtle);
    border-color: var(--bs-primary-border-subtle);
}

.list-group-item.completed-stage {
    background-color: var(--bs-success-bg-subtle);
    border-color: var(--bs-success-border-subtle);
}

/* Progress bar styling */
.progress {
    background-color: var(--bs-secondary-bg);
}

.progress-bar {
    background-color: var(--bs-primary);
}

/* Card hover effects */
.card {
    transition: transform 0.2s ease-in-out;
}

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

/* Button styling */
.btn {
    border-radius: 6px;
    font-weight: 500;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 1.1rem;
}

/* File input styling */
.form-control:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.2rem rgba(var(--bs-primary-rgb), 0.25);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .feature-icon {
        width: 36px;
        height: 36px;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .btn-lg {
        padding: 10px 20px;
        font-size: 1rem;
    }
}

/* Dark theme specific adjustments */
[data-bs-theme="dark"] .card {
    background-color: var(--bs-gray-900);
    border-color: var(--bs-gray-700);
}

[data-bs-theme="dark"] .list-group-item {
    background-color: var(--bs-gray-800);
    border-color: var(--bs-gray-700);
    color: var(--bs-gray-100);
}

[data-bs-theme="dark"] .text-muted {
    color: var(--bs-gray-400) !important;
}

/* Alert styling */
.alert {
    border-radius: 6px;
    border: none;
}

.alert-danger {
    background-color: var(--bs-danger-bg-subtle);
    color: var(--bs-danger-text);
    border-color: var(--bs-danger-border-subtle);
}

.alert-success {
    background-color: var(--bs-success-bg-subtle);
    color: var(--bs-success-text);
    border-color: var(--bs-success-border-subtle);
}

/* Loading states */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* File size and count indicators */
.file-stats {
    padding: 8px 12px;
    background-color: var(--bs-secondary-bg);
    border-radius: 4px;
    font-size: 0.875rem;
}

.file-stats.valid {
    background-color: var(--bs-success-bg-subtle);
    color: var(--bs-success-text);
}

.file-stats.invalid {
    background-color: var(--bs-danger-bg-subtle);
    color: var(--bs-danger-text);
}

/* Panorama preview styling */
.panorama-preview-container {
    position: relative;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.panorama-preview-container img {
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: opacity 0.3s ease;
}

.panorama-preview-container img:not([src]) {
    opacity: 0;
}

/* Loading state for panorama preview */
.panorama-preview-container::before {
    content: 'Loading preview...';
    position: absolute;
    color: var(--bs-gray-400);
    font-size: 0.9rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.panorama-preview-container:has(img:not([src]))::before {
    opacity: 1;
}

/* Enhanced download buttons */
.btn-lg small {
    font-size: 0.75rem;
    opacity: 0.8;
}

/* File info panel */
.file-info-panel {
    background: var(--bs-gray-900);
    border-radius: 6px;
    border: 1px solid var(--bs-gray-700);
}

/* Responsive panorama preview */
@media (max-width: 768px) {
    .panorama-preview-container {
        min-height: 150px;
    }
    
    .panorama-preview-container img {
        max-height: 200px;
    }
}