/* Upload Area Styling */
.upload-area {
    border: 3px dashed #dee2e6;
    border-radius: 15px;
    padding: 60px 20px;
    text-align: center;
    background-color: #f8f9fa;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-area:hover {
    border-color: #0d6efd;
    background-color: #e9f2ff;
}

.upload-area.dragover {
    border-color: #0d6efd;
    background-color: #cfe2ff;
    transform: scale(1.02);
}

/* Tab Styling */
.nav-tabs .nav-link {
    border: none;
    color: #6c757d;
    font-weight: 500;
    padding: 12px 24px;
}

.nav-tabs .nav-link.active {
    color: #0d6efd;
    border-bottom: 3px solid #0d6efd;
    background-color: transparent;
}

/* Preview Styling */
.img-thumbnail {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* Prompt Output */
#generatedPrompt {
    font-family: 'Courier New', monospace;
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    resize: none;
}

/* Responsive */
@media (max-width: 768px) {
    .upload-area {
        padding: 40px 15px;
    }
    
    .nav-tabs .nav-link {
        padding: 10px 15px;
        font-size: 0.9rem;
    }
    
    .btn-lg {
        padding: 10px 20px;
        font-size: 1rem;
    }
}

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

#resultSection {
    animation: fadeIn 0.5s ease-out;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}