/* Custom styles for PDF Digital Signer */

.card {
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(255, 255, 255, 0.075);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 0.5rem 1rem rgba(255, 255, 255, 0.15);
}

.form-control:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.btn-primary {
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.25rem 0.5rem rgba(13, 110, 253, 0.3);
}

.progress {
    height: 1rem;
    background-color: var(--bs-dark);
}

.progress-bar {
    transition: width 0.6s ease;
}

.spinner-border {
    width: 3rem;
    height: 3rem;
}

.alert {
    border: none;
    border-radius: 0.5rem;
}

.alert-success {
    background-color: rgba(25, 135, 84, 0.1);
    border-left: 4px solid var(--bs-success);
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    border-left: 4px solid var(--bs-danger);
}

.form-text {
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.card-header {
    background: linear-gradient(135deg, var(--bs-primary), var(--bs-info));
    border-bottom: none;
    color: white;
}

.card-header h2 {
    margin: 0;
    font-weight: 600;
}

/* File input styling */
.form-control[type="file"] {
    padding: 0.5rem;
}

.form-control[type="file"]::-webkit-file-upload-button {
    background-color: var(--bs-secondary);
    border: none;
    color: white;
    padding: 0.375rem 0.75rem;
    margin-right: 0.75rem;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.form-control[type="file"]::-webkit-file-upload-button:hover {
    background-color: var(--bs-dark);
}

/* Icon styling */
.fas {
    width: 1.25rem;
    text-align: center;
}

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

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

/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        margin-top: 2rem !important;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .btn-lg {
        font-size: 1rem;
    }
}