.generator-card {
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: none;
    margin-bottom: 20px;
}
.form-label {
    font-weight: 600;
    color: #495057;
}
.input-group-text {
    background-color: #f8f9fa;
    font-weight: 500;
}
.btn-generate {
    background: linear-gradient(135deg, #f46b45 0%, #eea849 100%);
    border: none;
    color: white;
    font-weight: 600;
    padding: 12px 20px;
    border-radius: 8px;
    transition: all 0.3s;
}
.btn-generate:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(244, 107, 69, 0.25);
}
.btn-secondary-action {
    background-color: #6c757d;
    color: white;
    border-radius: 8px;
    padding: 10px 16px;
    font-weight: 500;
}
.btn-secondary-action:hover {
    background-color: #5a6268;
    color: white;
}
.btn-download {
    background-color: #28a745;
    color: white;
    border-radius: 8px;
    padding: 10px 16px;
    font-weight: 500;
    border: none;
}
.btn-download:hover {
    background-color: #218838;
    color: white;
}
.result-container {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    margin-top: 20px;
    border-left: 5px solid #f46b45;
}
.sequence-display {
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    line-height: 1.6;
    padding: 15px;
    background-color: #fff8f5;
    border-radius: 8px;
    border: 1px solid #ffddd1;
    max-height: 300px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
}
.format-option {
    border: 2px solid #dee2e6;
    border-radius: 8px;
    padding: 12px;
    cursor: pointer;
    transition: all 0.2s;
}
.format-option:hover {
    border-color: #f46b45;
    background-color: #f8f9fa;
}
.format-option.active {
    border-color: #f46b45;
    background-color: #fff5f0;
}
.format-icon {
    font-size: 1.5rem;
    color: #f46b45;
    margin-bottom: 8px;
}
.example-item {
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 8px;
    border-left: 4px solid transparent;
    transition: all 0.2s;
}
.example-item:hover {
    background-color: #e9ecef;
    border-left-color: #f46b45;
}
.example-title {
    font-weight: 600;
    color: #495057;
}
.example-desc {
    font-size: 0.9rem;
    color: #6c757d;
}
.alert-custom {
    border-radius: 10px;
    border-left: 5px solid #f46b45;
}
.info-box {
    background-color: #f0f8ff;
    border-radius: 8px;
    padding: 15px;
    border-left: 4px solid #007bff;
    margin-bottom: 20px;
}
.stats-box {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 15px;
    margin-top: 15px;
    border: 1px solid #dee2e6;
}
.stats-item {
    display: flex;
    justify-content: space-between;
    padding: 5px 0;
    border-bottom: 1px dashed #dee2e6;
}
.stats-item:last-child {
    border-bottom: none;
}
.slider-container {
    margin: 20px 0;
}
.slider-value {
    display: inline-block;
    width: 40px;
    text-align: center;
    font-weight: 600;
    color: #f46b45;
}
.preview-box {
    background-color: #fff;
    border-radius: 8px;
    padding: 15px;
    border: 2px dashed #dee2e6;
    margin-top: 15px;
}
.preview-title {
    font-weight: 600;
    color: #495057;
    margin-bottom: 10px;
}
.preview-item {
    font-family: 'Courier New', monospace;
    padding: 5px 10px;
    background-color: #f8f9fa;
    border-radius: 4px;
    margin-bottom: 5px;
    border-left: 3px solid #f46b45;
}
.action-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 15px;
}
.action-buttons .btn {
    flex: 1;
    min-width: 120px;
}
.tab-content {
    padding: 20px 0;
}
.nav-tabs .nav-link {
    color: #495057;
    font-weight: 500;
    /*border: none;*/
    /*border-bottom: 3px solid transparent;*/
    /*margin-right: 10px;*/
    /*padding: 10px 20px;*/
}
.nav-tabs .nav-link.active {
    color: #f46b45;
    background-color: transparent;
    border-bottom: 3px solid #f46b45;
}
.nav-tabs .nav-link:hover {
    color: #f46b45;
    border-bottom: 3px solid rgba(244, 107, 69, 0.5);
}
.progress-container {
    margin-top: 20px;
}
.progress {
    height: 10px;
    border-radius: 5px;
    margin-bottom: 10px;
}
.progress-bar {
    background-color: #f46b45;
    border-radius: 5px;
}
.zero-preview {
    display: inline-block;
    font-family: 'Courier New', monospace;
    background-color: #f0f0f0;
    padding: 2px 6px;
    border-radius: 4px;
    margin: 0 2px;
}