.passphrase-type-selection {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

.radio-option {
    display: flex;
    flex-direction: column;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--bg-secondary);
    position: relative;
}

.radio-option:hover {
    border-color: var(--primary-color);
    background: var(--card-bg);
}

.radio-option input[type="radio"] {
    margin: 0 0 0.5rem 0;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.radio-option input[type="radio"]:checked + .radio-label {
    color: var(--primary-color);
    font-weight: 600;
}

.radio-option:has(input[type="radio"]:checked) {
    border-color: var(--primary-color);
    background: var(--card-bg);
    box-shadow: 0 0 0 1px var(--primary-color);
}

.radio-label {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.radio-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.checkbox-group {
    flex-direction: row;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 500;
}

.checkbox-label input[type="checkbox"] {
    margin: 0;
}

.enhancement-options,
.character-sets {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.enhancement-options h4,
.character-sets h4 {
    margin: 0 0 1rem 0;
    color: var(--text-primary);
    font-size: 1rem;
}

.range-input {
    flex: 1;
    margin-right: 0.5rem;
}

.range-value {
    min-width: 2rem;
    text-align: center;
    font-weight: 600;
    color: var(--primary-color);
}

.control-group:has(.range-input) {
    flex-direction: row;
    align-items: center;
}

.control-group:has(.range-input) label {
    margin-bottom: 0;
    margin-right: 1rem;
    min-width: fit-content;
}

.passphrase-results {
    min-height: 100px;
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 1rem;
    background: var(--bg-secondary);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.passphrase-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    word-break: break-all;
}

.passphrase-text {
    flex: 1;
    font-family: inherit;
    color: var(--text-primary);
    margin-right: 1rem;
}

.btn-copy-individual {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    background: var(--primary-color);
    color: var(--button-text);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
    white-space: nowrap;
}

.btn-copy-individual:hover {
    background: var(--primary-hover);
}

.btn-copy-individual.copied {
    background: var(--success-color);
}

.placeholder-message {
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
    padding: 2rem;
}

.error-message {
    color: var(--error-color);
    background: rgba(220, 38, 38, 0.1);
    padding: 1rem;
    border-radius: 4px;
    border: 1px solid rgba(220, 38, 38, 0.2);
    margin-bottom: 1rem;
}

.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .passphrase-type-selection {
        grid-template-columns: 1fr;
    }
    
    .controls-grid {
        grid-template-columns: 1fr;
    }
    
    .passphrase-item {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }
    
    .passphrase-text {
        margin-right: 0;
        margin-bottom: 0.5rem;
    }
    
    .btn-copy-individual {
        align-self: flex-end;
    }
}