.password-display-area {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: 25px;
}
#password-output {
    width: 100%;
    height: 50px;
    padding: 0 50px 0 15px;
    font-size: 1.4rem;
    font-family: 'Courier New', Courier, monospace;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #f8f9fa;
    color: #333;
    box-sizing: border-box;
}
.copy-button {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    width: 50px;
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: #555;
    cursor: pointer;
    transition: color 0.2s;
}
.copy-button:hover {
    color: var(--primary-color);
}
.copy-feedback {
    position: absolute;
    right: 55px;
    top: 50%;
    transform: translateY(-50%);
    background-color: #333;
    color: #fff;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.8rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    white-space: nowrap;
}
.copy-feedback.show {
    opacity: 1;
    visibility: visible;
}
.options-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin-bottom: 30px;
}
@media (min-width: 600px) {
    .options-container {
        grid-template-columns: 1fr 2fr;
        align-items: center;
    }
}
.option-item input[type="number"] {
    width: 100%;
    max-width: 150px;
    padding: 8px;
    font-size: 1rem;
    border: 1px solid #ccc;
    border-radius: 5px;
}
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 20px;
    margin-top: 8px;
}
.checkbox-group label {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}
.checkbox-group input {
    margin-right: 8px;
}
.generate-button {
    width: 100%;
    padding: 15px;
    font-size: 1.2rem;
}
.generate-button i {
    margin-right: 8px;
}