.calculator-container {
    background-color: var(--bs-dark);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
}

.display input {
    background-color: var(--bs-dark);
    color: var(--bs-light);
    border: 1px solid var(--bs-secondary);
    text-align: right;
    font-size: 1.5rem;
    padding: 1rem;
}

.haiku-display {
    min-height: 120px;
    transition: all 0.3s ease;
}

.haiku-display .card {
    border: 1px solid var(--bs-secondary);
    background-color: var(--bs-dark) !important;
}

.btn {
    font-size: 1.25rem;
    padding: 1rem;
    transition: all 0.2s ease;
}

.btn:hover {
    transform: scale(0.98);
}

.btn-dark {
    background-color: var(--bs-dark);
    border: 1px solid var(--bs-secondary);
}

.btn-dark:hover {
    background-color: var(--bs-secondary);
}

#haiku-text {
    color: var(--bs-info);
    font-size: 1rem;
    line-height: 1.6;
}