/* ... existing ... */

.mode-select {
    display: flex;
    gap: 20px;
    margin-top: 10px;
}

.mode-btn {
    padding: 15px 30px;
    font-size: 1.2rem;
    border: none;
    cursor: pointer;
    font-family: 'Shippori Mincho', serif;
    transition: transform 0.2s, box-shadow 0.2s;
    color: white;
    text-shadow: 0 0 2px black;
}

.mode-btn:hover {
    transform: scale(1.1);
    z-index: 10;
}

.mode-btn.normal {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    box-shadow: 0 0 10px #4facfe;
}

.mode-btn.hard {
    background: linear-gradient(135deg, #ff0844 0%, #ffb199 100%);
    box-shadow: 0 0 10px #ff0844;
}

.note {
    font-size: 0.8rem;
    color: #aaa;
    margin-top: 10px;
}

/* ... existing ... */