body {
    background-color: var(--bg-color);
    color: var(--text-color);
}

.lotto-set {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 10px 0;
    flex-wrap: wrap;
    justify-content: center;
}

.set-label {
    font-size: 0.85rem;
    opacity: 0.6;
    min-width: 36px;
    text-align: right;
}

.lotto-balls {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}

#setsContainer {
    margin: 20px 0;
}

.ball {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.1rem;
    box-shadow: 0 3px 6px rgba(0,0,0,0.25);
    animation: popIn 0.3s ease-out;
    color: #fff;
}

.ball-yellow { background: #f5a623; }
.ball-blue   { background: #4a90d9; }
.ball-red    { background: #e74c3c; }
.ball-gray   { background: #7f8c8d; }
.ball-green  { background: #27ae60; }

@keyframes popIn {
    0% { transform: scale(0); }
    80% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

button {
    width: 100%;
}

.secondary-btn {
    background-color: #666;
    margin-top: 10px;
}