/* 머티리얼 버튼 스타일 */
.material-btn {
    display: inline-block;
    min-width: 120px;
    margin: 8px;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    color: #fff;
    background: #1976d2;
    border: none;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(25, 118, 210, 0.15);
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
    outline: none;
}

.material-btn:hover,
.material-btn:focus {
    background: #1565c0;
    box-shadow: 0 4px 8px rgba(25, 118, 210, 0.25);
    transform: translateY(-2px) scale(1.03);
}

.material-btn:active {
    background: #0d47a1;
    box-shadow: 0 1px 2px rgba(25, 118, 210, 0.15);
    transform: translateY(1px) scale(0.98);
}

.material-btn:focus-visible {
    outline: 3px solid #ffeb3b;
    outline-offset: 2px;
}

.event-test-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}