/* 计算器当前回合倍率：金色外框与未选中项明确区分。 */
.calc-multiplier {
    position: relative;
}

.calc-multiplier.active,
html[data-ui-style=midnight] .calc-multiplier.active {
    background: linear-gradient(145deg, #35301d, #1a211c);
    border-color: #ffe38c;
    color: #fff1ae;
    font-size: 14px;
    text-shadow: 0 0 8px rgba(255, 215, 0, 0.42);
    box-shadow: inset 0 0 0 1px rgba(255, 226, 123, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.22), 0 0 14px rgba(255, 215, 0, 0.18);
}

.calc-multiplier.active::before {
    content: '';
    position: absolute;
    inset: -4px;
    border: 2px solid #ffd700;
    border-radius: 13px;
    box-shadow: 0 0 0 1px rgba(115, 75, 0, 0.9), 0 0 13px rgba(255, 215, 0, 0.45);
    pointer-events: none;
}