/* 馅料图标样式 */
.filling-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    position: relative;
    margin: 0 auto;
    overflow: hidden;
    transition: all 0.3s ease;
}

/* 馅料名称样式 */
.filling-name {
    font-size: 0.9rem;
    margin-top: 0.4rem;
    color: var(--text-color);
    text-align: center;
    width: 100%;
}

/* 黑芝麻馅 */
.filling-icon.black-sesame {
    background: #2c3e50;
    background-image: radial-gradient(circle at 30% 30%,
            rgba(255, 255, 255, 0.2) 0%,
            rgba(44, 62, 80, 1) 60%);
}

.filling-icon.black-sesame::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 70% 70%,
            rgba(255, 255, 255, 0.1) 0%,
            transparent 30%);
}

/* 花生馅 */
.filling-icon.peanut {
    background: #d35400;
    background-image:
        linear-gradient(45deg,
            rgba(211, 84, 0, 1) 0%,
            rgba(230, 126, 34, 1) 100%);
}

.filling-icon.peanut::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        repeating-linear-gradient(45deg,
            transparent 0px,
            transparent 3px,
            rgba(255, 255, 255, 0.1) 3px,
            rgba(255, 255, 255, 0.1) 6px);
}

/* 红豆馅 */
.filling-icon.red-bean {
    background: #c0392b;
    background-image:
        radial-gradient(circle at 30% 30%,
            rgba(192, 57, 43, 1) 0%,
            rgba(169, 50, 38, 1) 100%);
}

.filling-icon.red-bean::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 60% 60%,
            rgba(255, 255, 255, 0.15) 0%,
            transparent 40%);
}

/* 莲蓉馅 */
.filling-icon.lotus {
    background: #f39c12;
    background-image:
        linear-gradient(135deg,
            rgba(243, 156, 18, 1) 0%,
            rgba(241, 196, 15, 1) 100%);
}

.filling-icon.lotus::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        repeating-radial-gradient(circle at 50% 50%,
            transparent 0px,
            transparent 5px,
            rgba(255, 255, 255, 0.1) 5px,
            rgba(255, 255, 255, 0.1) 10px);
}

/* 馅料选项悬停效果 */
.filling-option:hover .filling-icon {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

/* 选中状态 */
.filling-option.active .filling-icon {
    box-shadow: 0 0 0 3px var(--primary-color);
}