/* promotion.css - 推广中心专用样式 */

/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
}

body {
    min-height: 100vh;
    background-color: #F8F9FA; /* 与首页 bg-gray-100 一致 */
    padding-bottom: 60px; /* 为底部导航预留空间 */
}

/* 加载状态 */
.loading {
    color: #FF4757; /* 主色调 */
    text-align: center;
    padding: 50px 0;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #FF4757;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: #ADB5BD; /* gray-500 */
    font-size: 14px;
}

.empty-icon {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.3;
}

/* 推广码区域样式增强 */
#promotionCode {
    letter-spacing: 2px;
    font-size: 16px;
}

/* 会员列表项动画效果 */
#memberContainer > div {
    transition: all 0.2s ease;
}

#memberContainer > div:hover {
    transform: translateY(-2px);
}

/* 按钮交互效果 */
#copyBtn, #shareBtn {
    transition: all 0.2s ease;
}

#copyBtn:hover {
    background-color: #FF4757;
    color: white;
}

#shareBtn:hover {
    background-color: #e63e4d;
    box-shadow: 0 4px 12px rgba(255, 71, 87, 0.3);
    transform: translateY(-1px);
}

#shareBtn:active {
    transform: translateY(1px);
}

/* 数字变化动画 */
@keyframes countUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

#totalPromotion, #todayPromotion, #totalPoints, #todayPoints {
    animation: countUp 0.5s ease-out forwards;
}

/* 响应式调整 */
@media (min-width: 768px) {
    main {
        max-width: 750px;
        margin: 0 auto;
    }
    
    #memberContainer {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
}