/**
 * 前端样式 - 智能下载按钮
 */

/* 容器样式 */
.zibpay-download-container {
    position: relative;
    display: inline-block;
    margin: 10px 0;
}

/* 下载按钮基础样式 */
.zibpay-download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.zibpay-download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.3);
}

.zibpay-download-btn:active {
    transform: translateY(0);
}

/* 按钮尺寸 */
.zibpay-btn-small {
    padding: 8px 16px;
    font-size: 14px;
}

.zibpay-btn-medium {
    padding: 12px 24px;
    font-size: 16px;
}

.zibpay-btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

/* 按钮样式 - 渐变蓝 */
.zibpay-btn-gradient-blue {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
}

/* 按钮样式 - 渐变紫 */
.zibpay-btn-gradient-purple {
    background: linear-gradient(135deg, #9F7AEA 0%, #6B46C1 100%);
    color: white;
    border: none;
}

/* 按钮样式 - 渐变绿 */
.zibpay-btn-gradient-green {
    background: linear-gradient(135deg, #38B2AC 0%, #319795 100%);
    color: white;
    border: none;
}

/* 按钮样式 - 渐变橙 */
.zibpay-btn-gradient-orange {
    background: linear-gradient(135deg, #ED8936 0%, #DD6B20 100%);
    color: white;
    border: none;
}

/* 按钮图标 */
.zibpay-download-btn i {
    font-size: 1.2em;
}

/* 按钮文本 */
.zibpay-btn-text {
    flex: 1;
}

/* 文件大小标签 */
.zibpay-file-size {
    background: rgba(255, 255, 255, 0.2);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.85em;
    margin-left: 8px;
}

/* 二维码容器 */
.zibpay-qrcode-container {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 10px;
    z-index: 1000;
    animation: fadeIn 0.3s ease-in;
}

.zibpay-qrcode-wrapper {
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    text-align: center;
}

.zibpay-qrcode {
    width: 200px;
    height: 200px;
}

.zibpay-qrcode img {
    width: 100%;
    height: 100%;
    display: block;
}

.zibpay-qrcode-tip {
    margin: 10px 0 0 0;
    font-size: 14px;
    color: #666;
}

/* 错误提示 */
.zibpay-download-error {
    background: #fee;
    color: #c00;
    padding: 10px 15px;
    border-radius: 4px;
    border-left: 4px solid #c00;
    margin: 10px 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .zibpay-download-btn {
        width: 100%;
        justify-content: center;
    }
    
    .zibpay-qrcode-wrapper {
        width: 90vw;
        max-width: 200px;
    }
    
    .zibpay-qrcode {
        width: 100%;
        height: auto;
    }
}

/* 加载动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* 悬停效果 - 仅桌面端 */
@media (min-width: 769px) {
    .zibpay-download-btn:hover .zibpay-qrcode-container {
        display: block;
    }
}

/* 移动端隐藏二维码 */
@media (max-width: 768px) {
    .zibpay-qrcode-container {
        display: none !important;
    }
}

/* 加载指示器 */
.zibpay-loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}