/* =========================================================
 * 优惠券卡片（领券中心）小工具 - 前端样式
 *   1. 多列分类卡片：列标题 + 右上插图 + 白色条目行
 *   2. 点击条目弹出二维码弹窗：蓝色标题栏 + 渠道 Tab + 二维码 + 说明 + 领取按钮
 * ========================================================= */

/* ------------------- 卡片网格 ------------------- */
.io-coupon-widget {
    --io-coupon-radius: 14px;
}

/* 外层不使用主题的 card 容器：无背景 / 无边框 / 无阴影 */
.io-coupon-shell {
    background: transparent !important;
    border: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin-left: 0;
    margin-right: 0;
}

/* 网格内容区：不再使用 card-body 内边距 */
.io-coupon-inner {
    padding: 0;
}

/* 尺寸计算统一以 border-box 为准，避免 padding 把列撑出容器 */
.io-coupon-widget,
.io-coupon-widget *,
.io-coupon-modal,
.io-coupon-modal * {
    box-sizing: border-box;
}

.io-coupon-grid {
    display: grid;
    /* min(200px, 100%) 保证容器极窄时也不会产生溢出列 */
    grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
    gap: 14px;
    min-width: 0;
    max-width: 100%;
}

.io-coupon-col {
    min-width: 0;                /* 关键：禁止内容把 grid 列撑宽，避免整块超出容器 */
    max-width: 100%;
    container-type: inline-size; /* 供下方 @container 按列宽切换条目布局 */
    container-name: io-coupon-col;
    border-radius: var(--io-coupon-radius);
    padding: 12px 12px 10px;
    background: #fdf6e7;
}

/* 分类主题色：背景 + 标题色 */
.io-coupon-col[data-theme="orange"] {
    background: #fdf6e7;
    --io-coupon-col-title: #c07a15;
}
.io-coupon-col[data-theme="green"] {
    background: #eef7ea;
    --io-coupon-col-title: #3f7d47;
}
.io-coupon-col[data-theme="purple"] {
    background: #f0eefc;
    --io-coupon-col-title: #6a5acd;
}
.io-coupon-col[data-theme="cream"] {
    background: #fdf7e3;
    --io-coupon-col-title: #a8712a;
}
.io-coupon-col[data-theme="blue"] {
    background: #eaf1fd;
    --io-coupon-col-title: #2f6bd8;
}

.io-coupon-col-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    min-width: 0;
    min-height: 40px;
    margin-bottom: 10px;
}

.io-coupon-col-title {
    min-width: 0;
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--io-coupon-col-title, #c07a15);
}

.io-coupon-col-icon {
    flex: 0 0 auto;
    max-width: 56px;
    max-height: 44px;
    height: auto;
    object-fit: contain;
}

/* 条目列表 */
.io-coupon-items {
    list-style: none;
    margin: 0;
    padding: 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.io-coupon-item {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
    padding: 7px 9px;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 1px 3px rgba(17, 24, 39, 0.06);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    outline: none;
}

.io-coupon-item:hover,
.io-coupon-item:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(17, 24, 39, 0.12);
}

.io-coupon-item-icon {
    flex: 0 0 auto;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #f5f6f8;
}

.io-coupon-item-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.io-coupon-item-letter {
    font-size: 13px;
    font-weight: 700;
    color: #8a8f99;
}

.io-coupon-item-name {
    flex: 1 1 auto;
    font-size: 13px;
    font-weight: 600;
    color: #23262b;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.io-coupon-item-desc {
    margin-left: auto;
    flex: 0 1 auto;              /* 允许收缩，列窄时优先省略说明而不是撑破卡片 */
    max-width: 58%;
    min-width: 0;
    font-size: 11px;
    color: #8a8f99;
    text-align: right;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ------------------- 弹窗 ------------------- */
html.io-coupon-noscroll,
body.io-coupon-noscroll {
    overflow: hidden !important;
}

.io-coupon-modal {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.io-coupon-modal.is-open {
    display: flex;
}

.io-coupon-mask {
    position: absolute;
    inset: 0;
    background: rgba(18, 24, 38, 0.45);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
}

.io-coupon-dialog {
    position: relative;
    width: min(420px, 92vw);
    max-height: 90vh;
    overflow-y: auto;
    padding: 18px 16px 16px;
    border-radius: 18px;
    background: linear-gradient(180deg, #1b46e0 0%, #0d33c6 55%, #0a2cae 100%);
    box-shadow: 0 24px 60px rgba(6, 14, 45, 0.45);
    -webkit-overflow-scrolling: touch;
}

.io-coupon-close {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 5;
    width: 28px;
    height: 28px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

.io-coupon-close:hover {
    background: rgba(255, 255, 255, 0.32);
}

/* 弹窗标题栏 */
.io-coupon-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 2px 32px 14px;
}

.io-coupon-head-line {
    flex: 1 1 auto;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, rgba(255, 215, 94, 0) 0%, #ffd75e 100%);
}

.io-coupon-head-line.is-right {
    background: linear-gradient(90deg, #ffd75e 0%, rgba(255, 215, 94, 0) 100%);
}

.io-coupon-head-title {
    flex: 0 0 auto;
    margin: 0;
    font-size: 19px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: 1px;
    color: #ffd75e;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
}

/* 渠道 Tab */
.io-coupon-tabs {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 0;
}

.io-coupon-tab {
    padding: 7px 14px;
    border: 0;
    border-radius: 9px 9px 0 0;
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.3;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
}

.io-coupon-tab:hover {
    background: rgba(255, 255, 255, 0.28);
}

.io-coupon-tab.is-active {
    background: linear-gradient(180deg, #ffe486 0%, #f7c840 100%);
    color: #2b2000;
}

/* 面板显隐：同一弹窗内只显示当前条目 */
.io-coupon-panel {
    display: none;
}

.io-coupon-panel.is-active {
    display: block;
}

/* 内容区 */
.io-coupon-panel-body {
    background: #fff;
    border-radius: 4px 12px 12px 12px;
    padding: 14px 14px 16px;
}

.io-coupon-qr-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    padding: 6px;
}

.io-coupon-qr {
    display: block;
    width: 100%;
    max-width: 240px;
    height: auto;
    border-radius: 8px;
}

.io-coupon-qr-empty {
    display: none;
    font-size: 13px;
    color: #9aa0aa;
}

.io-coupon-qr-wrap.is-empty {
    background: #f7f8fa;
    border: 1px dashed #d8dbe2;
    border-radius: 10px;
}

.io-coupon-qr-wrap.is-empty .io-coupon-qr {
    display: none;
}

.io-coupon-qr-wrap.is-empty .io-coupon-qr-empty {
    display: block;
}

/* 虚线分隔 + 两侧半圆缺口 */
.io-coupon-split {
    position: relative;
    height: 1px;
    margin: 14px -14px;
    border-top: 1px dashed #dfe3ea;
}

.io-coupon-split::before,
.io-coupon-split::after {
    content: "";
    position: absolute;
    top: -8px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #0d33c6;
}

.io-coupon-split::before {
    left: -8px;
}

.io-coupon-split::after {
    right: -8px;
}

.io-coupon-info {
    font-size: 13px;
    line-height: 1.9;
    color: #2f3238;
}

.io-coupon-info p {
    margin: 0;
}

.io-coupon-info strong {
    color: #17191d;
}

.io-coupon-tip {
    padding: 0 1px;
    font-weight: 600;
    color: #1f6b1f;
    background: linear-gradient(transparent 55%, #dcf7ad 55%);
}

.io-coupon-btn {
    display: block;
    width: 100%;
    margin-top: 14px;
    padding: 12px 16px;
    border: 0;
    border-radius: 10px;
    background: #1b3fd8;
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.io-coupon-btn:hover {
    background: #1232bb;
}

/* ------------------- 小屏适配 ------------------- */
@media (max-width: 576px) {
    .io-coupon-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 12px;
    }

    .io-coupon-dialog {
        width: 94vw;
        padding: 16px 12px 14px;
    }

    .io-coupon-head-title {
        font-size: 17px;
    }

    .io-coupon-tab {
        padding: 6px 11px;
        font-size: 12px;
    }

    .io-coupon-item-desc {
        font-size: 11px;
    }
}

/* ------------------- 窄列自适应（按列宽，而非页面宽度） ------------------- */
/* 列宽不足时把「名称 / 优惠说明」改为上下两行，文字完整显示，不再挤在一行被截断 */
@container io-coupon-col (max-width: 262px) {
    .io-coupon-item {
        flex-wrap: wrap;
        row-gap: 1px;
    }

    .io-coupon-item-name {
        flex: 1 1 auto;
        max-width: calc(100% - 32px);   /* 26px 图标 + 6px 间距 */
    }

    .io-coupon-item-desc {
        flex: 1 1 100%;
        max-width: 100%;
        margin-left: 32px;              /* 与名称左对齐 */
        text-align: left;
        font-size: 11px;
    }
}