/* ============================================================
 * 卡尼奶主题 · 弹窗通知
 * 作用域限定 .knn-notice-* 前缀，兼顾深色模式 body.dark-mode
 * ============================================================ */

.knn-notice-overlay,
.knn-notice-overlay *,
.knn-notice-overlay *::before,
.knn-notice-overlay *::after {
    box-sizing: border-box;
}

/* ---------- 遮罩层（默认隐藏，JS 加 .is-open 后淡入） ---------- */
.knn-notice-overlay {
    position: fixed;
    inset: 0;
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 24px;
    background: rgba(0, 0, 0, 0.52);
    font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB',
                 'Microsoft YaHei', sans-serif;
    /* 初始隐藏 */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .25s ease, visibility .25s ease;
}

.knn-notice-overlay.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* 关闭动画 */
.knn-notice-overlay.is-closing {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .2s ease, visibility .2s ease;
}

/* ---------- 弹窗卡片 ---------- */
.knn-notice-modal {
    position: relative;
    width: 100%;
    max-width: 460px;
    background: #fff;
    border-radius: 18px;
    overflow: visible;    /* 盾牌图标向上突出需要 visible */
    box-shadow: 0 8px 40px rgba(0, 0, 0, .22);
    /* 初始缩小 + 下移，is-open 后弹出 */
    transform: scale(.88) translateY(16px);
    opacity: 0;
    transition: transform .25s cubic-bezier(.34, 1.38, .64, 1), opacity .25s ease;
}

.knn-notice-overlay.is-open .knn-notice-modal {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.knn-notice-overlay.is-closing .knn-notice-modal {
    transform: scale(.92) translateY(8px);
    opacity: 0;
    transition: transform .2s ease, opacity .2s ease;
}

/* 宽度变体 */
.knn-notice-modal--small { max-width: 360px; }
.knn-notice-modal--large { max-width: 560px; }

/* ---------- 盾牌图标（绝对定位，向上突出约 34px） ---------- */
.knn-notice-shield {
    position: absolute;
    top: -34px;
    left: 50%;
    transform: translateX(-50%);
    width: 66px;
    height: 72px;
    filter: drop-shadow(0 6px 14px rgba(255, 130, 0, .40));
    pointer-events: none;
}

/* ---------- 标题区（浅橙背景，圆角与卡片顶部一致） ---------- */
.knn-notice-head {
    background: #FFF3E0;
    border-radius: 18px 18px 0 0;
    padding: 46px 22px 16px; /* 46px 为盾牌留空间 */
    text-align: center;
}

.knn-notice-title {
    font-size: 17px;
    font-weight: 700;
    color: #1a1a1a;
    letter-spacing: .4px;
    line-height: 1.4;
    margin: 0;
}

/* ---------- 正文滚动区 ---------- */
.knn-notice-body {
    padding: 14px 20px 18px;
    max-height: 300px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: #ddd transparent;
}

.knn-notice-body::-webkit-scrollbar {
    width: 4px;
}

.knn-notice-body::-webkit-scrollbar-thumb {
    background: #ddd;
    border-radius: 2px;
}

.knn-notice-body p {
    font-size: 13.5px;
    color: #555;
    line-height: 1.78;
    margin-bottom: 10px;
}

.knn-notice-body p:last-child {
    margin-bottom: 0;
}

.knn-notice-body a {
    color: #1677ff;
    text-decoration: none;
}

.knn-notice-body a:hover {
    text-decoration: underline;
}

/* ---------- 底部按钮区 ---------- */
.knn-notice-footer {
    display: flex;
    align-items: stretch;
    border-top: 1px solid #ebebeb;
    border-radius: 0 0 18px 18px;
    overflow: hidden;
}

.knn-notice-btn {
    flex: 1;
    height: 50px;
    padding: 0;
    border: none;
    background: transparent;
    font-size: 16px;
    font-family: inherit;
    cursor: pointer;
    line-height: 50px;
    transition: background-color .15s ease;
    -webkit-tap-highlight-color: rgba(0, 0, 0, .06);
    outline: none;
}

.knn-notice-btn:active {
    background: rgba(0, 0, 0, .04);
}

/* 取消按钮 */
.knn-notice-btn-cancel {
    color: #999;
    font-weight: 400;
    border-right: 1px solid #ebebeb;
}

/* 确认按钮（橙色渐变文字） */
.knn-notice-btn-confirm {
    color: #FF8C00;
    font-weight: 600;
    background: linear-gradient(90deg, #FFA626, #FF7A00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---------- 锁定页面滚动（弹窗打开期间） ---------- */
body.knn-notice-open {
    overflow: hidden;
}

/* ---------- 深色模式 ---------- */
body.dark-mode .knn-notice-modal {
    background: #1e1e24;
}

body.dark-mode .knn-notice-head {
    background: #2c2012;
}

body.dark-mode .knn-notice-title {
    color: #f0f0f0;
}

body.dark-mode .knn-notice-body p {
    color: #aaa;
}

body.dark-mode .knn-notice-body a {
    color: #4096ff;
}

body.dark-mode .knn-notice-footer {
    border-top-color: rgba(255, 255, 255, .08);
}

body.dark-mode .knn-notice-btn-cancel {
    color: #666;
    border-right-color: rgba(255, 255, 255, .08);
}

/* ---------- 移动端适配 ---------- */
@media (max-width: 600px) {
    .knn-notice-overlay {
        padding: 0 16px;
    }

    .knn-notice-modal {
        max-width: 100%;
        border-radius: 20px;
    }

    .knn-notice-modal--small,
    .knn-notice-modal--large {
        max-width: 100%;
    }

    .knn-notice-shield {
        top: -28px;
        width: 56px;
        height: 62px;
    }

    .knn-notice-head {
        padding: 38px 18px 14px;
    }

    .knn-notice-body {
        max-height: 240px;
    }
}