/* ==========================================================================
   Daily Promo Pop-up Frontend Stylesheet
   ========================================================================== */

/* 彈窗遮罩層 (Overlay) */
#dpp-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(15, 23, 42, 0.65); /* 深色透明背景 */
    backdrop-filter: blur(8px);                 /* 高斯模糊背景 */
    -webkit-backdrop-filter: blur(8px);
    z-index: 999999;                            /* 確保在所有 WordPress 元件最上層 */
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

/* 隱藏狀態 */
#dpp-popup-overlay.dpp-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* 彈窗本體容器 */
.dpp-popup-container {
    position: relative;
    background: #ffffff;
    padding: 10px; /* 圖片邊框留白，營造拍立得或畫框質感 */
    border-radius: 24px;
    box-shadow: 
        0 10px 25px -5px rgba(0, 0, 0, 0.1),
        0 20px 48px -12px rgba(0, 0, 0, 0.25),
        inset 0 0 0 1px rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    max-width: 90%;
    width: 480px; /* 預設最大寬度 */
    transform: scale(1);
    opacity: 1;
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.4s ease;
}

/* 當隱藏時，彈窗縮小並淡出 */
#dpp-popup-overlay.dpp-hidden .dpp-popup-container {
    transform: scale(0.85);
    opacity: 0;
}

/* 關閉按鈕 */
.dpp-close-button {
    position: absolute;
    top: -16px;
    right: -16px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #ffffff;
    color: #1e293b;
    border: 1px solid rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: background-color 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s;
    z-index: 10;
    padding: 0;
}

.dpp-close-button:hover {
    background: #f8fafc;
    color: #ef4444; /* 懸停時按鈕圖示變紅 */
    transform: scale(1.1) rotate(90deg); /* 微動畫：旋轉並略微放大 */
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.dpp-close-button:active {
    transform: scale(0.95);
}

.dpp-close-button svg {
    width: 18px;
    height: 18px;
    display: block;
}

/* 廣告內容區 */
.dpp-popup-content {
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: 16px;
    display: flex;
}

/* 廣告連結與圖片 */
.dpp-ad-link {
    display: block;
    width: 100%;
    text-decoration: none;
    outline: none;
}

.dpp-ad-image {
    display: block;
    width: 100%;
    height: auto;
    max-height: 70vh; /* 確保在小螢幕高度的裝置上不會爆開 */
    object-fit: contain;
    border-radius: 16px;
    transition: transform 0.5s ease;
}

/* 懸停於有超連結的廣告圖時的微縮放動畫 */
.dpp-ad-link:hover .dpp-ad-image {
    transform: scale(1.02);
}

/* 無障礙隱藏標題類別 (Screen Reader Only) */
.dpp-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* 響應式優化 (小螢幕) */
@media (max-width: 500px) {
    .dpp-popup-container {
        width: 85%;
        padding: 8px;
    }
    
    .dpp-close-button {
        top: -12px;
        right: -12px;
        width: 32px;
        height: 32px;
    }
    
    .dpp-close-button svg {
        width: 16px;
        height: 16px;
    }
}