/* 留言框容器 - 確保初始完全隱藏 */
.comment-input-area {
    background-color: #F5F5F5;
    border-top: 1px solid #E9EAEB;
    padding: 16px;
    /* 初始隱藏設置 */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    display: none;
}

/* 只有當 detail-container 有 visible 類時才顯示留言框 */
#detail-container.visible .comment-input-area {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    display: block;
}

/* 圖片預覽區域 */
.image-preview-gallery {
    display: none;
    overflow-x: auto;
    scroll-behavior: smooth;
    gap: 8px;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

.image-preview-gallery:not(.empty) {
    display: flex !important;
}

.image-preview-gallery::-webkit-scrollbar {
    height: 4px;
}

.image-preview-gallery::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 2px;
}

.image-preview-gallery::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 2px;
}

.image-preview-gallery::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 拖放高亮效果 */
.image-preview-gallery.drag-highlight {
    border: 2px dashed #FBBF24;
    background-color: #FFFBEB;
    border-radius: 8px;
    padding: 8px;
}

/* 圖片預覽項目 */
.image-preview-item {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: 8px;
    overflow: visible !important; /* 確保刪除按鈕不被裁切 */
    flex-shrink: 0;
    opacity: 1;
    transform: scale(1);
    transition: all 0.2s ease;
    border: 2px solid #F59E0B;
}

.image-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 6px; /* 稍微小於父容器的圓角 */
}

.image-preview-item.existing-image {
    border-color: #10B981;
}

.image-preview-item.new-image {
    border-color: #F59E0B;
    margin-bottom: 12px;
}

.image-preview-item.imgur-image {
    border-color: #8B5CF6;
    position: relative;
}

.image-preview-item.imgur-image::before {
    content: "來自 Imgur";
    position: absolute;
    top: 4px;
    left: 4px;
    background: rgba(139, 92, 246, 0.9);
    color: white;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    z-index: 5;
    pointer-events: none;
}

.image-preview-item.from-imgur-image {
    border-color: #6366F1;
    position: relative;
}

.image-preview-item.from-imgur-image::after {
    content: "來自 Imgur";
    position: absolute;
    bottom: 4px;
    right: 4px;
    background: rgba(99, 102, 241, 0.9);
    color: white;
    font-size: 9px;
    font-weight: 500;
    padding: 1px 4px;
    border-radius: 3px;
    z-index: 5;
    pointer-events: none;
}

/* 圖片刪除按鈕 - 高斯模糊圓形背景設計 */
.comment-input-area .image-preview-remove,
#comment-image-preview-container .image-preview-remove,
.image-preview-gallery .image-preview-remove {
    position: absolute !important;
    top: 6px !important;
    right: 6px !important;
    background-color: rgba(255, 255, 255, 0.2) !important; /* 半透明白色背景 */
    color: white !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important; /* 微妙的白色邊框 */
    border-radius: 50% !important;
    width: 22px !important;
    height: 22px !important;
    cursor: pointer !important;
    font-size: 14px !important;
    font-family: Arial, sans-serif !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    opacity: 0.9 !important;
    visibility: visible !important;
    transition: all 0.3s ease !important;
    z-index: 10 !important;
    pointer-events: auto !important;
    backdrop-filter: blur(10px) saturate(180%) !important; /* 強化的高斯模糊效果 */
    -webkit-backdrop-filter: blur(10px) saturate(180%) !important; /* Safari 支持 */
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15) !important; /* 柔和陰影 */
    line-height: 1 !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5) !important; /* 文字陰影增加對比度 */
}

.comment-input-area .image-preview-remove:hover,
#comment-image-preview-container .image-preview-remove:hover,
.image-preview-gallery .image-preview-remove:hover {
    background-color: rgba(255, 255, 255, 0.3) !important;
    border-color: rgba(255, 255, 255, 0.5) !important;
    opacity: 1 !important;
    transform: scale(1.1) !important;
    backdrop-filter: blur(12px) saturate(200%) !important;
    -webkit-backdrop-filter: blur(12px) saturate(200%) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2) !important;
}

/* 確保父容器不會隱藏刪除按鈕 */
.comment-input-area .image-preview-item,
#comment-image-preview-container .image-preview-item,
.image-preview-gallery .image-preview-item {
    position: relative !important;
    overflow: visible !important; /* 確保按鈕不被裁切 */
}

/* 強制顯示規則 - 覆蓋任何可能的隱藏 */
.comment-input-area .image-preview-item .image-preview-remove,
#comment-image-preview-container .image-preview-item .image-preview-remove,
.image-preview-gallery .image-preview-item .image-preview-remove {
    opacity: 1 !important;
    visibility: visible !important;
    display: flex !important;
}

.comment-input-area .image-preview-item:hover .image-preview-remove,
#comment-image-preview-container .image-preview-item:hover .image-preview-remove,
.image-preview-gallery .image-preview-item:hover .image-preview-remove {
    opacity: 1 !important;
    visibility: visible !important;
    display: flex !important;
}

/* 未登入狀態樣式 */
.login-required-input {
    cursor: pointer;
    transition: all 0.2s ease;
}

.login-required-input:hover {
    border-color: #BE9F34;
    box-shadow: 0px 2px 4px 0px rgba(10, 13, 18, 0.1);
}

.login-required-textarea {
    cursor: pointer !important;
    color: #6B7280 !important;
}

.login-required-btn {
    cursor: pointer !important;
    transition: all 0.2s ease;
}

.login-required-btn:hover {
    background-color: rgba(131, 94, 37, 0.1);
}

/* 留言框主體 */
.message-action-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.textarea-input-field {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 6px;
}

.input-with-label {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 6px;
}

/* 輸入框容器 */
.enhanced-input {
    border: 2px solid #BE9F34;
    background-color: #FFFFFF;
    box-shadow: 0px 1px 2px 0px rgba(10, 13, 18, 0.05);
    border-radius: 8px;
    padding: 12px 14px;
    display: flex;
    align-items: flex-end;
    gap: 8px;
    transition: all 0.2s ease;
    width: 100%;
    box-sizing: border-box;
}

.enhanced-input:focus-within {
    border-color: #BE9F34;
}

.input-content-wrapper {
    flex: 1;
    display: flex;
    align-items: stretch;
    padding: 2px 0;
}

/* Textarea 樣式 */
.message-input {
    flex: 1;
    border: none;
    outline: none;
    resize: none;
    min-height: 20px;
    max-height: 100px;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5em;
    color: #181D27;
    background-color: transparent;
    padding: 0;
    overflow-y: hidden;
    width: 100%;
}

.message-input::placeholder {
    color: #181D27;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5em;
}

.message-input:focus { 
    outline: none;
    box-shadow: none;
}

/* 操作按鈕區域 */
.message-input-actions {
    display: flex;
    align-items: center;
    gap: 2px;
}

.utilities {
    display: flex;
    align-items: center;
    gap: 2px;
}

/* 圖片上傳按鈕 */
.image-upload-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #A4A7AE;
    font-size: 16px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    width: 28px;
    height: 28px;
    transition: background-color 0.2s ease;
}

.image-upload-btn:hover {
    background-color: rgba(164, 167, 174, 0.1);
}

.image-upload-btn i {
    font-size: 16px;
    width: 16px;
    height: 16px;
}

/* 提交按鈕 */
.submit-button {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    border-radius: 999px;
    background-color: transparent;
    border: none;
    cursor: pointer;
    height: 28px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 14px;
    line-height: 1.4285714285714286em;
    color: #835E25;
    transition: background-color 0.2s ease;
}

.submit-button:hover {
    background-color: rgba(131, 94, 37, 0.1);
}

.submit-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 手機端響應式調整 */
@media (max-width: 576px ) {
    .comment-input-area {
        padding: 12px;
    }

    .enhanced-input {
        padding: 10px 12px;
    }
    
    .message-input {
        font-size: 14px;
    }
    
    .image-upload-btn {
        width: 24px;
        height: 24px;
        padding: 4px;
    }
    
    .image-upload-btn i {
        font-size: 14px;
        width: 14px;
        height: 14px;
    }
    
    .submit-button {
        padding: 6px 10px;
        height: 24px;
        font-size: 12px;
    }

    .image-preview-item {
        width: 60px;
        height: 60px;
    }
}