/* ===== 提示詞 @ 引用圖片（issue #11164，assets/js/ui/prompt-image-tags.js）=====
   標籤色走紫色裝飾變數（--purple-start），與主品牌青綠區分；與 NMGenAI 的 sysnode 紫一致的語意 */

.pit-wrap {
    position: relative;
    width: 100%;
}

/* textarea 本體只負責游標、選取與背景；文字由上方覆蓋層畫 */
.pit-wrap .pit-ta {
    color: transparent !important;
    -webkit-text-fill-color: transparent !important;
}

.pit-wrap .pit-ta::placeholder {
    color: var(--text-muted, #999);
    -webkit-text-fill-color: var(--text-muted, #999);
}

.pit-wrap .pit-ta::selection {
    background: rgba(var(--purple-start-rgb, 102, 126, 234), 0.25);
}

.pit-hl {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    margin: 0;
    box-sizing: border-box;
    overflow: hidden;
    border-style: solid;
    border-color: transparent;
    background: transparent;
    pointer-events: none;
}

/* 標籤不可改變字寬（加粗 / 左右 padding 會讓游標偏移）：padding 與負 margin 抵銷 */
.pit-chip {
    color: var(--purple-start, #667eea);
    background: rgba(var(--purple-start-rgb, 102, 126, 234), 0.14);
    border-radius: 4px;
    padding: 0 1px;
    margin: 0 -1px;
    text-decoration: underline dotted;
    text-underline-offset: 3px;
}

/* 超出目前張數（例：只有 2 張卻寫 image3） */
.pit-chip.is-missing {
    color: var(--error-color, #e74c3c);
    background: rgba(231, 76, 60, 0.1);
    text-decoration: underline wavy;
}

.pit-caret-marker {
    display: inline;
}

.pit-hint {
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-light, #6c757d);
}

.pit-hint i {
    color: var(--purple-start, #667eea);
    margin-right: 2px;
}

.pit-hint kbd {
    display: inline-block;
    padding: 0 5px;
    border: 1px solid var(--border-color, #dee2e6);
    border-bottom-width: 2px;
    border-radius: 4px;
    background: var(--background-light, #fff);
    font: 600 11px/1.5 Consolas, monospace;
    color: var(--purple-start, #667eea);
}

/* ----- @ 選單 ----- */
.pit-menu {
    position: fixed;
    z-index: 10050;
    min-width: 220px;
    max-width: 320px;
    max-height: 260px;
    overflow-y: auto;
    padding: 6px;
    box-sizing: border-box;
    background: var(--background-light, #fff);
    border: 1px solid var(--border-color, #dee2e6);
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

.pit-menu[hidden],
.pit-preview[hidden],
.pit-hint[hidden] {
    display: none;
}

.pit-menu-head {
    padding: 2px 8px 6px;
    font-size: 12px;
    color: var(--text-muted, #999);
}

.pit-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 6px 8px;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--text-color, #2c3e50);
    font: inherit;
    text-align: left;
    cursor: pointer;
}

.pit-item.is-active {
    background: rgba(var(--purple-start-rgb, 102, 126, 234), 0.12);
}

.pit-item-thumb {
    flex: none;
    width: 40px;
    height: 40px;
    border-radius: 6px;
    object-fit: cover;
    background: var(--background-dark, #f8f9fa);
    border: 1px solid var(--border-light, #e9ecef);
}

.pit-item-noimg,
.pit-preview-noimg {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted, #999);
}

.pit-item-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
    line-height: 1.3;
}

.pit-item-text b {
    font: 600 13px/1.4 Consolas, monospace;
    color: var(--purple-start, #667eea);
}

.pit-item-text span {
    font-size: 12px;
    color: var(--text-light, #6c757d);
}

/* ----- 滑鼠停在標籤上的縮圖 ----- */
.pit-preview {
    position: fixed;
    z-index: 10060;
    padding: 6px;
    background: var(--background-light, #fff);
    border: 1px solid var(--border-color, #dee2e6);
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
    pointer-events: none;
}

.pit-preview img,
.pit-preview-noimg {
    display: block;
    width: 140px;
    height: 140px;
    border-radius: 6px;
    object-fit: cover;
    background: var(--background-dark, #f8f9fa);
}

.pit-preview-caption {
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-light, #6c757d);
}

.pit-preview-caption b {
    font-family: Consolas, monospace;
    color: var(--purple-start, #667eea);
}

/* ----- 多圖上傳縮圖上的編號（對應提示詞的 imageN）；放左下，避開右上的移除鈕 ----- */
.multi-image-thumb .multi-image-slot {
    position: absolute;
    bottom: 4px;
    left: 4px;
    z-index: 1;
    padding: 0 6px;
    border-radius: 999px;
    background: var(--purple-start, #667eea);
    color: var(--text-white, #fff);
    font: 600 11px/1.6 Consolas, monospace;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
    pointer-events: none;
}