/* ===== Memory Palace (speaker mode) ===== */
/* 配色对齐 app 的浅色主题（白 / 灰阶），不引入额外强调色 */
.palace-overlay {
    position: fixed;
    inset: 0;
    background: #fff;
    color: #000;
    z-index: 1100;
    display: flex;
    flex-direction: column;
}
.palace-overlay[hidden] { display: none; }

/* ----- Creator mode: palace 让出右 1/3 给 agent panel；palace-side 默认隐藏，
   选中节点/连线时浮起遮盖 agent ----- */
.palace-overlay.creator-mode {
    right: 33.33vw;
}
.palace-overlay.creator-mode .palace-edit-view {
    grid-template-columns: 1fr;
}
.palace-overlay.creator-mode .palace-side {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 33.33vw;
    z-index: 1200;
    border-left: 1px solid #e8e8e8;
    box-shadow: -6px 0 18px rgba(0, 0, 0, 0.08);
    background: #fff;
    padding-top: 48px;
}
.palace-overlay.creator-mode .palace-side[hidden] {
    display: none;
}
.palace-side-close-creator {
    position: fixed;
    top: 12px;
    right: 12px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid #ddd;
    color: #555;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    z-index: 1201;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
.palace-side-close-creator[hidden] {
    display: none;
}
.palace-side-close-creator:hover {
    color: #000;
    background: #fff;
}
.palace-header {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 18px;
    border-bottom: 1px solid #eee;
    background: #fafafa;
}
.palace-title {
    font-size: 14px;
    font-weight: 600;
    color: #000;
    display: inline-flex;
    align-items: center;
    gap: 2px;
}
.palace-title-project {
    cursor: text;
    padding: 2px 6px;
    border-radius: 6px;
    transition: background 0.15s;
}
.palace-title-project:hover {
    background: #eee;
}
.palace-title-rename-input {
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    color: #000;
    background: #fff;
    border: 1px solid #aaa;
    border-radius: 6px;
    padding: 1px 6px;
    width: 12em;
    outline: none;
}
.palace-title-rename-input:focus {
    border-color: #555;
}
.palace-close {
    margin-left: auto;
    background: transparent;
    border: none;
    color: #888;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    padding: 0 6px;
}
.palace-close:hover { color: #000; }

.palace-play-btn {
    background: #000;
    border: none;
    color: #fff;
    font-size: 12px;
    font-family: inherit;
    padding: 4px 14px;
    border-radius: 10px;
    cursor: pointer;
    transition: opacity 0.15s;
}
.palace-play-btn:hover { opacity: 0.82; }
.palace-auto-btn {
    position: relative;
    border: 1px solid #d7d7d7;
    background: #fff;
    color: #444;
    font-size: 12px;
    font-family: inherit;
    padding: 4px 12px 4px 30px;
    border-radius: 10px;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.palace-auto-btn::before {
    content: "";
    position: absolute;
    left: 9px;
    top: 50%;
    width: 14px;
    height: 8px;
    border-radius: 999px;
    background: #ccc;
    transform: translateY(-50%);
    transition: background 0.15s;
}
.palace-auto-btn::after {
    content: "";
    position: absolute;
    left: 10px;
    top: 50%;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #fff;
    transform: translateY(-50%);
    transition: left 0.15s;
}
.palace-auto-btn.active {
    border-color: #111;
    background: #f4f4f4;
    color: #000;
}
.palace-auto-btn.active::before { background: #111; }
.palace-auto-btn.active::after { left: 16px; }
.palace-auto-btn[hidden] { display: none; }

.palace-edit-view {
    flex: 1 1 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(360px, 1fr);
    min-height: 0;
    position: relative;
}

.palace-lecture-overlay {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: clamp(360px, 42%, 720px);
    background: #fff;
    box-shadow: -6px 0 18px rgba(0,0,0,0.08);
    z-index: 20;
    display: flex;
    flex-direction: column;
}
.palace-lecture-overlay[hidden] { display: none; }
.palace-lecture-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    border-bottom: 1px solid #eee;
}
.palace-lecture-title {
    font-size: 14px;
    font-weight: 600;
    color: #222;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1 1 auto;
}
.palace-lecture-close {
    flex: 0 0 auto;
    width: 28px;
    height: 28px;
    border: 1px solid #ddd;
    background: #fff;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    color: #666;
}
.palace-lecture-close:hover { background: #f3f3f3; }
.palace-lecture-body {
    flex: 1 1 auto;
    overflow: auto;
    padding: 14px 18px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 0;
}
.palace-lecture-section {
    display: flex;
    flex-direction: column;
    flex: 1 1 0;
    min-height: 120px;
}
.palace-lecture-section-label {
    font-size: 11px;
    color: #888;
    margin-bottom: 4px;
    letter-spacing: 0.3px;
}
.palace-lecture-textarea {
    width: 100%;
    box-sizing: border-box;
    flex: 1 1 auto;
    min-height: 100px;
    resize: vertical;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 13px;
    line-height: 1.6;
    font-family: inherit;
    color: #222;
    background: #fafafa;
}
.palace-lecture-textarea:focus {
    outline: none;
    border-color: #888;
    background: #fff;
}
.palace-lecture-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    border-top: 1px solid #eee;
    background: #fafafa;
}
.palace-lecture-status {
    font-size: 12px;
    color: #888;
}
.palace-lecture-status.ok { color: #2c7; }
.palace-lecture-status.err { color: #c33; }
.palace-lecture-save {
    padding: 7px 18px;
    border: 1px solid #222;
    background: #222;
    color: #fff;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
}
.palace-lecture-save:hover { background: #000; }
.palace-lecture-save:disabled {
    background: #aaa;
    border-color: #aaa;
    cursor: not-allowed;
}
.palace-edit-view[hidden] { display: none; }

.palace-tree-wrap {
    position: relative;
    overflow: hidden;
    border-right: 1px solid #eee;
    background: #fafafa;
    /* 网格点：让 drawflow 画布有空间感 */
    background-image:
        radial-gradient(rgba(0,0,0,0.08) 1px, transparent 1px);
    background-size: 22px 22px;
}
/* 创作者模式右键 context menu */
.palace-ctx-menu {
    position: fixed;
    z-index: 1300;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
    padding: 4px 0;
    min-width: 200px;
}
.palace-ctx-menu[hidden] { display: none; }
.palace-ctx-item {
    display: block;
    width: 100%;
    text-align: left;
    background: transparent;
    border: none;
    padding: 8px 14px;
    font-size: 13px;
    color: #222;
    cursor: pointer;
    font-family: inherit;
}
.palace-ctx-item:hover { background: #f5f5f5; }

/* workspace 文件浏览器对话框 */
.palace-ws-browser {
    position: fixed;
    inset: 0;
    z-index: 1400;
    display: flex;
    align-items: center;
    justify-content: center;
}
.palace-ws-browser[hidden] { display: none; }
.palace-ws-browser-mask {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
}
.palace-ws-browser-panel {
    position: relative;
    width: min(560px, 92vw);
    max-height: 80vh;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.palace-ws-browser-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid #eee;
}
.palace-ws-browser-title {
    flex: 1;
    font-size: 14px;
    font-weight: 600;
    color: #000;
}
.palace-ws-browser-close {
    background: transparent;
    border: none;
    font-size: 20px;
    color: #888;
    cursor: pointer;
    line-height: 1;
    padding: 0 4px;
}
.palace-ws-browser-close:hover { color: #000; }
.palace-ws-browser-crumbs {
    padding: 8px 16px;
    background: #fafafa;
    border-bottom: 1px solid #eee;
    font-size: 12px;
    color: #555;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    align-items: center;
}
.palace-ws-crumb {
    background: none;
    border: none;
    color: #2563eb;
    cursor: pointer;
    padding: 2px 4px;
    font-size: 12px;
    font-family: inherit;
}
.palace-ws-crumb:hover { text-decoration: underline; }
.palace-ws-crumb-sep { color: #999; }
.palace-ws-browser-list {
    flex: 1;
    overflow: auto;
    padding: 6px 0;
    min-height: 240px;
}
.palace-ws-entry {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 16px;
    cursor: pointer;
    font-size: 13px;
    color: #222;
}
.palace-ws-entry:hover { background: #f5f5f5; }
.palace-ws-entry.selected { background: #e6f0ff; }
.palace-ws-entry.disabled {
    color: #aaa;
    cursor: not-allowed;
}
.palace-ws-entry-icon { font-size: 14px; width: 16px; text-align: center; color: #888; }
.palace-ws-entry.dir .palace-ws-entry-icon { color: #d4a017; }
.palace-ws-entry.md .palace-ws-entry-icon { color: #2563eb; }
.palace-ws-entry-name { flex: 1; word-break: break-all; }
.palace-ws-empty {
    padding: 32px 16px;
    text-align: center;
    color: #999;
    font-size: 12px;
}
.palace-ws-browser-footer {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid #eee;
    background: #fafafa;
}
.palace-ws-browser-btn {
    padding: 6px 14px;
    border-radius: 6px;
    border: 1px solid #ccc;
    background: #fff;
    font-size: 12px;
    cursor: pointer;
    font-family: inherit;
    color: #222;
}
.palace-ws-browser-btn:hover:not(:disabled) {
    background: #f0f0f0;
    border-color: #999;
}
.palace-ws-browser-btn:disabled { color: #bbb; cursor: not-allowed; }
.palace-ws-browser-btn.palace-ws-browser-cancel { margin-left: auto; }
/* 缩放 + 平移都用 transform，GPU 合成，位置一致；字体优化 CSS 降低 scale 模糊 */
.palace-overlay.creator-mode #palace-tree {
    transform-origin: 0 0;
    -webkit-font-smoothing: subpixel-antialiased;
    -moz-osx-font-smoothing: auto;
    text-rendering: optimizeLegibility;
    /* 禁用文本选区 —— 否则 pointerdown 拖动会启动选区，把节点内文字全选 */
    user-select: none;
    -webkit-user-select: none;
}
/* freeform 节点：drawflow 负责定位，这里只管视觉 */
.palace-node-freeform {
    width: 320px;
    max-height: 400px;
    overflow: auto;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 12px 14px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    cursor: grab;
}
.palace-node-freeform.selected {
    border-color: #000;
    box-shadow: 0 0 0 1px #000 inset;
}
.palace-node-freeform .palace-freeform-title {
    font-size: 13px;
    font-weight: 600;
    color: #000;
    margin-bottom: 6px;
    word-break: break-all;
}
.palace-node-freeform .palace-freeform-body {
    font-size: 12px;
    color: #333;
    line-height: 1.5;
}
.palace-node-freeform .palace-freeform-body h1,
.palace-node-freeform .palace-freeform-body h2,
.palace-node-freeform .palace-freeform-body h3 {
    font-size: 13px;
    font-weight: 600;
    margin: 8px 0 4px;
}
.palace-node-freeform .palace-freeform-body p {
    margin: 4px 0;
}
.palace-node-freeform .palace-freeform-body pre,
.palace-node-freeform .palace-freeform-body code {
    background: #f6f6f6;
    border-radius: 3px;
    padding: 1px 4px;
    font-size: 11px;
}

/* freeform 卡片里 ![](drafts/X.md) 找不到对应 images/X.png 时, 顶上来的 draft body 占位 */
.palace-freeform-img-fallback {
    border: 1px dashed #ccc;
    border-radius: 4px;
    background: #fafafa;
    padding: 6px 8px;
    margin: 4px 0;
    font-size: 11px;
}
.palace-freeform-img-fallback-alt {
    color: #888;
    font-size: 10px;
    margin-bottom: 2px;
}
.palace-freeform-img-fallback-body {
    color: #444;
}
.palace-freeform-img-fallback-body p {
    margin: 2px 0;
}
/* 侧栏预览里同样保留外观一致 */
.palace-freeform-side .palace-freeform-img-fallback {
    font-size: 13px;
}

/* freeform 节点的预览+编辑侧栏 */
.palace-freeform-side {
    display: flex;
    flex-direction: column;
    gap: 10px;
    height: 100%;
    box-sizing: border-box;
}
.palace-freeform-side .palace-freeform-side-title {
    font-size: 13px;
    font-weight: 600;
    word-break: break-all;
}
.palace-freeform-side .palace-freeform-side-source {
    font-size: 11px;
    color: #888;
    word-break: break-all;
}
.palace-freeform-side .palace-freeform-side-sub {
    font-size: 11px;
    letter-spacing: 0.5px;
    color: #aaa;
    text-transform: uppercase;
    margin-top: 4px;
}
.palace-freeform-side textarea.palace-freeform-edit {
    width: 100%;
    flex: 1;
    min-height: 220px;
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
    font-size: 12px;
    line-height: 1.5;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 8px;
    resize: none;
    box-sizing: border-box;
    background: #fff;
    color: #222;
}
.palace-freeform-side .palace-freeform-preview {
    border: 1px solid #eee;
    border-radius: 4px;
    padding: 10px 12px;
    background: #fafafa;
    font-size: 12px;
    color: #333;
    line-height: 1.5;
    overflow: auto;
    flex: 1;
    min-height: 120px;
}
.palace-freeform-side .palace-freeform-preview h1,
.palace-freeform-side .palace-freeform-preview h2,
.palace-freeform-side .palace-freeform-preview h3 {
    font-size: 13px;
    font-weight: 600;
    margin: 8px 0 4px;
}
.palace-freeform-side .palace-freeform-preview p { margin: 4px 0; }
.palace-freeform-side .palace-freeform-preview pre,
.palace-freeform-side .palace-freeform-preview code {
    background: #f0f0f0;
    border-radius: 3px;
    padding: 1px 4px;
    font-size: 11px;
}
.palace-freeform-side-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}
.palace-freeform-side-actions .palace-freeform-save {
    padding: 6px 14px;
    border-radius: 6px;
    border: 1px solid #000;
    background: #000;
    color: #fff;
    font-size: 12px;
    cursor: pointer;
    font-family: inherit;
}
.palace-freeform-side-actions .palace-freeform-save:disabled {
    background: #888;
    border-color: #888;
    cursor: not-allowed;
}
.palace-freeform-side-actions .palace-freeform-status {
    font-size: 11px;
    color: #888;
}
.palace-freeform-side-actions .palace-freeform-status.error { color: #c00; }
.palace-freeform-side-actions .palace-freeform-status.ok { color: #2a7; }
/* palace-tree 现在被 Drawflow 接管 —— 不再带 .palace-tree class（Drawflow 要 parent-drawflow 是 classList[0]）；
   用 id 选中器代替 */
#palace-tree {
    position: relative;
    width: 100%;
    height: 100%;
    cursor: grab;
}
#palace-tree:active { cursor: grabbing; }

/* ===== Drawflow 节点包装层适配 palace 视觉 =====
   Drawflow 默认会给每个节点加一层 .drawflow-node 容器（带边框 / 阴影）。
   我们用 palace-card 自己画卡片，所以把 .drawflow-node 透明化。 */
.palace-tree-wrap .drawflow-node {
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    min-height: auto;
    width: auto;
}
/* drawflow 自带的 .selected 在 .drawflow-node 上加深背景，覆盖掉 ——
   我们的 .palace-node.selected 已经处理选中态 */
.palace-tree-wrap .drawflow-node.selected {
    background: transparent;
    box-shadow: none;
}
/* input / output 端口圆点：编辑模式下露出小点；只读模式藏起来 */
.palace-tree-wrap .drawflow-node .input,
.palace-tree-wrap .drawflow-node .output {
    background: #ccc;
    border-color: #aaa;
    width: 10px;
    height: 10px;
}
.palace-overlay:not(.creator-mode) .palace-tree-wrap .drawflow-node .input,
.palace-overlay:not(.creator-mode) .palace-tree-wrap .drawflow-node .output {
    visibility: hidden;
}
/* drawflow 连线 */
.palace-tree-wrap .drawflow svg .main-path {
    stroke: #bbb;
    stroke-width: 2px;
    fill: none;
    transition: stroke 0.15s, stroke-width 0.15s;
}
.palace-tree-wrap .drawflow svg .main-path:hover {
    stroke: #555;
    stroke-width: 2.5px;
}
.palace-tree-wrap .drawflow .connection.selected svg .main-path {
    stroke: #000;
    stroke-width: 2.5px;
}
.palace-edge-actions-layer {
    position: absolute;
    inset: 0;
    z-index: 4;
    pointer-events: none;
}
.palace-edge-action {
    position: absolute;
    width: 30px;
    height: 30px;
    padding: 0;
    border-radius: 999px;
    border: 1px solid #ddd;
    background: #fff;
    color: #333;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    pointer-events: auto;
    transition: transform 0.15s, background 0.15s, border-color 0.15s, box-shadow 0.15s, color 0.15s;
}
.palace-edge-action svg {
    width: 17px;
    height: 17px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.palace-edge-action:hover,
.palace-edge-action.selected {
    background: #000;
    border-color: #000;
    color: #fff;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
    transform: translate(-50%, -50%) scale(1.08);
}
.palace-node {
    width: 260px;
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    padding: 6px;
    cursor: pointer;
    transition: border-color 0.15s;
    position: relative;
    display: grid;
    grid-template-columns: 96px 1fr;
    grid-template-rows: auto auto;
    column-gap: 8px;
    row-gap: 5px;
}
.palace-node:hover { border-color: #bbb; }
.palace-node.selected {
    border-color: #000;
    box-shadow: 0 0 0 1px #000 inset;
}
/* freeform 卡片带 overflow:auto (max-height 滚动), 默认会把浮在角上的删除 X 裁掉一半。
   把卡片设回 position:static —— X 的包含块就上移到 .drawflow-node (overflow:visible),
   overflow:auto 只裁剪以自己为包含块的绝对定位后代, 于是 X 不再被裁。
   tree 卡片没有 overflow:auto, 不受影响。 */
.palace-node.palace-node-freeform { position: static; }
.palace-node-del,
.palace-node-add {
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 1px solid #ccc;
    background: #fff;
    color: #555;
    font-size: 13px;
    line-height: 1;
    padding: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
    opacity: 0;
    transition: opacity 0.12s, background 0.15s, border-color 0.15s, color 0.15s;
    z-index: 2;
}
.palace-node:hover .palace-node-del,
.palace-node:hover .palace-node-add,
.palace-node.selected .palace-node-del,
.palace-node.selected .palace-node-add,
.palace-node-del:focus,
.palace-node-add:focus { opacity: 1; }
.palace-node-del {
    top: -8px;
    left: -8px;
}
.palace-node-del:hover {
    background: #d33;
    color: #fff;
    border-color: #d33;
}
.palace-node-add-top {
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
}
.palace-node-add-bot {
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
}
.palace-node-add:hover {
    background: #000;
    color: #fff;
    border-color: #000;
}
.palace-node-thumb {
    grid-column: 1;
    grid-row: 1;
    width: 96px;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    border-radius: 4px;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
}
.palace-node-thumb img { width: 100%; height: 100%; object-fit: cover; }
.palace-node-thumb-empty {
    color: #ccc;
    font-size: 22px;
}
.palace-node-text-thumb {
    grid-column: 2;
    grid-row: 1;
    font-size: 11px;
    line-height: 1.35;
    color: #444;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
    background: #fafafa;
    border-radius: 4px;
    padding: 4px 6px;
    box-sizing: border-box;
    height: 60px;
}
.palace-node-text-thumb:hover { background: #f0f0f0; }
.palace-node-text-thumb-empty { color: #bbb; font-style: italic; }
.palace-node-title {
    grid-column: 1 / span 2;
    grid-row: 2;
    font-size: 11px;
    color: #555;
    line-height: 1.3;
    text-align: center;
    word-break: break-word;
    max-height: 2.6em;
    overflow: hidden;
}

.palace-side {
    overflow: auto;
    padding: 18px;
    background: #fff;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.palace-side-empty {
    color: #888;
    font-size: 13px;
    padding: 24px 0;
    text-align: center;
}
.palace-side-empty-small {
    color: #888;
    font-size: 12px;
    padding: 8px 0;
}
.palace-side-hint {
    color: #aaa;
    font-size: 12px;
    text-align: center;
}
.palace-side-section {
    display: flex; flex-direction: column; gap: 6px;
}
.palace-node-side-header {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.palace-node-side-tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}
.palace-node-side-tab {
    border: 1px solid #e6e6e6;
    border-radius: 12px;
    background: #fafafa;
    color: #555;
    padding: 10px 12px;
    font-size: 13px;
    font-family: inherit;
    text-align: left;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s, box-shadow 0.15s;
}
.palace-node-side-tab:hover {
    border-color: #cfcfcf;
    color: #111;
}
.palace-node-side-tab.active {
    background: #fff;
    border-color: #111;
    color: #000;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.07);
}
.palace-side-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 12px;
    border: 1px solid #eee;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.04);
}
.palace-side-card-source {
    background: #fcfcfb;
    min-height: 560px;
}
.palace-side-card-source .palace-side-section {
    flex: 1;
}
.palace-side-card-source .palace-node-source {
    flex: 1;
    min-height: 440px;
}
.palace-node-side-panel[data-panel="image"],
.palace-node-side-panel[data-panel="edit"] {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.palace-node-side-panel[hidden] {
    display: none;
}
.palace-node-tool-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 12px;
    border: 1px solid #eee;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.04);
}
.palace-node-tool-title {
    font-size: 12px;
    font-weight: 650;
    color: #111;
}
.palace-side-kicker {
    font-size: 10px;
    letter-spacing: 0.12em;
    color: #999;
    text-transform: uppercase;
}
.palace-side-title {
    font-size: 14px;
    font-weight: 600;
    color: #000;
}
.palace-side-sub {
    font-size: 12px;
    color: #666;
}
.palace-side-sublabel {
    font-size: 11px;
    letter-spacing: 0.5px;
    color: #aaa;
    text-transform: uppercase;
}
.palace-side-imgwrap {
    width: 100%;
    background: #fafafa;
    border: 1px solid #eee;
    border-radius: 6px;
    padding: 6px;
    text-align: center;
}
.palace-side-imgwrap img {
    max-width: 100%;
    max-height: 480px;
    border-radius: 4px;
    cursor: zoom-in;
}
.palace-node-edit-preview {
    min-height: 96px;
    background: #fafafa;
    border: 1px solid #eee;
    border-radius: 6px;
    padding: 6px;
    text-align: center;
}
.palace-node-edit-preview img {
    max-width: 100%;
    max-height: 320px;
    border-radius: 4px;
    cursor: zoom-in;
}
.palace-image-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10050;
    background: rgba(0, 0, 0, 0.82);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
}
.palace-image-lightbox[hidden] {
    display: none;
}
.palace-image-lightbox-img {
    max-width: min(96vw, 1400px);
    max-height: 92vh;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.45);
}
.palace-image-lightbox-close {
    position: absolute;
    top: 18px;
    right: 20px;
    width: 36px;
    height: 36px;
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.35);
    color: #fff;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    font-family: inherit;
}
.palace-edge-canvas-wrap {
    position: relative;
    background: #fafafa;
    border: 1px solid #eee;
    border-radius: 6px;
    padding: 6px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
}
.palace-edge-canvas {
    display: block;
    width: 100%;
    height: auto;
    max-height: 360px;
    background: #fff;
    border-radius: 4px;
    cursor: default;
}
.palace-edge-canvas.drag-enabled { cursor: crosshair; }
.palace-node-ref-canvas { cursor: crosshair; }
.palace-node-gen-mode {
    display: flex;
    gap: 14px;
    font-size: 12px;
    color: #555;
}
.palace-node-gen-mode label {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
}
.palace-node-gen-model {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    font-size: 12px;
    color: #555;
}
.palace-node-model-select,
.palace-edge-model-select,
.palace-node-edit-model-select {
    flex: 1;
    width: 100%;
    min-width: 120px;
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 6px;
    padding: 5px 8px;
    font-size: 12px;
    font-family: inherit;
    color: #333;
    box-sizing: border-box;
}
.palace-node-ref {
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.palace-node-ref[hidden] { display: none; }
.palace-node-ref-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}
.palace-node-ref-select {
    flex: 1;
    min-width: 120px;
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 6px;
    padding: 5px 8px;
    font-size: 12px;
    font-family: inherit;
    color: #333;
}
.palace-node-ref-upload-btn {
    margin-top: 0;
    align-self: auto;
}
.palace-node-use-full {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: #555;
    cursor: pointer;
}
.palace-edge-clear {
    align-self: flex-start;
    margin-top: 6px;
    background: #fff;
    border: 1px solid #ccc;
    color: #555;
    padding: 3px 10px;
    font-size: 12px;
    border-radius: 10px;
    cursor: pointer;
    font-family: inherit;
}
.palace-edge-clear:hover {
    border-color: #999;
    color: #000;
}
.palace-edge-prompt,
.palace-node-prompt,
.palace-node-source,
.palace-node-body,
.palace-node-edit-prompt {
    width: 100%;
    background: #fafafa;
    color: #000;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 8px 10px;
    font-size: 12px;
    font-family: inherit;
    resize: vertical;
    min-height: 70px;
    box-sizing: border-box;
}
.palace-edge-prompt:focus,
.palace-node-prompt:focus,
.palace-node-source:focus,
.palace-node-body:focus,
.palace-node-edit-prompt:focus {
    border-color: #888;
    outline: none;
    background: #fff;
}
.palace-node-body { min-height: 120px; }
.palace-edge-video {
    width: 100%;
    max-height: 320px;
    border-radius: 6px;
    background: #000;
}
.palace-side-actions {
    display: flex;
    gap: 8px;
    margin-top: 4px;
}
.palace-btn {
    flex: 1;
    background: #fff;
    color: #333;
    border: 1px solid #ccc;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.palace-btn:hover {
    background: #f5f5f5;
    border-color: #999;
    color: #000;
}
.palace-btn:disabled { opacity: 0.6; cursor: wait; }
.palace-btn-primary {
    background: #000;
    color: #fff;
    border-color: #000;
    font-weight: 500;
}
.palace-btn-primary:hover {
    background: #222;
    border-color: #222;
    color: #fff;
}
.palace-empty {
    color: #aaa;
    text-align: center;
    padding: 60px 20px;
    font-size: 13px;
}

/* Play view: 沉浸黑底，便于聚焦图片与转场 */
.palace-play-view {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    background: #000;
    min-height: 0;
}
.palace-play-view[hidden] { display: none; }
.palace-stage {
    flex: 1 1 auto;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    touch-action: manipulation; /* 消除 iOS Safari 300ms 点击延迟，让双击 tap 更跟手 */
}
.palace-stage-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
}
.palace-stage-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000;
    display: none;
}
.palace-hotspots {
    position: absolute;
    inset: 0;
    pointer-events: none;
}
.palace-hotspot {
    position: absolute;
    border: 0;
    background: transparent;
    border-radius: 4px;
    cursor: pointer;
    pointer-events: auto;
    transition: background 0.15s;
}
.palace-hotspot:hover {
    background: rgba(255, 255, 255, 0.10);
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.08);
}
.palace-play-overlay {
    position: absolute;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    pointer-events: none;
    z-index: 5;
}
.palace-play-overlay-top {
    top: 0;
    justify-content: flex-end;
    background: linear-gradient(to bottom, rgba(0,0,0,0.4), rgba(0,0,0,0));
}
.palace-play-overlay-bottom {
    bottom: 0;
    justify-content: space-between;
    background: linear-gradient(to top, rgba(0,0,0,0.5), rgba(0,0,0,0));
}
.palace-play-overlay > * {
    pointer-events: auto;
}
.palace-demo-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 34px;
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.92);
    color: #000;
    border: none;
    border-radius: 999px;
    font: inherit;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.01em;
    cursor: pointer;
    white-space: nowrap;
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
    transition: background 0.15s, transform 0.1s;
}
.palace-demo-btn:hover {
    background: #fff;
}
.palace-demo-btn:active {
    transform: translateY(1px);
}
.palace-demo-btn[hidden] {
    display: none;
}
.palace-demo-btn svg {
    flex-shrink: 0;
    opacity: 0.85;
}
.palace-demo-btn.palace-auto-btn::before,
.palace-demo-btn.palace-auto-btn::after {
    content: none;
}
.palace-demo-btn.palace-auto-btn {
    position: static;
    padding: 8px 14px;
    border: none;
}
.palace-demo-btn.palace-auto-btn.active {
    background: #fff;
    border-color: transparent;
    color: #000;
}
.palace-demo-btn-ghost {
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
.palace-demo-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.28);
}
.palace-auto-btn.is-on,
.palace-chat-voice.recording {
    background: #fff;
    color: #000;
}
.palace-chat-voice.recording {
    background: #c44;
    border-color: #c44;
    color: #fff;
    animation: palace-demo-pulse 1.1s infinite ease-in-out;
}
.palace-chat-voice.recording svg {
    color: #fff;
}
@keyframes palace-demo-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(196, 68, 68, 0.5); }
    50%      { box-shadow: 0 0 0 8px rgba(196, 68, 68, 0); }
}
.palace-chat.busy ~ .palace-play-overlay .palace-chat-voice,
.palace-chat-voice:disabled {
    opacity: 0.66;
    cursor: wait;
}
.palace-chat-log[hidden],
.palace-chat[hidden] {
    display: none;
}
.palace-chat-log {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
}
.palace-chat-live {
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 64px;
    max-width: 720px;
    margin: 0 auto;
    padding: 10px 16px;
    background: rgba(0, 0, 0, 0.78);
    color: #fff;
    border-radius: 10px;
    font-size: 13px;
    line-height: 1.55;
    letter-spacing: 0.01em;
    pointer-events: none;
    z-index: 6;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: opacity 0.2s;
}
.palace-chat-live[hidden] {
    display: none;
}
.palace-chat-live[data-mode="listening"] {
    background: rgba(196, 68, 68, 0.86);
}
.palace-chat-live[data-mode="thinking"] {
    opacity: 0.7;
}
.palace-chat-live[data-mode="error"] {
    background: rgba(196, 68, 68, 0.86);
}
.palace-chat-input,
.palace-chat-send {
    display: none;
}
.palace-play-empty {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #aaa;
    font-size: 14px;
}
.palace-play-hint {
    color: rgba(255, 255, 255, 0.78);
    font-size: 12px;
    letter-spacing: 0.04em;
    padding: 4px 8px;
}
@media (max-width: 900px) {
    .palace-edit-view {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr 1fr;
    }
    .palace-tree-wrap {
        border-right: none;
        border-bottom: 1px solid #eee;
    }
    .palace-node { width: 92px; }
    .palace-play-overlay {
        padding: 12px;
        gap: 8px;
    }
    .palace-demo-btn span {
        display: none;
    }
    .palace-play-hint {
        display: none;
    }
}