.office-floating-window{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);width:min(940px,calc(100vw - 64px));height:min(680px,calc(100vh - 60px));display:flex;overflow:hidden;border:1px solid var(--skin-ccd7e5,#ccd7e5);border-radius:10px;box-shadow:0 18px 60px #10213940;background:var(--skin-surface-white,white);color:var(--skin-1c2b40,#1c2b40)}
.office-floating-window .vertical-title-rail{display:flex;flex-direction:column;align-items:center;width:48px;flex-shrink:0;background:var(--skin-edf2f8,#edf2f8);border-right:1px solid var(--skin-ccd7e5,#ccd7e5)}
.office-floating-window .vertical-title-rail>button{display:grid;place-items:center;width:36px;height:36px;margin:6px;border-radius:6px;flex-shrink:0}.office-floating-window .vertical-title-rail>button:hover{background:#0083a518}.office-floating-window .vertical-title-rail>.vertical-window-close:hover{background:#c83737;color:white}
.office-floating-window .vertical-window-drag{flex:1;min-height:30px;width:100%;display:flex;justify-content:center;padding-top:18px;cursor:move;user-select:none;touch-action:none}.office-floating-window .vertical-window-drag span{writing-mode:vertical-rl;text-orientation:upright;letter-spacing:6px;font-weight:600;font-size:16px}
.office-floating-window .vertical-window-content{display:flex;flex:1;min-width:0;min-height:0;overflow:hidden}.office-floating-window .vertical-window-content .prism-settings-body>nav{width:var(--settings-nav-width,165px)}
.office-floating-window .vertical-window-options{position:absolute;left:54px;bottom:8px;width:min(280px,calc(100% - 70px));padding:12px;background:var(--skin-surface-white,white);border:1px solid var(--skin-ccd7e5,#ccd7e5);border-radius:8px;box-shadow:0 6px 24px #10213930;z-index:2;font-size:13px}.office-floating-window .vertical-window-options header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.office-floating-window .vertical-window-options label{display:flex;align-items:center;gap:8px;margin:12px 0}.office-floating-window .vertical-window-options select{background:inherit;color:inherit;border:1px solid var(--skin-ccd7e5,#ccd7e5);padding:4px}.office-floating-window .vertical-window-options>button{padding:5px 10px;border:1px solid var(--skin-ccd7e5,#ccd7e5);border-radius:4px}
.office-floating-window.is-compact .prism-settings-heading{padding:7px 12px}.office-floating-window.is-compact .prism-settings-body nav button{padding-top:4px;padding-bottom:4px}.office-floating-window.is-compact .prism-settings-body>main{padding:10px}
@media(max-width:540px){.office-floating-window{width:calc(100vw - 12px);height:calc(100vh - 24px)}.office-floating-window .vertical-title-rail{width:40px}.office-floating-window .vertical-window-content .prism-settings-body>nav{width:120px}.office-floating-window .vertical-window-content .prism-settings-body>main{padding:8px}}

.office-floating-window{pointer-events:auto}

.office-floating-window .control-program-heading,.office-floating-window .prism-settings-heading{cursor:move;user-select:none;touch-action:none}
.office-floating-window .control-program-heading button,.office-floating-window .prism-settings-heading button{cursor:pointer}
.office-floating-window .vertical-resize{position:absolute;z-index:5;touch-action:none;user-select:none}
.office-floating-window .vertical-resize-n,.office-floating-window .vertical-resize-s{left:10px;right:10px;height:8px;cursor:ns-resize}.office-floating-window .vertical-resize-n{top:0}.office-floating-window .vertical-resize-s{bottom:0}
.office-floating-window .vertical-resize-e,.office-floating-window .vertical-resize-w{top:10px;bottom:10px;width:8px;cursor:ew-resize}.office-floating-window .vertical-resize-e{right:0}.office-floating-window .vertical-resize-w{left:0}
.office-floating-window .vertical-resize-ne,.office-floating-window .vertical-resize-nw,.office-floating-window .vertical-resize-se,.office-floating-window .vertical-resize-sw{width:10px;height:10px}.office-floating-window .vertical-resize-ne{right:0;top:0;cursor:nesw-resize}.office-floating-window .vertical-resize-nw{left:0;top:0;cursor:nwse-resize}.office-floating-window .vertical-resize-se{right:0;bottom:0;cursor:nwse-resize}.office-floating-window .vertical-resize-sw{left:0;bottom:0;cursor:nesw-resize}
.office-floating-window .vertical-resize-se::after{content:'';position:absolute;right:2px;bottom:2px;width:6px;height:6px;border-right:2px solid #7890a5;border-bottom:2px solid #7890a5}

/* 同一标题栏支持四边停靠，内容区继续填满余下空间。 */
.office-floating-window.title-side-right{flex-direction:row-reverse;}
.office-floating-window .title-side-right>.vertical-title-rail{border-right:0;border-left:1px solid var(--skin-ccd7e5,#ccd7e5);}
.office-floating-window.title-side-top{flex-direction:column;}
.office-floating-window.title-side-bottom{flex-direction:column-reverse;}
.office-floating-window .title-side-top>.vertical-title-rail,.office-floating-window .title-side-bottom>.vertical-title-rail{flex-direction:row-reverse;width:100%;height:48px;min-height:48px;border-right:0;box-sizing:border-box;}
.office-floating-window .title-side-top>.vertical-title-rail{border-bottom:1px solid var(--skin-ccd7e5,#ccd7e5);}
.office-floating-window .title-side-bottom>.vertical-title-rail{border-top:1px solid var(--skin-ccd7e5,#ccd7e5);}
.office-floating-window .title-side-top .vertical-window-drag,.office-floating-window .title-side-bottom .vertical-window-drag{width:auto;height:100%;min-height:0;align-items:center;justify-content:flex-start;padding:0 12px;}
.office-floating-window .title-side-top .vertical-window-drag span,.office-floating-window .title-side-bottom .vertical-window-drag span{writing-mode:horizontal-tb;letter-spacing:0;}
.office-floating-window .title-side-right>.vertical-window-options{left:auto;right:54px;}
.office-floating-window .title-side-top>.vertical-window-options{left:auto;right:8px;top:54px;bottom:auto;}
.office-floating-window .title-side-bottom>.vertical-window-options{left:auto;right:8px;bottom:54px;}
.office-floating-window .vertical-title-side-switch:focus-visible{outline:2px solid #0083a5;outline-offset:-2px;}

.office-floating-window.is-maximized{left:0;top:0;width:100vw;height:100vh;transform:none;border-radius:0}
.taskbar-side-left .office-floating-window.is-maximized{left:var(--desktop-dock-size);width:calc(100vw - var(--desktop-dock-size))}
.taskbar-side-right .office-floating-window.is-maximized{width:calc(100vw - var(--desktop-dock-size))}
.taskbar-side-top .office-floating-window.is-maximized{top:var(--desktop-dock-size);height:calc(100vh - var(--desktop-dock-size))}
.taskbar-side-bottom .office-floating-window.is-maximized{height:calc(100vh - var(--desktop-dock-size))}

.office-floating-window{width:min(1180px,94vw);height:min(800px,90vh);z-index:760}
.office-floating-window .vertical-window-content{display:flex;flex-direction:column;overflow:hidden;padding:0;min-height:0}
.office-floating-window .office-document-toolbar{display:flex;align-items:center;gap:14px;padding:8px 12px;flex:none;font-size:12px;background:var(--p-surface,#f4f6f9);color:var(--p-text,#24374c)}
.office-floating-window .office-document-editor{flex:1;min-height:0;width:100%;position:relative}.office-floating-window .office-document-editor>div,.office-floating-window .office-document-editor iframe{width:100%;height:100%;border:0}

.office-floating-window .office-document-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:8px 12px;background:var(--p-surface,#f4f6f9);font-size:12px;flex:none}.office-floating-window .office-document-actions button{padding:5px 10px;border:1px solid var(--p-border,#c8d3df);border-radius:4px;background:var(--p-surface,#fff);color:var(--p-text,#24374c)}.office-floating-window .office-document-actions span{opacity:.75}.office-floating-window .office-storage-picker{z-index:780}.office-floating-window .office-save-name{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:10px 12px;font-size:12px}.office-floating-window .office-save-name input{padding:6px;min-width:220px}.office-floating-window .office-storage-browser{flex:1;min-height:0;overflow:hidden}.office-floating-window .office-picker-error{margin:0;padding:8px 12px;color:var(--p-danger,#ba2525)}

/* PPTX file actions sit immediately before the window controls. */
.office-floating-window .vertical-title-rail>.office-document-actions{padding:0 6px;gap:6px;flex-wrap:nowrap;background:transparent;min-width:0;flex-shrink:1}.office-floating-window .vertical-title-rail>.office-document-actions button{white-space:nowrap;cursor:pointer;font:inherit;font-size:12px;padding:4px 8px;min-height:30px}.office-floating-window .vertical-title-rail>.office-document-actions button:disabled{opacity:.5;cursor:default}
.office-floating-window.title-side-left .vertical-title-rail>.office-document-actions,.office-floating-window.title-side-right .vertical-title-rail>.office-document-actions{flex-direction:column;padding:6px 0;width:100%}.office-floating-window.title-side-left .vertical-title-rail>.office-document-actions button,.office-floating-window.title-side-right .vertical-title-rail>.office-document-actions button{writing-mode:vertical-rl;white-space:normal;padding:8px 4px}
@media(max-width:540px){.office-floating-window .vertical-title-rail>.office-document-actions{gap:2px;padding:0 2px}.office-floating-window .vertical-title-rail>.office-document-actions button{font-size:11px;padding:4px}.office-floating-window.title-side-top .vertical-window-drag,.office-floating-window.title-side-bottom .vertical-window-drag{min-width:0;overflow:hidden;padding:0 6px}.office-floating-window .vertical-window-drag span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}

.office-floating-window .office-document-empty{margin:24px;padding:20px;border:1px solid var(--p-border,#c8d3df);border-radius:6px;color:var(--p-text,#24374c);background:var(--p-surface,#f4f6f9);font-size:13px}.office-floating-window .office-document-empty p{line-height:1.7}.office-floating-window .office-document-empty button{padding:6px 12px;border:1px solid var(--p-border,#c8d3df);border-radius:4px;background:var(--p-surface,#fff);color:inherit;cursor:pointer}

/* File pickers adapt to their restored window width, including on wide desktops. */
.office-floating-window .office-storage-picker{container-name:office-picker;container-type:inline-size}
.office-floating-window .office-storage-picker .storage-app{flex:1;min-height:0}
.office-floating-window .office-storage-picker .storage-main{min-height:0}
.office-floating-window .office-storage-picker .storage-toolbar{flex-shrink:0;max-height:160px;overflow:auto}
@container office-picker (max-width:620px){
 .office-floating-window .office-storage-picker .storage-sidebar{display:none}
 .office-floating-window .office-storage-picker .storage-main>header{padding:12px;flex-wrap:wrap;gap:8px}
 .office-floating-window .office-storage-picker .storage-search{width:100%;max-width:100%;min-width:0}
 .office-floating-window .office-storage-picker .storage-search input{width:100%;min-width:0}
 .office-floating-window .office-storage-picker .storage-toolbar{padding:8px 12px;max-height:132px;gap:6px}
 .office-floating-window .office-storage-picker .storage-breadcrumb{padding:8px 12px}
 .office-floating-window .office-storage-picker .storage-file-area{padding:0 12px}
 .office-floating-window .office-storage-picker .storage-file-head,.office-floating-window .office-storage-picker .storage-file{grid-template-columns:minmax(0,1fr) 48px;gap:6px}
 .office-floating-window .office-storage-picker .storage-file-head>span:nth-child(2),.office-floating-window .office-storage-picker .storage-file-head>span:nth-child(3),.office-floating-window .office-storage-picker .storage-file>span:nth-child(2),.office-floating-window .office-storage-picker .storage-file>span:nth-child(3){display:none}
 .office-floating-window .office-storage-picker .storage-main>footer{padding:8px 12px;flex-wrap:wrap;gap:4px}
 .office-floating-window .office-storage-picker .office-save-name{padding:8px 12px;gap:8px;min-width:0}
 .office-floating-window .office-storage-picker .office-save-name label{display:flex;align-items:center;flex-wrap:wrap;gap:6px;min-width:0;max-width:100%}
 .office-floating-window .office-storage-picker .office-save-name input{min-width:0;max-width:100%;width:min(100%,320px)}
}

/* Native Office fills the desktop work area; the reusable host retains lifecycle integration. */
.office-floating-window.is-desktop-surface{position:absolute;left:var(--max-left,0px)!important;top:var(--max-top,0px)!important;width:var(--max-width,100vw)!important;height:var(--max-height,100vh)!important;transform:none!important;translate:none!important;border:0;border-radius:0;box-shadow:none;min-width:0;min-height:0}
.office-floating-window.is-desktop-surface>.vertical-window-content{padding:0}
.office-floating-window .office-surface-close{position:absolute;right:8px;top:4px;z-index:10;display:grid;place-items:center;width:32px;height:28px;border:1px solid #c8d3df;border-radius:4px;background:#fff;color:#24374c;cursor:pointer}
.office-floating-window .office-surface-close:hover{background:#c83737;color:#fff}.office-floating-window .office-surface-close:focus-visible{outline:2px solid #0083a5;outline-offset:2px}
.office-floating-window .office-surface-status{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}