:root{--teal:#00a6b4;--teal-dark:#0097a6;--ink:#15223b;--muted:#8893a5;--border:#dce2e9;--workspace:#edf2f6;--success:#049c63;--warning:#f5a000}*{box-sizing:border-box}body{margin:0;color:var(--ink);font:14px/1.5 "Microsoft YaHei","Segoe UI",sans-serif;background:var(--workspace)}button,input,textarea,select{font:inherit}button{cursor:pointer}button:focus-visible{outline:2px solid var(--teal);outline-offset:2px}.studio{height:100vh;min-height:620px;min-width:960px;display:flex;flex-direction:column;overflow:hidden}.topbar{height:78px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:0 20px;background:linear-gradient(110deg,#f8fcff,#fff);border-bottom:1px solid var(--border);gap:15px}.brand,.actions{display:flex;align-items:center;gap:10px}.brand strong{font-size:25px;font-weight:700;letter-spacing:1px;white-space:nowrap}.brand-icon{display:grid;place-items:center;width:36px;height:36px;border-radius:8px;background:#079fc5;color:white;font-size:29px;line-height:1}.draft-tag{border-radius:20px;background:#ecf1f7;color:#7c8797;padding:2px 10px;font-size:11px;white-space:nowrap}.divider{height:23px;width:1px;background:var(--border);margin:0 10px}.project-label{font-size:14px;white-space:nowrap}.brand .ant-input{width:145px;padding:4px 0;border:0;background:transparent;font-weight:600;color:var(--ink);box-shadow:none}.project-open{position:relative;overflow:hidden;cursor:pointer;display:grid;place-items:center;width:24px;height:28px}.project-open input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%}.topbar .ant-btn{height:39px;padding:0 18px;font-size:14px}.topbar .ant-btn-primary{min-width:158px}.specbar{height:51px;flex-shrink:0;display:flex;align-items:center;gap:18px;background:white;border-bottom:1px solid #e1e7ec;padding:0 20px}.specbar>strong{font-size:16px}.specbar>.ant-btn{height:33px;margin-left:5px}.spec-summary{display:flex;align-items:center;gap:18px;margin-left:auto;color:var(--muted);font-size:13px}.spec-summary i,.statusbar i{height:18px;width:1px;background:var(--border);display:inline-block}.workspace{flex:1;min-height:0;display:grid;grid-template-columns:24% minmax(0,1fr) 24.5%;gap:0;padding:6px}.grid-mode .workspace{grid-template-columns:25.5% minmax(0,1fr)}.sidebar{min-width:0;display:flex;flex-direction:column;background:#fff;border-radius:7px;overflow:hidden}.section-title{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 8px}.section-title strong{font-size:20px}.count{font-size:15px;font-weight:400;margin-left:7px}.section-title .ant-btn{height:35px;font-size:13px}.sidebar-search{padding:0 16px 12px}.sidebar-search .ant-input{height:35px;border-color:#d7dee8;font-size:13px}.card-list{flex:1;min-height:0;overflow:auto;padding:0 8px}.list-item{position:relative;display:flex;align-items:center;gap:11px;width:100%;min-height:76px;padding:7px 11px;border:0;border-bottom:1px solid #edf0f4;background:white;text-align:left;color:var(--ink)}.list-item.selected{background:#daf1f4;border-radius:5px;border-bottom-color:transparent}.list-item.selected:before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--teal)}.list-item:hover{background:#eef8fa}.row-number{width:19px;flex-shrink:0;font-size:14px}.list-item img{width:82px;height:57px;object-fit:contain;border:3px double #dce2e9;border-radius:3px;background:#fff;flex-shrink:0;padding:2px}.list-copy{min-width:0}.list-copy strong{display:block;font-size:15px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.list-copy small{display:flex;align-items:center;gap:6px;margin-top:5px;font-size:11px}.status-icon{display:inline-flex;align-items:center;justify-content:center;width:14px;height:14px;border-radius:50%;background:currentColor;position:relative;font-size:0;vertical-align:middle;flex-shrink:0}.status-icon:after{content:"✓";color:white;font-size:10px;font-weight:700}.warning .status-icon:after,.status-icon.warning:after{content:"!"}.success{color:var(--success)}.warning{color:var(--warning)}.automatic{color:#8b96a8}.sidebar-footer{display:flex;gap:10px;padding:16px;border-top:1px solid var(--border);margin:0 8px}.sidebar-footer .ant-btn{flex:1;min-width:0;padding:0 5px;height:35px;font-size:13px}.main{display:flex;flex-direction:column;min-width:0;min-height:0;padding:12px 18px 8px;background:var(--workspace)}.view-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-shrink:0}.tabs{display:flex;border:1px solid #c7d0dd;border-radius:5px;background:white;overflow:hidden}.tabs button{height:37px;padding:0 22px;border:0;border-right:1px solid #d8dfe8;background:white;color:var(--ink);font-size:14px;white-space:nowrap}.tabs button:last-child{border:0}.tabs button.active{background:var(--teal);color:white}.face-select{height:35px;border:1px solid #c6cfdd;background:white;border-radius:5px;padding:0 13px;min-width:88px;color:var(--ink);font-size:13px}.canvas-area{flex:1;min-height:0;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:42px 0 20px 28px;overflow:auto}.paper-stage{position:relative;width:calc(100% - 70px);max-width:620px}.canvas-paper{display:block;width:100%;max-height:49vh;object-fit:contain;filter:drop-shadow(0 6px 10px #192a3b20);border-radius:2px}.dimension-x{position:absolute;left:0;right:0;top:-25px;height:1px;background:#9ba8b9;text-align:center}.dimension-x:before,.dimension-x:after{content:"";position:absolute;top:-5px;border-top:5px solid transparent;border-bottom:5px solid transparent}.dimension-x:before{left:0;border-right:6px solid #9ba8b9}.dimension-x:after{right:0;border-left:6px solid #9ba8b9}.dimension-x span{position:relative;top:-26px;font-size:13px;color:#56637a}.dimension-y{position:absolute;top:0;bottom:0;left:-25px;width:1px;background:#9ba8b9}.dimension-y:before,.dimension-y:after{content:"";position:absolute;left:-5px;border-left:5px solid transparent;border-right:5px solid transparent}.dimension-y:before{top:0;border-bottom:6px solid #9ba8b9}.dimension-y:after{bottom:0;border-top:6px solid #9ba8b9}.dimension-y span{position:absolute;right:9px;top:50%;transform:translateY(-50%);font-size:12px;white-space:nowrap;color:#56637a}.card-caption{font-size:14px;color:#8591a4;margin-top:22px;letter-spacing:1px}.canvas-footer{height:48px;display:flex;align-items:center;justify-content:center;gap:18px;flex-shrink:0;margin-top:6px}.canvas-footer .ant-btn{height:34px;font-size:13px}.canvas-footer>span{font-size:14px}.fit-label{border-left:1px solid #d5dee6;padding-left:18px;color:#66768c;font-size:12px!important}.properties{min-height:0;overflow:auto;border-radius:7px;background:white;padding:16px 17px 10px}.properties-title{display:flex;align-items:center;justify-content:space-between;gap:6px}.properties-title h2{font-size:20px;margin:0;font-weight:600}.properties-title>span{font-size:12px;display:flex;gap:6px;align-items:center}.scope-note{color:#8d98a9;margin:2px 0 12px;font-size:12px}.property-section{border-top:1px solid #e8edf2;padding:12px 0}.property-section h3{font-size:15px;font-weight:600;margin:0 0 9px;color:var(--ink)}.property-row{display:grid;grid-template-columns:32% minmax(0,1fr);align-items:center;gap:7px;margin:7px 0;font-size:13px}.property-row>span{white-space:nowrap}.property-row textarea{resize:vertical;min-height:33px;max-height:100px;height:33px;width:100%;padding:5px 9px;border:1px solid #d5dce6;border-radius:5px;line-height:21px;color:var(--ink);font-size:14px}.property-row .ant-input{height:33px;font-size:14px}.property-section-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:7px}.property-section-heading h3{margin:0;white-space:nowrap}.language-tabs{display:flex;flex:1;max-width:180px;background:#f4f6f9;border:1px solid #d9e0e8;border-radius:5px}.language-tabs button{flex:1;border:1px solid transparent;background:transparent;border-radius:4px;color:#5b6a83;font-size:13px;height:32px}.language-tabs button.active{border-color:var(--teal);color:var(--teal);background:#dcf3f5}.font-display{height:33px;border:1px solid #d5dce6;border-radius:5px;padding:5px 9px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:14px;background:#fafbfd}.ant-input-number{width:100%!important;border-color:#d5dce6;border-radius:5px;font-size:14px}.ant-input-number-handler-wrap{opacity:1;background:#f5f7fa}.ant-input-number-input{height:31px}.property-bottom{margin-top:0}.sync-note{display:block;color:var(--teal);font-size:13px;margin-bottom:9px}.property-bottom .ant-btn{height:33px;font-size:13px}.property-bottom .ant-btn-text{font-size:11px;height:26px;margin-top:3px}.filters{display:flex;gap:6px;padding:11px 0 15px;flex-shrink:0}.filters button{height:29px;border:1px solid #dce3ec;background:white;border-radius:4px;font-size:11px;padding:0 14px;color:var(--ink);display:flex;align-items:center;gap:5px}.filters button.active{background:#ddf4f7;border-color:var(--teal);color:var(--teal-dark)}.grid-scroll{flex:1;min-height:0;overflow:auto;padding:0 3px 0 0}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.preview-tile{position:relative;min-width:0;aspect-ratio:1.58;background:white;border:1px solid transparent;border-radius:2px;box-shadow:0 3px 8px #1b2b3d12;cursor:pointer;overflow:hidden}.preview-tile:hover{outline:1px solid #a4dce1}.preview-tile.needs-check{border-color:var(--warning)}.preview-tile>img{display:block;width:100%;height:100%;object-fit:contain}.tile-status{position:absolute;right:10px;bottom:9px;font-size:11px;display:flex;gap:5px;align-items:center;background:#ffffffeb;padding:2px 3px}.grid-caption{text-align:center;color:#8a95a7;font-size:11px;margin:16px 0 10px}.main-footer{display:flex;align-items:center;justify-content:space-between;background:white;border-radius:5px;padding:10px 12px;gap:10px;flex-shrink:0;margin-top:6px;font-size:12px}.main-footer .ant-btn{height:34px;font-size:12px}.main-footer .ant-btn-primary{min-width:110px}.statusbar{height:43px;flex-shrink:0;background:white;display:flex;align-items:center;gap:18px;padding:0 20px;font-size:13px;color:#8591a4}.statusbar>span:first-child{display:flex;align-items:center;gap:7px}.save-state{margin-left:auto;font-size:11px}.ant-btn{border-radius:5px;box-shadow:none;border-color:#cbd4e1;color:var(--ink)}.ant-btn-primary{background:var(--teal);border-color:var(--teal);color:white}.ant-btn-primary:hover,.ant-btn-primary:focus{background:var(--teal-dark);border-color:var(--teal-dark);color:white}.ant-input{border-color:#d5dce6;border-radius:5px;color:var(--ink)}.ant-input:hover,.ant-input:focus,.ant-input-number:hover{border-color:var(--teal)}.ant-checkbox-checked .ant-checkbox-inner{background:var(--teal);border-color:var(--teal)}.ant-modal-content{border-radius:9px;overflow:hidden}.ant-modal-header{padding:18px 24px}.ant-modal-title{font-size:18px;font-weight:600;color:var(--ink)}.ant-modal-body{padding:20px 24px}.ant-modal-footer{padding:13px 24px}.ant-modal-body select{width:100%;height:33px;border:1px solid #d5dce6;border-radius:5px;background:white;padding:0 9px;color:var(--ink)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:18px 0}.form-grid label{display:flex;flex-direction:column;gap:7px;font-size:12px}.info-box{padding:12px;background:#f3f8fb;border:1px solid #e0e8ef;border-radius:5px;color:#73869a;font-size:12px;line-height:1.8;margin-top:15px}.muted,small{color:var(--muted);font-size:12px}.notice{display:flex;justify-content:space-between;background:#e7f6f7;color:#297e85;padding:7px 20px;font-size:12px;flex-shrink:0}.notice button{border:0;background:none;color:#297e85}.pagination{display:flex;justify-content:center;align-items:center;gap:12px;margin:10px}.empty{margin:auto;text-align:center;padding:45px 15px;color:#8694a5;line-height:2.5}.ant-steps-item-process>.ant-steps-item-container>.ant-steps-item-icon{background:var(--teal);border-color:var(--teal)}.import-columns{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}.import-panel{padding:14px;border:1px solid #e5ebf1;border-radius:5px;min-width:0}.import-panel h4{font-size:12px;font-weight:600;margin:0 0 8px;color:var(--ink)}.import-panel .subheading{margin-top:20px}.upload-box{display:flex;position:relative;align-items:center;border:1px solid #d6dfe8;border-radius:4px;padding:9px;color:var(--ink);font-size:12px;min-height:38px;overflow:hidden;background:#fff}.upload-box input{position:absolute;inset:0;width:100%;opacity:0;cursor:pointer}.upload-box span{margin-left:auto;color:var(--teal);white-space:nowrap}.mapping-row{display:grid;grid-template-columns:38% minmax(0,1fr);align-items:center;gap:8px;font-size:12px;margin:10px 0}.import-table{overflow:auto;border:1px solid #e0e7ee;border-radius:4px;min-height:145px}table{width:100%;border-collapse:collapse;font-size:12px}th,td{text-align:left;padding:9px 12px;border-bottom:1px solid #e4eaf0;border-right:1px solid #e4eaf0;white-space:nowrap}th{background:#f1f5f9;font-weight:500}.import-summary{font-size:12px;color:var(--success);margin:12px 0}.import-mode{font-size:12px;display:flex;gap:12px;align-items:center}.import-mode label{display:flex;align-items:center;gap:5px;cursor:pointer}.import-mode input{accent-color:var(--teal)}.import-spec{border-top:1px solid #e5ebf1;margin-top:15px;padding-top:12px;font-size:12px;color:#718399}.print-layout{display:flex;gap:24px}.print-paper{width:60%;padding:18px;background:#edf2f6;display:flex;justify-content:center;align-items:center}.print-paper img{width:100%;max-height:470px;object-fit:contain;filter:drop-shadow(0 3px 5px #0002)}.print-settings{flex:1}.print-settings label{display:block;margin:12px 0 6px;font-size:12px}.print-settings .ant-btn{margin-top:15px}.print-settings>p{font-size:12px;color:#7c8c9c;margin-top:12px}
@media(min-width:1450px){.topbar{height:90px;padding:0 26px}.specbar{height:57px;padding:0 26px}.main{padding:15px 22px 10px}.section-title{padding:17px 20px 10px}.list-item{min-height:86px;gap:14px}.list-item img{width:96px;height:65px}.list-copy strong{font-size:17px}.list-copy small{font-size:13px}.properties{padding:19px 21px}.property-section{padding:16px 0}.property-row{margin:9px 0;font-size:15px}.property-row .ant-input,.property-row textarea,.font-display{height:37px}.ant-input-number-input{height:35px}.tabs button{height:41px;padding:0 25px;font-size:16px}.card-grid{gap:17px}}
@media(max-width:1100px){.draft-tag{display:none}.brand strong{font-size:21px}.brand .ant-input{width:120px}.topbar{padding:0 16px}.specbar{gap:12px;padding:0 16px;font-size:12px}.spec-summary{font-size:11px;gap:10px}.sidebar-footer{padding:12px 5px;gap:7px}.list-item{gap:7px;padding:7px}.list-item img{width:64px;height:47px}.list-copy strong{font-size:13px}.row-number{width:14px;font-size:12px}.main{padding:12px 14px 8px}.tabs button{padding:0 14px;font-size:12px}.properties{padding:14px 12px}.property-row{font-size:12px;grid-template-columns:33% minmax(0,1fr)}.properties-title h2{font-size:18px}.properties-title>span{font-size:10px}.fit-label{display:none}.canvas-footer{gap:12px}.canvas-footer .ant-btn{padding:0 9px}.tile-status{font-size:10px;right:6px;bottom:6px}.main-footer .ant-btn{font-size:11px}.main-footer .actions{gap:6px}.statusbar{font-size:12px}}

/* 实际窗口验收后的细节：完整尺寸标注、紧凑侧栏和窄窗口重排。 */
.paper-stage{width:min(calc(100% - 70px),calc((100vh - 340px) * var(--card-ratio,1.5)));flex-shrink:0}
.canvas-paper{max-height:none}
.dimension-y span{right:8px;writing-mode:vertical-rl;transform:translateY(-50%) rotate(180deg);font-size:12px}
.ant-modal-footer{display:flex;flex-direction:row-reverse;gap:8px}
.ant-modal-footer .ant-btn+.ant-btn{margin-left:0}
.card-list,.properties,.grid-scroll{scrollbar-width:thin;scrollbar-color:#c5d0dc transparent}
.property-row textarea{resize:none}
.property-row:focus-within>span{color:var(--teal-dark)}
.preview-tile:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
@media(min-width:960px) and (max-height:850px){
 .list-item{min-height:65px;height:65px}
 .list-item img{height:49px;width:73px}
 .properties{padding-top:12px}
 .properties-title h2{font-size:18px}
 .scope-note{margin-bottom:8px}
 .property-section{padding:8px 0}
 .property-section h3{margin-bottom:6px}
 .property-row{margin:5px 0}
 .property-section-heading{margin-bottom:4px}
 .property-bottom .ant-btn-text{margin-top:0}
 .sync-note{margin-bottom:6px}
 .sidebar-footer{padding-top:10px;padding-bottom:10px}
}
@media(max-width:959px){
 .studio{min-width:0;min-height:100vh;height:auto;overflow:visible}
 .topbar{height:auto;min-height:78px;padding:14px;flex-wrap:wrap}
 .brand{gap:7px;flex:1}
 .brand .divider{margin:0 3px}
 .topbar .actions{margin-left:auto}
 .specbar{height:auto;min-height:51px;flex-wrap:wrap;padding:10px 14px;gap:10px}
 .spec-summary{display:none}
 .workspace,.grid-mode .workspace{display:grid;grid-template-columns:180px minmax(0,1fr);align-items:stretch;flex:none}
 .sidebar{max-height:570px}
 .sidebar .section-title{padding:10px}
 .section-title strong{font-size:17px}
 .section-title .ant-btn{padding:0 8px;font-size:11px}
 .sidebar-search{padding:0 10px 10px}
 .list-item{min-height:64px;gap:6px}
 .row-number{width:10px}
 .list-item img{width:44px;height:35px}
 .list-copy strong{font-size:12px}
 .list-copy small{font-size:10px}
 .sidebar-footer{margin:0;padding:10px 6px;gap:4px}
 .sidebar-footer .ant-btn{font-size:11px}
 .main{min-height:570px;padding:10px}
 .tabs button{padding:0 10px}
 .face-select{min-width:70px;padding:0 6px}
 .canvas-area{padding-left:20px;min-height:400px}
 .paper-stage{width:calc(100% - 45px)}
 .properties{grid-column:1 / -1;margin-top:6px;display:grid;grid-template-columns:1fr 1fr;gap:0 20px;padding:16px}
 .properties-title,.scope-note{grid-column:1 / -1}
 .property-bottom{padding-top:12px}
 .card-grid{gap:8px}
 .tile-status{position:static;justify-content:flex-end;padding:3px 6px;font-size:9px}
 .preview-tile{aspect-ratio:auto}
 .preview-tile>img{height:auto;aspect-ratio:1.5}
 .grid-caption{margin:12px 0}
 .main-footer{flex-wrap:wrap}
 .main-footer .actions{margin-left:auto}
 .statusbar{height:auto;min-height:43px;padding:10px 14px;flex-wrap:wrap;gap:10px}
}
@media(max-width:620px){
 .brand strong{font-size:18px}
 .brand .ant-input{width:95px}
 .brand-icon{width:30px;height:30px}
 .project-label{font-size:12px}
 .workspace,.grid-mode .workspace{grid-template-columns:1fr}
 .sidebar{max-height:220px}
 .sidebar-footer{display:none}
 .sidebar-search{display:none}
 .list-item{min-height:46px;height:46px}
 .list-item img{width:48px;height:32px}
 .list-copy{display:flex;flex:1;justify-content:space-between;align-items:center}
 .main{min-height:480px}
 .canvas-area{min-height:320px}
 .properties{display:block}
 .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .import-columns{grid-template-columns:1fr}
 .print-layout{flex-direction:column}
 .print-paper{width:100%}
 .ant-modal{max-width:calc(100vw - 20px);margin:0 auto;top:20px}
}

/* 根据标注合并工具栏，批量卡片占满可用区域，不产生内部滚动。 */
.view-toolbar{flex-wrap:nowrap}
.view-toolbar .filters{padding:0;margin-left:14px;gap:5px}
.view-toolbar .face-select{margin-left:auto;flex-shrink:0;width:98px;appearance:none;padding:0 28px 0 12px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5 6 7.5 9 4.5' fill='none' stroke='%235b6a83' stroke-width='1.3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 10px center}
.reflow-button{height:29px;font-size:11px;padding:0 8px;white-space:nowrap}
.grid-mode .grid-scroll{display:flex;flex-direction:column;overflow:visible;min-height:0;padding:0;flex:1;margin-top:16px}
.grid-mode .card-grid{flex:1;min-height:0;grid-template-rows:repeat(2,minmax(0,1fr));gap:16px}
.grid-mode .preview-tile{aspect-ratio:auto;min-height:0}
.grid-mode .preview-tile>img{height:100%;width:100%;object-fit:contain}
.grid-mode .grid-caption{flex-shrink:0;margin:9px 0 2px}
.grid-mode .pagination{flex-shrink:0;margin:6px 0}
.grid-mode .main{padding-bottom:6px}
@media(min-width:960px) and (max-width:1250px){
 .view-toolbar .filters{margin-left:0}
 .view-toolbar{gap:6px}
 .view-toolbar .filters button{padding:0 7px;font-size:10px}
 .grid-mode .tabs button{padding:0 12px;font-size:12px}
 .reflow-button{font-size:10px;padding:0 6px}
 .view-toolbar .face-select{width:80px;min-width:0;font-size:11px}
}
@media(max-width:959px){
 .view-toolbar{flex-wrap:wrap}
 .view-toolbar .filters{margin-left:0}
 .grid-mode .main{height:620px;min-height:620px}
 .grid-mode .tile-status{position:absolute;right:5px;bottom:5px}
 .grid-mode .card-grid{gap:8px}
 .grid-mode .preview-tile>img{aspect-ratio:auto}
}
@media(max-width:620px){
 .grid-mode .main{height:780px;min-height:780px}
 .grid-mode .card-grid{grid-template-rows:repeat(3,minmax(0,1fr))}
}
.studio-icon{display:inline-block;vertical-align:-3px;flex-shrink:0;width:17px;height:17px}
.ant-btn>.studio-icon,.ant-btn>span>.studio-icon{margin-right:7px}
.tabs button{display:inline-flex;align-items:center;justify-content:center;gap:8px}
.brand-icon .studio-icon{width:26px;height:26px;stroke-width:1.6}
.topbar .ant-btn,.sidebar-footer .ant-btn,.section-title .ant-btn{display:inline-flex;align-items:center;justify-content:center;gap:0}
.reflow-button .studio-icon{width:14px;height:14px;margin-right:4px}

/* 项目选择：独立的可搜索项目面板，删除按钮与切换按钮分离。 */
.brand{gap:9px}
.brand strong{font-size:20px;letter-spacing:.5px}
.brand-icon{width:30px;height:30px;border-radius:7px}
.brand-icon .studio-icon{width:23px;height:23px}
.brand .divider{margin:0 12px;height:24px}
.project-picker{display:flex;align-items:center;gap:12px;position:relative}
.project-label{font-size:16px;font-weight:500}
.project-trigger{display:flex;align-items:center;justify-content:space-between;gap:18px;width:260px;height:40px;padding:0 12px;background:#fff;border:1px solid #cbd5e0;border-radius:6px;color:var(--ink);font-size:16px;text-align:left}
.project-trigger>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}
.project-trigger>.studio-icon{width:17px;height:17px;color:#607188}
.project-trigger:hover,.project-trigger[aria-expanded="true"]{border-color:var(--teal)}
.project-dismiss{position:fixed;inset:0;border:0;background:transparent;z-index:1000;cursor:default}
.project-menu{position:absolute;top:calc(100% + 9px);left:44px;width:330px;max-width:calc(100vw - 30px);background:white;border:1px solid #dfe6ed;border-radius:9px;box-shadow:0 10px 32px #182c4826;z-index:1001;padding:12px}
.project-search{display:flex;align-items:center;gap:9px;padding:0 10px;height:37px;border:1px solid #d5dfe8;border-radius:5px;color:#8290a3}
.project-search:focus-within{border-color:var(--teal)}
.project-search input{border:0;outline:0;min-width:0;width:100%;height:32px;background:transparent;color:var(--ink);font-size:13px}
.project-menu-heading{display:flex;justify-content:space-between;align-items:center;padding:12px 3px 7px;color:#8a96a7;font-size:11px}
.project-menu-heading small{font-size:11px}
.project-options{max-height:270px;overflow:auto;scrollbar-width:thin}
.project-option{display:flex;align-items:center;gap:7px;padding:2px 5px;border-radius:5px}
.project-option:hover{background:#f3f7fa}
.project-option.current{background:#e9f7f8}
.project-choice{display:flex;flex:1;min-width:0;flex-direction:column;align-items:flex-start;padding:8px 7px;background:transparent;border:0;text-align:left;color:var(--ink);gap:3px}
.project-option-name{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}
.project-option.current .project-option-name{color:var(--teal-dark);font-weight:600}
.project-choice small{font-size:11px;color:#94a0b0}
.project-delete{display:grid;place-items:center;width:32px;height:32px;flex-shrink:0;background:transparent;border:0;border-radius:5px;color:#8c99aa}
.project-delete:hover{color:#d74b4b;background:#fff0ef}
.project-empty{margin:22px 0;text-align:center;color:#8a98a9;font-size:12px}
.project-menu-footer{display:flex;gap:8px;border-top:1px solid #e8edf2;padding-top:10px;margin-top:9px}
.project-menu-footer>button,.project-file{flex:1;display:flex;align-items:center;justify-content:center;gap:7px;height:34px;border:1px solid #d6e0e8;background:white;border-radius:5px;font-size:12px;color:var(--ink);cursor:pointer;white-space:nowrap}
.project-menu-footer>button{color:var(--teal-dark);background:#effafa;border-color:#c8e7e9}
.project-file{position:relative;overflow:hidden}
.project-file input{position:absolute;inset:0;opacity:0;width:100%;cursor:pointer}
.project-rename{display:block;margin:10px auto 0;padding:0;border:0;background:transparent;font-size:11px;color:#8090a4}
.project-rename:hover{color:var(--teal-dark)}
.project-dialog-footer{display:flex;justify-content:flex-end;gap:8px;border-top:1px solid #edf0f4;padding-top:15px;margin-top:18px}
@media(max-width:1100px){.brand strong{font-size:18px}.brand .divider{margin:0 5px}.project-trigger{width:220px}.project-label{font-size:15px}.project-picker{gap:9px}}
@media(max-width:620px){.brand{flex-wrap:wrap}.brand .divider{display:none}.project-picker{margin-left:auto}.project-trigger{width:175px;font-size:14px;height:36px}.project-label{font-size:13px}.project-menu{left:auto;right:0;width:300px}.topbar .actions{width:100%;justify-content:flex-end}.brand strong{font-size:17px}}

/* 预览方式菜单与属性栏操作区。 */
.face-picker{position:relative;margin-left:auto;flex-shrink:0}
.face-trigger{display:flex;align-items:center;justify-content:center;gap:8px;min-width:106px;height:36px;padding:0 11px;border:1px solid #ced8e3;border-radius:6px;background:white;color:#536279;font-size:13px}
.face-trigger>.studio-icon:first-child{color:#8a98a9}
.face-trigger>.studio-icon:last-child{width:13px;height:13px;margin-left:5px}
.face-trigger:hover,.face-trigger[aria-expanded="true"]{border-color:var(--teal);color:var(--teal-dark);box-shadow:0 0 0 2px #00a6b40a}
.face-menu{position:absolute;right:0;top:calc(100% + 8px);width:220px;padding:6px;background:#fff;border:1px solid #dfe6ed;border-radius:9px;box-shadow:0 8px 28px #20324a24;z-index:1001}
.face-menu>button{display:flex;align-items:center;gap:11px;width:100%;padding:12px 10px;border:0;border-radius:6px;background:white;color:#7e8da3;text-align:left}
.face-menu>button:hover{background:#f4f8fb}
.face-menu>button.active{background:#eaf8f9;color:var(--teal-dark)}
.face-menu>button>span{flex:1}
.face-menu strong{display:block;font-size:13px;font-weight:500;color:#33425b}
.face-menu small{display:block;margin-top:3px;font-size:10px;color:#8a98a8}
.face-menu .active strong{color:var(--teal-dark)}
.face-menu .studio-icon{width:18px;height:18px}
.property-bottom{border-top:1px solid #e8edf2;padding-top:13px;margin-top:2px}
.sync-panel{display:flex;align-items:center;gap:10px;background:#f5f9fa;border:1px solid #e8f0f1;padding:10px 11px;border-radius:7px;margin-bottom:12px}
.sync-symbol{width:30px;height:30px;display:grid;place-items:center;background:#e1f3f4;color:var(--teal-dark);border-radius:7px;flex-shrink:0}
.sync-panel strong{display:block;font-size:12px;font-weight:500;color:#52757c}
.sync-panel small{display:block;font-size:10px;color:#93a2ae;margin-top:3px}
.card-actions{display:flex;align-items:stretch;gap:9px}
.property-bottom .reset-card-button{flex:1;height:37px;font-size:12px;border-color:#d2dce6;background:white;color:#506179}
.delete-card-button{display:grid;place-items:center;width:37px;height:37px;flex-shrink:0;border:1px solid #eadde0;background:#fff;color:#c48188;border-radius:5px}
.delete-card-button:hover{background:#fff3f3;border-color:#e5aeb4;color:#cc4856}
.property-warning{margin:0 0 10px;padding:8px 10px;background:#fff8e8;border:1px solid #f6e7c4;border-radius:5px;color:#b78531;font-size:11px}
.spec-field-hint{align-self:end;color:#91a0b0;font-size:11px;line-height:1.8;padding:5px 0}
@media(min-width:960px) and (max-height:850px){.sync-panel{padding:8px 10px;margin-bottom:9px}.property-bottom{padding-top:10px}.sync-symbol{width:27px;height:27px}}
@media(max-width:1250px){.grid-mode .face-trigger{min-width:80px;padding:0 7px;font-size:11px;gap:5px}.grid-mode .face-trigger>.studio-icon:first-child{display:none}}
.project-menu{left:0}@media(max-width:620px){.project-menu{left:auto;right:0}}
/* 顶部工作区工具统一为紧凑的同一高度。 */
.view-toolbar .tabs button{height:30px;font-size:13px;padding:0 17px}
.view-toolbar .tabs{height:32px}
.view-toolbar .filters button,.view-toolbar .reflow-button,.view-toolbar .face-trigger{height:32px}
.view-toolbar .filters button{font-size:11px}
.view-toolbar{align-items:center}
@media(max-width:1250px){.view-toolbar .tabs button{padding:0 12px;font-size:12px}}
@media(max-width:620px){.view-toolbar .tabs button{padding:0 10px}}

/* 原生分段控件、紧凑页头与真实纸张比例。 */
.topbar{height:60px;min-height:60px;padding:0 20px}
.topbar .ant-btn{height:34px;padding:0 13px;font-size:13px}
.topbar .ant-btn-primary{min-width:132px}
.view-segment{flex-shrink:0}
.view-toolbar .ant-segmented{font-size:13px}
.view-toolbar .ant-segmented-item-label{display:flex;align-items:center;gap:6px}
.preview-slot{min-width:0;min-height:0;container-type:size;display:grid;place-items:center}
.grid-mode .preview-slot .preview-tile{width:min(100cqw,calc(100cqh * var(--preview-ratio)));height:auto;aspect-ratio:var(--preview-ratio);border:0;outline:1px solid transparent}
.grid-mode .preview-slot .preview-tile.needs-check{outline-color:var(--warning)}
.grid-mode .preview-slot .preview-tile:hover{outline-color:#a4dce1}
.grid-mode .preview-slot .preview-tile>img{width:100%;height:100%;aspect-ratio:auto;object-fit:contain}
.print-preview-column{width:60%;min-width:0;display:flex;flex-direction:column}
.print-preview-column .print-paper{width:100%;height:470px;padding:18px;min-height:0}
.print-paper img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain}
.print-pagination{display:flex;justify-content:center;align-items:center;gap:18px;padding-top:16px;color:#728298;font-size:12px}
.print-settings .print-field{display:block;margin:0 0 16px;font-size:12px;color:#536279}
.print-field>select,.print-field>.ant-input-number{margin-top:6px}
.print-settings .print-check{margin:0 0 16px}
.print-settings .print-check .ant-checkbox-wrapper{display:inline-flex;align-items:center;margin:0;font-size:13px;line-height:24px}
.print-settings .ant-checkbox{top:0}
.print-settings .print-check .ant-checkbox-wrapper>span:last-child{display:inline;padding-left:8px}
.print-marks{display:flex;flex-wrap:wrap;gap:0 20px;border-top:1px solid #edf0f4;padding-top:16px}
.print-description{line-height:1.8}
/* 只对新出现的内容做短过渡，保留控件自身的滑块动画。 */
@keyframes studio-enter{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
@keyframes paper-enter{from{opacity:.35;transform:translateY(3px)}to{opacity:1;transform:translateY(0)}}
.canvas-area,.grid-scroll,.properties{animation:studio-enter 180ms ease-out}
.print-paper img{animation:paper-enter 160ms ease-out}
.project-menu,.face-menu{transform-origin:top;animation:studio-enter 140ms ease-out}
.list-item,.preview-tile,.project-option,.face-trigger{transition:background-color 140ms ease,border-color 140ms ease,box-shadow 140ms ease,outline-color 140ms ease}
@media(max-width:959px){.topbar{height:auto;padding:10px 14px}.preview-slot{min-height:200px}.grid-mode .card-grid{grid-auto-rows:220px}}
@media(max-width:620px){.print-preview-column{width:100%}.print-preview-column .print-paper{height:360px}.topbar .actions{gap:6px}.topbar .ant-btn{padding:0 9px}.topbar .ant-btn-primary{min-width:0}}
@media(prefers-reduced-motion:reduce){.canvas-area,.grid-scroll,.properties,.print-paper img,.project-menu,.face-menu{animation:none}.studio *, .ant-modal *{transition-duration:0s!important;animation-duration:0s!important}}

/* 预览按可用宽度自然换行，纵向固定间距并在区域内滚动。 */
.grid-mode .grid-scroll{display:block;overflow-y:auto;overflow-x:hidden;min-height:0;padding:2px 8px 8px 2px;scrollbar-gutter:stable}
.grid-mode .card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(230px,100%),1fr));grid-template-rows:none;grid-auto-rows:auto;align-content:start;align-items:start;gap:16px;flex:none;min-height:0}
.grid-mode .preview-slot{display:block;container-type:normal;min-height:0;min-width:0}
.grid-mode .preview-slot .preview-tile{width:100%;height:auto;aspect-ratio:var(--preview-ratio)}
.grid-mode .grid-caption{padding-top:14px}
@media(max-width:959px){.grid-mode .grid-scroll{max-height:calc(100dvh - 190px);min-height:300px}}

/* 视图共用名单栏宽度，避免切换时左右跳动。 */
@media(min-width:960px){.grid-mode .workspace{grid-template-columns:24% minmax(0,1fr)}}
.properties-title{min-height:34px;margin-bottom:12px}
.properties-title .restore-layout{font-size:11px;padding:0 8px;height:29px;display:inline-flex;align-items:center;gap:4px;animation:studio-enter 140ms ease-out}
.properties-title .restore-layout .studio-icon{width:13px;height:13px;margin-right:0}
.card-actions .delete-card-button{width:100%;height:34px;display:flex;align-items:center;justify-content:center;gap:7px;font-size:12px}
.spec-field-hint{align-self:end;display:flex;flex-direction:column;justify-content:center;height:34px;line-height:17px;padding:0;font-size:10px}
.explicit-modal-footer{display:flex;justify-content:flex-end;gap:10px;border-top:1px solid #edf0f4;margin:24px -24px -24px;padding:16px 24px}
.print-field>.ant-select{margin-top:6px}
.dimension-x,.dimension-y{background:#aab7c5}
.dimension-x:before,.dimension-x:after,.dimension-y:before,.dimension-y:after{width:6px;height:6px;background:transparent;border:0;box-sizing:border-box}
.dimension-x:before{left:0;top:-2.5px;border-left:1px solid #93a2b4;border-bottom:1px solid #93a2b4;transform:rotate(45deg)}
.dimension-x:after{right:0;top:-2.5px;border-top:1px solid #93a2b4;border-right:1px solid #93a2b4;transform:rotate(45deg)}
.dimension-y:before{top:0;left:-2.5px;border-top:1px solid #93a2b4;border-left:1px solid #93a2b4;transform:rotate(45deg)}
.dimension-y:after{bottom:0;left:-2.5px;border-bottom:1px solid #93a2b4;border-right:1px solid #93a2b4;transform:rotate(45deg)}

.form-grid .font-field{display:flex;flex-direction:column;gap:7px;font-size:12px}

.roster-table{max-height:50vh;overflow:auto;border:1px solid #e3e9ef;border-radius:5px}
.roster-table th{position:sticky;top:0;z-index:1}
.roster-table td{padding:7px}
.roster-table input,.roster-table textarea{width:100%;min-width:150px;border:1px solid #dce2e9;border-radius:4px;padding:6px 9px;resize:vertical;display:block}
.roster-table input:focus,.roster-table textarea:focus{outline:1px solid var(--teal);border-color:var(--teal)}
.roster-remove{border:0;background:transparent;color:#be7884;display:grid;place-items:center;padding:6px}
.roster-add{margin-top:12px}

/* 编辑内容独立滚动，删除按钮留在面板底部。 */
.properties{display:flex;flex-direction:column;overflow:hidden}
.properties-content{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;scrollbar-width:thin;scrollbar-color:#c5d0dc transparent;padding-right:2px}
.properties .property-bottom{flex-shrink:0;margin-top:auto;padding-top:12px;background:#fff}
.list-copy{display:block;flex:1;min-width:0}
.list-copy .list-english{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#8c98a9;font-weight:400;min-height:16px}
.list-badges{position:absolute;right:7px;top:4px;z-index:1;display:flex;gap:4px;pointer-events:none}
.list-manual-badge,.list-warning-badge{font-size:9px;line-height:15px;border-radius:3px;padding:0 4px;white-space:nowrap}
.list-manual-badge{color:#288389;background:#e0f3f2}
.list-warning-badge{color:#b47d12;background:#fff3d6}
.alignment-hint{align-self:end;min-height:32px;display:flex;align-items:center;color:#91a0b0;font-size:10px}
@media(max-width:959px){.properties-content{overflow:visible}.properties .property-bottom{margin-top:12px}}

/* 统一控件比例与规格编辑布局。 */
.studio { font-size:14px; }
.topbar .project-trigger,.topbar .actions .ant-btn { height:34px; min-height:34px; font-size:14px; line-height:32px; box-sizing:border-box; }
.topbar .project-trigger { padding:0 12px; }
.topbar .actions .ant-btn { padding:0 12px; }
.properties h2 { font-size:16px; }.property-section h3,.section-title strong { font-size:14px; }
.property-row>span,.font-field>span,.print-field,.form-grid>label { font-size:13px; }
.properties .ant-select,.properties .ant-input-number,.properties textarea { font-size:14px; }
.properties textarea { min-height:54px; line-height:1.5; resize:vertical; }
.property-row .ant-select { min-width:0; }
.custom-center>span small { display:block; font-size:11px; color:#8a92a3; }
.preset-picker { display:flex; align-items:flex-end; gap:12px; margin-bottom:16px; }
.preset-picker .font-field { flex:1; min-width:0; }
.spec-custom-center .ant-input-number { width:100%; }
.explicit-modal-footer { flex-wrap:wrap; }

/* 立体台卡的两面共用顶部折线，所有纸面保留实际宽高比。 */
.tent-preview { flex:1; min-height:240px; position:relative; overflow:hidden; background:transparent; animation:studio-enter 180ms ease-out; }
.tent-viewport { position:absolute; inset:0 0 66px; perspective:1200px; cursor:grab; touch-action:none; user-select:none; outline:none; }
.tent-viewport:focus-visible { outline:2px solid #6bb8b5; outline-offset:-5px; }
.tent-dragging .tent-viewport { cursor:grabbing; }
.tent-world { position:absolute; left:50%; top:50%; width:0; height:0; transform-style:preserve-3d; --tent-fold:30deg; --tent-rise:200px; --tent-depth:240px; transform:rotateX(-18deg) rotateY(-25deg); }
.tent-panel { position:absolute; left:calc(var(--tent-width) / -2); top:calc(var(--tent-rise) / -2); width:var(--tent-width); height:var(--tent-height); transform-origin:50% 0; transform-style:preserve-3d; }
.tent-front { transform:rotateX(var(--tent-fold)); }
.tent-back { transform:rotateY(180deg) rotateX(var(--tent-fold)); }
.tent-panel img,.tent-inside { position:absolute; inset:0; width:100%; height:100%; backface-visibility:hidden; border:1px solid #d4d7da; box-sizing:border-box; background:#fff; }
.tent-panel img { display:block; max-width:none; object-fit:fill; pointer-events:none; transform:translateZ(.35px); box-shadow:0 0 1px #b9bec5; }
.tent-back img { filter:brightness(.96); }
.tent-inside { transform:rotateY(180deg) translateZ(.35px); background:linear-gradient(#dfe2e6,#f5f6f7); }
.tent-shadow { position:absolute; left:calc(var(--tent-width) / -2 - 10px); top:calc(var(--tent-rise) / 2); width:calc(var(--tent-width) + 20px); height:var(--tent-depth); transform-origin:50% 0; transform:translateZ(calc(var(--tent-depth) / -2)) rotateX(90deg); background:radial-gradient(ellipse,rgba(35,45,58,.22),rgba(35,45,58,.06) 55%,transparent 72%); pointer-events:none; }
.tent-reset { position:absolute; top:18px; right:18px; display:flex; align-items:center; gap:6px; height:32px; padding:0 10px; border:1px solid #dde3e9; border-radius:6px; background:#ffffffd9; color:#536279; font-size:12px; cursor:pointer; }
.tent-hint { position:absolute; bottom:69px; width:100%; text-align:center; color:#909cab; font-size:12px; pointer-events:none; transition:opacity .25s; }
.tent-interacted .tent-hint { opacity:0; }
.tent-controls { position:absolute; bottom:18px; left:50%; transform:translateX(-50%); display:flex; align-items:center; gap:12px; padding:8px 14px; border:1px solid #e1e6ed; border-radius:8px; background:#ffffffdc; color:#5a687b; font-size:12px; white-space:nowrap; }
.tent-controls label { display:flex; align-items:center; gap:12px; margin:0; }
.tent-controls input { width:clamp(90px,15vw,180px); accent-color:#38968f; cursor:pointer; }
.tent-controls output { width:32px; text-align:right; font-variant-numeric:tabular-nums; }
.tent-resetting .tent-world { transition:transform 220ms ease-out; }
@media(prefers-reduced-motion:reduce) { .tent-preview { animation:none; }.tent-resetting .tent-world,.tent-hint { transition:none; } }

/* 每种语言的字体、字距、行距放在同一行。 */
.form-grid .spec-typography-row { grid-column:1 / -1; display:grid; grid-template-columns:minmax(0,2fr) minmax(0,1fr) minmax(0,1fr); gap:15px; align-items:end; }
.spec-typography-row > * { min-width:0; }
.spec-typography-row .ant-select { width:100%; }
.spec-typography-row .ant-select-selection-item { overflow:hidden; text-overflow:ellipsis; }
.property-section-heading .language-tabs { flex:0 0 auto; max-width:none; height:26px; border-radius:4px; }
.property-section-heading .language-tabs button { flex:0 0 auto; min-width:40px; height:24px; padding:0 8px; font-size:12px; line-height:22px; border-radius:3px; }

/* 浮动反馈不参与画布布局；操作按钮仅占自己的点击区域。 */
.toast-stack { position:fixed; top:72px; left:50%; transform:translateX(-50%); z-index:2200; display:flex; flex-direction:column; align-items:center; gap:8px; max-width:calc(100vw - 32px); pointer-events:none; }
.studio-toast { display:flex; align-items:center; gap:10px; max-width:min(620px,calc(100vw - 32px)); padding:11px 14px; background:#fff; border:1px solid #e5e9ee; border-radius:9px; box-shadow:0 5px 22px #243b5320; font-size:13px; color:#3f4e60; pointer-events:auto; animation:studio-enter 160ms ease-out; }
.toast-text { overflow-wrap:anywhere; line-height:1.5; }.toast-icon { display:grid; place-items:center; border-radius:50%; width:18px; height:18px; flex-shrink:0; color:#fff; background:#52a777; font-size:12px; font-weight:700; }
.studio-toast.warning .toast-icon { background:#d89a30; }.studio-toast.error .toast-icon { background:#d76c68; }
.toast-action,.toast-close { border:0; background:transparent; padding:3px 1px; cursor:pointer; flex-shrink:0; font-size:12px; }.toast-action { color:#278b85; }.toast-action:hover { text-decoration:underline; }.toast-close { color:#8a96a3; font-size:18px; padding:0 2px; }
.spec-field-error { display:block; color:#cc5555; font-size:12px; line-height:1.5; margin-top:4px; }
@media(prefers-reduced-motion:reduce) { .studio-toast { animation:none; } }

@keyframes toast-leave { to { opacity:0; transform:translateY(-4px); } }
.studio-toast.timed { animation:studio-enter 160ms ease-out,toast-leave 180ms ease-in var(--toast-delay) forwards; }
@media(prefers-reduced-motion:reduce) { .studio-toast.timed { animation:none; } }

/* 名单缩略图在固定槽内等比显示，边框跟随纸面，空余区域留白。 */
.list-thumbnail { --thumb-width:82px; --thumb-height:57px; width:var(--thumb-width); height:var(--thumb-height); flex:0 0 var(--thumb-width); display:grid; place-items:center; container-type:size; }
.list-item .list-thumbnail img { width:min(100cqw,calc(100cqh * var(--thumbnail-ratio))); height:auto; max-width:100%; max-height:100%; aspect-ratio:var(--thumbnail-ratio); object-fit:contain; border:1px solid #dce2e9; border-radius:2px; padding:0; background:#fff; }
@media(min-width:1450px) { .list-thumbnail { --thumb-width:96px; --thumb-height:65px; } }
@media(max-width:1100px) { .list-thumbnail { --thumb-width:64px; --thumb-height:47px; } }
@media(min-width:960px) and (max-height:850px) { .list-thumbnail { --thumb-width:73px; --thumb-height:49px; } }
@media(max-width:959px) { .list-thumbnail { --thumb-width:44px; --thumb-height:35px; } }
@media(max-width:620px) { .list-thumbnail { --thumb-width:48px; --thumb-height:32px; } }

/* 加载反馈独立于内容布局；透明操作层防止长任务重复提交。 */
.studio-shell[aria-busy=true] { cursor:progress; }
.operation-shield { position:fixed; inset:0; z-index:3500; cursor:progress; background:rgb(247 250 252 / 12%); }
.operation-status { position:fixed; z-index:3501; left:50%; bottom:32px; transform:translateX(-50%); width:min(360px,calc(100vw - 32px)); padding:16px 18px 13px; background:#fff; border:1px solid #dce7e7; border-radius:12px; box-shadow:0 8px 32px #213e4930; color:#344956; pointer-events:none; animation:work-enter 180ms ease-out; }
.operation-heading { display:flex; gap:11px; align-items:center; font-size:14px; font-weight:500; }
.busy-spinner { display:inline-block; width:18px; height:18px; flex:0 0 auto; border:2px solid #cce5e2; border-top-color:#258d85; border-radius:50%; animation:work-spin .8s linear infinite; }
.button-spinner { width:13px; height:13px; margin-right:6px; vertical-align:middle; }
.busy-track { margin-top:13px; height:3px; background:#e8f2f1; border-radius:3px; overflow:hidden; }
.busy-track::after { content:''; display:block; height:100%; width:36%; border-radius:3px; background:#339e95; animation:work-track 1.4s ease-in-out infinite; }
.save-status { display:flex; gap:6px; align-items:center; margin-left:12px; color:#7d8d98; font-size:12px; font-weight:400; white-space:nowrap; animation:work-enter 180ms .25s both; }
.save-status .busy-spinner { width:12px; height:12px; }
.boot-loading { min-height:100vh; display:flex; align-items:center; justify-content:center; gap:12px; color:#617784; font:14px system-ui,sans-serif; background:#f5f7fa; }
@keyframes work-spin { to { transform:rotate(360deg); } }
@keyframes work-track { from { transform:translateX(-110%); } to { transform:translateX(390%); } }
@keyframes work-enter { from { opacity:0; } to { opacity:1; } }
@media(prefers-reduced-motion:reduce) { .busy-spinner,.busy-track::after,.operation-status,.save-status { animation:none; }.busy-track::after { width:100%; opacity:.5; } }
@media(max-width:760px) { .save-status { margin-left:6px; font-size:11px; }.operation-status { bottom:16px; } }
.tent-loading { position:absolute; inset:0; display:flex; align-items:center; justify-content:center; gap:10px; background:rgb(247 250 252 / 88%); z-index:2; color:#617784; font-size:13px; }
.startup-screen { min-height:100vh; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:14px; padding:32px; background:var(--workspace); color:#617784; text-align:center; }.startup-screen strong { font-size:17px; font-weight:500; color:#344956; }.startup-screen > span:last-child { font-size:12px; color:#8897a3; }.startup-screen .busy-spinner { width:26px; height:26px; }.startup-error p { max-width:560px; margin:0; line-height:1.7; overflow-wrap:anywhere; }.startup-actions { display:flex; align-items:center; gap:18px; margin-top:8px; }.startup-actions .project-file { position:relative; overflow:hidden; cursor:pointer; color:var(--teal-dark); }.startup-actions .project-file input { position:absolute; inset:0; opacity:0; width:100%; cursor:pointer; }

/* 加载反馈延迟一秒显现。由浏览器计时，主线程正在计算时也能按时显示。 */
:root { --feedback-delay:1s; }
@keyframes feedback-reveal {
 from { visibility:hidden; opacity:0; }
 to { visibility:visible; opacity:1; }
}
@keyframes feedback-button-reveal {
 from { visibility:hidden; opacity:0; width:0; }
 to { visibility:visible; opacity:1; width:calc(1em + 8px); }
}
@keyframes feedback-icon-reveal {
 from { visibility:hidden; opacity:0; width:0; border-width:0; margin-right:0; }
 to { visibility:visible; opacity:1; width:13px; border-width:2px; margin-right:6px; }
}
@keyframes feedback-shield-reveal {
 from { background:transparent; cursor:default; }
 to { background:rgb(247 250 252 / 12%); cursor:progress; }
}
.operation-status,.save-status,.startup-screen[aria-busy=true],.boot-loading,.tent-loading[role=status] {
 animation:feedback-reveal 0s linear var(--feedback-delay) both;
}
.studio-shell[aria-busy=true] { cursor:default; }
.operation-shield { animation:feedback-shield-reveal 0s linear var(--feedback-delay) both; }
.studio-shell .ant-btn.ant-btn-loading > .ant-btn-loading-icon {
 overflow:hidden; animation:feedback-button-reveal 0s linear var(--feedback-delay) both; transition:none;
}
.studio-shell .ant-btn.ant-btn-loading::before { animation:feedback-reveal 0s linear var(--feedback-delay) both; }
.button-spinner { animation:feedback-icon-reveal 0s linear var(--feedback-delay) both,work-spin .8s linear infinite; }
@media(prefers-reduced-motion:reduce) {
 .button-spinner { animation:feedback-icon-reveal 0s linear var(--feedback-delay) both; }
 .studio-shell .ant-btn.ant-btn-loading > .ant-btn-loading-icon .anticon svg { animation:none; }
}
.operation-status.subtle { width:auto; max-width:calc(100vw - 32px); padding:9px 14px; border-radius:8px; box-shadow:0 3px 14px #213e4918; }.operation-status.subtle .operation-heading { font-size:12px; font-weight:400; }.operation-shield.subtle { animation:none; background:transparent; cursor:default; }

.tile-status .studio-icon,.filters .manual-status-icon .studio-icon { width:14px; height:14px; flex-shrink:0; }
.filters .manual-status-icon { display:inline-flex; align-items:center; justify-content:center; }

/* 多个独立操作的提示各自计时，不拦截界面操作。 */
.operation-notices{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:3501;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.operation-notices .operation-status{position:relative;left:auto;bottom:auto;transform:none}

.preview-tile.is-selected { outline:2px solid var(--teal); outline-offset:-2px; }