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#0003}.modal-back{z-index:40;background:#14192352;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal{background:#fff;border-radius:14px;flex-direction:column;width:min(520px,100%);max-height:calc(100% - 32px);display:flex;box-shadow:0 20px 60px #00000040}.modal.wide{width:min(900px,100%)}.modal-head{justify-content:space-between;align-items:center;padding:14px 16px 6px 20px;display:flex}.modal-head h2{margin:0;font-size:16px}.modal-body{padding:4px 20px 20px;overflow-y:auto}.help-grid{grid-template-columns:1.1fr 1fr;gap:24px;display:grid}.help-grid h4{margin:8px 0}.help-steps{margin:0;padding-left:18px;line-height:1.5}.help-steps li{margin-bottom:8px}.kbd-table{border-collapse:collapse;width:100%}.kbd-table td{border-bottom:1px solid var(--line);vertical-align:top;padding:4px 6px}.kbd-table td:first-child{white-space:nowrap}@media (width<=1200px){.hide-sm{display:none}.tool{width:48px}.library{width:190px}.props{width:250px}}@media 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button:active{background:var(--accent-soft)}.navpad-top{font-size:18px!important}.resize-handle{fill:#fff;stroke:var(--accent);stroke-width:1.4px;vector-effect:non-scaling-stroke}.resize-handle:hover{fill:var(--accent)}.resize-handle.cur-ew{cursor:ew-resize}.resize-handle.cur-ns{cursor:ns-resize}.resize-handle.cur-nwse{cursor:nwse-resize}.resize-handle.cur-nesw{cursor:nesw-resize}.size-lbl{font-weight:600;fill:var(--accent)!important}.wall-end-handle{fill:#fff;stroke:var(--accent);stroke-width:2px;vector-effect:non-scaling-stroke;cursor:grab}.wall-end-handle:hover{fill:var(--accent)}.snap-tag-bg{fill:#22262c;opacity:.85}.snap-tag{fill:#fff;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-weight:500}.save-state{color:var(--text-3);white-space:nowrap;font-size:11.5px}.save-state.save-error{color:var(--danger);cursor:pointer}.save-conflict{color:#8a5a00;white-space:nowrap;background:#fff6e5;border:1px solid #f1d9a6;border-radius:8px;align-items:center;gap:6px;padding:3px 4px 3px 10px;font-size:12px;display:flex}.muted{color:var(--text-2)}.page-center{justify-content:center;align-items:center;height:100%;padding:16px;display:flex}.page-msg{text-align:center;max-width:420px}.page-msg h2{margin:0 0 6px;font-size:18px}.page-msg p{margin:0 0 18px}.menu-pop.right{left:auto;right:0}.menu-item.danger,.menu-item.danger svg{color:var(--danger)}.menu-head{overflow-wrap:anywhere;flex-direction:column;gap:2px;padding:8px 9px 6px;font-size:12.5px;display:flex}.auth-page{background:linear-gradient(#f6f7f9eb,#f6f7f9eb),repeating-linear-gradient(0deg,#0000 0 39px,#dfe3e9 39px 40px),repeating-linear-gradient(90deg,#0000 0 39px,#dfe3e9 39px 40px);justify-content:center;align-items:center;height:100%;padding:32px 16px;display:flex;overflow-y:auto}.auth-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;width:min(400px,100%);padding:28px 28px 22px;box-shadow:0 16px 48px #141e3214}.auth-brand{align-items:center;gap:8px;margin-bottom:22px;font-size:15px;font-weight:700;display:flex}.auth-card h1{letter-spacing:-.01em;margin:0 0 4px;font-size:21px}.auth-sub{margin:0 0 20px;line-height:1.45}.auth-field{flex-direction:column;gap:5px;margin-bottom:14px;font-size:12.5px;font-weight:600;display:flex}.auth-field small{font-size:11.5px;font-weight:400}.auth-field-row{justify-content:space-between;align-items:baseline;display:flex}.auth-field-row .link{font-size:12px;font-weight:400}.auth-field input{border:1px solid var(--line-2);background:#fff;border-radius:8px;width:100%;height:38px;padding:0 11px;font-size:14px;font-weight:400}.auth-field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);outline:none}.pw{display:block;position:relative}.pw input{padding-right:40px}.pw-toggle{width:30px;height:30px;color:var(--text-3);cursor:pointer;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;display:flex;position:absolute;top:4px;right:4px}.pw-toggle:hover{color:var(--text)}.form-error,.form-notice{border-radius:8px;margin:0 0 14px;padding:9px 11px;line-height:1.4}.form-error{color:#a12d1f;background:#fdf0ee}.form-notice{color:#1f6a32;background:#eaf5ec}.auth-switch{text-align:center;color:var(--text-2);margin:18px 0 0}.auth-switch a{color:var(--accent);font-weight:600;text-decoration:none}.home{height:100%;overflow-y:auto}.home-head{z-index:5;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);background:#ffffffeb;align-items:center;gap:8px;height:56px;padding:0 20px;display:flex;position:sticky;top:0}.home-brand{color:var(--text);align-items:center;gap:8px;font-size:15px;font-weight:700;text-decoration:none;display:flex}.account-btn{cursor:pointer;background:0 0;border:1px solid #0000;border-radius:18px;align-items:center;gap:8px;max-width:260px;height:34px;padding:0 10px 0 4px;display:flex}.account-btn:hover{background:#f0f2f5}.account-btn .hide-sm{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.avatar{background:var(--accent);color:#fff;border-radius:50%;flex:none;justify-content:center;align-items:center;width:26px;height:26px;font-size:12px;font-weight:700;display:flex}.account .menu-pop{min-width:220px;top:40px}.home-main{max-width:1120px;margin:0 auto;padding:32px 20px 48px}.home-title{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:22px;display:flex}.home-title h1{letter-spacing:-.01em;margin:0 0 4px;font-size:24px}.home-title p{margin:0}.home-actions{flex-wrap:wrap;gap:8px;display:flex}.home-actions.center{justify-content:center}.home-actions .btn{height:34px}.legacy-banner{background:var(--accent-soft);border:1px solid #c8dcf8;border-radius:10px;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:20px;padding:10px 10px 10px 14px;display:flex}.legacy-banner span{flex:280px;line-height:1.4}.project-grid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px;margin:0;padding:0;list-style:none;display:grid}.project-card{background:var(--panel);border:1px solid var(--line);border-radius:12px;flex-direction:column;transition:border-color .12s,box-shadow .12s;display:flex;position:relative}.project-card:hover{border-color:var(--line-2);box-shadow:0 6px 20px #141e3212}.project-card.skeleton{background:linear-gradient(90deg,#f1f3f6 0%,#f8f9fb 50%,#f1f3f6 100%) 0 0/200% 100%;height:228px;animation:1.4s linear infinite shimmer}@keyframes shimmer{to{background-position:-200% 0}}.pc-thumb{border:none;border-bottom:1px solid var(--line);cursor:pointer;background:#fafbfc;border-radius:12px 12px 0 0;justify-content:center;align-items:center;height:160px;padding:14px;display:flex}.pc-thumb img{object-fit:contain;max-width:100%;max-height:100%}.pc-placeholder svg{width:34px;height:34px;color:var(--line-2)}.pc-info{flex-direction:column;gap:2px;min-width:0;padding:10px 44px 12px 12px;display:flex}.pc-name{text-align:left;cursor:pointer;text-overflow:ellipsis;white-space:nowrap;background:0 0;border:none;padding:0;font-size:13.5px;font-weight:600;overflow:hidden}.pc-name-input{border:1px solid var(--accent);border-radius:5px;margin:-2px -6px;padding:1px 5px;font-size:13.5px;font-weight:600}.pc-name-input:focus{outline:none}.pc-date{color:var(--text-3);font-size:11.5px}.pc-more{position:absolute;bottom:10px;right:6px}.pc-menu{min-width:170px;inset:auto 6px 44px auto}.home-empty{text-align:center;border:1px dashed var(--line-2);background:var(--panel);border-radius:14px;padding:56px 16px}.home-empty-art svg{width:40px;height:40px;color:var(--accent)}.home-empty h2{margin:10px 0 4px;font-size:18px}.home-empty p{margin:0 0 18px}.home-error{color:#a12d1f;background:#fdf0ee;border-radius:10px;align-items:center;gap:12px;padding:14px 16px;display:flex}.home-error p{flex:1;margin:0}@media (width<=560px){.home-main{padding:22px 16px 40px}.home-head{padding:0 16px}.home-actions{width:100%}.home-actions .btn{flex:1;justify-content:center}}.share-intro{color:var(--text-2);margin:0 0 14px;line-height:1.45}.share-link{gap:8px;display:flex}.share-link input{min-width:0;font:inherit;height:34px;color:var(--text);flex:1;padding:0 10px;font-size:13px}.share-actions{justify-content:space-between;gap:8px;margin-top:12px;display:flex}.share-error{color:var(--danger);margin:12px 0 0}.pc-shared{color:var(--accent)}.shared-app{grid-template-rows:52px 1fr}.shared-title{flex-direction:column;min-width:0;padding:0 4px;line-height:1.2;display:flex}.shared-title h1{white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:14px;font-weight:600;overflow:hidden}.shared-title span{color:var(--text-3);white-space:nowrap;font-size:11.5px}.ro-badge{color:var(--text-2);white-space:nowrap;background:#eef0f3;border-radius:999px;flex-shrink:0;padding:3px 9px;font-size:11px;font-weight:500}.viewer-zoom{background:var(--panel);border:1px solid var(--line);border-radius:9px;flex-direction:column;padding:2px;display:flex;position:absolute;bottom:10px;right:10px;box-shadow:0 1px 3px #00000014}@media (width<=700px){.shared-app .stage.mode-split{flex-direction:column}.shared-app .stage.mode-split .pane2d{border-right:none;border-bottom:1px solid var(--line-2)}.shared-app .ro-badge{display:none}.shared-app .toolbar{gap:4px;padding:0 6px}}