:root{--bg: #0f1419;--panel: #151c24;--panel-2: #1c2632;--border: #2a3644;--text: #e6edf3;--muted: #8a97a6;--accent: #4a9eff;--danger: #e74c3c;--hover: #25313f;--label-bg: rgba(21, 28, 36, .9);--overlay-bg: rgba(15, 20, 25, .8);--section-text: #b8c7d8;--section-border: rgba(138, 163, 191, .35);--glass: rgba(21, 28, 36, .92);--warn: #f1c40f;color-scheme:dark}:root[data-theme=light]{--bg: #eef2f6;--panel: #ffffff;--panel-2: #f2f5f8;--border: #d3dbe4;--text: #1b2430;--muted: #5f6d7c;--accent: #1f7ae0;--danger: #d0392b;--hover: #e4eaf1;--label-bg: rgba(255, 255, 255, .92);--overlay-bg: rgba(255, 255, 255, .85);--section-text: #3d4d60;--section-border: rgba(80, 100, 125, .35);--glass: rgba(255, 255, 255, .92);--warn: #b7791f;color-scheme:light}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;background:var(--bg);color:var(--text);font:13px/1.4 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Ubuntu,sans-serif;overflow:hidden}#app{--left-col: 300px;--right-col: 280px;display:grid;grid-template-columns:var(--left-col) 1fr var(--right-col);position:relative;overflow:hidden;grid-template-rows:auto minmax(0,1fr);grid-template-areas:"toolbar toolbar toolbar" "left    viewport right";height:100vh}#toolbar{grid-area:toolbar;display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;min-height:48px;padding:10px 14px;background:var(--panel);border-bottom:1px solid var(--border)}@media (max-width: 1500px){#toolbar .brand{display:none}}.brand{font-weight:600;letter-spacing:.3px;color:var(--accent);margin-right:6px}.group{display:flex;align-items:center;gap:6px;padding:0 6px;border-left:1px solid var(--border);height:28px}.group:first-of-type{border-left:none;padding-left:0}.group.right{margin-left:auto;border-left:none;flex:1 1 90px;justify-content:flex-end;min-width:0}.group.right .status{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.label{color:var(--muted);font-size:12px}button,select,input[type=text],input[type=number],textarea{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:4px;padding:5px 10px;font-size:12px;cursor:pointer;font-family:inherit}button:hover{background:var(--hover)}button.active{background:var(--accent);border-color:var(--accent);color:#fff}.segmented{display:inline-flex}.segmented button{border-radius:0;margin-left:-1px}.segmented button:first-child{border-radius:4px 0 0 4px;margin-left:0}.segmented button:last-child{border-radius:0 4px 4px 0}button.danger{border-color:var(--danger);color:var(--danger);background:transparent}button.danger:hover{background:var(--danger);color:#fff}button.small{padding:2px 8px;font-size:11px}input[type=color]{width:40px;height:24px;padding:0;border-radius:4px;background:transparent;border:1px solid var(--border);cursor:pointer}#viewport>.status{position:absolute;top:8px;left:8px;z-index:20;max-width:min(60%,640px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text);font-size:12px;padding:4px 10px;background:var(--glass);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border:1px solid var(--border);border-radius:4px;pointer-events:none}.menu{position:relative}.menu-button.open{background:var(--hover)}.menu-list{position:absolute;top:calc(100% + 4px);left:0;z-index:60;min-width:220px;max-height:70vh;overflow-y:auto;display:flex;flex-direction:column;padding:4px;background:var(--panel);border:1px solid var(--border);border-radius:6px;box-shadow:0 6px 20px #0000004d}.menu-list[hidden]{display:none}.menu-item{text-align:left;border:none;background:transparent;padding:6px 10px;display:flex;justify-content:space-between;gap:12px}.menu-item:hover,.menu-item:focus-visible{background:var(--hover)}.menu-item.active{background:color-mix(in srgb,var(--accent) 25%,transparent);color:var(--text)}.menu-item.danger{color:var(--danger)}.menu-item.danger:hover{background:var(--danger);color:#fff}.menu-item kbd{color:var(--muted);font-size:10px}.menu-heading{color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.6px;padding:8px 10px 2px}.menu-separator{height:1px;background:var(--border);margin:4px 2px}#toolbar .primary-actions{margin-left:auto;border-left:none}#toolbar button.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}#toolbar button.primary:hover{filter:brightness(1.1)}#left-panel,#right-panel{background:var(--panel);overflow-y:auto;padding:10px 12px}#left-panel{grid-area:left;border-right:1px solid var(--border)}#right-panel{grid-area:right;border-left:1px solid var(--border)}.panel-header-actions{display:flex;gap:4px;align-items:center}.panel-pin{padding:2px 5px;display:inline-flex;align-items:center}#app.left-auto{--left-col: 0px}#app.right-auto{--right-col: 0px}#left-panel.auto,#right-panel.auto{grid-area:viewport;z-index:40;width:300px;max-width:85vw;transition:transform .18s ease;box-shadow:0 0 24px #00000059}#left-panel.auto{justify-self:start;transform:translate(-100%)}#right-panel.auto{justify-self:end;width:280px;transform:translate(100%)}#left-panel.auto.open,#right-panel.auto.open{transform:none}.panel-handle{position:absolute;top:0;bottom:0;width:14px;z-index:31;padding:0;border:none;border-radius:0;background:transparent;color:var(--muted);display:flex;align-items:center;justify-content:center;cursor:pointer}.panel-handle.left{left:0}.panel-handle.right{right:0}.panel-handle span{display:flex;align-items:center;justify-content:center;width:14px;height:64px;font-size:16px;line-height:1;background:var(--glass);border:1px solid var(--border);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.panel-handle.left span{border-left:none;border-radius:0 6px 6px 0}.panel-handle.right span{border-right:none;border-radius:6px 0 0 6px}.panel-handle:hover,.panel-handle.open{background:transparent;color:var(--text)}.panel-handle:hover span{background:var(--hover)}.panel-header{display:flex;justify-content:space-between;align-items:center;margin:14px 0 6px}.panel-header:first-child{margin-top:0}.panel-header h3{margin:0;font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.8px}#layer-list{list-style:none;padding:0;margin:0}#layer-list li{display:flex;align-items:center;gap:6px;padding:6px 8px;border:1px solid transparent;border-radius:4px;cursor:pointer;margin-bottom:3px}#layer-list li:hover{background:var(--panel-2)}#layer-list li.active{background:var(--panel-2);border-color:var(--accent)}#layer-list li.hidden-layer .name,#layer-list li.hidden-layer .swatch{opacity:.4}#layer-list .swatch{width:12px;height:12px;border-radius:2px;flex-shrink:0}#layer-list .name{flex:1;font-size:12px}#layer-list .vis,#layer-list .del{background:transparent;border:none;color:var(--muted);padding:2px 4px;cursor:pointer;font-size:11px}#layer-list .vis:hover{color:var(--text)}#layer-list .del:hover{color:var(--danger)}.help{font-size:11px;color:var(--muted);line-height:1.7}.help b{color:var(--text);font-weight:600;margin-right:4px}#viewport{grid-area:viewport;position:relative;overflow:hidden}.box-select{position:absolute;pointer-events:none;border:1px solid var(--accent);background:color-mix(in srgb,var(--accent) 15%,transparent)}.node-label{background:var(--label-bg);border:1px solid var(--border);color:var(--text);padding:2px 8px;font-size:11px;border-radius:3px;white-space:nowrap;-webkit-user-select:none;user-select:none;pointer-events:none;transform:translateY(-100%)}.node-label.selected{border-color:var(--accent);background:#4a9eff40}.layer-label{color:var(--text);font-size:13px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;background:var(--overlay-bg);padding:2px 6px;border-radius:3px;-webkit-user-select:none;user-select:none;pointer-events:none;white-space:nowrap}.layer-label.active{color:var(--accent)}.conn-label{background:var(--overlay-bg);color:var(--muted);font-size:10px;padding:1px 5px;border-radius:2px;-webkit-user-select:none;user-select:none;pointer-events:none;white-space:nowrap}#properties .row{display:grid;grid-template-columns:80px 1fr;align-items:center;gap:6px;margin-bottom:8px}#properties .row label{color:var(--muted);font-size:11px}#properties input,#properties select,#properties textarea{width:100%;background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:4px;padding:4px 6px;font-size:12px;font-family:inherit}#properties textarea{resize:vertical;min-height:50px}#properties h4{margin:0 0 10px;font-size:13px}#properties .empty-hint{color:var(--muted);font-style:italic;font-size:12px}#properties .actions{display:flex;gap:6px;margin-top:10px}#properties .actions.wrap{flex-wrap:wrap}.palette{display:flex;flex-direction:column;gap:4px}.palette-search{width:100%;background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:4px;padding:6px 8px;font:inherit;font-size:12px;margin-bottom:4px}.palette-search:focus{outline:none;border-color:var(--accent)}.palette-cat-head{display:flex;align-items:center;gap:6px;width:100%;background:transparent;border:none;padding:4px 2px;color:var(--text);font-weight:600;text-align:left}.palette-cat-head:hover{background:transparent;color:var(--accent)}.palette-cat-head .chev{width:10px;color:var(--muted)}.palette-cat-head .count{margin-left:auto;color:var(--muted);font-weight:400;font-size:11px}.palette-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin:2px 0 8px}.palette-item{display:flex;align-items:center;gap:6px;padding:3px 6px 3px 4px;text-align:left;font-size:11px;line-height:1.2;min-width:0}.palette-item .swatch{width:10px;height:10px;border-radius:50%;flex-shrink:0}.palette-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.palette-thumb{position:relative;width:34px;height:34px;flex-shrink:0;display:grid;place-items:center}.palette-thumb img{width:34px;height:34px}.palette-logo{position:absolute;right:-3px;bottom:-2px;width:14px;height:14px;display:grid;place-items:center;border-radius:3px;box-shadow:0 0 0 1px #00000059}.palette-logo svg{width:10px;height:10px}.thumb-renderer{position:fixed;left:-1000px;top:0;width:64px;height:64px;pointer-events:none;opacity:0}button:disabled{opacity:.4;cursor:default}button:disabled:hover{background:var(--panel-2)}#properties label.checkbox{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:11px;cursor:pointer}#properties label.checkbox input{width:auto;margin:0}#toolbar button{white-space:nowrap}.section-label{color:var(--section-text);font-size:11px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;background:var(--overlay-bg);border:1px solid var(--section-border);padding:2px 6px;border-radius:3px;-webkit-user-select:none;user-select:none;pointer-events:none;white-space:nowrap}.sections{list-style:none;padding:0;margin:0 0 6px}.sections li{display:flex;align-items:center;gap:6px;margin-bottom:3px}.sections .num{width:14px;color:var(--muted);font-size:11px;text-align:right}.sections input{flex:1;min-width:0;padding:3px 6px}.sections .del{background:transparent;border:none;color:var(--muted);padding:2px 4px}.sections .del:hover{color:var(--danger);background:transparent}.sections-width{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--muted);font-size:11px}.sections-width input{width:64px;padding:3px 6px}#properties .readonly{color:var(--text);font-size:12px}fieldset#properties{border:none;margin:0;padding:0;min-width:0}.timeline{position:absolute;left:12px;right:12px;bottom:12px;background:var(--glass);border:1px solid var(--border);border-radius:6px;padding:8px 10px;display:flex;flex-direction:column;gap:6px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.timeline.viewing{border-color:var(--warn)}.timeline-row{display:flex;align-items:center;gap:8px}.timeline .capture{color:#ff6b6b;border-color:#5a2a2a}.timeline-slider{flex:1;accent-color:var(--accent)}.timeline-pos{color:var(--muted);font-size:12px;min-width:110px;text-align:right}.timeline-chips{display:flex;gap:6px;overflow-x:auto;padding-bottom:2px}.timeline .chip{display:flex;align-items:center;flex-shrink:0;border:1px solid var(--border);border-radius:4px;background:var(--panel-2)}.timeline .chip.active{border-color:var(--accent);background:#4a9eff2e}.timeline .chip.current.active{border-color:#2ecc71;background:#2ecc7126}.timeline .chip button{background:transparent;border:none;padding:3px 8px;font-size:11px;white-space:nowrap}.timeline .chip .chip-num{color:var(--muted);margin-right:6px}.timeline .chip .chip-del,.timeline .chip .chip-edit{color:var(--muted);padding:3px 5px 3px 0}.timeline .chip .chip-edit:hover{color:var(--text)}.timeline .chip .chip-del:hover{color:var(--danger)}.timeline-banner{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--warn);font-size:12px}.timeline-banner b{color:var(--text)}.timeline-actions{display:flex;gap:6px;flex-shrink:0}@media (max-width: 1100px){#app{--left-col: 240px;--right-col: 230px}#left-panel.auto{width:240px}#right-panel.auto{width:230px}}@media (max-width: 800px){#app{--left-col: 200px;--right-col: 200px}#left-panel.auto,#right-panel.auto{width:200px}#toolbar .group{border-left:none;padding:0}}#app.presenting{grid-template-columns:1fr;grid-template-rows:1fr;grid-template-areas:"viewport"}.present-bar{position:absolute;top:12px;right:12px;display:flex;gap:6px;opacity:.55;transition:opacity .2s}.present-bar:hover{opacity:1}.present-bar button{background:var(--glass);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.presenting .timeline.empty,.presenting .timeline .capture,.presenting .timeline .chip-edit,.presenting .timeline .chip-del,.presenting .timeline .restore{display:none}:root[data-theme=light] .timeline .capture{color:#c0392b;border-color:#e6b0aa}#toolbar button.diagrams{max-width:220px;display:inline-flex;gap:4px}#toolbar .diagram-title{overflow:hidden;text-overflow:ellipsis}.save-state{color:var(--muted);font-size:11px;white-space:nowrap}.save-state.error,.save-state.conflict{color:var(--danger)}.library-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin:0 0 8px}.storage-state{color:var(--muted);font-size:11px;margin-left:auto}.storage-state.warn{color:var(--danger)}.conflict-banner{position:absolute;top:8px;left:50%;transform:translate(-50%);z-index:30;display:flex;align-items:center;gap:8px;flex-wrap:wrap;max-width:calc(100% - 32px);background:var(--panel);border:1px solid var(--danger);border-radius:6px;padding:6px 10px;font-size:12px;box-shadow:0 2px 8px #00000040}#toolbar button.account{white-space:nowrap}#toolbar button.account.trial{border-color:var(--accent)}#toolbar button.account.locked,#toolbar button.account.unknown{color:var(--danger);border-color:var(--danger)}.trial-banner{position:absolute;top:8px;left:50%;transform:translate(-50%);z-index:29;display:flex;align-items:center;gap:8px;max-width:calc(100% - 32px);background:var(--panel);border:1px solid var(--accent);border-radius:6px;padding:6px 10px;font-size:12px;box-shadow:0 2px 8px #00000040}.trial-banner.locked{border-color:var(--danger)}.trial-banner .trial-dismiss{background:transparent;border:none;color:var(--muted);padding:0 4px;font-size:14px}.account-form label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted)}.account-form input{font-size:14px;padding:6px 8px}.account-email{margin:8px 0 4px}.account-status{color:var(--muted);font-size:13px;margin:0 0 12px}.account-status.locked{color:var(--danger)}.account-sent{margin:8px 0 4px;font-size:15px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;align-items:center;justify-content:center;background:#00000073;padding:16px}.modal{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:18px 20px;width:min(560px,100%);max-height:calc(100vh - 32px);overflow:auto;box-shadow:0 12px 40px #00000059}.modal h2{margin:0 0 8px;font-size:17px}.modal-head{display:flex;align-items:center;gap:8px}.modal-head h2{margin:0;flex:1}.modal-head .close{background:transparent;border:none;font-size:18px;color:var(--muted);padding:0 6px}.modal-note{color:var(--muted);font-size:12px;margin:8px 0 12px}.welcome-tagline{margin:-6px 0 12px;color:var(--muted);font-size:15px;letter-spacing:.2px}.welcome-rule{font-size:14px;line-height:1.5;margin:0}.welcome-site{margin:12px 0 0;text-align:center}.welcome-choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px}.welcome-choices button{padding:10px}.modal-backdrop.welcome-backdrop{background:var(--bg)}.welcome-card,.template-grid .template{display:flex;flex-direction:column;align-items:stretch;gap:6px;text-align:left}.diagram-preview{width:100%;height:auto;max-height:120px;color:var(--muted);background:var(--bg);border-radius:4px}.modal.welcome{width:min(760px,100%)}@media (min-width: 640px){.welcome .welcome-choices{grid-template-columns:repeat(4,1fr)}}.blank-preview{display:grid;place-items:center;aspect-ratio:168 / 104;max-height:120px;font-size:28px;color:var(--muted);border:1px dashed var(--border);border-radius:4px}.controls-card{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:4px 12px;margin:4px 0 0;font-size:12px}.controls-card div{display:flex;gap:6px;align-items:baseline}.controls-card dt,.controls-card dd{margin:0}.controls-card dd{color:var(--muted)}kbd{border:1px solid var(--border);border-radius:3px;padding:0 4px;font-size:11px;font-family:inherit;background:var(--panel-2)}.shortcuts{border-collapse:collapse;font-size:12px}.shortcuts th{text-align:left;padding:4px 12px 4px 0;white-space:nowrap;font-weight:400}.shortcuts td{padding:4px 0;color:var(--muted)}.diagram-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}.diagram-list li{display:flex;align-items:center;gap:6px;padding:4px;border:1px solid transparent;border-radius:4px}.diagram-list li.current{border-color:var(--accent)}.diagram-list .diagram-open{flex:1;min-width:0;display:flex;justify-content:space-between;gap:8px;background:transparent;border:none;text-align:left}.diagram-list .diagram-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.diagram-list .diagram-when{color:var(--muted);font-size:11px;white-space:nowrap}.diagram-list .rename-input{flex:1;min-width:0}.crash{padding:32px;max-width:560px}.crash h2{margin:0 0 8px;font-size:17px}.crash pre{color:var(--danger);white-space:pre-wrap;font-size:12px}.crash-actions{display:flex;gap:8px;flex-wrap:wrap}.node-label.dimmed{opacity:.25}#properties .path-row{margin-bottom:8px}#properties .path-row label{display:block;color:var(--muted);font-size:11px;margin-bottom:4px}#properties .highlight-modes{display:flex}#properties .highlight-modes button{flex:1 1 auto;padding:4px 6px;font-size:11px}.table-view{position:absolute;top:0;right:0;bottom:0;left:0;z-index:5;display:flex;flex-direction:column;background:var(--panel)}.table-bar{display:flex;align-items:center;gap:8px;padding:8px 12px;border-bottom:1px solid var(--border)}.table-bar .table-filter{flex:1;max-width:360px}.table-bar .table-close{margin-left:auto}.table-note{color:var(--warn);font-size:12px}.table-scroll{flex:1;overflow:auto}.table-scroll fieldset{border:none;margin:0;padding:0;min-width:0}.data-table{width:100%;border-collapse:collapse;font-size:12px}.data-table th{position:sticky;top:0;z-index:1;background:var(--panel);border-bottom:1px solid var(--border);text-align:left;padding:0}.data-table th button{width:100%;text-align:left;border:none;border-radius:0;background:transparent;color:var(--muted);font-weight:600;padding:6px 8px}.data-table th button:hover{color:var(--text);background:var(--hover)}.data-table th 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