:root{--bg: #fbfaf6;--panel: #fffffe;--line: #d4d0c4;--ink: #2a2a28;--mute: #6b685f;--accent: #3b82f6;--danger: #c54a3b;--warn: #b27800;--ok: #2f7d4f;--masthead-h: 44px;--ctx-h: 44px;--footer-h: 32px;--brand-footer-h: 22px}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Inter,system-ui,sans-serif}body,#app{min-height:100vh}#shell{display:grid;grid-template-rows:auto auto 1fr auto auto;min-height:100vh}.masthead{height:var(--masthead-h)}.context-actions{height:var(--ctx-h)}.shell-footer{height:var(--footer-h)}.brand-footer{height:var(--brand-footer-h)}.message-bar{display:flex;align-items:center;justify-content:center;gap:10px;padding:0 16px;font-size:12px;letter-spacing:.3px;background:#2a2a28;color:#f5f2ea;border-bottom:1px solid #1c1c1a}.message-bar[hidden]{display:none}.message-bar.info{background:#2a2a28;color:#f5f2ea}.message-bar.warn{background:#b27800;color:#fff}.message-bar.ok{background:#2f7d4f;color:#fff}.message-bar .msg-dismiss{background:transparent;border:0;color:inherit;cursor:pointer;font-size:14px;line-height:1;padding:2px 6px;opacity:.7}.message-bar .msg-dismiss:hover{opacity:1}.masthead{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 18px;background:var(--panel);border-bottom:1px solid var(--line);gap:16px}.masthead-brand{font-weight:600;font-size:14px;letter-spacing:.5px;color:var(--ink);justify-self:start}.masthead-modes{justify-self:center}.masthead-actions{justify-self:end;display:flex;align-items:center;gap:8px}.segmented{display:inline-flex;border:1px solid var(--line);border-radius:4px;overflow:hidden;background:#fff;height:28px}.segmented button{font-family:inherit;font-size:12.5px;padding:0 13px;border:0;border-right:1px solid var(--line);background:#fff;color:var(--mute);cursor:pointer;letter-spacing:.2px}.segmented button:last-child{border-right:0}.segmented button.active{background:var(--ink);color:#fff}.segmented button:not(.active):hover{background:#f5f2ea}.shell-main{display:grid;grid-template-rows:auto 1fr;min-height:0}.context-actions{display:flex;align-items:center;gap:14px;padding:0 18px;background:var(--panel);border-bottom:1px solid var(--line);overflow-x:auto;white-space:nowrap}.context-actions-group{display:none;align-items:center;gap:14px}#shell[data-mode=gallery] .context-actions-group[data-mode=gallery],#shell[data-mode=view] .context-actions-group[data-mode=view],#shell[data-mode=draw] .context-actions-group[data-mode=draw],#shell[data-mode=connect] .context-actions-group[data-mode=connect],#shell[data-mode=styles] .context-actions-group[data-mode=styles]{display:flex}.ctx-note{font-size:12px;color:var(--mute);letter-spacing:.3px}.field{display:flex;flex-direction:column;gap:2px}.field[hidden]{display:none}.field>span{font-size:9.5px;color:var(--mute);letter-spacing:1px;text-transform:uppercase}.field input,.field select{font-family:inherit;font-size:12.5px;padding:4px 8px;border:1px solid var(--line);background:#fff;border-radius:3px;min-width:140px;color:var(--ink)}.field select{cursor:pointer;min-width:120px}.field-color input[type=color]{min-width:44px;width:44px;height:28px;padding:2px;cursor:pointer}.field input:focus,.field select:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:transparent}.mode-content{position:relative;display:flex;justify-content:center;align-items:center;padding:24px;overflow:auto;min-height:0}#shell[data-mode=gallery] #canvas-pane{display:none}#shell:not([data-mode=gallery]) #gallery-pane{display:none}#shell:not([data-mode=styles]) #styles-pane{display:none}#shell[data-mode=styles] .mode-content{justify-content:flex-start;align-items:stretch;gap:16px;padding:16px;overflow:hidden;height:calc(100vh - var(--masthead-h) - var(--ctx-h) - var(--footer-h) - var(--brand-footer-h))}#shell[data-mode=styles] #styles-pane{flex:0 0 460px;max-width:460px;min-height:0;align-self:stretch;overflow-y:auto}#shell[data-mode=styles] #canvas-pane{flex:1 1 auto;min-width:0}#canvas-pane,#canvas{width:100%;height:100%;min-height:0;display:flex;justify-content:center;align-items:center}#canvas svg{max-width:100%;max-height:100%;width:auto;height:auto;display:block;box-shadow:0 1px 3px #0000000d}#gallery-pane{width:100%;max-width:880px;align-self:flex-start}.gallery-grid{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.gallery-tile{display:flex;flex-direction:row;align-items:center;gap:14px;padding:10px 14px;background:var(--panel);border:1px solid var(--line);border-radius:6px;cursor:pointer;transition:border-color .12s,background .12s}.gallery-tile:hover{border-color:var(--accent);background:#fbfaf6}.gallery-tile .g-preview{flex:0 0 auto;width:240px;height:150px;border:1px solid var(--line);border-radius:4px;background:#fbfaf6;overflow:hidden;display:flex;align-items:center;justify-content:center}.gallery-tile .g-preview svg{width:100%;height:100%;display:block}.gallery-tile .g-preview.is-empty{color:var(--mute);font-size:11px;letter-spacing:.3px}.gallery-tile .g-meta{display:flex;flex-direction:column;gap:4px;min-width:0;flex:1 1 auto}.gallery-tile .g-slug{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;color:var(--ink);word-break:break-word}.gallery-tile .g-uri{font-size:10.5px;color:var(--mute);letter-spacing:.2px;word-break:break-all}.gallery-empty,.gallery-error{padding:16px;color:var(--mute);font-size:13px;text-align:center}.gallery-error{color:var(--danger)}.gallery-pane-header{display:flex;align-items:baseline;justify-content:space-between;padding:0 4px 12px;border-bottom:1px solid var(--line);margin-bottom:16px}.gallery-pane-header h2{font-size:14px;font-weight:600;letter-spacing:.5px;margin:0;color:var(--ink)}#styles-pane{width:100%;max-width:880px;align-self:flex-start}.styles-pane-header{display:flex;align-items:baseline;justify-content:space-between;padding:0 4px 12px;border-bottom:1px solid var(--line);margin-bottom:16px}.styles-pane-header h2{font-size:14px;font-weight:600;letter-spacing:.5px;margin:0;color:var(--ink)}.styles-pane-header .styles-count{font-size:11px;color:var(--mute);letter-spacing:.4px}.styles-grid{list-style:none;margin:0 0 16px;padding:0;display:flex;flex-direction:column;gap:8px}.style-row{display:flex;flex-direction:column;gap:10px;padding:10px 14px;background:var(--panel);border:1px solid var(--line);border-radius:6px}.style-row.is-bound{border-color:var(--accent)}.style-row-summary{display:flex;flex-direction:column;gap:4px;cursor:pointer}.style-row.is-open .style-row-summary{cursor:default}.style-row.is-open{border-color:var(--accent);box-shadow:0 1px 4px #0000000d}.style-row-editor:empty{display:none}.style-row.is-open .style-row-editor{border-top:1px solid var(--line);padding-top:12px;display:flex;flex-direction:column;gap:14px}.style-row-uri-placeholder{font-size:10.5px;color:var(--mute);letter-spacing:.4px;font-style:italic}.style-row-meta{display:flex;flex-direction:column;gap:4px;min-width:0;flex:1 1 auto}.style-row-line1{display:flex;align-items:center;gap:8px}.style-row-line1 .style-row-swatches{margin-left:auto}.style-row-name{font-size:13px;color:var(--ink);display:flex;align-items:center;gap:8px;flex-wrap:wrap;word-break:normal;overflow-wrap:anywhere}.style-row-bound{font-size:9.5px;color:var(--accent);letter-spacing:1px;text-transform:uppercase;border:1px solid var(--accent);border-radius:999px;padding:1px 8px}.style-row-kind,.style-editor-kind,.style-row-bound{white-space:nowrap}.style-row-kind,.style-editor-kind{font-size:9.5px;letter-spacing:1px;text-transform:uppercase;border-radius:999px;padding:1px 8px;border:1px solid var(--line);color:var(--mute);background:#fff}.style-row-kind.kind-canvas,.style-editor-kind.kind-canvas{border-color:#b27800;color:#b27800}.style-row-kind.kind-object,.style-editor-kind.kind-object{border-color:#2f7d4f;color:#2f7d4f}.style-editor-kind{align-self:center;padding:2px 10px}.style-row-uri{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10.5px;color:var(--mute);letter-spacing:.2px;word-break:break-all}.style-row-swatches{display:flex;gap:4px;flex:0 0 auto}.style-swatch{width:18px;height:18px;border-radius:3px;border:1px solid var(--line);display:inline-block}.style-row-actions{display:flex;gap:6px;flex:0 0 auto}.styles-empty,.styles-error{padding:16px;color:var(--mute);font-size:13px;text-align:center}.styles-error{color:var(--danger)}.style-editor{border:1px solid var(--line);border-radius:6px;background:var(--panel);padding:16px;display:flex;flex-direction:column;gap:14px}.style-editor[hidden]{display:none}.style-editor-header{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap}.style-editor-header .field{flex:1 1 240px}.style-editor-actions{display:flex;gap:8px;align-items:center}.style-editor-autosave{flex:1 1 auto;font-size:10.5px;color:var(--mute);letter-spacing:.4px;text-align:right;margin-right:8px}.style-token-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}.style-token-grid:not(.is-gradient) .style-token-row-gradient{display:none}.style-token-row{flex-direction:row;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--line);border-radius:4px;background:#fff}.style-token-row>span{flex:1 1 auto;text-transform:none;font-size:11px;letter-spacing:0;color:var(--ink);line-height:1.3}.style-token-row>span code{font-size:10px;color:var(--mute);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.style-token-row .color-pair{display:inline-flex;align-items:center;gap:6px;margin-left:auto}.style-token-row .color-pair input[type=color]{width:28px;min-width:28px;height:22px;padding:2px;border:1px solid var(--line);border-radius:3px;cursor:pointer}.style-token-row .color-pair .hex-text{width:76px;min-width:0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11.5px;padding:3px 6px;border:1px solid var(--line);border-radius:3px;background:#fff;color:var(--ink);text-transform:lowercase}.gallery-pane-header .gallery-count{font-size:11px;color:var(--mute);letter-spacing:.4px}.shell-footer{display:flex;align-items:center;gap:16px;padding:0 18px;background:var(--panel);border-top:1px solid var(--line);font-size:11.5px;color:var(--mute)}.shell-footer .hint{letter-spacing:.3px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.shell-footer .footer-status{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px}.brand-footer{display:flex;align-items:center;justify-content:center;gap:8px;background:#1c1c1a;color:#b8b3a4;font-size:10.5px;letter-spacing:1.4px;text-transform:uppercase}.brand-footer a{color:inherit;text-decoration:none;border-bottom:1px dotted #5a5650;padding-bottom:1px}.brand-footer a:hover{color:#fff;border-bottom-color:#fff}.btn{font-family:inherit;font-size:12.5px;padding:5px 12px;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:4px;cursor:pointer;line-height:1.4}.btn:hover{background:#f5f2ea}.btn.danger{color:var(--danger);border-color:var(--danger)}.btn.danger:hover{background:#fdf1ef}.btn[disabled]{cursor:not-allowed;opacity:.6}.btn-mini{background:transparent;border:1px solid var(--line);border-radius:4px;padding:2px 8px;cursor:pointer;font-size:13px;line-height:1}.btn-mini:hover{background:var(--bg)}#svg-root.mode-view g.box,#svg-root.mode-view g.center,#svg-root.mode-view g.connector{cursor:default}#svg-root.mode-draw g.box{cursor:grab}#svg-root.mode-draw g.box:active{cursor:grabbing}#svg-root.mode-draw g.connector{cursor:pointer}#svg-root.mode-connect g.box,#svg-root.mode-connect g.center,#svg-root.mode-connect g.connector{cursor:pointer}.inspector{position:fixed;width:220px;background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:10px 12px;box-shadow:0 6px 20px #00000014;z-index:5;display:flex;flex-direction:column;gap:8px;font-size:12px}.inspector[hidden]{display:none}.inspector .field input{width:100%;min-width:0;font-size:12px;padding:4px 7px}.shape-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:4px}.shape-grid button{font-family:inherit;background:#fff;border:1px solid var(--line);border-radius:4px;padding:3px;cursor:pointer;display:flex;align-items:center;justify-content:center;min-width:0;overflow:hidden}.shape-grid button.active{border-color:var(--accent);background:#eef4ff}.shape-grid button:hover:not(.active){background:#f7f4ec}.shape-grid svg{display:block;pointer-events:none;width:100%;height:auto;max-height:28px}.inspector-footer{display:flex;justify-content:flex-end}.inspector-footer[hidden]{display:none}.flash{position:fixed;bottom:80px;left:50%;transform:translate(-50%,20px);padding:9px 18px;background:var(--ink);color:#fff;font-size:13px;border-radius:4px;opacity:0;transition:opacity .2s,transform .2s;z-index:10;pointer-events:none}.flash.show{opacity:1;transform:translate(-50%)}.flash.error{background:var(--danger)}.page-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:var(--bg);overflow-y:auto;display:flex;flex-direction:column}.page-overlay[hidden]{display:none}.page-overlay-bar{position:sticky;top:0;z-index:1;display:flex;align-items:center;gap:16px;padding:10px 20px;background:var(--panel);border-bottom:1px solid var(--line)}.page-overlay-title{font-size:14px;font-weight:600;letter-spacing:.4px;margin:0;color:var(--ink);flex:1 1 auto}.page-overlay-hint{font-size:11px;letter-spacing:.3px;color:var(--mute)}.page-overlay-close{background:transparent;border:1px solid var(--line);border-radius:4px;width:28px;height:28px;font-size:16px;line-height:1;color:var(--mute);cursor:pointer}.page-overlay-close:hover{color:var(--ink);border-color:var(--ink)}.page-overlay-body{flex:1 1 auto}.page-overlay-loading,.page-overlay-error{padding:40px;text-align:center;font-size:13px;color:var(--mute)}.page-overlay-error{color:var(--danger)}.help-page{max-width:720px;margin:0 auto;padding:32px 28px 96px}.help-header{border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:24px}.help-header h1{font-size:18px;font-weight:600;margin:0 0 6px;letter-spacing:.4px}.help-note{margin:0;font-size:12px;color:var(--mute)}.help-section{margin-top:24px}.help-section h2{font-size:11px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:var(--mute);margin:0 0 10px}.help-list{display:grid;grid-template-columns:max-content 1fr;gap:8px 24px;margin:0}.help-list dt{display:flex;align-items:center;gap:6px;white-space:nowrap}.help-list dd{margin:0;font-size:13px;color:var(--ink);align-self:center}.help-list kbd{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;border:1px solid var(--line);border-bottom-width:2px;border-radius:3px;padding:1px 6px;background:var(--panel);color:var(--ink)}.help-list .help-plus{color:var(--mute);font-size:10px}.ds-page{display:block;max-width:1100px;margin:0 auto;padding:32px 28px 96px}.ds-header{display:flex;align-items:baseline;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:24px}.ds-header h1{font-size:18px;font-weight:600;margin:0;letter-spacing:.4px}.ds-header .ds-back{font-size:12px;color:var(--mute);text-decoration:none;border-bottom:1px dotted var(--line)}.ds-header .ds-back:hover{color:var(--ink)}.ds-section{margin:28px 0;padding-top:18px;border-top:1px solid #ece7d8}.ds-section:first-of-type{border-top:0;padding-top:0}.ds-section h2{font-size:13px;font-weight:600;margin:0 0 4px;letter-spacing:1px;text-transform:uppercase;color:var(--mute)}.ds-section p.ds-note{font-size:12.5px;color:var(--mute);margin:0 0 14px}.ds-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;padding:14px;background:var(--panel);border:1px solid var(--line);border-radius:6px;margin-bottom:10px}.ds-stack{display:flex;flex-direction:column;gap:10px;padding:14px;background:var(--panel);border:1px solid var(--line);border-radius:6px}.ds-caption{font-size:11px;color:var(--mute);letter-spacing:.4px;text-transform:uppercase;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.ds-swatch{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink)}.ds-swatch .chip{width:28px;height:28px;border-radius:4px;border:1px solid var(--line)}.ds-shapes{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}.ds-shape-tile{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 8px;border:1px solid var(--line);border-radius:4px;background:#fff;font-size:11px;color:var(--mute)}.ds-shape-tile svg{display:block}.ds-shape-table{border-collapse:collapse;font-size:12px}.ds-shape-table th,.ds-shape-table td{border:1px solid var(--line);padding:10px 14px;text-align:center;background:#fff}.ds-shape-table thead th{font-weight:600;font-size:11px;letter-spacing:.4px;text-transform:uppercase;color:var(--mute);background:var(--bg)}.ds-shape-table tbody th{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:500;text-align:left;color:var(--ink)}.ds-shape-table td svg{display:block;margin:0 auto}.ds-preview{border:1px dashed #c8c4b8;border-radius:6px;overflow:hidden;background:var(--bg)}.ds-preview .masthead,.ds-preview .context-actions,.ds-preview .shell-footer,.ds-preview .brand-footer,.ds-preview .message-bar{border-radius:0}