:root{color-scheme:light;--ink:#202c35;--muted:#6b7782;--line:#e0e6e9;--green:#167464;--soft:#e7f3ee;--blue:#556dc7;--paper:#fff;--canvas:#f5f7f9;font-family:-apple-system,BlinkMacSystemFont,'Noto Sans Thai','Segoe UI',sans-serif;font-size:16px;line-height:1.5;color:var(--ink)}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer;color:inherit;border:1px solid var(--line);border-radius:8px;background:white;padding:7px 12px;font-size:14px}button:hover{background:#f0f5f3;border-color:#b7cfc5}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid #718ddc;outline-offset:3px}input,select{min-width:0;border:1px solid var(--line);border-radius:7px;padding:9px;width:100%;background:#fff;color:var(--ink)}p,h1,h2,h3{margin:0}p{line-height:1.65}h2{font-size:18px}a{color:var(--green)}[hidden]{display:none!important}
.topbar{height:64px;display:flex;align-items:center;gap:20px;padding:0 24px;border-bottom:1px solid var(--line);font-size:14px}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-size:24px;font-weight:750;letter-spacing:-1px}.brandmark{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:var(--green);color:white;font:italic 28px Georgia}.divider{font-weight:300;color:#c4ccd1;margin-left:16px}.top-spacer{flex:1}.draft-badge{font-size:12px;letter-spacing:1px;border:1px solid #ccdacf;padding:3px 8px;border-radius:5px;color:var(--green)}.save-state{color:var(--muted);font-size:13px}
.workspace{display:grid;grid-template-columns:256px minmax(0,1fr) 260px;height:calc(100dvh - 64px);min-height:550px}.library{border-right:1px solid var(--line);padding:24px 18px;display:flex;flex-direction:column;min-height:0}.section-label,.eyebrow{font-size:12px;letter-spacing:1.5px;font-weight:700;color:var(--muted)}.library-heading{display:flex;justify-content:space-between;align-items:center;margin:12px 0 5px}.icon-button{padding:2px 9px;font-size:21px}.subtle{font-size:14px;color:var(--muted)}.tabs{display:flex;gap:3px;padding:4px;background:#f1f4f5;border-radius:9px;margin:20px 0 14px}.tabs button{flex:1;padding:5px;border:0;background:transparent}.tabs button.active{background:white;color:var(--green);box-shadow:0 1px 4px #0001}.search{display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;padding-left:10px}.search input{border:0;background:transparent;font-size:14px}.catalog{overflow:auto;margin:15px -5px 0;padding:4px 5px;flex:1}.catalog-item{display:flex;gap:10px;padding:12px 0;border-bottom:1px solid #edf0f2;align-items:center;cursor:grab}.catalog-item .copy{flex:1;min-width:0}.catalog-item strong{display:block;font-size:14px;line-height:1.5;font-weight:600}.catalog-item small{display:block;font-size:12px;color:var(--muted);margin-top:3px}.catalog-item button{padding:2px 6px;flex:none}.cover{width:40px;height:56px;border-radius:3px 5px 5px 3px;flex:none;display:flex;align-items:center;justify-content:center;background:var(--cover,#344c68);color:white;font:600 11px/1.2 Georgia,serif;letter-spacing:.5px;box-shadow:inset 4px 0 #ffffff21,0 3px 6px #0001;text-align:center;padding:5px}.cover.course{border-radius:7px;width:40px;height:40px;font:18px sans-serif;box-shadow:none}.library-foot{border-top:1px solid var(--line);padding-top:16px;font-size:13px;margin-top:15px}.library-foot p{color:var(--muted);margin-top:4px}
main{min-width:0;display:flex;flex-direction:column;min-height:0}.path-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:26px 28px 22px}.eyebrow span{font-weight:400;letter-spacing:0}.path-heading h1{font-size:25px;line-height:1.3;letter-spacing:-.7px;margin:6px 0}.path-heading p{font-size:14px;color:var(--muted)}.secondary{white-space:nowrap}.toolbar{display:flex;align-items:center;gap:5px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:10px 18px;flex-wrap:wrap}.toolbar button{border-color:transparent;padding:5px 8px;font-size:14px}.snap-toggle{display:flex;align-items:center;gap:7px;white-space:nowrap;font-size:14px}.snap-toggle input{width:16px;accent-color:var(--green)}.tool-separator{height:21px;border-right:1px solid var(--line);margin:0 6px}.viewport{position:relative;flex:1;overflow:hidden;background:var(--canvas);background-image:radial-gradient(#c7d2d9 1px,transparent 1px);background-size:24px 24px;touch-action:none;cursor:grab;min-height:330px}.world{position:absolute;left:0;top:0;width:4000px;height:2600px;transform-origin:0 0;pointer-events:none}.world>*{pointer-events:none}.canvas-footer{display:flex;justify-content:space-between;gap:10px;padding:10px 18px;font-size:12px;color:var(--muted);border-top:1px solid var(--line)}
.group{position:absolute;border:1.5px solid #bed6ca;border-radius:16px;background:#e9f1eb70;pointer-events:auto}.group[data-tone="blue"]{background:#e8edf660;border-color:#c3cfe6}.group.selected{outline:2px solid var(--green);outline-offset:3px}.group-header{display:flex;align-items:center;gap:10px;padding:13px 16px;cursor:grab;border-bottom:1px solid #ccdacf80;font-size:14px;font-weight:650}.group-header small{color:var(--muted);font-size:12px;font-weight:400}.resize-handle{position:absolute;right:3px;bottom:3px;width:22px;height:22px;cursor:nwse-resize;pointer-events:auto;border-right:3px solid #afc4b8;border-bottom:3px solid #afc4b8;border-radius:0 0 8px 0}
.node{position:absolute;width:240px;height:144px;border:1px solid #d3dce2;background:white;border-radius:11px;box-shadow:0 3px 8px #23344109;pointer-events:auto;cursor:grab;user-select:none}.node.selected{border:2px solid var(--green);box-shadow:0 0 0 4px #16746415,0 5px 18px #23344110}.node-head{display:flex;gap:12px;padding:16px 16px 10px;height:102px}.node-head .copy{min-width:0}.node-type{font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin-bottom:4px}.node h3{font-size:14px;line-height:1.45;font-weight:650;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.node-bottom{display:flex;align-items:center;gap:10px;padding:0 16px;font-size:12px;color:var(--muted)}.progress-track{height:4px;background:#e9efec;flex:1;border-radius:5px;overflow:hidden}.progress-fill{height:100%;background:var(--green)}.port{position:absolute;top:59px;width:18px;height:24px;border:2px solid #a9bdb3;background:white;border-radius:10px;padding:0;z-index:5;cursor:crosshair}.port.in{left:-10px}.port.out{right:-10px}.port:hover,.port.connect-target{background:var(--green);border-color:var(--green);box-shadow:0 0 0 5px #16746425}.edges{position:absolute;left:0;top:0;overflow:visible}.edge{fill:none;stroke:#94a9a1;stroke-width:2;marker-end:url(#arrow)}.edge.selected{stroke:var(--green);stroke-width:3}.edge-hit{fill:none;stroke:transparent;stroke-width:18;pointer-events:stroke;cursor:pointer}.pending{fill:none;stroke:var(--green);stroke-width:2;stroke-dasharray:6 5;marker-end:url(#arrow)}.guide{position:absolute;pointer-events:none;background:#db5e98}.guide.x{width:1px;height:2600px;top:0}.guide.y{height:1px;width:4000px;left:0}.guide-label{position:absolute;background:#fff;color:#b72d71;border:1px solid #db5e98;border-radius:4px;padding:2px 5px;font-size:12px}.canvas-empty{position:absolute;top:45%;width:100%;text-align:center;color:var(--muted);pointer-events:none}
.workspace,.library,.catalog{min-width:0}.catalog-item{flex-shrink:0}
.port{top:61px;width:20px;height:20px;border-radius:50%}
.port.in{left:-11px}.port.out{right:-11px}
.port.out{opacity:0;pointer-events:none;background:#159b91;border-color:#159b91;box-shadow:none;transition:opacity .12s,box-shadow .12s}
.node:hover .port.out,.node:focus-within .port.out,.port.out.link-source{opacity:1;pointer-events:auto}
.port.out:hover,.port.out:focus-visible,.port.out.link-source{background:#087f79;border-color:#087f79;box-shadow:0 0 0 5px #159b9125}
.port.in.connect-target{background:white;border-color:var(--green);box-shadow:0 0 0 4px #16746415}
.port.in.connect-target:hover,.port.in.connect-target:focus-visible{background:var(--green);box-shadow:0 0 0 6px #16746425}
@media(hover:none){.node.selected .port.out{opacity:1;pointer-events:auto}}
.inspector{border-left:1px solid var(--line);padding:24px 20px;overflow:auto;display:flex;flex-direction:column;gap:24px}.inspector h2{font-size:18px;line-height:1.5;margin:10px 0}.inspector p{font-size:14px;color:var(--muted)}.detail-cover .cover{width:64px;height:88px;font-size:16px}.detail-cover .course{height:64px}.detail-tag{font-size:12px;color:var(--green);background:var(--soft);padding:3px 8px;display:inline-block;border-radius:5px;margin-top:16px}.detail-row{display:flex;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line);padding:13px 0;font-size:14px}.detail-row span:first-child{color:var(--muted)}.inspector label{font-size:14px;display:grid;gap:7px;margin:16px 0}.inspector button.wide{width:100%;margin-top:12px}.danger{color:#a2484f}.primary{background:var(--green);color:#fff;border-color:var(--green)}.primary:hover{background:#105c4f;color:#fff}.demo-note{margin-top:auto;background:#f4f6f8;border:1px solid var(--line);border-radius:10px;padding:14px;font-size:14px}.demo-note p{font-size:13px;margin:5px 0 10px}.text-button{border:0;background:transparent;padding:0;color:var(--green);font-size:13px;text-align:left}.help-list{padding-left:18px;font-size:14px;color:var(--muted)}.help-list li{margin:12px 0}.toast{position:fixed;bottom:35px;left:50%;transform:translateX(-50%) translateY(15px);opacity:0;pointer-events:none;background:#223a32;color:white;padding:11px 20px;border-radius:10px;font-size:14px;transition:.2s;z-index:20;max-width:90vw}.toast.show{opacity:1;transform:translateX(-50%)}dialog{border:1px solid var(--line);border-radius:16px;padding:24px;width:min(440px,90vw);box-shadow:0 20px 80px #0002}dialog::backdrop{background:#1f302e66}dialog label{display:grid;gap:6px;margin:16px 0;font-size:14px}.dialog-head{display:flex;align-items:center;justify-content:space-between}dialog .primary{width:100%;margin-top:6px}
/* Library-aligned application shell; geometry/ports retain their existing sizes. */
body{background:var(--paper)}.topbar{height:76px;background:#1f3d34;color:#dce7dd;border:0;padding:0 28px;gap:28px}.brand{font-size:29px;letter-spacing:-1.4px;color:#fff;gap:10px}.brand-dot{color:var(--gold);margin-left:-9px}.cairn-mark{width:25px;display:flex;align-items:center;flex-direction:column;gap:3px}.cairn-mark i{display:block;height:6px;background:var(--gold);border-radius:65% 45% 40% 40%}.cairn-mark i:nth-child(1){width:11px;transform:rotate(-10deg)}.cairn-mark i:nth-child(2){width:19px;transform:rotate(5deg)}.cairn-mark i:nth-child(3){width:25px}.app-nav{display:flex;align-items:center;gap:8px}.app-nav a{padding:10px 16px;text-decoration:none;color:#b9ccc2;font-size:13px;border-radius:7px}.app-nav a[aria-current]{background:#37564a;color:#fff}.app-nav a:hover{background:#304d42}.draft-badge{font-size:9px;letter-spacing:1.4px;color:#d5bd86;border-color:#597165}.save-state{font-size:10px;color:#a9bfb1}.workspace{height:calc(100dvh - 76px);grid-template-columns:260px minmax(0,1fr) 250px}.library,.inspector{background:#fff;padding:28px 20px}.section-label,.eyebrow{font-size:9px;letter-spacing:1.8px;color:#8c977e}.library-heading{margin:14px 0 8px}.library-heading h2{font-size:18px;font-weight:550}.subtle{font-size:12px}.add-library{font-size:22px;text-decoration:none;padding:0 5px}.catalog-tools{display:flex;align-items:center;justify-content:space-between;margin-top:20px;color:var(--muted);font-size:10px}.catalog-tools button{padding:4px 9px;font-size:11px}.library-state{font-size:10px;line-height:1.7;color:var(--muted);margin:9px 0 0;overflow-wrap:anywhere}.tabs{margin:16px 0 12px;background:#f1f4ed}.tabs button{font-size:11px}.search input{font-size:12px}.catalog-item{gap:10px;padding:16px 0}.catalog-item strong{font-size:12px;font-weight:550;overflow-wrap:anywhere}.catalog-item small{font-size:10px;line-height:1.7}.catalog-item button{font-size:17px;color:var(--green);background:#edf2e9;border:0}.catalog-empty{padding:24px 3px;line-height:2}.library-foot{font-size:11px;line-height:1.8}.library-foot p{font-size:11px}.path-heading{padding:28px 28px 20px;background:var(--paper)}.path-title{min-width:0;flex:1}.path-heading h1{font-size:35px;font-weight:550;letter-spacing:-1.3px;margin:7px 0 12px}.path-heading h1 span{color:#a4b092}.path-name-label{font-size:10px;color:var(--muted);display:block;max-width:460px}.path-name-label input{font-size:14px;font-weight:550;background:transparent;padding:5px 0;border-radius:0;border:0;border-bottom:1px solid #dce3d5;color:var(--ink)}.path-heading p{margin-top:7px;font-size:10px}.path-heading .secondary{font-size:11px;padding:9px 12px}.toolbar{background:#fff;padding:10px 18px}.toolbar button,.snap-toggle{font-size:11px}.viewport{background-image:radial-gradient(#cdd8c9 1px,transparent 1px)}.canvas-footer{font-size:10px;background:var(--paper)}.canvas-empty{top:32%;padding:20px;line-height:1.8}.empty-path-icon{display:block;color:#98ab8d;font-size:38px;margin-bottom:12px}.canvas-empty strong{display:block;font-size:20px;font-weight:500;color:#526b57}.canvas-empty p{font-size:12px;margin-top:8px}.inspector h2{font-size:16px}.inspector p,.inspector label,.detail-row,.help-list{font-size:12px}.inspector .section-label{margin-bottom:0}.demo-note{background:#eef2e8;font-size:11px;line-height:1.8}.demo-note p,.demo-note button{font-size:11px}.manage-item{display:block;padding:12px 0;font-size:12px;line-height:1.8}.item-warning{margin-top:12px;background:#f1f3eb;border-radius:6px;padding:10px;font-size:11px!important}.node-type{font-size:9px;letter-spacing:.6px}.node{border-color:#d5ded0}.progress-fill{background:#729781}.node.selected{border-color:var(--green)}
@media(min-width:1600px){.workspace{grid-template-columns:280px minmax(0,1fr) 280px}.path-heading{padding:30px 32px}}
@media(max-width:1150px){.workspace{grid-template-columns:220px minmax(0,1fr)}.inspector{position:absolute;right:16px;bottom:62px;z-index:8;background:white;width:245px;max-height:45vh;border:1px solid var(--line);border-radius:12px;padding:16px;box-shadow:0 6px 22px #0001}.inspector .section-label,.demo-note{display:none}.inspector:has(.help-list){display:none}.canvas-footer{flex-direction:column;gap:2px}.path-heading{padding:18px}.path-heading h1{font-size:22px}}
@media(max-width:680px){.topbar{height:auto;min-height:100px;padding:12px;gap:8px;flex-wrap:wrap}.brand{font-size:25px}.app-nav{order:3;width:100%;gap:3px}.app-nav a{flex:1;text-align:center;font-size:11px;padding:7px}.topbar>span:not(.draft-badge):not(.top-spacer){display:none}.workspace{grid-template-columns:1fr;height:auto;min-height:calc(100dvh - 100px)}.library{padding:12px 14px;border-right:0;border-bottom:1px solid var(--line);max-height:275px}.library .section-label,.library .subtle,.library-foot,.search{display:none}.library-heading{margin:0}.catalog-tools{margin-top:6px}.library-state{margin-top:4px}.tabs{margin:6px 0}.catalog{display:flex;margin:0;gap:16px;min-height:70px;overflow:auto}.catalog-item{min-width:220px;padding:5px 0;border:0}.catalog-item .cover{height:44px;width:32px}.path-heading{padding:14px;align-items:flex-start}.path-heading h1{font-size:23px}.path-heading p{font-size:9px}.toolbar{padding:8px}.canvas-footer span:last-child{display:none}.inspector{position:static;width:auto;max-height:none;border-radius:0;box-shadow:none}.viewport{height:430px;flex:none;min-height:300px}}
.cover{position:relative;overflow:hidden}.cover .cover-image{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:white;pointer-events:none}
/* API path management lives outside the edit surface so failed drafts can be retried/exported. */
body{min-height:100dvh;display:flex;flex-direction:column}
.workspace{height:auto;flex:1;min-height:650px}
dialog input[type=checkbox]{width:auto;display:inline-block}
.path-manager{display:flex;align-items:center;gap:8px;padding:12px 24px;background:#fffdf8;border-bottom:1px solid #dce4dd;flex-wrap:wrap}
.path-manager label{display:flex;align-items:center;gap:10px;font-size:12px;color:#5b6c61;min-width:0}
.path-manager select{max-width:280px;min-width:160px;padding:9px;border:1px solid #ccd8ce;border-radius:8px;background:white;color:#244536}
.path-manager button{padding:9px 12px;border:1px solid #d6dfd6;border-radius:8px;background:white;color:#345546;cursor:pointer}
.path-manager .primary,dialog .primary{background:#285642;color:white;border-color:#285642}
.path-manager button:disabled{opacity:.45;cursor:default}
.path-message{margin:0;padding:0 24px;background:#fff5df;color:#685626;font-size:13px;line-height:1.8}
.path-message:not(:empty){padding-top:8px;padding-bottom:8px}
.path-message.error{background:#fff0ed;color:#8c3d31}
dialog{width:min(640px,calc(100vw - 32px));max-height:85vh;overflow:auto;border:1px solid #ccd8ce;border-radius:18px;padding:28px;color:#284638;box-shadow:0 24px 100px #18322233}
dialog::backdrop{background:#18322266}
dialog label{display:block;margin:16px 0;font-size:14px}
dialog select,dialog input[type=file]{display:block;width:100%;margin-top:8px;padding:10px;border:1px solid #ccd8ce;border-radius:8px;background:white}
dialog button{padding:10px 14px;border:1px solid #ccd8ce;border-radius:8px;background:white;cursor:pointer}
dialog button:disabled{opacity:.4;cursor:default}
dialog small{display:block;color:#778579;overflow-wrap:anywhere}
.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}
#importError{color:#a44735}
:root{--muted:#58675d}
.section-label,.eyebrow,dialog small{color:#59694f}
.path-heading h1 span{color:#71835d}
@media(max-width:680px){.path-manager{padding:10px 14px;gap:6px}.path-manager label{width:100%}.path-manager select{flex:1;max-width:none;min-width:0}.path-manager button{font-size:11px;padding:8px}.path-manager .top-spacer{display:none}.path-message{padding-left:14px;padding-right:14px}}
/* Paths: a compact collection, then a canvas-first editor. No graph/data changes. */
.path-page [data-icon]{display:inline-flex;align-items:center;justify-content:center;flex:none}.path-page [data-icon] svg,.path-menu-panel button>svg{width:20px;height:20px;flex:none}
.path-page #pathActions .path-menu-panel button{display:flex;align-items:center;gap:12px;line-height:1.5}.path-page #pathActions .path-menu-panel button:disabled{opacity:.45;cursor:not-allowed;background:transparent}
.toolbar .history-tools{display:flex;flex:none;border:1px solid var(--line);border-radius:10px;background:#fff;margin-left:6px;overflow:hidden}.toolbar .history-tools button{display:grid;place-items:center;min-width:44px;width:44px;height:44px;padding:0;border:0;border-radius:0;background:transparent;color:var(--green);box-shadow:none}.toolbar .history-tools button+button{border-left:1px solid var(--line)}.toolbar .history-tools button:hover:not(:disabled){background:var(--soft)}.toolbar .history-tools button:active:not(:disabled){background:#dce8dc}.toolbar .history-tools button:focus-visible{outline:2px solid var(--green);outline-offset:-4px;border-radius:8px}.toolbar .history-tools button:disabled{color:#a7b3ad;opacity:1;background:#f7f9f6;cursor:default}.toolbar .history-tools svg{width:21px;height:21px;stroke-width:1.8}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.editor-panel #details{min-height:0;overflow:auto}.editor-panel .panel-heading{flex:none}.editor-panel #connectNode{border-color:var(--green);color:var(--green);background:var(--soft)}
@media(max-width:899px){.editor-panel .detail-cover,.editor-panel .detail-tag{display:none}.editor-panel #details h2{margin:4px 0;font-size:16px}.editor-panel #details label{margin:10px 0}.editor-panel .detail-row{padding:9px 0}.editor-panel .manage-item{padding:8px 0}.editor-panel #details button.wide{margin-top:6px}}
.path-page:has(#pathEditor:not([hidden])){height:100dvh;min-height:0;overflow:hidden}
.paths-page{width:min(1120px,100%);margin:0 auto;padding:24px 32px;overflow:auto;flex:1;display:block}
.paths-tools{display:flex;align-items:center;gap:12px;margin-bottom:24px}.paths-tools h1{font-size:21px;white-space:nowrap;margin-right:auto}.paths-tools select{width:115px}.paths-tools input{width:240px}.paths-tools button{min-height:44px;white-space:nowrap}
#pathsMessage{color:var(--muted);font-size:14px;margin-bottom:12px}.paths-empty{text-align:center;padding:80px 16px;color:var(--muted);border:1px dashed var(--line);border-radius:14px}
.path-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:24px;align-items:start}.path-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:18px;min-width:0;transition:border-color .2s,box-shadow .2s}.path-card-link{display:block;min-width:0;text-decoration:none;color:var(--ink)}.path-card-copy{display:block;padding:20px 64px 22px 20px}.path-card h2{font-size:18px;line-height:1.5;font-weight:600;overflow-wrap:anywhere;margin:0}.path-card small{display:block;color:var(--muted);font-size:12px;margin-top:8px}.path-card>.path-menu{position:absolute;right:12px;bottom:16px}.path-card:hover{border-color:#9aafa0;box-shadow:0 8px 24px #254b3410}.path-art{position:relative;overflow:hidden;isolation:isolate;background:radial-gradient(ellipse at 76% 23%,#f1d9a5 0 8%,transparent 8.5%),linear-gradient(160deg,#e9eee5 30%,#cbd8c9 70%,#92ae9d)}.path-art:before,.path-art:after{content:"";position:absolute;width:105%;height:90%;border-radius:50%;background:#a7bcaa;left:-30%;top:65%;transform:rotate(-15deg);z-index:-1}.path-art:after{background:#668a77;left:40%;top:72%;transform:rotate(16deg)}.path-card-art{display:block;aspect-ratio:16/9;border-radius:17px 17px 0 0}.path-stones{position:absolute;left:28%;bottom:20%;width:22%;height:35%;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:3%;transform:rotate(-4deg)}.path-stones i{display:block;height:25%;width:45%;background:#6a8378;border-radius:48% 52% 44% 42%;box-shadow:inset -4px -3px 0 #254b341a}.path-stones i:nth-child(2){width:65%;background:#476e5a}.path-stones i:nth-child(3){width:90%;background:#2e5546}.path-art .path-cover-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}.path-page #pathEditor .path-cover-button{width:68px;height:44px;flex:none;padding:0;border-radius:8px}.path-cover-preview{aspect-ratio:16/9;border-radius:12px;margin-top:16px}.path-cover-preview .path-cover-image{object-fit:contain}#pathCoverDialog{width:min(780px,calc(100vw - 32px))}#pathCoverDialog fieldset{border:0;padding:0;margin:0;min-width:0}#pathCoverDialog .dialog-actions .primary{width:auto;margin:0}#pathCoverMessage{font-size:14px;overflow-wrap:anywhere}.path-card:focus-within{border-color:var(--green)}
#pathEditor{display:flex;flex:1;flex-direction:column;min-height:0}
.path-page #pathEditor .path-manager{padding:10px 20px;gap:12px;flex-wrap:nowrap;background:var(--surface);min-height:66px;z-index:21}
#pathName{flex:1;min-width:50px;max-width:600px;border-color:transparent;background:transparent;font-weight:600;font-size:18px;text-overflow:ellipsis;padding:8px}.path-manager #pathName:hover{border-color:var(--line)}
.path-manager #saveState{margin-left:auto;max-width:230px;line-height:1.4;font-size:12px;color:var(--muted)}.path-manager #savePath{white-space:nowrap;min-height:44px}.path-manager #backPaths{width:44px;height:44px;padding:0;flex:none}
.path-menu{position:relative;flex:none}.path-menu summary{list-style:none;cursor:pointer;border:1px solid var(--line);border-radius:9px;min-height:44px;min-width:44px;display:flex;align-items:center;justify-content:center;padding:8px 12px;font-weight:600;font-size:15px;background:white;white-space:nowrap}.path-menu summary::-webkit-details-marker{display:none}.path-menu[open]>summary{background:var(--soft);border-color:var(--green)}.path-menu summary:focus-visible{outline:3px solid #547d69;outline-offset:3px}
.path-menu-panel{position:absolute;right:0;top:calc(100% + 8px);width:260px;max-width:calc(100vw - 32px);background:white;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px #213c351c;padding:10px;z-index:25}.path-menu-panel button,.path-menu-panel a{display:block;width:100%;text-align:left;text-decoration:none;padding:12px;font-size:14px;border:0;background:white;color:var(--ink);border-radius:7px;min-height:44px}.path-menu-panel button:hover,.path-menu-panel a:hover{background:var(--soft)}.path-menu-panel label{display:block;font-size:12px;padding:8px}.path-menu-panel select{display:block;width:100%;max-width:100%;margin-top:6px}.path-menu-panel hr{border:0;border-top:1px solid var(--line);margin:8px}.path-menu-panel #archivePath{color:#974239}
.path-page #pathEditor .workspace{display:block;position:relative;overflow:hidden;min-height:0;flex:1;height:auto}
.canvas-main{height:100%;position:relative}.path-page #pathEditor .viewport{min-height:0;height:auto;flex:1}
.toolbar{padding:8px 20px;border-top:0;gap:6px;flex-wrap:nowrap;flex:none;z-index:12}.toolbar button{min-height:40px;min-width:40px;font-size:14px}.toolbar #addMenu .path-menu-panel{left:0;right:auto}.toolbar #showDetails{font-size:12px}.toolbar #selectionTools{display:flex;white-space:nowrap}
.zoom-tools{position:absolute;right:20px;bottom:20px;display:flex;gap:2px;padding:4px;border:1px solid var(--line);border-radius:12px;background:white;box-shadow:0 4px 16px #213c350a}.zoom-tools button{border:0;min-height:40px;min-width:40px;font-size:14px}
.canvas-empty{pointer-events:none}.canvas-empty button{pointer-events:auto;margin-top:20px;min-height:44px;color:white;background:var(--green)}
.path-page #pathEditor .editor-panel{position:absolute;top:68px;bottom:80px;width:300px;max-height:none;padding:18px;background:white;border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 36px #213c3520;z-index:15;overflow:auto;display:flex;flex-direction:column;gap:0}.path-page #pathEditor .library{left:16px;right:auto}.path-page #pathEditor .inspector{right:16px;left:auto}
.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:12px}.panel-heading h2{margin:0;font-size:16px}.panel-heading button{width:40px;height:40px;padding:0;font-size:23px;flex:none}.editor-panel .search{display:flex;flex:none}.editor-panel .catalog{display:block;min-height:100px;overflow:auto}.editor-panel .catalog-item{min-width:0;padding:12px 0}.editor-panel .catalog-item button{width:44px;height:44px}.editor-panel .add-library{font-size:12px;padding:0}.editor-panel .catalog-tools{margin-top:12px}.editor-panel .subtle{font-size:12px}.editor-panel .inspector h2{margin-top:8px}.editor-panel button.wide{min-height:44px}.editor-panel .tabs button{min-height:40px}
#connectionHint{padding:8px 20px;background:var(--soft);font-size:13px;color:var(--green);display:flex;align-items:center;justify-content:space-between;gap:8px}.node.available{outline:3px solid var(--green);outline-offset:5px;cursor:pointer}
@media(max-width:899px){.paths-page{padding:16px}.paths-tools{gap:8px}.paths-tools h1{display:none}.paths-tools input{width:auto;flex:1;min-width:0}.paths-tools select{width:96px;font-size:13px}.paths-tools #createPath{font-size:0;width:44px;padding:0}.paths-tools #createPath::before{content:'＋';font-size:22px}.paths-tools #createPath span{display:none}.path-cards{gap:16px}.path-page #pathEditor .path-cover-button{width:44px;height:44px}.path-card h2{font-size:17px}
 .path-page #pathEditor .path-manager{padding:8px 12px;gap:6px;min-height:60px}#pathName{font-size:15px;padding:8px 2px}.path-manager #saveState{position:absolute;top:100%;right:12px;pointer-events:none;padding:3px 6px;background:var(--surface);border-radius:0 0 6px 6px;font-size:10px;max-width:190px}.path-manager #savePath{font-size:12px;padding:8px;min-width:66px}.path-manager #backPaths{width:36px;min-width:36px}.path-manager{position:relative}
 .toolbar{padding:18px 12px 8px;gap:2px}.toolbar button{min-width:34px;padding:6px;font-size:12px}.toolbar #showDetails{font-size:11px}.toolbar #selectionTools{position:absolute;top:100%;left:12px;background:white;padding:4px;border:1px solid var(--line);border-radius:8px;box-shadow:0 3px 12px #213c3515}
 .path-page #pathEditor .editor-panel{top:auto;bottom:0;left:0;right:0;width:100%;max-height:48%;height:auto;min-height:180px;border-radius:18px 18px 0 0;padding:12px 16px 20px}.path-page #pathEditor .library,.path-page #pathEditor .inspector{left:0;right:0}.editor-panel .catalog{min-height:60px}.editor-panel .subtle{display:none}.editor-panel .library-state{font-size:10px}.editor-panel .catalog-tools{margin:0}.editor-panel .tabs{margin:8px 0}.editor-panel .panel-heading{margin-bottom:6px}.zoom-tools{right:12px;bottom:12px}.zoom-tools button{min-height:36px;min-width:36px}#connectionHint{font-size:12px;padding:8px 12px}}
#showNotes{display:inline-flex;align-items:center;justify-content:center;gap:7px;flex:none;min-width:44px;min-height:44px}
/* Viewing never moves graph objects. Editing is explicit and lasts only this visit. */
#graphMode{display:inline-flex;align-items:center;justify-content:center;gap:6px;flex:none;min-height:44px;white-space:nowrap;border:1px solid #8da996;color:#285642;background:#f0f5ee;border-radius:9px}
#graphMode svg{width:16px;height:16px;flex:none}
.graph-editing #graphMode{background:#285642;color:white;border-color:#285642}
#pathEditor:not(.graph-editing) .port,#pathEditor:not(.graph-editing) .resize-handle{display:none!important}
#pathEditor:not(.graph-editing) .node,#pathEditor:not(.graph-editing) .group-header{cursor:grab}
#pathEditor .viewport{touch-action:none;overscroll-behavior:contain}
.move-handle{position:absolute;right:8px;top:-24px;width:44px;height:44px;min-width:44px;min-height:44px;display:grid;place-items:center;padding:0;border:1px solid #285642;border-radius:10px;background:#285642;color:white;font-size:26px;cursor:grab;touch-action:none;z-index:5}
.group>.move-handle{right:12px;top:4px}
.move-handle{transform:scale(var(--inverse-zoom,1));transform-origin:bottom right}
.group>.move-handle{transform-origin:top right}
.graph-editing .port{transform:scale(var(--inverse-zoom,1));transform-origin:center}
.graph-editing .port::before{content:'';position:absolute;inset:-12px;border-radius:50%}
.graph-editing .resize-handle{width:44px;height:44px;transform:scale(var(--inverse-zoom,1));transform-origin:bottom right}
.node:has(.move-handle){overflow:visible}
@media(pointer:coarse),(max-width:899px){.graph-editing .node:not(.selected) .port.out,.graph-editing .group:not(.selected) .resize-handle{display:none!important}.graph-editing .node.selected .port.out{opacity:1;visibility:visible;pointer-events:auto}.graph-editing .node{cursor:grab}}
@media(max-width:899px){.toolbar #graphMode{font-size:12px;padding:6px 8px}.toolbar .history-tools{margin-left:2px}.toolbar #addMenu summary{font-size:0;min-width:40px;width:40px;padding:6px}.toolbar #addMenu summary::before{content:'＋';font-size:22px}.toolbar .top-spacer{min-width:0}}
#pathNotesDialog{box-sizing:border-box;position:fixed;inset:16px 16px 16px auto;margin:0;width:min(600px,calc(100vw - 32px));height:calc(100dvh - 32px);max-height:none;max-width:none;padding:28px;border:1px solid var(--line);border-radius:20px;box-shadow:0 16px 64px #17372b25;color:var(--ink);background:#fcfdf9}
#pathNotesDialog[open]{display:flex;flex-direction:column;gap:12px}
#pathNotesDialog::backdrop{background:#17372b30}
#pathNotesDialog .panel-heading{margin:0;flex:none}
#pathNotesDialog .panel-heading h2{font-size:24px}
#pathNotesDialog .note-eyebrow{font-size:10px;letter-spacing:.12em;color:#466652;margin:0 0 8px}
#notesPathName{margin:0;color:#52665d;font-size:13px;overflow-wrap:anywhere}
.notes-modes{display:flex;gap:4px;background:#edf1e9;padding:4px;border-radius:10px;align-self:flex-start;flex:none}
.notes-modes button{min-height:40px;border:0;background:transparent;padding:7px 16px;border-radius:7px}
.notes-modes button[aria-pressed=true]{background:#265b49;color:white}
.markdown-note,#notesEdit{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain}
.markdown-note{padding:8px 4px 24px;line-height:1.9;font-size:15px;overflow-wrap:anywhere}
.markdown-note h3,.markdown-note h4,.markdown-note h5,.markdown-note h6{line-height:1.5;margin:24px 0 8px;color:#234d3c}
.markdown-note h3{font-size:21px}.markdown-note h4{font-size:18px}.markdown-note p{margin:0 0 14px}.markdown-note ul,.markdown-note ol{padding-left:24px;margin:8px 0 18px}.markdown-note li{margin:5px 0}.markdown-note a{color:#205846;text-decoration:underline;text-underline-offset:3px}.markdown-note blockquote{margin:18px 0;padding:12px 16px;border-left:3px solid #648974;background:#edf2e8}.markdown-note code{background:#edf1e9;border-radius:4px;padding:2px 4px;font-size:13px}.markdown-note pre{white-space:pre-wrap;overflow-wrap:anywhere;padding:14px;background:#edf1e9;border-radius:10px}.markdown-note pre code{padding:0}.note-check{color:#28664c}.notes-empty{padding:24px 8px;color:#52665d}
#notesEdit:not([hidden]){display:flex;flex-direction:column;gap:8px}#notesEdit label{font-size:13px}#notesInput{box-sizing:border-box;flex:1;min-height:160px;width:100%;resize:none;padding:14px;border:1px solid #9daa9f;border-radius:10px;font:14px/1.8 ui-monospace,monospace;background:white;color:#243f34}#notesHelp{font-size:12px;line-height:1.6;color:#52665d;margin:0}#notesError{color:#a2362c;font-size:13px;margin:0}#notesError:empty{display:none}.notes-footer{display:flex;gap:12px;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:14px;flex:none}.notes-footer p{margin:0;font-size:12px;color:#52665d}.notes-footer .primary{width:auto;margin:0;min-height:44px;white-space:nowrap}
@media(max-width:899px){#showNotes span{display:none}.toolbar #showDetails{font-size:0;width:34px}.toolbar #showDetails::before{content:'ⓘ';font-size:18px}#pathNotesDialog{inset:0;width:100%;height:100dvh;border:0;border-radius:0;padding:20px 18px;padding-bottom:max(20px,env(safe-area-inset-bottom))}}
@media(max-width:379px){.toolbar{padding-inline:4px}.toolbar #graphMode{gap:4px}.graph-editing .toolbar #showHelp{display:none}}