@import"https://fonts.googleapis.com/css2?family=Caveat:wght@400;500;600;700&family=Kalam:wght@300;400;700&display=swap";.canvas-app{--ink: #1a1a1a;--ink-soft: #4a4a4a;--ink-faint: #8a8a8a;--ink-ghost: #c8c8c8;--paper: #faf7f0;--paper-warm: #f4ede0;--paper-deep: #ebe2ce;--accent: #1a1a1a;--highlight: #ffd84d;--read-glow: #cdebd0;--font-scale: 1;--font-hand-title: "Caveat", "Kalam", cursive;--font-hand-body: "Kalam", "Caveat", cursive;--font-mono: "Courier New", monospace;position:fixed;inset:0;font-family:var(--font-hand-body);color:var(--ink);background:var(--paper);overflow:hidden;font-size:calc(16px * var(--font-scale));-webkit-font-smoothing:antialiased}.canvas-app *{box-sizing:border-box}.canvas-app button{font-family:inherit;color:inherit;cursor:pointer;background:none;border:none;padding:0}.canvas-app h1,.canvas-app h2,.canvas-app h3{font-family:var(--font-hand-title);font-weight:600}.canvas-app .app-shell{display:flex;height:100vh;width:100vw;position:relative}.canvas-app .canvas-area{flex:1;position:relative;overflow:hidden}.canvas-app .welcome-screen{height:100vh;width:100vw;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at top,var(--paper-warm),var(--paper));position:relative;padding:40px}.canvas-app .welcome-screen:before{content:"";position:absolute;inset:0;background-image:linear-gradient(to right,rgba(0,0,0,.04) 1px,transparent 1px),linear-gradient(to bottom,rgba(0,0,0,.04) 1px,transparent 1px);background-size:32px 32px;pointer-events:none}.canvas-app .welcome-paper{position:relative;z-index:1;background:var(--paper);border:2px solid var(--ink);border-radius:4px;padding:56px 64px;max-width:640px;width:100%;box-shadow:3px 3px 0 var(--ink),8px 8px 24px #0000001f;text-align:center}.canvas-app .welcome-eyebrow{font-size:18px;color:var(--ink-soft);margin-bottom:12px;letter-spacing:4px}.canvas-app .welcome-title{font-size:64px;margin:0 0 14px;line-height:1;color:var(--ink)}.canvas-app .welcome-sub{font-size:20px;color:var(--ink-soft);margin:0 0 22px}.canvas-app .ai-settings-panel{margin:0 0 24px;text-align:left}.canvas-app .ai-mode-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-bottom:10px}.canvas-app .ai-mode{border:1.5px solid var(--ink);background:var(--paper-warm);padding:8px 10px;font-size:16px;text-align:center;box-shadow:1px 1px 0 var(--ink);transition:transform .1s,box-shadow .1s,background .1s}.canvas-app .ai-mode:hover:not(:disabled),.canvas-app .ai-mode.is-active{background:var(--highlight);transform:translate(-1px,-1px);box-shadow:2px 2px 0 var(--ink)}.canvas-app .ai-mode:disabled{opacity:.4;cursor:not-allowed}.canvas-app .ai-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding-top:2px}.canvas-app .ai-field{min-width:0;font-family:var(--font-hand-body);font-size:15px;border:1.5px solid var(--ink);background:transparent;color:var(--ink);padding:8px 10px;outline:none}.canvas-app 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0 var(--ink)}.canvas-app .welcome-input::placeholder{color:var(--ink-faint);font-style:italic}.canvas-app .welcome-btn{font-family:var(--font-hand-title);font-size:22px;background:var(--ink);color:var(--paper);border:2px solid var(--ink);padding:12px 24px;box-shadow:2px 2px 0 var(--ink-soft);transition:transform .1s,box-shadow .1s}.canvas-app .welcome-btn:hover:not(:disabled){transform:translate(-1px,-1px);box-shadow:3px 3px 0 var(--ink-soft)}.canvas-app .welcome-btn:disabled{opacity:.35;cursor:not-allowed}.canvas-app .welcome-examples{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:center}.canvas-app .examples-label{font-size:16px;color:var(--ink-faint)}.canvas-app .example-chip{background:transparent;border:1.5px dashed var(--ink-soft);padding:6px 12px;border-radius:99px;font-size:16px;font-family:var(--font-hand-body);color:var(--ink-soft);transition:all .15s}.canvas-app 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.banner-title:after{content:"";position:absolute;left:-4px;right:-4px;bottom:-4px;height:8px;background:var(--highlight);z-index:-1;opacity:.8;transform:skew(-2deg) rotate(-.5deg)}.canvas-app .banner-line{width:200px;height:2px;background:var(--ink);margin-top:12px;border-radius:2px;transform:rotate(-.4deg)}.canvas-app .outline-children{display:flex;flex-direction:column;gap:28px}.canvas-app .node-branch{display:flex;flex-direction:column}.canvas-app .children-rail{display:flex;margin-top:18px;margin-left:36px;gap:18px;position:relative}.canvas-app .rail-line{width:2px;background:repeating-linear-gradient(to bottom,var(--ink-soft) 0 6px,transparent 6px 12px);flex-shrink:0;margin-left:2px;align-self:stretch}.canvas-app .children-list{display:flex;flex-direction:column;gap:18px;flex:1}.canvas-app .node-card{background:var(--paper);border:2px solid var(--ink);border-radius:3px;padding:20px 24px;cursor:pointer;position:relative;box-shadow:3px 3px 0 var(--ink);transition:transform .15s,box-shadow .15s;max-width:800px}.canvas-app .node-card:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--ink)}.canvas-app .node-card.is-open{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--accent)}.canvas-app .node-branch[data-depth="1"] .node-card{background:var(--paper-warm);max-width:720px}.canvas-app .node-branch[data-depth="2"] .node-card{background:var(--paper-deep);max-width:640px}.canvas-app .node-branch[data-depth="3"] .node-card{background:#e0d4b8;max-width:580px}.canvas-app .node-card.is-ai-gen{border-style:dashed;background:#fffbe8}.canvas-app .node-card.is-ai-gen:before{content:"AI";position:absolute;top:-10px;right:14px;background:var(--ink);color:var(--paper);font-family:var(--font-hand-title);font-size:13px;padding:1px 8px;letter-spacing:1px;transform:rotate(2deg)}.canvas-app .node-card.status-loading{cursor:progress;opacity:.85}.canvas-app .card-header{display:flex;align-items:center;gap:10px;margin-bottom:8px}.canvas-app .status-dot{width:10px;height:10px;border-radius:50%;border:1.5px solid var(--ink);flex-shrink:0}.canvas-app .status-unread .status-dot{background:var(--paper)}.canvas-app .status-read .status-dot{background:var(--read-glow)}.canvas-app .status-loading .status-dot{background:var(--highlight);animation:canvas-pulse 1s ease-in-out infinite}.canvas-app .status-mastered .status-dot{background:var(--ink);box-shadow:inset 0 0 0 2px var(--read-glow)}@keyframes canvas-pulse{0%,to{opacity:1}50%{opacity:.4}}.canvas-app .card-title{font-size:26px;margin:0;flex:1;font-family:var(--font-hand-title);line-height:1.1}.canvas-app .node-branch[data-depth="1"] .card-title{font-size:22px}.canvas-app .node-branch[data-depth="2"] .card-title{font-size:20px}.canvas-app .node-branch[data-depth="3"] .card-title{font-size:18px}.canvas-app .card-brief{margin:0 0 8px;font-size:16px;line-height:1.5;color:var(--ink-soft);font-family:var(--font-hand-body)}.canvas-app .card-footer{display:flex;justify-content:flex-end;font-size:14px;color:var(--ink-faint);font-style:italic}.canvas-app .loading-stub{display:flex;align-items:center;gap:8px;padding:10px 0;color:var(--ink-soft);font-size:16px}.canvas-app .loading-dot{width:6px;height:6px;border-radius:50%;background:var(--ink);animation:canvas-bounce 1.2s ease-in-out infinite}.canvas-app .loading-dot:nth-child(2){animation-delay:.15s}.canvas-app .loading-dot:nth-child(3){animation-delay:.3s}@keyframes canvas-bounce{0%,80%,to{transform:translateY(0);opacity:.4}40%{transform:translateY(-4px);opacity:1}}.canvas-app .loading-text{margin-left:4px;font-style:italic}.canvas-app .reading-overlay{position:fixed;inset:0;background:#1a1a1a8c;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);z-index:100;display:flex;align-items:center;justify-content:center;padding:40px 20px;animation:canvas-fadeIn .25s ease-out}@keyframes canvas-fadeIn{0%{opacity:0}to{opacity:1}}.canvas-app .reading-sheet{background:var(--paper);border:2px solid var(--ink);box-shadow:6px 6px 0 var(--ink),12px 12px 40px #0000004d;width:100%;max-width:760px;max-height:88vh;display:flex;flex-direction:column;position:relative;animation:canvas-sheetIn .35s cubic-bezier(.2,1,.3,1)}@keyframes canvas-sheetIn{0%{transform:translateY(20px) scale(.98);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}.canvas-app .sheet-top{display:flex;align-items:center;gap:16px;padding:16px 24px;border-bottom:1.5px dashed var(--ink-soft);flex-shrink:0}.canvas-app .breadcrumbs{flex:1;display:flex;align-items:center;gap:8px;font-size:15px;color:var(--ink-faint);flex-wrap:wrap}.canvas-app .crumb{cursor:pointer;transition:color .1s}.canvas-app .crumb:hover{color:var(--ink);text-decoration:underline;text-decoration-style:wavy}.canvas-app .crumb-root{font-weight:700}.canvas-app .crumb-current{color:var(--ink);cursor:default}.canvas-app .crumb-current:hover{text-decoration:none}.canvas-app .crumb-sep{color:var(--ink-ghost)}.canvas-app .close-btn{background:transparent;border:1.5px solid var(--ink);width:32px;height:32px;border-radius:50%;font-size:16px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .1s}.canvas-app .close-btn:hover{transform:rotate(90deg);background:var(--ink);color:var(--paper)}.canvas-app .sheet-body{padding:28px 36px 32px;overflow-y:auto;flex:1}.canvas-app .sheet-status-row{display:flex;gap:8px;margin-bottom:14px}.canvas-app .status-pill{font-size:13px;padding:2px 10px;border:1.5px solid var(--ink);border-radius:99px;letter-spacing:1px}.canvas-app .status-pill.status-read{background:var(--read-glow)}.canvas-app .status-pill.status-unread{background:var(--paper)}.canvas-app .status-pill.status-loading{background:var(--highlight)}.canvas-app .status-pill.status-mastered{background:var(--ink);color:var(--paper)}.canvas-app .mastered-toggle{font-size:13px;padding:2px 10px;border:1.5px solid var(--ink);background:var(--paper);border-radius:99px;letter-spacing:1px;font-family:inherit;box-shadow:2px 2px 0 var(--ink);transition:transform .1s}.canvas-app .mastered-toggle:hover{background:var(--highlight)}.canvas-app .mastered-toggle.is-on{background:var(--read-glow)}.canvas-app .mastered-toggle:active{transform:translate(1px,1px);box-shadow:1px 1px 0 var(--ink)}.canvas-app .ai-pill{font-size:13px;padding:2px 10px;background:var(--ink);color:var(--paper);border-radius:99px}.canvas-app .sheet-title{font-size:48px;line-height:1.05;margin:0 0 12px}.canvas-app .sheet-brief{font-size:20px;font-style:italic;color:var(--ink-soft);margin:0 0 20px;padding-left:14px;border-left:3px solid var(--ink)}.canvas-app .sheet-detail p{font-size:18px;line-height:1.7;margin:0 0 14px;text-wrap:pretty}.canvas-app .sheet-detail.markdown-body h1,.canvas-app .sheet-detail.markdown-body h2,.canvas-app .sheet-detail.markdown-body h3,.canvas-app .sheet-detail.markdown-body h4{font-family:var(--font-hand-title);color:var(--ink);margin:24px 0 10px;line-height:1.2}.canvas-app .sheet-detail.markdown-body h1{font-size:32px}.canvas-app .sheet-detail.markdown-body h2{font-size:26px;background:linear-gradient(180deg,transparent 60%,var(--highlight) 60%);display:inline-block;padding:0 6px}.canvas-app .sheet-detail.markdown-body h3{font-size:22px}.canvas-app .sheet-detail.markdown-body h4{font-size:19px}.canvas-app .sheet-detail.markdown-body ul,.canvas-app .sheet-detail.markdown-body ol{font-size:18px;line-height:1.7;margin:0 0 14px;padding-left:28px}.canvas-app .sheet-detail.markdown-body ul{list-style-type:disc}.canvas-app .sheet-detail.markdown-body ol{list-style-type:decimal}.canvas-app .sheet-detail.markdown-body ul ul{list-style-type:circle}.canvas-app .sheet-detail.markdown-body ul ul ul{list-style-type:square}.canvas-app .sheet-detail.markdown-body li{margin:4px 0}.canvas-app .sheet-detail.markdown-body li>p{margin:0}.canvas-app .sheet-detail.markdown-body strong{background:linear-gradient(180deg,transparent 60%,var(--highlight) 60%);padding:0 2px;font-weight:700}.canvas-app .sheet-detail.markdown-body em{font-style:italic;color:var(--ink-soft)}.canvas-app .sheet-detail.markdown-body a{color:var(--ink);text-decoration:underline;text-decoration-style:wavy;text-underline-offset:3px}.canvas-app .sheet-detail.markdown-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;background:var(--paper-warm);border:1px solid var(--ink);border-radius:4px;padding:1px 6px}.canvas-app .sheet-detail.markdown-body pre{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;line-height:1.55;background:var(--paper-warm);border:1.5px solid var(--ink);border-radius:8px;padding:14px 16px;overflow-x:auto;box-shadow:3px 3px 0 var(--ink);margin:14px 0}.canvas-app .sheet-detail.markdown-body pre code{background:transparent;border:none;padding:0;border-radius:0}.canvas-app 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.questions-hint{margin-top:12px;font-size:14px;color:var(--ink-faint);font-style:italic;text-align:center}.canvas-app .side-panel{width:280px;background:var(--paper-warm);border-right:2px solid var(--ink);flex-shrink:0;position:relative;transition:width .25s ease;overflow:hidden}.canvas-app .side-panel.is-collapsed{width:44px}.canvas-app .side-toggle{position:absolute;top:12px;right:8px;width:28px;height:28px;background:var(--paper);border:1.5px solid var(--ink);border-radius:50%;font-size:14px;display:flex;align-items:center;justify-content:center;z-index:2}.canvas-app .side-inner{padding:16px 20px 20px;height:100%;overflow-y:auto}.canvas-app .side-header{margin-bottom:18px;padding-right:28px}.canvas-app .side-eyebrow{font-size:12px;letter-spacing:3px;color:var(--ink-faint);text-transform:uppercase;margin-bottom:4px}.canvas-app .side-title{font-family:var(--font-hand-title);font-size:24px;margin:0;line-height:1.1}.canvas-app .outline-list,.canvas-app 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.outline-text{line-height:1.3}.canvas-app .canvas-topbar{position:absolute;top:14px;left:14px;z-index:5;background:var(--paper);border:1.5px solid var(--ink);padding:6px 14px 6px 6px;display:flex;align-items:center;gap:10px;box-shadow:2px 2px 0 var(--ink);max-width:calc(100vw - 28px)}.canvas-app .topbar-topic{display:flex;align-items:baseline;min-width:0;flex:1 1 auto;overflow:hidden}.canvas-app .topbar-back{width:30px;height:30px;background:transparent;border:1.5px solid transparent;font-size:18px;font-family:var(--font-hand-title);display:flex;align-items:center;justify-content:center;padding:0;line-height:1;border-radius:2px;transition:background .1s,border .1s}.canvas-app .topbar-back:hover{background:var(--highlight);border-color:var(--ink)}.canvas-app .topbar-divider{width:1.5px;align-self:stretch;background:var(--ink-ghost);margin:4px 0}.canvas-app .topbar-eyebrow{font-size:12px;letter-spacing:2px;color:var(--ink-faint);text-transform:uppercase}.canvas-app .topbar-title{font-family:var(--font-hand-title);font-size:20px;margin-left:6px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.canvas-app .topbar-ai{display:inline-flex;align-items:center;margin-left:8px;padding:1px 8px;border:1.5px dashed var(--ink-soft);border-radius:99px;font-size:13px;color:var(--ink-soft);max-width:40%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex-shrink:1}.canvas-app .topbar-progress{display:inline-flex;align-items:center;margin-left:8px;padding:1px 10px;background:var(--read-glow);border-radius:99px;font-size:13px;font-family:var(--font-hand-title);color:var(--ink);white-space:nowrap}@media(max-width:720px){.canvas-app .topbar-progress{font-size:12px;margin-left:4px;padding:0 6px;overflow:hidden;text-overflow:ellipsis;max-width:50%}.canvas-app .canvas-topbar{flex-wrap:wrap;row-gap:6px}}.canvas-app .topbar-view-switch{display:inline-flex;align-items:stretch;gap:0;background:var(--paper-warm);border:1.5px solid var(--ink);box-shadow:1.5px 1.5px 0 var(--ink);flex-shrink:0}.canvas-app .topbar-view-btn{font-family:var(--font-hand-title);font-size:16px;letter-spacing:1px;color:var(--ink-soft);padding:4px 12px;background:transparent;border:none;line-height:1;white-space:nowrap;transition:background .1s,color .1s}.canvas-app .topbar-view-btn+.topbar-view-btn{border-left:1.5px solid var(--ink)}.canvas-app .topbar-view-btn:hover{color:var(--ink);background:var(--paper)}.canvas-app .topbar-view-btn.is-active{background:var(--highlight);color:var(--ink)}@media(max-width:720px){.canvas-app .topbar-view-btn{font-size:14px;padding:4px 8px}}.canvas-app .generation-notice{position:absolute;top:70px;left:14px;z-index:5;max-width:min(560px,calc(100vw - 320px));background:#fffbe8;border:1.5px solid var(--ink);box-shadow:2px 2px 0 var(--ink);padding:8px 12px;font-size:15px;color:var(--ink-soft)}.canvas-app .proactive-dock{position:absolute;top:78px;right:14px;z-index:6;display:flex;flex-direction:column;align-items:flex-end;gap:8px;max-width:min(360px,calc(100vw - 28px))}.canvas-app .proactive-toggle{display:inline-flex;align-items:center;gap:8px;background:var(--paper);border:1.5px solid var(--ink);box-shadow:2px 2px 0 var(--ink);padding:6px 12px;font-family:var(--font-hand-title);font-size:16px;letter-spacing:1px;color:var(--ink);white-space:nowrap;transition:background .1s}.canvas-app .proactive-toggle:hover,.canvas-app .proactive-dock.is-open .proactive-toggle{background:var(--highlight)}.canvas-app .proactive-toggle-label{font-family:var(--font-hand-title)}.canvas-app .proactive-toggle-badge{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;background:var(--ink);color:var(--paper);border-radius:99px;font-family:var(--font-hand-body);font-size:12px;line-height:1}.canvas-app .proactive-panel{background:var(--paper);border:1.5px solid var(--ink);box-shadow:3px 3px 0 var(--ink);padding:10px;width:min(340px,calc(100vw - 28px));max-height:calc(100vh - 170px);overflow-y:auto}.canvas-app .proactive-empty{padding:8px 4px;font-size:14px;color:var(--ink-soft)}.canvas-app .proactive-error{padding:8px 4px;font-size:14px;color:#8a3a1a}.canvas-app .proactive-digest-row{display:flex;justify-content:flex-end;gap:6px;flex-wrap:wrap;padding:0 0 8px}.canvas-app .proactive-digest-pref{padding:0 0 8px}.canvas-app .proactive-digest-btn--settings{background:var(--paper)}.canvas-app .proactive-digest-btn{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;font-family:var(--font-hand-title);font-size:14px;letter-spacing:1px;color:var(--ink);background:var(--paper-warm);border:1.25px solid var(--ink);box-shadow:1.5px 1.5px 0 var(--ink);cursor:pointer;transition:background .1s,transform .05s}.canvas-app .proactive-digest-btn:hover:not(:disabled){background:var(--highlight)}.canvas-app .proactive-digest-btn:active:not(:disabled){transform:translate(1px,1px);box-shadow:0 0 0 var(--ink)}.canvas-app .proactive-digest-btn:disabled{opacity:.55;cursor:not-allowed}.canvas-app .proactive-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.canvas-app .proactive-item{margin:0}.canvas-app .proactive-item-button{width:100%;text-align:left;display:flex;flex-direction:column;gap:4px;padding:8px 10px;background:var(--paper-warm);border:1.25px solid transparent;border-radius:2px;font-family:inherit;color:inherit;cursor:pointer;transition:background .1s,border-color .1s}.canvas-app .proactive-item-button:hover{background:var(--paper-deep);border-color:var(--ink)}.canvas-app .proactive-item--gap .proactive-item-button{background:#fff5cc}.canvas-app .proactive-item--connection .proactive-item-button{background:#e7efe0}.canvas-app .proactive-item-kind{align-self:flex-start;font-family:var(--font-hand-title);font-size:13px;letter-spacing:1px;padding:0 6px;background:var(--ink);color:var(--paper);border-radius:99px}.canvas-app .proactive-item-title{font-family:var(--font-hand-title);font-size:18px;line-height:1.2;word-break:break-word}.canvas-app .proactive-item-reason{font-size:13px;color:var(--ink-soft);line-height:1.4;word-break:break-word}.canvas-app .proactive-item-action{font-family:var(--font-hand-title);font-size:14px;color:var(--ink);word-break:break-word}.canvas-app .proactive-item-actions{display:flex;gap:6px;flex-wrap:wrap;padding:4px 10px 8px}.canvas-app .proactive-item-action-btn{flex:1 1 auto;min-width:56px;padding:4px 10px;font-family:var(--font-hand-title);font-size:14px;letter-spacing:1px;background:var(--paper);color:var(--ink);border:1.25px solid var(--ink);box-shadow:1.5px 1.5px 0 var(--ink);transition:background .1s,transform .05s}.canvas-app .proactive-item-action-btn:hover:not(:disabled){background:var(--highlight)}.canvas-app .proactive-item-action-btn:active:not(:disabled){transform:translate(1px,1px);box-shadow:0 0 0 var(--ink)}.canvas-app .proactive-item-action-btn:disabled{opacity:.55;cursor:not-allowed}.canvas-app .proactive-item-action-btn--complete{background:var(--read-glow)}.canvas-app .proactive-item-action-btn--dismiss{background:var(--paper-warm)}.canvas-app .digest-pref-panel{display:flex;flex-direction:column;gap:8px;padding:8px 8px 6px;background:var(--paper-warm);border:1.25px dashed var(--ink);font-size:13px}.canvas-app .digest-pref-title{font-family:var(--font-hand-title);font-size:16px;letter-spacing:1px;color:var(--ink)}.canvas-app .digest-pref-toggle{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-hand-body);font-size:14px;color:var(--ink);cursor:pointer}.canvas-app .digest-pref-toggle input[type=checkbox]{appearance:none;width:16px;height:16px;border:1.5px solid var(--ink);background:var(--paper);cursor:pointer;position:relative;flex:0 0 auto}.canvas-app .digest-pref-toggle input[type=checkbox]:checked{background:var(--highlight)}.canvas-app .digest-pref-toggle input[type=checkbox]:checked:after{content:"✓";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--ink);line-height:1}.canvas-app .digest-pref-cadence{display:flex;gap:4px;flex-wrap:wrap}.canvas-app .digest-pref-cadence-btn{flex:1 1 auto;min-width:0;padding:3px 8px;font-family:var(--font-hand-title);font-size:14px;letter-spacing:1px;color:var(--ink);background:var(--paper);border:1.25px solid var(--ink);box-shadow:1.5px 1.5px 0 var(--ink);cursor:pointer;transition:background .1s}.canvas-app .digest-pref-cadence-btn:hover:not(:disabled){background:var(--paper-warm)}.canvas-app .digest-pref-cadence-btn.is-active{background:var(--highlight)}.canvas-app .digest-pref-cadence-btn:disabled{opacity:.55;cursor:not-allowed}.canvas-app .digest-pref-email{display:flex;flex-direction:column;gap:3px}.canvas-app .digest-pref-email-label{font-family:var(--font-hand-title);font-size:13px;letter-spacing:1px;color:var(--ink-soft)}.canvas-app .digest-pref-email input{width:100%;min-width:0;padding:4px 8px;font-family:var(--font-hand-body);font-size:13px;color:var(--ink);background:var(--paper);border:1.25px solid var(--ink);box-shadow:1.5px 1.5px 0 var(--ink);outline:none}.canvas-app .digest-pref-email input:focus{background:var(--highlight)}.canvas-app .digest-pref-email input[aria-invalid=true]{border-color:#8a3a1a}.canvas-app .digest-pref-status{display:flex;flex-direction:column;gap:2px;font-size:12px;color:var(--ink-soft);word-break:break-word}.canvas-app .digest-pref-status-row--error{color:#8a3a1a}.canvas-app .digest-pref-error{font-size:13px;color:#8a3a1a}.canvas-app .digest-pref-actions{display:flex;justify-content:flex-end}.canvas-app .digest-pref-save{padding:4px 14px;font-family:var(--font-hand-title);font-size:14px;letter-spacing:1px;color:var(--ink);background:var(--highlight);border:1.25px solid var(--ink);box-shadow:1.5px 1.5px 0 var(--ink);cursor:pointer;transition:background .1s,transform .05s}.canvas-app .digest-pref-save:hover:not(:disabled){background:#ffe680}.canvas-app .digest-pref-save:active:not(:disabled){transform:translate(1px,1px);box-shadow:0 0 0 var(--ink)}.canvas-app .digest-pref-save:disabled{opacity:.55;cursor:not-allowed}@media(max-width:720px){.canvas-app .proactive-dock{top:auto;right:14px;bottom:76px;align-items:flex-end;max-width:calc(100vw - 28px)}.canvas-app .proactive-panel{max-height:calc(100vh - 200px);width:min(320px,calc(100vw - 28px))}}.canvas-app .floating-toolbar{position:absolute;bottom:20px;left:50%;transform:translate(-50%);display:flex;gap:8px;background:var(--paper);border:1.5px solid var(--ink);padding:6px;box-shadow:2px 2px 0 var(--ink);z-index:5}.canvas-app .tool-btn{width:36px;height:36px;background:transparent;border:1.5px solid transparent;font-size:18px;display:flex;align-items:center;justify-content:center;border-radius:2px;transition:background .1s,border .1s}.canvas-app .tool-btn:hover{background:var(--paper-warm);border-color:var(--ink-ghost)}.canvas-app .tool-btn.is-active{background:var(--highlight);border-color:var(--ink)}@media(max-width:760px){.canvas-app .welcome-paper{padding:36px 24px}.canvas-app .welcome-title{font-size:48px}.canvas-app .welcome-form,.canvas-app .ai-fields{grid-template-columns:1fr;flex-direction:column}.canvas-app .ai-mode-row{grid-template-columns:1fr}.canvas-app .generation-notice{max-width:calc(100vw - 28px)}}.canvas-app .tag-color-highlight{--tag-bg: #ffd84d;--tag-fg: #1a1a1a}.canvas-app .tag-color-warm{--tag-bg: #f4ede0;--tag-fg: #1a1a1a}.canvas-app .tag-color-deep{--tag-bg: #ebe2ce;--tag-fg: #1a1a1a}.canvas-app .tag-color-olive{--tag-bg: #d8d68a;--tag-fg: #1a1a1a}.canvas-app .tag-color-rose{--tag-bg: #f4c8c2;--tag-fg: #1a1a1a}.canvas-app .tag-color-sky{--tag-bg: #c8dde6;--tag-fg: #1a1a1a}.canvas-app .tag-color-moss{--tag-bg: #cdebd0;--tag-fg: #1a1a1a}.canvas-app .tag-color-lilac{--tag-bg: #ddd2ec;--tag-fg: #1a1a1a}.canvas-app .card-tag-row{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 2px;min-height:22px}.canvas-app .card-tag-chip{font-family:var(--font-hand-body);font-size:12px;line-height:1;padding:3px 8px;background:var(--tag-bg, var(--paper-warm));color:var(--tag-fg, var(--ink));box-shadow:1px 1px 0 var(--ink);letter-spacing:.5px;white-space:nowrap;max-width:160px;overflow:hidden;text-overflow:ellipsis}.canvas-app .card-tag-chip.tag-origin-ai{font-style:italic}.canvas-app .card-tag-more{font-size:12px;font-family:var(--font-hand-body);color:var(--ink-faint);align-self:center}.canvas-app .tags-editor{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 18px}.canvas-app .tag-chip-list{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}.canvas-app .tag-chip-item{display:inline-flex}.canvas-app .tag-chip{display:inline-flex;align-items:center;gap:4px;font-family:var(--font-hand-body);font-size:14px;line-height:1;padding:5px 10px;background:var(--tag-bg, var(--paper-warm));color:var(--tag-fg, var(--ink));box-shadow:1.5px 1.5px 0 var(--ink);letter-spacing:.5px}.canvas-app .tag-chip.tag-origin-ai{font-style:italic}.canvas-app .tag-chip-origin{font-size:11px;opacity:.75}.canvas-app .tag-chip-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:160px}.canvas-app .tag-chip-remove{width:16px;height:16px;display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-hand-title);font-size:14px;line-height:1;border-radius:50%;color:var(--ink-soft);transition:background .1s,color .1s}.canvas-app .tag-chip-remove:hover{background:var(--ink);color:var(--paper)}.canvas-app .tag-add-form{display:inline-flex;align-items:center;gap:6px}.canvas-app .tag-add-input{font-family:var(--font-hand-body);font-size:14px;line-height:1;padding:5px 8px;border:1.5px dashed var(--ink-soft);background:transparent;color:var(--ink);outline:none;width:120px}.canvas-app .tag-add-input:focus{border-style:solid;border-color:var(--ink);background:#fffbe8}.canvas-app .tag-add-input::placeholder{color:var(--ink-faint);font-style:italic}.canvas-app .tag-add-btn{width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-hand-title);font-size:16px;background:var(--paper);border:1.5px solid var(--ink);border-radius:50%;box-shadow:1.5px 1.5px 0 var(--ink);transition:transform .1s}.canvas-app .tag-add-btn:hover:not(:disabled){background:var(--highlight)}.canvas-app .tag-add-btn:active:not(:disabled){transform:translate(1px,1px);box-shadow:0 0 0 var(--ink)}.canvas-app .tag-add-btn:disabled{opacity:.35;cursor:not-allowed}.canvas-app .outline-tag{display:inline-flex;align-items:center;gap:4px;font-family:var(--font-hand-body);font-size:11px;line-height:1;padding:2px 6px;margin-left:auto;background:var(--tag-bg, var(--paper-warm));color:var(--tag-fg, var(--ink));letter-spacing:.4px;white-space:nowrap;max-width:96px;overflow:hidden;text-overflow:ellipsis}.canvas-app .outline-tag-extra{font-size:10px;color:var(--ink-soft)}.canvas-app ::-webkit-scrollbar{width:8px;height:8px}.canvas-app ::-webkit-scrollbar-thumb{background:var(--ink-ghost);border-radius:4px}.canvas-app ::-webkit-scrollbar-thumb:hover{background:var(--ink-faint)}.canvas-app .recent-research{margin-top:28px;width:100%;max-width:520px;display:flex;flex-direction:column;align-items:center;gap:10px}.canvas-app .recent-research-label{font-family:var(--font-hand-title);font-size:18px;color:var(--ink-faint);letter-spacing:1px}.canvas-app .recent-research-hint,.canvas-app .recent-research-error{font-family:var(--font-hand-body);font-size:14px;color:var(--ink-faint)}.canvas-app .recent-research-error{color:#b04a3a}.canvas-app .recent-research-list{list-style:none;margin:0;padding:0;width:100%;display:flex;flex-direction:column;gap:8px}.canvas-app .recent-research-item{width:100%;display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:8px 14px;background:var(--paper-warm);border:1.5px solid var(--ink-soft);border-radius:6px;box-shadow:2px 2px 0 var(--ink-soft);font-family:var(--font-hand-body);color:var(--ink);text-align:left;cursor:pointer;transition:transform .1s,box-shadow .1s}.canvas-app .recent-research-item:hover{transform:translate(-1px,-1px);box-shadow:3px 3px 0 var(--ink);border-color:var(--ink)}.canvas-app .recent-research-title{font-size:16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0}.canvas-app .recent-research-time{font-size:13px;color:var(--ink-faint);flex-shrink:0}@media(max-width:600px){.canvas-app .recent-research{max-width:100%}.canvas-app .recent-research-item{flex-direction:column;align-items:flex-start;gap:2px}.canvas-app .recent-research-title{white-space:normal}}.canvas-app .tagview-area{position:absolute;inset:0;background:var(--paper);overflow-y:auto;padding:80px 48px}.canvas-app .tagview-header{max-width:980px;margin:0 auto 28px}.canvas-app .tagview-eyebrow{font-size:12px;letter-spacing:4px;color:var(--ink-faint);text-transform:uppercase;margin-bottom:4px}.canvas-app .tagview-title{font-family:var(--font-hand-title);font-size:40px;line-height:1.1;margin:0 0 6px;color:var(--ink);display:inline-block;position:relative}.canvas-app .tagview-title:after{content:"";position:absolute;left:-2px;right:-2px;bottom:-3px;height:6px;background:var(--highlight);z-index:-1;opacity:.7;transform:skew(-2deg) rotate(-.5deg)}.canvas-app .tagview-meta{font-family:var(--font-hand-body);font-size:14px;color:var(--ink-faint);letter-spacing:1px}.canvas-app .tagview-empty{max-width:520px;margin:80px auto;padding:28px 32px;background:var(--paper-warm);font-family:var(--font-hand-body);font-size:16px;color:var(--ink-soft);text-align:center;box-shadow:2px 2px 0 var(--ink)}.canvas-app .tagview-groups{max-width:980px;margin:0 auto;display:flex;flex-direction:column;gap:28px}.canvas-app .tagview-group{background:transparent;padding:0 0 24px;box-shadow:none;border-bottom:1px dashed var(--ink-faint)}.canvas-app .tagview-group:last-child{border-bottom:none;padding-bottom:0}.canvas-app .tagview-group-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}.canvas-app .tagview-group-chip{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-hand-title);font-size:18px;line-height:1;padding:6px 12px;background:var(--tag-bg, var(--paper-warm));color:var(--tag-fg, var(--ink));box-shadow:2px 2px 0 var(--ink);letter-spacing:1px;max-width:100%;overflow:hidden}.canvas-app .tagview-group-chip .tag-chip-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:240px}.canvas-app .tagview-group-count{font-family:var(--font-hand-body);font-size:13px;color:var(--ink-soft);background:var(--paper);padding:2px 10px;border-radius:99px;letter-spacing:1px}.canvas-app .tagview-group-count:before{content:"× ";color:var(--ink-faint)}.canvas-app .tagview-node-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}.canvas-app .tagview-node{width:100%;display:flex;flex-direction:column;gap:8px;text-align:left;background:var(--paper);padding:12px 14px 14px;font-family:var(--font-hand-body);color:var(--ink);border:1.5px solid var(--ink);box-shadow:2px 2px 0 var(--ink);cursor:pointer;transition:transform .12s,box-shadow .12s,background .12s;min-width:0}.canvas-app .tagview-node:hover{transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--ink)}.canvas-app .tagview-node.is-open{background:var(--highlight)}.canvas-app .tagview-node.status-loading{cursor:progress;opacity:.7}.canvas-app .tagview-node-row{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:12px;min-width:0}.canvas-app .tagview-node-row .status-pill,.canvas-app .tagview-node-row .ai-pill{font-size:11px;padding:1px 8px;letter-spacing:1px}.canvas-app .tagview-node-path{flex:1 1 auto;min-width:0;font-size:12px;color:var(--ink-faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.canvas-app .tagview-node-title{font-family:var(--font-hand-title);font-size:20px;line-height:1.2;color:var(--ink);word-break:break-word}.canvas-app .tagview-node-brief{font-size:14px;line-height:1.45;color:var(--ink-soft);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word}.canvas-app 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.member-link{font-family:var(--font-hand-title);font-size:14px;color:var(--ink);text-decoration:none;border-bottom:1.5px solid var(--ink);padding:0 2px 1px;transition:background .1s;white-space:nowrap}.canvas-app .member-link:hover{background:var(--highlight)}.canvas-app .member-main{display:flex;align-items:baseline;gap:6px;min-width:0;overflow:hidden}.canvas-app .member-name{font-family:var(--font-hand-title);font-size:15px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:180px}.canvas-app .member-status-welcome .member-name{font-size:18px;max-width:none}.canvas-app .member-actions{display:inline-flex;align-items:center;gap:6px;flex-shrink:0}.canvas-app .member-logout{font-family:var(--font-hand-title);font-size:13px;color:var(--ink-soft);background:transparent;border:1.5px solid transparent;padding:2px 8px;border-radius:2px;cursor:pointer;white-space:nowrap;transition:background .1s,color .1s,border-color .1s}.canvas-app .member-logout:hover{background:var(--highlight);color:var(--ink);border-color:var(--ink)}@media(max-width:720px){.canvas-app .member-status-topbar{margin-left:0;width:100%;font-size:12px;padding:3px 8px}.canvas-app .member-status-topbar .member-name{max-width:120px}.canvas-app .member-status-topbar .member-meta{max-width:140px}.canvas-app .member-status-welcome{padding:5px 10px;font-size:14px}}.canvas-app .theme-switch-btn{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;font-family:var(--font-hand-title);font-size:13px;letter-spacing:1px;color:var(--ink);background:var(--paper-warm);border:1.25px solid var(--ink);box-shadow:1.5px 1.5px 0 var(--ink);cursor:pointer;white-space:nowrap;transition:background .1s,transform .05s}.canvas-app .theme-switch-btn:hover{background:var(--highlight)}.canvas-app .theme-switch-btn:active{transform:translate(1px,1px);box-shadow:0 0 0 var(--ink)}.canvas-app .theme-switch-btn-welcome{position:absolute;top:18px;right:18px;z-index:3}.canvas-app .theme-switch-btn-topbar{flex-shrink:0}.canvas-app .theme-switch-icon{font-size:14px;line-height:1}.canvas-app[data-canvas-theme=stripe]{--ink: #0a2540;--ink-soft: #425466;--ink-faint: #697386;--ink-ghost: #dde2eb;--paper: #ffffff;--paper-warm: #f6f9fc;--paper-deep: #ebeef3;--accent: #635bff;--highlight: #ebeef3;--read-glow: #d9f5e7;--font-hand-title: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-hand-body: var(--font-hand-title);background:var(--paper)}.canvas-app[data-canvas-theme=stripe] h1,.canvas-app[data-canvas-theme=stripe] h2,.canvas-app[data-canvas-theme=stripe] h3{font-weight:700;letter-spacing:-.01em}.canvas-app[data-canvas-theme=stripe] .welcome-screen{background:#fafbfc}.canvas-app[data-canvas-theme=stripe] .welcome-screen:before{display:none}.canvas-app[data-canvas-theme=stripe] 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var(--ink-ghost)}.canvas-app[data-canvas-theme=stripe] .tagview-group-count,.canvas-app[data-canvas-theme=stripe] .timelineview-group-count{background:var(--paper-warm);color:var(--ink-soft);font-weight:500;letter-spacing:0}.canvas-app[data-canvas-theme=stripe] .tagview-node{border:1px solid var(--ink-ghost);border-radius:8px;box-shadow:none}.canvas-app[data-canvas-theme=stripe] .tagview-node:hover{transform:translateY(-1px);border-color:var(--ink-faint);box-shadow:0 4px 8px #0000000a}.canvas-app[data-canvas-theme=stripe] .tagview-node.is-open{background:#635bff0f;border-color:var(--accent)}.canvas-app[data-canvas-theme=stripe] .tagview-node-title{font-weight:600;letter-spacing:-.01em;font-size:16px}.canvas-app[data-canvas-theme=stripe] .mindmap-branch-rail,.canvas-app[data-canvas-theme=stripe] .mindmap-twig-rail{background:var(--ink-ghost)}.canvas-app[data-canvas-theme=stripe] .mindmap-twigs{border-left:1px solid var(--ink-ghost)}.canvas-app[data-canvas-theme=stripe] .mindmap-branch-left .mindmap-twigs{border-left:none;border-right:1px solid var(--ink-ghost)}.canvas-app[data-canvas-theme=stripe] .mindmap-leaves{border-left:1px solid var(--ink-ghost)}.canvas-app[data-canvas-theme=stripe] .mindmap-twig-left .mindmap-leaves{border-left:none;border-right:1px solid var(--ink-ghost)}.canvas-app[data-canvas-theme=stripe] .mindmap-node{border:1px solid var(--ink-ghost);border-radius:8px;box-shadow:none}.canvas-app[data-canvas-theme=stripe] .mindmap-node:hover{transform:translateY(-1px);border-color:var(--ink-faint);box-shadow:0 4px 8px #0000000a}.canvas-app[data-canvas-theme=stripe] .mindmap-node.is-open{background:#635bff0f;border-color:var(--accent)}.canvas-app[data-canvas-theme=stripe] .mindmap-node-root{background:var(--paper-warm);box-shadow:0 1px 2px #0000000a}.canvas-app[data-canvas-theme=stripe] .mindmap-node-title{font-weight:600;letter-spacing:-.01em;font-size:15px}.canvas-app[data-canvas-theme=stripe] .mindmap-node-root .mindmap-node-title{font-size:18px}.canvas-app[data-canvas-theme=stripe] .relation-endpoint{border:1px solid var(--ink-ghost);border-radius:8px;box-shadow:none}.canvas-app[data-canvas-theme=stripe] .relation-endpoint:hover{transform:translateY(-1px);border-color:var(--ink-faint);box-shadow:0 4px 8px #0000000a}.canvas-app[data-canvas-theme=stripe] .relation-endpoint.is-open{background:#635bff0f;border-color:var(--accent)}.canvas-app[data-canvas-theme=stripe] .relation-endpoint-title{font-weight:600;letter-spacing:-.01em;font-size:14px}.canvas-app[data-canvas-theme=stripe] .relation-connector-arrow{font-weight:400}.canvas-app[data-canvas-theme=stripe] .relation-connector-kind{background:var(--paper-warm);border-radius:999px;font-weight:500;font-size:12px;letter-spacing:0}.canvas-app[data-canvas-theme=stripe] .timelineview-group{border-bottom:1px solid var(--ink-ghost)}.canvas-app[data-canvas-theme=stripe] .timelineview-group-date{background:var(--accent);color:#fff;font-weight:600;letter-spacing:0;font-size:14px;border-radius:6px}.canvas-app[data-canvas-theme=stripe] .timelineview-group.is-undated .timelineview-group-date{background:var(--paper-deep);color:var(--ink-soft)}.canvas-app[data-canvas-theme=stripe] .timelineview-row{border:1px solid var(--ink-ghost);border-radius:8px;box-shadow:none}.canvas-app[data-canvas-theme=stripe] .timelineview-row:hover{transform:translateY(-1px);border-color:var(--ink-faint);box-shadow:0 4px 8px #0000000a}.canvas-app[data-canvas-theme=stripe] .timelineview-row.is-open{background:#635bff0f;border-color:var(--accent)}.canvas-app[data-canvas-theme=stripe] .timelineview-time{border-right:1px solid var(--ink-ghost);font-weight:600;font-size:16px}.canvas-app[data-canvas-theme=stripe] .timelineview-row-title{font-weight:600;letter-spacing:-.01em;font-size:15px}.canvas-app[data-canvas-theme=stripe] .timelineview-pill{background:var(--paper-warm);border-radius:999px;letter-spacing:0}.canvas-app[data-canvas-theme=stripe] .timelineview-root-pill{background:var(--read-glow);color:#006908}.canvas-app[data-canvas-theme=stripe] .member-status-welcome{border:1px solid var(--ink-ghost);border-radius:999px;box-shadow:none;background:var(--paper-warm);font-size:13px}.canvas-app[data-canvas-theme=stripe] .member-status-topbar{border:1px solid var(--ink-ghost);border-radius:999px;box-shadow:none;font-size:12px}.canvas-app[data-canvas-theme=stripe] .member-kicker{font-weight:600;font-size:11px;letter-spacing:.5px}.canvas-app[data-canvas-theme=stripe] .member-name{font-weight:600}.canvas-app[data-canvas-theme=stripe] .member-meta{font-style:normal}.canvas-app[data-canvas-theme=stripe] .member-link{border-bottom:none;color:var(--accent);font-weight:500;letter-spacing:0}.canvas-app[data-canvas-theme=stripe] .member-link:hover{background:#635bff14;border-radius:4px}.canvas-app[data-canvas-theme=stripe] .member-logout{border:1px solid var(--ink-ghost);border-radius:6px;font-weight:500;font-size:12px}.canvas-app[data-canvas-theme=stripe] .member-logout:hover{background:var(--paper-warm);color:var(--ink);border-color:var(--ink-faint)}.canvas-app[data-canvas-theme=stripe] .theme-switch-btn{border:1px solid var(--ink-ghost);border-radius:6px;box-shadow:none;background:var(--paper);font-weight:500;font-size:12px;letter-spacing:0}.canvas-app[data-canvas-theme=stripe] .theme-switch-btn:hover{background:var(--paper-warm);border-color:var(--ink-faint)}.canvas-app[data-canvas-theme=stripe] .theme-switch-btn:active{transform:none;box-shadow:none}.canvas-app .status-pill.status-failed{background:#fde7e7;color:#8a1f1f}.canvas-app .status-failed .status-dot,.canvas-app .outline-row.status-failed .outline-dot{background:#e85b5b;border-color:#8a1f1f}.canvas-app .node-card.status-failed{opacity:.92;border-color:#8a1f1f;box-shadow:3px 3px #8a1f1f}.canvas-app .failed-banner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin:0 0 16px;padding:12px 14px;background:#fde7e7;border:1.5px solid #8a1f1f;box-shadow:2px 2px #8a1f1f;font-family:var(--font-hand-body);font-size:15px;color:#5a0e0e;line-height:1.5}.canvas-app .failed-banner-text{display:flex;gap:8px;align-items:flex-start;flex:1 1 240px;min-width:0}.canvas-app .failed-banner-icon{font-size:18px;flex-shrink:0}.canvas-app .failed-retry-btn{font-family:var(--font-hand-body);font-size:14px;padding:6px 14px;border:1.5px solid #8a1f1f;background:var(--paper);color:#5a0e0e;box-shadow:2px 2px #8a1f1f;cursor:pointer;transition:transform .1s;flex-shrink:0}.canvas-app .failed-retry-btn:hover{background:#ffd1d1;transform:translate(-1px,-1px)}.canvas-app .failed-retry-btn:active{transform:translate(1px,1px);box-shadow:none}.canvas-app .custom-question-form{display:flex;gap:8px;align-items:stretch;margin:12px 0 6px}.canvas-app .custom-question-input{flex:1 1 auto;min-width:0;font-family:var(--font-hand-body);font-size:15px;border:1.5px solid var(--ink);background:var(--paper);padding:8px 12px;outline:none;box-shadow:1px 1px 0 var(--ink)}.canvas-app .custom-question-input:focus{background:#fffbe8}.canvas-app .custom-question-btn{font-family:var(--font-hand-body);font-size:15px;padding:6px 16px;border:1.5px solid var(--ink);background:var(--highlight);box-shadow:2px 2px 0 var(--ink);cursor:pointer;transition:transform .1s;flex-shrink:0}.canvas-app .custom-question-btn:hover:not(:disabled){transform:translate(-1px,-1px)}.canvas-app .custom-question-btn:active:not(:disabled){transform:translate(1px,1px);box-shadow:none}.canvas-app .custom-question-btn:disabled{opacity:.4;cursor:not-allowed}.canvas-app .related-nodes-block{margin-top:22px}.canvas-app .related-nodes-list{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:6px}.canvas-app .related-nodes-link{display:flex;flex-direction:column;align-items:flex-start;gap:2px;width:100%;text-align:left;padding:10px 14px;background:var(--paper-warm);border:none;font-family:var(--font-hand-body);font-size:15px;color:var(--ink);cursor:pointer;transition:background .1s,transform .1s}.canvas-app .related-nodes-link:hover{background:var(--paper-deep);transform:translate(2px)}.canvas-app .related-nodes-title{font-weight:600}.canvas-app .related-nodes-reason{font-size:13px;color:var(--ink-soft);font-style:italic}.canvas-app .md-img-btn{display:block;padding:0;border:0;background:transparent;cursor:zoom-in;margin:12px 0;width:100%;text-align:left}.canvas-app .md-img-btn img{max-width:100%;border:1.5px solid var(--ink);box-shadow:3px 3px 0 var(--ink)}.canvas-app .md-img-lightbox{position:fixed;inset:0;z-index:1000;background:#141414d1;display:flex;align-items:center;justify-content:center;padding:32px;cursor:zoom-out}.canvas-app .md-img-lightbox img{max-width:min(94vw,1400px);max-height:92vh;border:1.5px solid var(--paper);box-shadow:4px 4px #0009;background:var(--paper)}.canvas-app .md-img-lightbox-close{position:absolute;top:18px;right:22px;width:40px;height:40px;border-radius:50%;border:1.5px solid var(--paper);background:#141414cc;color:var(--paper);font-size:18px;cursor:pointer}.canvas-app .md-img-lightbox-close:hover{background:var(--ink)}.canvas-app .markdown-body .katex{font-size:1em}.canvas-app .markdown-body .katex-display{overflow-x:auto;overflow-y:hidden;margin:14px 0;padding:6px 0}.canvas-app[data-canvas-theme=stripe] .status-pill.status-failed{background:#fff0f0;color:#b53737}.canvas-app[data-canvas-theme=stripe] .failed-banner{background:#fff0f0;border:none;border-radius:8px;box-shadow:none;color:#8a2828;font-size:14px}.canvas-app[data-canvas-theme=stripe] .failed-retry-btn{border:1px solid #b53737;border-radius:6px;box-shadow:none;background:var(--paper);color:#b53737;font-size:13px}.canvas-app[data-canvas-theme=stripe] .failed-retry-btn:hover{background:#ffe5e5;transform:none}.canvas-app[data-canvas-theme=stripe] .custom-question-input{border:1px solid var(--ink-ghost);border-radius:6px;box-shadow:none;font-size:14px;background:var(--paper)}.canvas-app[data-canvas-theme=stripe] .custom-question-input:focus{border-color:var(--accent);background:var(--paper);box-shadow:0 0 0 3px #635bff2e}.canvas-app[data-canvas-theme=stripe] .custom-question-btn{border:1px solid var(--accent);border-radius:6px;background:var(--accent);color:#fff;box-shadow:none;font-weight:500;font-size:14px}.canvas-app[data-canvas-theme=stripe] .custom-question-btn:hover:not(:disabled){background:#5048e0;transform:none}.canvas-app[data-canvas-theme=stripe] .custom-question-btn:active:not(:disabled){transform:none;box-shadow:none}.canvas-app[data-canvas-theme=stripe] .related-nodes-link{border-radius:8px;background:var(--paper-warm);font-size:14px}.canvas-app[data-canvas-theme=stripe] .related-nodes-link:hover{background:var(--paper-deep);transform:none}.canvas-app[data-canvas-theme=stripe] .md-img-btn img{border:1px solid var(--ink-ghost);border-radius:8px;box-shadow:0 1px 4px #0a254014}