:root{--paper:#fbf9f5;--paper-deep:#f1ebe3;--canvas:#fff;--card:#fff;--ink:#2c241c;--muted:#7a7168;--line:#2c241c14;--accent:#c46a4a;--accent-soft:#e8dfd5;--ok:#3d5c45;--shadow:0 4px 24px #2c241c0d;--shadow-lift:0 8px 28px #2c241c14;--ease:cubic-bezier(.16, 1, .3, 1);--radius:12px;--radius-sm:8px;--idea-paper:#fff;--idea-sage:#e4ebe3;--idea-rose:#ead8d2;--idea-mist:#dde3ea;--idea-sand:#efe6d4;--idea-lilac:#e6dee6;--font-ui:"Inter", "Segoe UI", system-ui, sans-serif;--font-display:"Newsreader", "Iowan Old Style", Georgia, serif;--measure:65ch;font-family:var(--font-ui);color:var(--ink);background:var(--paper);font-feature-settings:"ss01", "cv11";font-size:15px;line-height:1.5}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{background:var(--paper);color:var(--ink)}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer;touch-action:manipulation}textarea{resize:vertical}button,a,.rail-card,.rail-add,.rail-trash,.rail-trash-glyph,.stage-nav,.pill,.status-badge,.primary,.ghost,.text-btn,.icon-btn{transition:background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), opacity .25s var(--ease), box-shadow .3s var(--ease), transform .3s var(--ease)}.app{grid-template-rows:auto 1fr;grid-template-columns:minmax(0,1fr);min-width:0;height:100dvh;min-height:100dvh;display:grid;overflow:hidden}.topbar{border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(16px);z-index:30;background:#fbf9f5b8;align-items:center;gap:16px;padding:10px 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.active-item{color:var(--accent);font-weight:600}.topbar-meta{color:var(--muted);align-items:center;gap:10px;font-size:12px;display:flex}.status-badge{border:1px solid var(--line);color:var(--muted);background:#2c241c0a;border-radius:999px;align-items:center;padding:5px 10px;font-size:12px;font-weight:500;display:inline-flex}.nav-cluster{align-items:center;gap:6px;min-width:0;margin-left:8px;display:flex}.nav{background:#2c241c0a;border-radius:999px;gap:2px;margin-left:0;padding:3px;display:flex}.nav>button,.nav .more>button{color:var(--muted);background:0 0;border:0;border-radius:999px;padding:6px 12px;font-size:13px;font-weight:500}.nav>button.active,.nav .more>button.active{color:var(--ink);background:var(--canvas);font-weight:600;box-shadow:0 1px 2px #2c241c0f}.nav>button:disabled{opacity:.4;cursor:default}.sync-chip{color:var(--muted);background:0 0;border:0;flex:none;align-items:center;gap:6px;padding:6px 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header{opacity:1;color:var(--ink);font-weight:600}.rail-lane.vacant{align-items:center;min-width:36px}.rail-lane.stretch.vacant{align-items:stretch;min-width:7.5rem}.rail-lane.vacant .rail-act,.rail-lane.vacant header{text-align:center}.rail-lane.vacant header{text-overflow:ellipsis;max-width:7.5rem;overflow:hidden}.rail-lane.vacant .rail-nodes{justify-content:center}.rail-nodes{justify-content:flex-start;align-items:center;gap:8px;height:104px;min-height:104px;margin-top:auto;display:flex;position:relative}.rail-nodes:before{content:"";z-index:0;pointer-events:none;background:#2c241c1f;height:1px;position:absolute;top:50%;left:0;right:-10px}.rail-lane:last-child .rail-nodes:before{right:0}.rail-lane.drop{outline:1px solid var(--accent);outline-offset:4px;border-radius:var(--radius-sm)}.rail-card{z-index:1;background:var(--canvas);border-radius:var(--radius-sm);text-align:left;cursor:grab;touch-action:pan-x;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;border:1px 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0;border:0;border-radius:0;height:8px;margin:0;padding:0;position:absolute;top:0;left:0;right:0}.tray-resize:after{content:"";background:#2c241c24;border-radius:99px;width:36px;height:3px;margin-left:-18px;position:absolute;top:2px;left:50%}.tray-resize:hover,.tray-resize:focus-visible,body.resizing-tray .tray-resize,body.resizing-tray-width .tray-resize{background:var(--accent-soft)}body.resizing-tray{cursor:row-resize;-webkit-user-select:none;user-select:none}body.resizing-tray-width{cursor:col-resize;-webkit-user-select:none;user-select:none}body.resizing-tray textarea,body.resizing-tray input,body.resizing-tray-width textarea,body.resizing-tray-width input{pointer-events:none}.tray-head{flex:none;align-items:center;gap:10px;min-width:0;display:flex}.tray-head h2{letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0;font-size:11px;font-weight:600}.tray-head-actions{flex:none;gap:6px;margin-left:auto;display:flex}.tray-search{align-items:center;gap:10px;min-width:0;margin-top:8px;display:flex}.tray-search label{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);flex:none;font-size:11px;font-weight:500}.tray-search input{border:1px solid var(--line);background:var(--canvas);border-radius:var(--radius-sm);flex:1;min-width:0;padding:6px 10px}.tray-list{overscroll-behavior:contain;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:10px;min-width:0;max-height:min(32vh,16rem);padding:10px 0 6px;display:grid;overflow:hidden auto}.tray.tray-open .tray-list{flex:1;height:auto;min-height:0;max-height:none}.tray-empty{grid-column:1/-1;margin:0}.idea-card{text-align:left;background:var(--idea-paper);border:1px solid var(--line);border-radius:var(--radius-sm);height:96px;font:inherit;color:inherit;cursor:grab;flex-direction:column;align-items:stretch;gap:6px;margin:0;padding:10px 12px;display:flex;overflow:hidden;box-shadow:0 1px 2px #2c241c0a}.idea-card.dragging{cursor:grabbing;z-index:1}.idea-card[data-color=sage]{background:var(--idea-sage)}.idea-card[data-color=rose]{background:var(--idea-rose)}.idea-card[data-color=mist]{background:var(--idea-mist)}.idea-card[data-color=sand]{background:var(--idea-sand)}.idea-card[data-color=lilac]{background:var(--idea-lilac)}.idea-card:hover{box-shadow:var(--shadow);transform:translateY(-1px)}.idea-card.open{box-shadow:var(--shadow);border-color:#c46a4a59}.idea-add{border-radius:var(--radius-sm);height:96px;color:var(--muted);background:0 0;border:1px dashed #2c241c2e;justify-content:center;align-items:center;margin:0;padding:0;font-size:28px;font-weight:400;line-height:1;display:flex}.idea-add:hover,.idea-add:focus-visible{color:var(--ink);background:var(--accent-soft);border-color:#c46a4a73}.idea-card-title{letter-spacing:-.01em;overflow-wrap:anywhere;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:13px;font-weight:600;line-height:1.35;display:-webkit-box;overflow:hidden}.idea-card-preview{color:var(--muted);-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:12px;line-height:1.4;display:-webkit-box;overflow:hidden}.idea-pop-backdrop{z-index:50;background:#2c241c33;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.idea-pop{background:var(--canvas);border-radius:var(--radius);flex-direction:column;width:min(520px,100%);max-height:min(72vh,560px);display:flex;overflow:hidden;box-shadow:0 18px 48px #2c241c2e}.idea-pop-head{border-bottom:1px solid 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