:root{--font-body: "Manrope", "Inter", "Segoe UI", Arial, sans-serif;--accent-1: #2563eb;--accent-2: #1d4ed8;--text-on-accent: #f8fafc;--layout-max-width: 1700px;--content-max-width: 1320px;--sidebar-width: 400px;--layout-padding: 20px;--layout-gap: 18px}.theme-light{--page-bg: radial-gradient(circle at 20% 20%, #ffffff, #f3f6ff 38%, #e8edff 65%);--text-primary: #0a0f1f;--text-muted: #8a93a3;--panel-bg: #ffffff;--panel-strong: #f5f7ff;--panel-border: rgba(15, 23, 42, .08);--panel-strong-border: rgba(15, 23, 42, .12);--panel-shadow: 0 18px 45px rgba(15, 23, 42, .12);--chip-bg: rgba(15, 23, 42, .06);--chip-border: rgba(15, 23, 42, .12);--move-alt: rgba(15, 23, 42, .04);--move-number: #64748b;--grid-line: #cbd5e1;--button-text: #f8fafc;--glow-strong: rgba(37, 99, 235, .35)}.theme-dark{--page-bg: radial-gradient(circle at 20% 20%, #0b1224, #0f172a 42%, #0a0f1d 70%);--text-primary: #f2f5ff;--text-muted: #7b8498;--panel-bg: #0f172a;--panel-strong: #111827;--panel-border: rgba(255, 255, 255, .08);--panel-strong-border: rgba(255, 255, 255, .14);--panel-shadow: 0 18px 55px rgba(0, 0, 0, .35);--chip-bg: rgba(255, 255, 255, .08);--chip-border: rgba(255, 255, 255, .14);--move-alt: rgba(255, 255, 255, .05);--move-number: #94a3b8;--grid-line: #1f2937;--button-text: #e5e7eb;--glow-strong: rgba(52, 211, 153, .55)}.app-shell{min-height:100vh;display:flex;justify-content:center;background:var(--page-bg);color:var(--text-primary);font-family:var(--font-body)}.two-panel{display:grid;grid-template-columns:var(--sidebar-width) 1.1fr;gap:var(--layout-gap);width:100%;max-width:var(--layout-max-width);padding:var(--layout-padding);margin:0 auto}.left-panel{border-radius:14px;border:1px solid var(--panel-strong-border);background:var(--panel-bg);box-shadow:var(--panel-shadow);min-height:80vh;padding:18px 16px;display:flex;flex-direction:column;gap:12px;position:relative}.right-panel{width:100%}.content-column{display:flex;flex-direction:column;gap:var(--layout-gap);width:100%;max-width:var(--content-max-width);padding:0;margin:0;height:100%}@media (max-width: 1920px){:root{--layout-max-width: 1520px;--content-max-width: 1180px;--sidebar-width: 340px;--layout-padding: 16px;--layout-gap: 14px}.left-panel{padding:16px 14px}.breadcrumb-row{padding:10px 14px;gap:22px}.board-row{gap:10px}.evaluation-track{min-height:360px}.learning-modal{width:min(1180px,98vw);padding:20px 22px}}.left-panel-header{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;background:var(--panel-bg);border:1px solid var(--panel-border);box-shadow:var(--panel-shadow);top:10px;z-index:1}.logo-mark{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--accent-1),var(--accent-2));border:1px solid var(--accent-2);display:grid;place-items:center;color:var(--text-on-accent);font-weight:800;font-size:22px;box-shadow:0 10px 28px #2563eb59;position:relative;overflow:hidden}.logo-image{width:32px;height:32px;padding:4px;object-fit:contain;background:#fff;border-radius:10px;box-shadow:0 6px 16px #00000040}.logo-letter{position:absolute;transform:translateY(1px);opacity:.12}.brand-text{display:flex;flex-direction:column;line-height:1.1}.brand-name{font-weight:800;font-size:18px;color:var(--text-primary);letter-spacing:.01em}.brand-tagline{font-size:13px;color:var(--text-muted)}.control-card{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;padding:12px;border-radius:12px;background:var(--panel-bg);border:none;box-shadow:none}.control-card .wide{width:100%}.control-card .ask-move-button,.control-card .start-learning-button{grid-column:1 / -1}.control-card-docked{margin-top:auto;position:sticky;bottom:0;padding-top:6px;background:linear-gradient(180deg,transparent 0%,var(--panel-bg) 26%,var(--panel-bg) 100%)}.control-card-docked .control-card{margin:0}.ask-move-button{background:var(--panel-strong);color:var(--text-primary);border:1px solid var(--panel-border);box-shadow:none}.ask-move-button:hover{border-color:var(--accent-1);color:var(--accent-1)}.filter-card{position:relative;background:var(--panel-bg);border:none;border-radius:14px;box-shadow:none;padding:14px;display:flex;flex-direction:column;gap:10px;margin-top:8px}.filter-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;background:radial-gradient(circle at 20% 20%,rgba(148,163,184,.25),transparent 45%);opacity:.4;pointer-events:none;filter:blur(30px)}.filter-card>*{position:relative;z-index:1}.opening-pill-section{display:flex;flex-direction:column;gap:8px;margin-bottom:4px}.opening-pill-header-row{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.opening-pill-title{font-weight:800;color:var(--text-primary);font-size:18px;letter-spacing:.01em}.opening-pill-help{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;margin-left:6px;border-radius:6px;border:1px solid var(--panel-border);background:var(--panel-strong);color:var(--text-muted);font-size:12px;font-weight:800;cursor:default}.opening-pill-help:hover{border-color:var(--accent-1);color:var(--accent-1)}.opening-pill-actions{display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap}.opening-pill-action{padding:6px 10px;background:var(--panel-strong);color:var(--text-primary);border:1px solid var(--panel-border);border-radius:10px;font-size:12px;box-shadow:none}.opening-pill-action:hover{border-color:var(--accent-1);color:var(--accent-1)}.opening-pill-list{display:flex;flex-wrap:wrap;gap:8px}.opening-pill-dropdowns{display:flex;flex-direction:column;gap:6px}.opening-pill-dropdowns details{margin-bottom:4px}.opening-pill-dropdowns details:last-child{margin-bottom:0}.opening-pill{padding:10px 12px;border-radius:14px;border:1px solid var(--chip-border);background:linear-gradient(135deg,#ffffff0a,#0000000f),var(--panel-strong);color:var(--text-primary);font-weight:800;font-size:14px;line-height:1.2;box-shadow:none;transition:border-color .15s ease,background .15s ease,color .15s ease,box-shadow .15s ease,transform .12s ease;width:100%;position:relative;overflow:hidden}.opening-pill::-webkit-details-marker{display:none}.opening-pill{display:flex;flex-direction:column;align-items:flex-start;gap:8px;cursor:pointer}.opening-pill:hover{border-color:#2563eba6;color:var(--accent-1);box-shadow:0 12px 26px #2563eb2e;transform:translateY(-1px)}.opening-pill:focus-visible{outline:2px solid var(--accent-1);outline-offset:2px}.opening-pill:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,#22c55e2e,#22c55e52);transform-origin:left center;transform:scaleX(calc(var(--pill-progress, 0) / 100));transition:transform .2s ease;z-index:0;opacity:.9;pointer-events:none}.opening-pill:hover:before{opacity:1}.opening-pill-label{font-weight:800;letter-spacing:.01em}.opening-pill-header{width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;position:relative;z-index:1}.opening-pill-checkbox{display:inline-flex;align-items:center;gap:8px;color:inherit;font:inherit;cursor:pointer}.opening-pill-checkbox input[type=checkbox]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border-radius:6px;border:2px solid var(--panel-border);background:var(--panel-bg);display:grid;place-items:center;position:relative;transition:border-color .15s ease,box-shadow .15s ease,background .15s ease}.opening-pill-checkbox input[type=checkbox]:checked{background:linear-gradient(135deg,var(--accent-1),var(--accent-2));border-color:transparent;box-shadow:0 10px 22px #2563eb59}.opening-pill-checkbox input[type=checkbox]:checked:after{content:"";width:8px;height:4px;border-left:2px solid var(--text-on-accent);border-bottom:2px solid var(--text-on-accent);transform:rotate(-45deg)}.opening-pill-checkbox input[type=checkbox]:focus-visible{outline:2px solid var(--accent-1);outline-offset:2px}.opening-pill-caret{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:10px;border:1px solid var(--panel-border);background:var(--panel-strong);color:var(--accent-1);font-size:16px;font-weight:800;margin-right:6px;transition:transform .15s ease}details[open]>summary .opening-pill-caret{transform:rotate(180deg)}.opening-pill-children{padding-left:12px;padding-bottom:6px;margin-top:4px;display:flex;flex-direction:column;gap:6px}.filter-card-header{display:flex;align-items:center;justify-content:space-between;gap:10px}.filter-title{font-weight:800;color:var(--text-primary)}.filter-subtitle{font-size:13px;color:var(--text-muted)}.filter-meta{display:flex;align-items:center;gap:8px}.clear-filters{padding:6px 10px;background:transparent;color:var(--accent-1);border:1px dashed var(--panel-border);border-radius:999px;font-size:12px;box-shadow:none}.clear-filters:hover{border-color:var(--accent-1);background:#2563eb14}.select-all{padding:6px 10px;background:var(--panel-strong);color:var(--text-primary);border:1px solid var(--panel-border);border-radius:999px;font-size:12px;box-shadow:none}.select-all:hover{border-color:var(--accent-1);color:var(--accent-1)}.filter-search{position:relative}.filter-search-icon{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--text-muted);opacity:.9}.filter-search input[type=search]{width:100%;padding:12px 40px 12px 12px;border-radius:12px;border:1px solid var(--panel-border);background:linear-gradient(135deg,rgba(255,255,255,.02),transparent),var(--panel-strong);color:var(--text-primary)}.filter-list{display:flex;flex-direction:column;gap:8px;max-height:50vh;overflow-y:auto;padding-right:6px;padding-bottom:4px;scrollbar-width:thin;scrollbar-color:var(--chip-border) transparent}.filter-list::-webkit-scrollbar{width:8px}.filter-list::-webkit-scrollbar-thumb{background:var(--chip-border);border-radius:8px}.filter-list::-webkit-scrollbar-track{background:transparent}.filter-item{display:flex;align-items:center;gap:8px;padding:10px 12px;padding-left:calc(14px + (var(--filter-depth, 0) * 14px));border-radius:12px;border:1px solid var(--panel-border);background:linear-gradient(135deg,#ffffff05,#00000005),var(--panel-strong);cursor:pointer;color:var(--text-primary);transition:border-color .15s ease,background .15s ease,box-shadow .15s ease,transform .1s ease;position:relative}.filter-item:hover{border-color:#2563eb8c;box-shadow:0 10px 22px #00000029;transform:translateY(-1px)}.filter-item input[type=checkbox]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border-radius:6px;border:2px solid var(--panel-border);background:var(--panel-bg);display:grid;place-items:center;position:relative;transition:border-color .15s ease,box-shadow .15s ease,background .15s ease}.filter-item input[type=checkbox]:checked{background:linear-gradient(135deg,var(--accent-1),var(--accent-2));border-color:transparent;box-shadow:0 10px 22px #2563eb59}.filter-item input[type=checkbox]:checked:after{content:"";width:9px;height:5px;border-left:2px solid var(--text-on-accent);border-bottom:2px solid var(--text-on-accent);transform:rotate(-45deg)}.filter-item:focus-within{border-color:#2563ebb3;box-shadow:0 0 0 2px #2563eb26}.filter-label{font-size:14px;font-weight:700;color:var(--text-primary);transition:color .15s ease}.filter-item input[type=checkbox]:checked+.filter-label{color:var(--accent-1)}.filter-item:before{content:"";position:absolute;left:10px;top:10px;bottom:10px;width:2px;border-radius:4px;background:linear-gradient(180deg,#2563eb66,#2563eb00);opacity:clamp(0,.25 + (var(--filter-depth, 0) * .18),.6)}.filter-empty{padding:8px 4px;color:var(--text-muted);font-size:13px}@media (max-width: 960px){.two-panel{grid-template-columns:1fr}.left-panel{min-height:200px}}.top-bar{display:flex;align-items:center;justify-content:space-between;gap:12px}.brand h1{margin:2px 0 0;font-size:26px;color:var(--text-primary)}.breadcrumb-row{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;background:var(--panel-bg);color:var(--text-primary);border:1px solid var(--panel-border);border-radius:12px;padding:12px 16px;box-shadow:var(--panel-shadow)}.breadcrumb-line{display:inline-flex;align-items:center;gap:8px;font-weight:800;letter-spacing:.01em;font-size:24px;padding:0}.new-game-button{padding:10px 30px;white-space:nowrap;background:linear-gradient(135deg,var(--accent-1),var(--accent-2));color:var(--text-on-accent);border:1px solid var(--accent-2);box-shadow:0 14px 32px #2563eb40;transition:transform .15s ease,box-shadow .2s ease,filter .2s ease;font-size:18px}.new-game-button:hover{transform:translateY(-1px);box-shadow:0 18px 38px #2563eb52;filter:saturate(1.08)}.new-game-button:active{transform:translateY(1px);box-shadow:0 10px 24px #2563eb40}.start-learning-button{position:relative;overflow:hidden;border:1px solid #fb923c;background:linear-gradient(120deg,#f59e0b,#f97316 45%,#f43f5e);color:#fff9f0;box-shadow:0 14px 28px #f43f5e3d,0 5px 16px #f59e0b3d;letter-spacing:.01em}.start-learning-button:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,rgba(255,255,255,.18),transparent 40%);opacity:0;transition:opacity .2s ease}.start-learning-button:hover{transform:translateY(-1px);box-shadow:0 18px 34px #f43f5e47,0 8px 18px #f59e0b4d}.start-learning-button:hover:after{opacity:1}.start-learning-button:active{transform:translateY(1px);box-shadow:0 12px 28px #f43f5e52,0 6px 16px #f59e0b52}.new-game-button.secondary{background:linear-gradient(135deg,var(--panel-strong),var(--panel-bg));color:var(--text-primary);border:1px solid var(--panel-border);box-shadow:none}.new-game-button.secondary:hover{box-shadow:0 14px 28px #00000029;filter:none}.crumb{background:transparent;border:none;padding:0;color:var(--text-primary);font-weight:inherit;cursor:pointer;font-size:24px;transition:color .15s ease,transform .1s ease}.crumb:disabled{color:var(--text-muted);transform:none}.crumb:hover:disabled{color:var(--text-muted);transform:none;cursor:default}.crumb:hover{color:var(--accent-1)}.crumb:active{transform:translateY(1px)}.crumb-separator{color:var(--text-muted)}.search-box{position:relative;flex:1 1 260px;min-width:240px;max-width:520px}.search-box input[type=search]{width:100%;padding:12px 40px 12px 14px;border-radius:12px;border:1px solid var(--panel-border);background:var(--panel-bg);color:var(--text-primary);box-shadow:var(--panel-shadow);font-size:16px}.search-box input[type=search]::placeholder{color:var(--text-muted)}.search-suggestions{list-style:none;margin:8px 0 0;padding:6px;position:absolute;width:100%;background:var(--panel-strong);border:1px solid var(--panel-strong-border);border-radius:12px;box-shadow:var(--panel-shadow);max-height:240px;overflow-y:auto;z-index:5}.search-icon{position:absolute;right:12px;top:50%;transform:translateY(-50%);pointer-events:none;font-size:16px;opacity:.72}.search-suggestions li+li{margin-top:4px}.suggestion-button{width:100%;text-align:left;background:transparent;border:none;color:var(--text-primary);padding:10px 12px;border-radius:10px;transition:background .15s ease,color .15s ease;box-shadow:none}.suggestion-button:hover{background:var(--chip-bg);color:var(--accent-1)}.two-panel-layout{display:flex;gap:var(--layout-gap);align-items:stretch;flex-wrap:wrap;height:100%}.left-pane{flex:1 1 520px;min-width:320px;display:flex;flex-direction:column;gap:var(--layout-gap)}.right-pane{flex:0 0 320px;min-width:280px;display:flex;flex-direction:column;gap:12px;height:100%;align-self:stretch}.move-list-panel{width:100%;background:var(--panel-bg);color:var(--text-primary);border-radius:14px;border:1px solid var(--panel-border);box-shadow:var(--panel-shadow);overflow:hidden;display:flex;flex-direction:column;flex:1 1 0;min-height:320px}.move-list-header{display:flex;gap:12px;padding:10px 12px;background:var(--panel-strong);border-bottom:1px solid var(--panel-strong-border)}.move-list-tab{font-weight:800;font-size:14px;color:var(--text-primary)}.move-list{list-style:none;margin:0;padding:12px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;flex:1 1 0}.move-row{display:grid;grid-template-columns:44px 1fr 1fr;align-items:center;gap:6px;padding:6px 8px;border-radius:10px;background:var(--move-alt)}.move-number{color:var(--move-number);font-weight:700;text-align:right}.move-san{font-weight:700;color:var(--text-primary)}.move-description-title{margin:0 0 6px;font-size:14px;font-weight:800;color:var(--text-primary)}.move-description-text{margin:0;color:var(--text-muted);font-size:14px;line-height:1.4}.description-animate{position:relative;animation:description-swap 1.6s ease;will-change:transform,opacity,filter}@keyframes description-swap{0%{opacity:0;transform:translateY(6px);filter:blur(6px)}45%{opacity:1;transform:translateY(0);filter:blur(0)}to{opacity:1;transform:translateY(0);filter:blur(0)}}.description-panel{padding:12px 14px;background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:14px;box-shadow:var(--panel-shadow);color:var(--text-primary);width:100%;max-width:820px;flex:1 1 0;display:flex;flex-direction:column}@media (max-width: 720px){.two-panel-layout{flex-direction:column;align-items:flex-start}.right-pane{width:100%;height:auto}.top-bar{flex-direction:column;align-items:flex-start}}.eyebrow{margin:0;color:var(--move-number);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:12px}.title{margin:2px 0 4px;font-size:clamp(24px,2.8vw,32px);color:var(--text-primary)}.lede{margin:0;max-width:720px;color:var(--text-muted)}.flow-card{flex:1;min-height:260px;background:var(--panel-bg);border-radius:18px;box-shadow:var(--panel-shadow);overflow:hidden;border:1px solid var(--panel-border)}@media (max-width: 1920px){.flow-card{min-height:200px}}.flow-canvas{width:100%;height:100%}.react-flow__handle{visibility:hidden!important}@media (max-width: 720px){.content-grid{grid-template-columns:1fr;padding:12px}.split-layout,.board-move-wrapper{flex-direction:column}.move-list-panel{width:100%;max-height:none}}.chess-card{background:var(--panel-bg);color:var(--text-primary);padding:18px;border-radius:18px;border:1px solid var(--panel-border);box-shadow:var(--panel-shadow);display:flex;flex-direction:column;gap:14px;min-height:520px;width:100%;height:100%}@media (max-width: 1920px){.chess-card{min-height:430px;padding:16px}}@media (min-width: 1921px){.chess-card{min-height:520px;padding:18px}.flow-card{min-height:320px}}.chess-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}.opening-buttons{display:flex;gap:10px;flex-wrap:wrap}.chess-header h2{margin:0;font-size:20px;color:var(--text-primary)}.opening-tree{display:flex;flex-wrap:wrap;gap:10px}.tree-node-block{display:flex;flex-direction:column;gap:10px}.tree-chip{padding:8px 12px;border-radius:12px;background:var(--chip-bg);border:1px solid var(--chip-border);color:var(--text-primary);font-weight:700;cursor:pointer;transition:transform .1s ease,opacity .2s ease}.tree-chip.root{background:linear-gradient(135deg,var(--accent-1),var(--accent-2));color:var(--text-on-accent);border-color:transparent}.tree-chip:hover{opacity:.92}.tree-chip:active{transform:translateY(1px)}.tree-children{display:flex;gap:10px;flex-wrap:wrap;padding-left:10px}button{padding:10px 14px;border:none;border-radius:10px;background:linear-gradient(135deg,var(--accent-1),var(--accent-2));color:var(--button-text);font-weight:700;cursor:pointer;transition:transform .1s ease,opacity .2s ease}button:hover{opacity:.9}button:active{transform:translateY(1px)}.theme-toggle{background:var(--panel-strong);color:var(--text-primary);border:1px solid var(--panel-strong-border);box-shadow:0 10px 28px #0f172a26}.theme-toggle.floating{position:fixed;right:22px;bottom:22px;z-index:10;border-radius:999px;padding:12px 16px}.toast{position:fixed;top:16px;right:16px;padding:12px 14px;border-radius:12px;background:var(--panel-bg);color:var(--text-primary);border:1px solid var(--panel-border);box-shadow:var(--panel-shadow);opacity:0;transform:translateY(-6px);transition:opacity .2s ease,transform .2s ease;pointer-events:none;min-width:240px;text-align:center;font-weight:700}.toast-show{opacity:1;transform:translateY(0)}.learning-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#060c1894;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:18px;z-index:30}.learning-modal{width:min(1280px,98vw);max-height:92vh;min-height:80vh;display:flex;flex-direction:column;background:var(--panel-bg);color:var(--text-primary);border:1px solid var(--panel-border);border-radius:20px;box-shadow:0 28px 80px #00000073,0 8px 32px #2563eb2e;padding:24px 26px;position:relative;overflow:auto}.learning-modal:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 18% 18%,rgba(244,63,94,.14),transparent 42%);pointer-events:none}.learning-modal__header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:12px;border-bottom:1px solid var(--panel-border)}.learning-modal__title-block{display:flex;align-items:center;gap:12px}.learning-modal__title{font-size:22px;font-weight:800;color:var(--text-primary);margin:0}.learning-modal__subtitle{margin:2px 0 0;font-size:14px;color:var(--text-muted)}.learning-close-button{width:38px;height:38px;border-radius:12px;border:1px solid var(--panel-border);background:var(--panel-strong);color:var(--text-primary);font-weight:900;font-size:20px;line-height:1;display:grid;place-items:center;box-shadow:0 12px 24px #0000002e}.learning-close-button:hover{border-color:var(--accent-1);color:var(--accent-1);transform:translateY(-1px)}.learning-close-button:active{transform:translateY(1px)}.learning-grid{display:grid;grid-template-columns:260px minmax(0,1.6fr);gap:14px;margin-top:10px;flex:1;min-height:0}.learning-section{border:1px solid var(--panel-border);border-radius:14px;background:var(--panel-strong);display:flex;flex-direction:column;flex:1 1 240px;min-height:0;box-shadow:var(--panel-shadow);padding:14px}.learning-section--sidebar{background:linear-gradient(180deg,#f59e0b1f,#f43f5e14)}.learning-section--main{background:linear-gradient(180deg,#2563eb14,#06b6d414)}@media (max-width: 1024px){.learning-modal{width:min(1100px,98vw);max-height:92vh;min-height:0;padding:20px}.learning-grid{grid-template-columns:1fr;max-height:none}}.lesson-search input[type=search]{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--panel-border);background:var(--panel-bg);color:var(--text-primary);box-shadow:0 10px 26px #00000024}.lesson-list{margin-top:12px;display:flex;flex-direction:column;gap:8px;max-height:none;flex:1;overflow-y:auto;padding-right:4px;scrollbar-width:thin;scrollbar-color:var(--chip-border) transparent}.lesson-list::-webkit-scrollbar{width:8px}.lesson-list::-webkit-scrollbar-thumb{background:var(--chip-border);border-radius:8px}.lesson-list::-webkit-scrollbar-track{background:transparent}.lesson-item{padding:10px 12px;border-radius:10px;background:var(--panel-bg);border:1px solid var(--panel-border);color:var(--text-primary);font-weight:700;display:flex;flex-direction:column;gap:4px;text-align:left;position:relative;transition:border-color .15s ease,box-shadow .2s ease,transform .12s ease,background .2s ease}.lesson-item.is-active{border-color:var(--accent-1);box-shadow:0 10px 22px #2563eb40;background:linear-gradient(135deg,#2563eb14,#06b6d414);transform:translateY(-1px)}.lesson-item:hover{border-color:#2563eb80;box-shadow:0 8px 18px #00000029}.lesson-title-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.lesson-check{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,#22c55e,#16a34a);color:#f8fafc;font-size:14px;font-weight:800}.lesson-empty{color:var(--text-muted);font-size:14px}.lesson-title{font-weight:800}.lesson-description{color:var(--text-muted);font-size:13px;font-weight:600}.lesson-detail{display:flex;flex-direction:column;gap:8px;padding:12px;background:var(--panel-bg);border-radius:12px;border:1px solid var(--panel-border);box-shadow:inset 0 1px #ffffff0a;overflow-y:auto;flex:1 1 0;min-height:0}.lesson-panel{display:flex;flex-direction:column;gap:12px;background:var(--panel-strong);border:1px solid var(--panel-border);border-radius:12px;padding:12px;box-shadow:var(--panel-shadow)}.lesson-panel__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:12px;align-items:stretch}.lesson-panel__left{display:flex;flex-direction:column;gap:12px}.lesson-panel__right{display:flex;justify-content:center;align-items:center}.lesson-panel__right .lesson-board{width:100%}.lesson-detail-title{font-size:20px;font-weight:800;color:var(--text-primary)}.lesson-detail-description{color:var(--text-muted);font-size:14px;line-height:1.5;background:var(--panel-strong);border:1px solid var(--panel-border);border-radius:10px;padding:12px;box-shadow:var(--panel-shadow)}.lesson-pgn{background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:12px;padding:10px;box-shadow:var(--panel-shadow)}.lesson-pgn__label{margin:0 0 6px;font-size:12px;font-weight:800;color:var(--text-muted);letter-spacing:.08em;text-transform:uppercase}.lesson-pgn__code{margin:0;white-space:pre-wrap;word-break:break-word;font-family:JetBrains Mono,SFMono-Regular,Consolas,monospace;color:var(--text-primary)}.lesson-pgn--empty{color:var(--text-muted);text-align:center;font-weight:700}.lesson-detail-actions{margin-top:auto;display:flex;gap:10px}.lesson-board{display:flex;flex-direction:column;gap:10px;border:1px solid var(--panel-border);border-radius:14px;background:var(--panel-bg);padding:12px;box-shadow:var(--panel-shadow)}.lesson-board__header{display:flex;align-items:center;justify-content:space-between;gap:10px}.lesson-board__controls{display:inline-flex;align-items:center;gap:6px}.lesson-board__controls button{padding:6px 8px;min-width:32px;background:var(--panel-strong);color:var(--text-primary);border:1px solid var(--panel-border);box-shadow:none}.lesson-board__controls button:disabled{opacity:.5;transform:none;cursor:not-allowed}.lesson-board__ply{font-size:12px;color:var(--text-muted);font-weight:800}.lesson-board__body{display:flex;justify-content:center;align-items:center}.lesson-board__moves{display:flex;flex-wrap:wrap;gap:8px;padding:10px;border-radius:12px;border:1px dashed var(--panel-border);background:var(--panel-strong);overflow-y:auto}.lesson-board__move{padding:6px 10px;border-radius:10px;border:1px solid var(--panel-border);background:var(--panel-bg);color:var(--text-primary);font-weight:700;font-size:13px;box-shadow:none;transition:border-color .15s ease,box-shadow .15s ease,transform .1s ease,color .15s ease}.lesson-board__move:hover{border-color:var(--accent-1);color:var(--accent-1);transform:translateY(-1px)}.lesson-board__move--active{border-color:var(--accent-1);background:linear-gradient(135deg,#2563eb1a,#06b6d414);color:var(--accent-1);box-shadow:0 10px 20px #2563eb2e}.lesson-board--error{padding:12px;border-radius:12px;background:var(--panel-strong);border:1px solid var(--panel-border);color:var(--text-muted)}.learning-close{background:transparent;border:1px solid var(--panel-border);color:var(--text-muted);box-shadow:none;padding:8px 12px;border-radius:10px}.learning-close:hover{color:var(--text-primary);border-color:var(--accent-1);opacity:1}.learning-title{margin:10px 0 6px;font-size:24px}.learning-copy{margin:0 0 12px;color:var(--text-muted)}.learning-list{display:grid;gap:8px;padding:12px;border-radius:12px;border:1px dashed var(--panel-border);background:var(--panel-strong)}.learning-item{display:grid;grid-template-columns:18px 1fr;align-items:center;gap:8px;color:var(--text-primary);font-weight:700}.learning-icon{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,#f59e0b,#f43f5e);display:inline-block}.learning-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.learning-primary{background:linear-gradient(135deg,#2563eb,#06b6d4);color:#f8fafc;border:1px solid #1d4ed8;box-shadow:0 16px 32px #06b6d447}.learning-primary:hover{transform:translateY(-1px)}.learning-primary:active{transform:translateY(1px)}.learning-secondary{background:var(--panel-strong);color:var(--text-primary);border:1px solid var(--panel-border);box-shadow:none}.learning-secondary:hover{border-color:var(--accent-1)}@media (max-width: 900px){.lesson-panel__grid{grid-template-columns:1fr}}.board-row{display:flex;align-items:stretch;gap:12px}.evaluation-bar{width:56px;display:flex;flex-direction:column;align-items:center;gap:8px}.evaluation-label{font-size:11px;color:var(--text-muted);font-weight:800;letter-spacing:.02em;text-transform:uppercase}.evaluation-track{position:relative;flex:1 1 auto;width:20px;min-height:420px;height:100%;border-radius:999px;border:1px solid var(--panel-border);overflow:visible;background:var(--panel-strong);box-shadow:inset 0 1px #ffffff0f,0 12px 24px #0000002e}.evaluation-fill{position:absolute;top:1px;right:1px;bottom:1px;left:1px;border-radius:999px;overflow:hidden;display:flex;flex-direction:column-reverse}.evaluation-white,.evaluation-black{width:100%;transition:height 1s ease}.evaluation-white{background:linear-gradient(180deg,#e8edf7,#c7d7ff)}.evaluation-black{background:linear-gradient(180deg,#0b1224,#111827)}.theme-light .evaluation-white{background:linear-gradient(180deg,#fff,#e2e8f0)}.evaluation-marker{position:absolute;left:50%;transform:translate(-50%,50%);background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:10px;padding:4px 6px;color:var(--text-primary);font-weight:800;font-size:12px;min-width:44px;text-align:center;box-shadow:var(--panel-shadow);opacity:0;pointer-events:none;transition:opacity .18s ease,bottom .25s ease;z-index:2}.evaluation-track:hover .evaluation-marker{opacity:1}*{box-sizing:border-box}body{margin:0;font-family:Manrope,Inter,Segoe UI,Arial,sans-serif;background:#eef2f7;color:#0f172a}#root{min-height:100vh}.react-flow{direction:ltr;--xy-edge-stroke-default: #b1b1b7;--xy-edge-stroke-width-default: 1;--xy-edge-stroke-selected-default: #555;--xy-connectionline-stroke-default: #b1b1b7;--xy-connectionline-stroke-width-default: 1;--xy-attribution-background-color-default: rgba(255, 255, 255, .5);--xy-minimap-background-color-default: #fff;--xy-minimap-mask-background-color-default: rgba(240, 240, 240, .6);--xy-minimap-mask-stroke-color-default: transparent;--xy-minimap-mask-stroke-width-default: 1;--xy-minimap-node-background-color-default: #e2e2e2;--xy-minimap-node-stroke-color-default: transparent;--xy-minimap-node-stroke-width-default: 2;--xy-background-color-default: transparent;--xy-background-pattern-dots-color-default: #91919a;--xy-background-pattern-lines-color-default: #eee;--xy-background-pattern-cross-color-default: #e2e2e2;background-color:var(--xy-background-color, var(--xy-background-color-default));--xy-node-color-default: inherit;--xy-node-border-default: 1px solid #1a192b;--xy-node-background-color-default: #fff;--xy-node-group-background-color-default: rgba(240, 240, 240, .25);--xy-node-boxshadow-hover-default: 0 1px 4px 1px rgba(0, 0, 0, .08);--xy-node-boxshadow-selected-default: 0 0 0 .5px #1a192b;--xy-node-border-radius-default: 3px;--xy-handle-background-color-default: #1a192b;--xy-handle-border-color-default: #fff;--xy-selection-background-color-default: rgba(0, 89, 220, .08);--xy-selection-border-default: 1px dotted rgba(0, 89, 220, .8);--xy-controls-button-background-color-default: #fefefe;--xy-controls-button-background-color-hover-default: #f4f4f4;--xy-controls-button-color-default: inherit;--xy-controls-button-color-hover-default: inherit;--xy-controls-button-border-color-default: #eee;--xy-controls-box-shadow-default: 0 0 2px 1px rgba(0, 0, 0, .08);--xy-edge-label-background-color-default: #ffffff;--xy-edge-label-color-default: inherit;--xy-resize-background-color-default: #3367d9}.react-flow.dark{--xy-edge-stroke-default: #3e3e3e;--xy-edge-stroke-width-default: 1;--xy-edge-stroke-selected-default: #727272;--xy-connectionline-stroke-default: #b1b1b7;--xy-connectionline-stroke-width-default: 1;--xy-attribution-background-color-default: rgba(150, 150, 150, .25);--xy-minimap-background-color-default: #141414;--xy-minimap-mask-background-color-default: rgba(60, 60, 60, .6);--xy-minimap-mask-stroke-color-default: transparent;--xy-minimap-mask-stroke-width-default: 1;--xy-minimap-node-background-color-default: #2b2b2b;--xy-minimap-node-stroke-color-default: transparent;--xy-minimap-node-stroke-width-default: 2;--xy-background-color-default: #141414;--xy-background-pattern-dots-color-default: #777;--xy-background-pattern-lines-color-default: #777;--xy-background-pattern-cross-color-default: #777;--xy-node-color-default: #f8f8f8;--xy-node-border-default: 1px solid #3c3c3c;--xy-node-background-color-default: #1e1e1e;--xy-node-group-background-color-default: rgba(240, 240, 240, .25);--xy-node-boxshadow-hover-default: 0 1px 4px 1px rgba(255, 255, 255, .08);--xy-node-boxshadow-selected-default: 0 0 0 .5px #999;--xy-handle-background-color-default: #bebebe;--xy-handle-border-color-default: #1e1e1e;--xy-selection-background-color-default: rgba(200, 200, 220, .08);--xy-selection-border-default: 1px dotted rgba(200, 200, 220, .8);--xy-controls-button-background-color-default: #2b2b2b;--xy-controls-button-background-color-hover-default: #3e3e3e;--xy-controls-button-color-default: #f8f8f8;--xy-controls-button-color-hover-default: #fff;--xy-controls-button-border-color-default: #5b5b5b;--xy-controls-box-shadow-default: 0 0 2px 1px rgba(0, 0, 0, .08);--xy-edge-label-background-color-default: #141414;--xy-edge-label-color-default: #f8f8f8}.react-flow__background{background-color:var(--xy-background-color-props, var(--xy-background-color, var(--xy-background-color-default)));pointer-events:none;z-index:-1}.react-flow__container{position:absolute;width:100%;height:100%;top:0;left:0}.react-flow__pane{z-index:1}.react-flow__pane.draggable{cursor:grab}.react-flow__pane.dragging{cursor:grabbing}.react-flow__pane.selection{cursor:pointer}.react-flow__viewport{transform-origin:0 0;z-index:2;pointer-events:none}.react-flow__renderer{z-index:4}.react-flow__selection{z-index:6}.react-flow__nodesselection-rect:focus,.react-flow__nodesselection-rect:focus-visible{outline:none}.react-flow__edge-path{stroke:var(--xy-edge-stroke, var(--xy-edge-stroke-default));stroke-width:var(--xy-edge-stroke-width, var(--xy-edge-stroke-width-default));fill:none}.react-flow__connection-path{stroke:var(--xy-connectionline-stroke, var(--xy-connectionline-stroke-default));stroke-width:var(--xy-connectionline-stroke-width, var(--xy-connectionline-stroke-width-default));fill:none}.react-flow .react-flow__edges{position:absolute}.react-flow .react-flow__edges svg{overflow:visible;position:absolute;pointer-events:none}.react-flow__edge{pointer-events:visibleStroke}.react-flow__edge.selectable{cursor:pointer}.react-flow__edge.animated path{stroke-dasharray:5;animation:dashdraw .5s linear infinite}.react-flow__edge.animated path.react-flow__edge-interaction{stroke-dasharray:none;animation:none}.react-flow__edge.inactive{pointer-events:none}.react-flow__edge.selected,.react-flow__edge:focus,.react-flow__edge:focus-visible{outline:none}.react-flow__edge.selected .react-flow__edge-path,.react-flow__edge.selectable:focus .react-flow__edge-path,.react-flow__edge.selectable:focus-visible .react-flow__edge-path{stroke:var(--xy-edge-stroke-selected, var(--xy-edge-stroke-selected-default))}.react-flow__edge-textwrapper{pointer-events:all}.react-flow__edge .react-flow__edge-text{pointer-events:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}.react-flow__arrowhead polyline{stroke:var(--xy-edge-stroke, var(--xy-edge-stroke-default))}.react-flow__arrowhead polyline.arrowclosed{fill:var(--xy-edge-stroke, var(--xy-edge-stroke-default))}.react-flow__connection{pointer-events:none}.react-flow__connection .animated{stroke-dasharray:5;animation:dashdraw .5s linear infinite}svg.react-flow__connectionline{z-index:1001;overflow:visible;position:absolute}.react-flow__nodes{pointer-events:none;transform-origin:0 0}.react-flow__node{position:absolute;-webkit-user-select:none;-moz-user-select:none;user-select:none;pointer-events:all;transform-origin:0 0;box-sizing:border-box;cursor:default}.react-flow__node.selectable{cursor:pointer}.react-flow__node.draggable{cursor:grab;pointer-events:all}.react-flow__node.draggable.dragging{cursor:grabbing}.react-flow__nodesselection{z-index:3;transform-origin:left top;pointer-events:none}.react-flow__nodesselection-rect{position:absolute;pointer-events:all;cursor:grab}.react-flow__handle{position:absolute;pointer-events:none;min-width:5px;min-height:5px;width:6px;height:6px;background-color:var(--xy-handle-background-color, var(--xy-handle-background-color-default));border:1px solid var(--xy-handle-border-color, var(--xy-handle-border-color-default));border-radius:100%}.react-flow__handle.connectingfrom{pointer-events:all}.react-flow__handle.connectionindicator{pointer-events:all;cursor:crosshair}.react-flow__handle-bottom{top:auto;left:50%;bottom:0;transform:translate(-50%,50%)}.react-flow__handle-top{top:0;left:50%;transform:translate(-50%,-50%)}.react-flow__handle-left{top:50%;left:0;transform:translate(-50%,-50%)}.react-flow__handle-right{top:50%;right:0;transform:translate(50%,-50%)}.react-flow__edgeupdater{cursor:move;pointer-events:all}.react-flow__pane.selection .react-flow__panel{pointer-events:none}.react-flow__panel{position:absolute;z-index:5;margin:15px}.react-flow__panel.top{top:0}.react-flow__panel.bottom{bottom:0}.react-flow__panel.top.center,.react-flow__panel.bottom.center{left:50%;transform:translate(-15px) translate(-50%)}.react-flow__panel.left{left:0}.react-flow__panel.right{right:0}.react-flow__panel.left.center,.react-flow__panel.right.center{top:50%;transform:translateY(-15px) translateY(-50%)}.react-flow__attribution{font-size:10px;background:var(--xy-attribution-background-color, var(--xy-attribution-background-color-default));padding:2px 3px;margin:0}.react-flow__attribution a{text-decoration:none;color:#999}@keyframes dashdraw{0%{stroke-dashoffset:10}}.react-flow__edgelabel-renderer{position:absolute;width:100%;height:100%;pointer-events:none;-webkit-user-select:none;-moz-user-select:none;user-select:none;left:0;top:0}.react-flow__viewport-portal{position:absolute;width:100%;height:100%;left:0;top:0;-webkit-user-select:none;-moz-user-select:none;user-select:none}.react-flow__minimap{background:var( --xy-minimap-background-color-props, var(--xy-minimap-background-color, var(--xy-minimap-background-color-default)) )}.react-flow__minimap-svg{display:block}.react-flow__minimap-mask{fill:var( --xy-minimap-mask-background-color-props, var(--xy-minimap-mask-background-color, var(--xy-minimap-mask-background-color-default)) );stroke:var( --xy-minimap-mask-stroke-color-props, var(--xy-minimap-mask-stroke-color, var(--xy-minimap-mask-stroke-color-default)) );stroke-width:var( --xy-minimap-mask-stroke-width-props, var(--xy-minimap-mask-stroke-width, var(--xy-minimap-mask-stroke-width-default)) )}.react-flow__minimap-node{fill:var( --xy-minimap-node-background-color-props, var(--xy-minimap-node-background-color, var(--xy-minimap-node-background-color-default)) );stroke:var( --xy-minimap-node-stroke-color-props, var(--xy-minimap-node-stroke-color, var(--xy-minimap-node-stroke-color-default)) );stroke-width:var( --xy-minimap-node-stroke-width-props, var(--xy-minimap-node-stroke-width, var(--xy-minimap-node-stroke-width-default)) )}.react-flow__background-pattern.dots{fill:var( --xy-background-pattern-color-props, var(--xy-background-pattern-color, var(--xy-background-pattern-dots-color-default)) )}.react-flow__background-pattern.lines{stroke:var( --xy-background-pattern-color-props, var(--xy-background-pattern-color, var(--xy-background-pattern-lines-color-default)) )}.react-flow__background-pattern.cross{stroke:var( --xy-background-pattern-color-props, var(--xy-background-pattern-color, var(--xy-background-pattern-cross-color-default)) )}.react-flow__controls{display:flex;flex-direction:column;box-shadow:var(--xy-controls-box-shadow, var(--xy-controls-box-shadow-default))}.react-flow__controls.horizontal{flex-direction:row}.react-flow__controls-button{display:flex;justify-content:center;align-items:center;height:26px;width:26px;padding:4px;border:none;background:var(--xy-controls-button-background-color, var(--xy-controls-button-background-color-default));border-bottom:1px solid var( --xy-controls-button-border-color-props, var(--xy-controls-button-border-color, var(--xy-controls-button-border-color-default)) );color:var( --xy-controls-button-color-props, var(--xy-controls-button-color, var(--xy-controls-button-color-default)) );cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.react-flow__controls-button svg{width:100%;max-width:12px;max-height:12px;fill:currentColor}.react-flow__edge.updating .react-flow__edge-path{stroke:#777}.react-flow__edge-text{font-size:10px}.react-flow__node.selectable:focus,.react-flow__node.selectable:focus-visible{outline:none}.react-flow__node-input,.react-flow__node-default,.react-flow__node-output,.react-flow__node-group{padding:10px;border-radius:var(--xy-node-border-radius, var(--xy-node-border-radius-default));width:150px;font-size:12px;color:var(--xy-node-color, var(--xy-node-color-default));text-align:center;border:var(--xy-node-border, var(--xy-node-border-default));background-color:var(--xy-node-background-color, var(--xy-node-background-color-default))}.react-flow__node-input.selectable:hover,.react-flow__node-default.selectable:hover,.react-flow__node-output.selectable:hover,.react-flow__node-group.selectable:hover{box-shadow:var(--xy-node-boxshadow-hover, var(--xy-node-boxshadow-hover-default))}.react-flow__node-input.selectable.selected,.react-flow__node-input.selectable:focus,.react-flow__node-input.selectable:focus-visible,.react-flow__node-default.selectable.selected,.react-flow__node-default.selectable:focus,.react-flow__node-default.selectable:focus-visible,.react-flow__node-output.selectable.selected,.react-flow__node-output.selectable:focus,.react-flow__node-output.selectable:focus-visible,.react-flow__node-group.selectable.selected,.react-flow__node-group.selectable:focus,.react-flow__node-group.selectable:focus-visible{box-shadow:var(--xy-node-boxshadow-selected, var(--xy-node-boxshadow-selected-default))}.react-flow__node-group{background-color:var(--xy-node-group-background-color, var(--xy-node-group-background-color-default))}.react-flow__nodesselection-rect,.react-flow__selection{background:var(--xy-selection-background-color, var(--xy-selection-background-color-default));border:var(--xy-selection-border, var(--xy-selection-border-default))}.react-flow__nodesselection-rect:focus,.react-flow__nodesselection-rect:focus-visible,.react-flow__selection:focus,.react-flow__selection:focus-visible{outline:none}.react-flow__controls-button:hover{background:var( --xy-controls-button-background-color-hover-props, var(--xy-controls-button-background-color-hover, var(--xy-controls-button-background-color-hover-default)) );color:var( --xy-controls-button-color-hover-props, var(--xy-controls-button-color-hover, var(--xy-controls-button-color-hover-default)) )}.react-flow__controls-button:disabled{pointer-events:none}.react-flow__controls-button:disabled svg{fill-opacity:.4}.react-flow__controls-button:last-child{border-bottom:none}.react-flow__controls.horizontal .react-flow__controls-button{border-bottom:none;border-right:1px solid var( --xy-controls-button-border-color-props, var(--xy-controls-button-border-color, var(--xy-controls-button-border-color-default)) )}.react-flow__controls.horizontal .react-flow__controls-button:last-child{border-right:none}.react-flow__resize-control{position:absolute}.react-flow__resize-control.left,.react-flow__resize-control.right{cursor:ew-resize}.react-flow__resize-control.top,.react-flow__resize-control.bottom{cursor:ns-resize}.react-flow__resize-control.top.left,.react-flow__resize-control.bottom.right{cursor:nwse-resize}.react-flow__resize-control.bottom.left,.react-flow__resize-control.top.right{cursor:nesw-resize}.react-flow__resize-control.handle{width:5px;height:5px;border:1px solid #fff;border-radius:1px;background-color:var(--xy-resize-background-color, var(--xy-resize-background-color-default));translate:-50% -50%}.react-flow__resize-control.handle.left{left:0;top:50%}.react-flow__resize-control.handle.right{left:100%;top:50%}.react-flow__resize-control.handle.top{left:50%;top:0}.react-flow__resize-control.handle.bottom{left:50%;top:100%}.react-flow__resize-control.handle.top.left,.react-flow__resize-control.handle.bottom.left{left:0}.react-flow__resize-control.handle.top.right,.react-flow__resize-control.handle.bottom.right{left:100%}.react-flow__resize-control.line{border-color:var(--xy-resize-background-color, var(--xy-resize-background-color-default));border-width:0;border-style:solid}.react-flow__resize-control.line.left,.react-flow__resize-control.line.right{width:1px;transform:translate(-50%);top:0;height:100%}.react-flow__resize-control.line.left{left:0;border-left-width:1px}.react-flow__resize-control.line.right{left:100%;border-right-width:1px}.react-flow__resize-control.line.top,.react-flow__resize-control.line.bottom{height:1px;transform:translateY(-50%);left:0;width:100%}.react-flow__resize-control.line.top{top:0;border-top-width:1px}.react-flow__resize-control.line.bottom{border-bottom-width:1px;top:100%}.react-flow__edge-textbg{fill:var(--xy-edge-label-background-color, var(--xy-edge-label-background-color-default))}.react-flow__edge-text{fill:var(--xy-edge-label-color, var(--xy-edge-label-color-default))}
