:root{--surface-900:#050714;--surface-850:#0a0e1a;--surface-800:#111827;--surface-700:#1a2332;--surface-600:#1e293b;--surface-500:#273548;--surface-400:#334155;--accent-50:#f0f4ff;--accent-200:#bac8ff;--accent-300:#a5b4fc;--accent-400:#818cf8;--accent-500:#6366f1;--accent-600:#4f46e5;--accent-violet:#a78bfa;--accent-cyan:#22d3ee;--accent-amber:#fbbf24;--accent-green:#4ade80;--accent-pink:#f472b6;--text-100:#f1f5f9;--text-200:#e2e8f0;--text-300:#cbd5e1;--text-400:#94a3b8;--text-500:#64748b;--text-600:#475569;--border-soft:#ffffff0f;--border-medium:#94a3b82e;--border-strong:#94a3b852;--shadow-glow:0 0 32px #6366f12e;--font-sans:"Inter", "SF Pro Text", system-ui, -apple-system, sans-serif;--font-mono:ui-monospace, "JetBrains Mono", "SF Mono", Menlo, monospace}[data-accent=violet]{--accent-500:#8b5cf6;--accent-600:#7c3aed;--accent-400:#a78bfa;--accent-300:#c4b5fd}[data-accent=cyan]{--accent-500:#06b6d4;--accent-600:#0891b2;--accent-400:#22d3ee;--accent-300:#67e8f9}[data-accent=rose]{--accent-500:#f43f5e;--accent-600:#e11d48;--accent-400:#fb7185;--accent-300:#fda4af}*{box-sizing:border-box}html,body,#root,#app{background:var(--surface-900);width:100%;height:100%;color:var(--text-200);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0;overflow:hidden}button{font-family:inherit}kbd{font-family:var(--font-mono);border:1px solid var(--border-medium);color:var(--text-300);background:#ffffff0f;border-radius:4px;padding:2px 5px;font-size:10px}.kg-app{background:radial-gradient(ellipse at top, #6366f10f 0%, transparent 50%), var(--surface-900);grid-template-rows:56px 1fr;height:100vh;display:grid}.kg-top{-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border-soft);z-index:30;background:#0a0e1ad9;justify-content:space-between;align-items:center;gap:12px;padding:0 16px;display:flex;position:relative;overflow:hidden}.kg-top-left{flex:auto;align-items:center;gap:20px;min-width:0;display:flex;overflow:hidden}.kg-top-right{flex:none;align-items:center;gap:12px;display:flex}.kg-logo{border-right:1px solid var(--border-soft);align-items:center;gap:10px;padding-right:16px;display:flex}.kg-logo-glyph{color:var(--accent-300);filter:drop-shadow(0 0 6px #a5b4fc80)}.kg-logo-text{flex-direction:column;line-height:1.05;display:flex}.kg-logo-name{color:var(--text-100);letter-spacing:-.01em;font-size:14px;font-weight:700}.kg-logo-sub{color:var(--text-500);letter-spacing:.16em;text-transform:uppercase;margin-top:2px;font-size:9px;font-weight:600}.kg-breadcrumb{flex-wrap:nowrap;align-items:center;gap:6px;min-width:0;display:flex;overflow:hidden}.kg-breadcrumb-sep{color:var(--text-600);flex-shrink:0;font-size:11px}.kg-breadcrumb-btn-top{cursor:pointer;color:var(--text-400);white-space:nowrap;text-overflow:ellipsis;background:0 0;border:none;border-radius:4px;max-width:220px;padding:4px 8px;font-size:12px;font-weight:500;transition:color .12s;overflow:hidden}.kg-breadcrumb-btn-top.current{flex-shrink:0}.kg-breadcrumb-btn-top:not(.current):hover{color:var(--accent-300);background:#6366f114}.kg-breadcrumb-btn-top.current{color:var(--accent-200);cursor:default;font-weight:600}.kg-breadcrumb-btn-top:disabled{cursor:default}.kg-search-btn{border:1px solid var(--border-medium);color:var(--text-400);cursor:pointer;background:#1e293b99;border-radius:7px;align-items:center;gap:8px;min-width:260px;padding:6px 10px 6px 9px;font-size:12px;transition:all .14s;display:flex}.kg-search-btn:hover{border-color:var(--accent-500);color:var(--text-200);background:#1e293bd9}.kg-search-btn>span:first-of-type{text-align:left;flex:1}.kg-search-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:100;background:#050714b3;justify-content:center;align-items:flex-start;padding-top:12vh;display:flex;position:fixed;inset:0}.kg-search-modal{border:1px solid var(--border-medium);background:#111827f2;border-radius:12px;width:min(560px,92vw);overflow:hidden;box-shadow:0 20px 80px #0009,0 0 0 1px #6366f11a}.kg-search-input{width:100%;color:var(--text-100);border:none;border-bottom:1px solid var(--border-soft);background:0 0;outline:none;padding:14px 18px;font-size:15px}.kg-search-input::placeholder{color:var(--text-500)}.kg-search-results{max-height:340px;padding:4px;overflow-y:auto}.kg-search-result{cursor:pointer;text-align:left;width:100%;color:var(--text-200);background:0 0;border:none;border-radius:6px;align-items:center;gap:10px;padding:8px 12px;font-size:13px;transition:background .1s;display:flex}.kg-search-result:hover{background:#6366f11f}.kg-sr-shape{flex-shrink:0;width:12px;height:12px}.kg-sr-shape[data-shape=circle]{border-radius:50%}.kg-sr-shape[data-shape=diamond]{transform:rotate(45deg)}.kg-sr-shape[data-shape=triangle]{clip-path:polygon(50% 0,100% 100%,0 100%)}.kg-sr-shape[data-shape=hexagon]{clip-path:polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%)}.kg-sr-title{font-weight:500}.kg-sr-path{color:var(--text-500);margin-left:auto;font-size:10px}.kg-search-empty{text-align:center;color:var(--text-500);padding:24px;font-size:12px}.kg-search-foot{border-top:1px solid var(--border-soft);color:var(--text-500);gap:12px;padding:8px 14px;font-size:10px;display:flex}.kg-progress-pill{border:1px solid var(--border-medium);background:#1e293b99;border-radius:7px;align-items:center;gap:8px;padding:5px 10px;display:flex}.kg-progress-pill-label{color:var(--text-500);letter-spacing:.08em;text-transform:uppercase;font-size:10px;font-weight:600}.kg-progress-bar{background:var(--surface-600);border-radius:4px;width:80px;height:5px;overflow:hidden}.kg-progress-fill{background:linear-gradient(90deg, var(--accent-400), var(--accent-green));border-radius:4px;height:100%;transition:width .6s ease-out;box-shadow:0 0 8px #4ade8066}.kg-progress-pill-val{color:var(--text-100);font-variant-numeric:tabular-nums;text-align:right;min-width:32px;font-size:12px;font-weight:600}.kg-avatar{background:linear-gradient(135deg, var(--accent-500), var(--accent-violet));color:#fff;border:1.5px solid #ffffff1a;border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;font-size:11px;font-weight:700;display:flex}.kg-theme-toggle{border:1px solid var(--border-medium);width:32px;height:32px;color:var(--text-400);cursor:pointer;background:#1e293b99;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;transition:color .14s,border-color .14s,background .14s;display:flex}.kg-theme-toggle:hover{color:var(--accent-300);border-color:var(--accent-500);background:#1e293bd9}.kg-theme-toggle svg{width:16px;height:16px;display:block}.kg-main{grid-template-columns:minmax(0,1fr) 360px;height:calc(100vh - 56px);display:grid;overflow:hidden}.kg-canvas-shell{position:relative;overflow:hidden}.kg-canvas-container{width:100%;height:100%;position:absolute;inset:0}.kg-canvas-container svg{-webkit-user-select:none;user-select:none}.kg-anchor-card{-webkit-backdrop-filter:blur(14px);border:1px solid var(--border-medium);z-index:10;background:#111827c7;border-radius:10px;max-width:320px;padding:12px 14px;position:absolute;top:16px;left:16px;box-shadow:0 8px 32px #0006}.kg-anchor-card-label{color:var(--text-500);letter-spacing:.14em;text-transform:uppercase;margin-bottom:4px;font-size:9px;font-weight:600}.kg-anchor-card-title{color:var(--text-100);letter-spacing:-.01em;margin-bottom:4px;font-size:17px;font-weight:700}.kg-anchor-card-desc{color:var(--text-400);font-size:11.5px;line-height:1.45}.kg-back-btn{color:var(--accent-300);cursor:pointer;background:#6366f11f;border:1px solid #6366f14d;border-radius:5px;margin-top:10px;padding:4px 9px;font-size:11px;transition:all .12s}.kg-back-btn:hover{color:var(--accent-200);background:#6366f138}.kg-unavailable{-webkit-backdrop-filter:blur(14px);border:1px solid var(--border-medium);text-align:center;z-index:20;background:#111827eb;border-radius:12px;max-width:380px;padding:22px 26px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 8px 32px #00000080}.kg-unavailable-title{color:var(--text-100);margin-bottom:8px;font-size:16px;font-weight:700}.kg-unavailable-desc{color:var(--text-400);font-size:12px;line-height:1.5}.kg-unavailable .kg-back-btn{margin-top:14px}.kg-legend{-webkit-backdrop-filter:blur(14px);border:1px solid var(--border-medium);z-index:10;background:#111827c7;border-radius:10px;gap:18px;padding:10px 12px;display:flex;position:absolute;bottom:16px;left:16px;box-shadow:0 8px 32px #0006}.kg-legend-section{flex-direction:column;gap:6px;display:flex}.kg-legend-label{color:var(--text-500);letter-spacing:.14em;text-transform:uppercase;font-size:9px;font-weight:600}.kg-legend-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.kg-legend-row>span{color:var(--text-300);font-size:10.5px}.kg-legend-dot{vertical-align:middle;border-radius:50%;width:8px;height:8px;margin-right:4px;display:inline-block}.kg-minimap{-webkit-backdrop-filter:blur(14px);border:1px solid var(--border-medium);z-index:10;background:#111827c7;border-radius:10px;width:180px;padding:10px;position:absolute;top:16px;right:16px;box-shadow:0 8px 32px #0006}.kg-minimap-title{color:var(--text-500);letter-spacing:.16em;text-transform:uppercase;border-bottom:1px solid var(--border-soft);margin-bottom:6px;padding:0 6px 6px;font-size:9px;font-weight:700}.kg-minimap-list{flex-direction:column;gap:1px;display:flex}.kg-minimap-item{cursor:pointer;color:var(--text-400);text-align:left;background:0 0;border:none;border-radius:5px;align-items:center;gap:8px;padding:5px 8px;font-size:11.5px;transition:all .12s;display:flex}.kg-minimap-item:hover{color:var(--text-200);background:#6366f11a}.kg-minimap-item.active{color:var(--accent-200);background:#6366f12e;font-weight:600}.kg-minimap-item.root{border-bottom:1px dashed var(--border-soft);margin-bottom:4px;padding-bottom:6px}.kg-mm-glyph{text-align:center;width:12px;color:var(--accent-400);font-size:10px}.kg-mm-dot{border-radius:50%;width:6px;height:6px;margin-left:auto}.kg-side{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-left:1px solid var(--border-soft);background:#0a0e1a99;flex-direction:column;display:flex;overflow-y:auto}.kg-panel{flex-direction:column;height:100%;display:flex}.kg-panel-empty{justify-content:center;align-items:center;height:100%;padding:40px 24px;display:flex}.kg-panel-empty-inner{text-align:center;max-width:240px}.kg-panel-empty-glyph{color:var(--text-600);opacity:.5;margin-bottom:12px;font-size:48px}.kg-panel-empty-title{color:var(--text-300);margin-bottom:6px;font-size:14px;font-weight:600}.kg-panel-empty-sub{color:var(--text-500);margin-bottom:24px;font-size:12px;line-height:1.5}.kg-panel-empty-hints{flex-direction:column;align-items:stretch;gap:6px;display:flex}.kg-hint-row{border:1px solid var(--border-soft);color:var(--text-400);background:#1e293b66;border-radius:5px;align-items:center;gap:10px;padding:6px 10px;font-size:11px;display:flex}.kg-hint-row kbd{text-align:center;min-width:56px}.kg-panel-header{border-bottom:1px solid var(--border-soft);background:linear-gradient(#6366f10a,#0000);padding:18px 20px 14px}.kg-panel-title{color:var(--text-100);letter-spacing:-.01em;margin:0 0 8px;font-size:19px;font-weight:700;line-height:1.25}.kg-panel-mastery{align-items:center;gap:6px;display:flex}.kg-icon-btn{color:var(--text-500);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:5px;justify-content:center;align-items:center;width:24px;height:24px;font-size:12px;transition:all .1s;display:flex}.kg-icon-btn:hover{color:var(--accent-pink);background:#f472b61f}.kg-panel-body{flex:1;padding:16px 20px 24px;overflow-y:auto}.kg-panel-summary{color:var(--text-300);margin:0 0 16px;font-size:13px;line-height:1.55}.kg-edit-input{box-sizing:border-box;width:100%;color:var(--text-100);background:#0f172ab3;border:1px solid #6366f180;border-radius:6px;outline:none;margin-bottom:6px;padding:6px 10px;font-size:16px;font-weight:700}.kg-edit-input:focus{border-color:var(--accent-indigo);box-shadow:0 0 0 2px #6366f140}.kg-edit-textarea{box-sizing:border-box;width:100%;color:var(--text-200);resize:vertical;background:#0f172ab3;border:1px solid #6366f166;border-radius:6px;outline:none;margin-bottom:10px;padding:8px 10px;font-family:inherit;font-size:13px;line-height:1.5}.kg-edit-textarea:focus{border-color:var(--accent-indigo);box-shadow:0 0 0 2px #6366f140}.kg-edit-bar{align-items:center;gap:8px;margin-bottom:16px;display:flex}.kg-edit-save{background:var(--accent-indigo);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:5px 14px;font-size:12px;font-weight:600}.kg-edit-save:hover:not(:disabled){background:#4f46e5}.kg-edit-save:disabled{opacity:.5;cursor:default}.kg-edit-cancel{color:var(--text-300);cursor:pointer;background:#1e293bb3;border:1px solid #64748b4d;border-radius:6px;padding:5px 12px;font-size:12px}.kg-edit-cancel:hover:not(:disabled){color:var(--text-100)}.kg-edit-error{color:#f87171;font-size:11px}.kg-section{margin-top:18px}.kg-section-label{letter-spacing:.14em;text-transform:uppercase;color:var(--text-500);margin-bottom:8px;font-size:9.5px;font-weight:700}.kg-stats-grid{grid-template-columns:1fr 1fr;gap:6px;margin:10px 0 14px;display:grid}.kg-stat{border:1px solid var(--border-soft);background:#1e293b66;border-radius:6px;padding:8px 10px}.kg-stat-label{color:var(--text-500);letter-spacing:.1em;text-transform:uppercase;font-size:9px;font-weight:600}.kg-stat-value{color:var(--text-100);font-variant-numeric:tabular-nums;margin-top:2px;font-size:16px;font-weight:600}.kg-breadcrumb-stack{flex-direction:column;gap:4px;display:flex}.kg-breadcrumb-row{align-items:center;gap:8px;display:flex}.kg-breadcrumb-tick{text-align:center;width:12px;color:var(--text-500);font-size:10px}.kg-breadcrumb-btn{text-align:left;cursor:pointer;color:var(--text-300);background:0 0;border:none;border-radius:5px;flex:1;padding:6px 8px;font-size:12px;transition:all .1s}.kg-breadcrumb-btn:not(.current):hover{color:var(--accent-300);background:#6366f11a}.kg-breadcrumb-btn.current{color:var(--accent-200);cursor:default;font-weight:600}.kg-edge-list,.kg-child-list{flex-direction:column;gap:3px;display:flex}.kg-edge-item,.kg-child-item{border:1px solid var(--border-soft);cursor:pointer;text-align:left;color:var(--text-200);background:#1e293b4d;border-radius:6px;align-items:center;gap:9px;padding:7px 10px;font-size:12px;transition:all .12s;display:flex}.kg-edge-item:hover,.kg-child-item:hover{background:#6366f11f;border-color:#6366f14d}.kg-edge-item-title{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.kg-edge-item-type{letter-spacing:.1em;color:var(--accent-amber);font-size:8.5px;font-weight:700;font-family:var(--font-mono)}.kg-child-shape{flex-shrink:0;width:11px;height:11px}.kg-child-shape[data-shape=circle]{border-radius:50%}.kg-child-shape[data-shape=diamond]{transform:rotate(45deg)}.kg-child-shape[data-shape=triangle]{clip-path:polygon(50% 0,100% 100%,0 100%)}.kg-child-shape[data-shape=hexagon]{clip-path:polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%)}.kg-child-title{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.kg-child-check{color:var(--accent-green);font-size:13px;font-weight:700}.kg-action-bar{gap:8px;margin-top:20px;display:flex}.kg-action-btn{cursor:pointer;border:1px solid #0000;border-radius:7px;flex:1;padding:9px 14px;font-size:12.5px;font-weight:600;transition:all .14s}.kg-action-btn.primary{background:linear-gradient(135deg, var(--accent-500), var(--accent-600));color:#fff;box-shadow:0 4px 12px #6366f159}.kg-action-btn.primary:hover{transform:translateY(-1px);box-shadow:0 6px 18px #6366f180}.kg-action-btn.ghost{color:var(--text-300);border-color:var(--border-medium);background:#1e293b66}.kg-action-btn.ghost:hover{color:var(--text-100);background:#1e293b99}.kg-mastery-picker{grid-template-columns:1fr 1fr;gap:6px;display:grid}.kg-mastery-chip{border:1px solid var(--border-soft);cursor:pointer;color:var(--text-300);background:#1e293b4d;border-radius:6px;align-items:center;gap:7px;padding:7px 9px;font-size:11px;transition:all .1s;display:flex}.kg-mastery-chip:hover{background:#1e293b99}.kg-mastery-chip.active{color:var(--text-100);background:#6366f124}.graph-node-label{text-shadow:0 0 4px #050714f2,0 0 8px #050714b3,0 1px 2px #000c;font-family:var(--font-sans)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--surface-500);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--surface-400)}.kg-app:before{content:"";pointer-events:none;z-index:0;opacity:.7;background:radial-gradient(1px 1px at 12% 18%,#fff6,#0000 50%),radial-gradient(1px 1px at 28% 72%,#ffffff4d,#0000 50%),radial-gradient(1px 1px at 55% 38%,#ffffff59,#0000 50%),radial-gradient(1px 1px at 78% 85%,#ffffff40,#0000 50%),radial-gradient(1px 1px at 92% 22%,#fff6,#0000 50%),radial-gradient(1px 1px at 40% 8%,#ffffff4d,#0000 50%),radial-gradient(1.5px 1.5px at 65% 60%,#a5b4fc59,#0000 50%);position:fixed;inset:0}.kg-modal-overlay{z-index:200;-webkit-backdrop-filter:blur(10px);opacity:1;background:#050714c7;justify-content:center;align-items:center;padding:24px;animation:.18s ease-out both kgFadeIn;display:flex;position:fixed;inset:0}@keyframes kgFadeIn{0%{-webkit-backdrop-filter:blur()}to{-webkit-backdrop-filter:blur(10px)}}@keyframes kgScaleIn{0%{transform:translateY(8px)scale(.98)}to{transform:translateY(0)scale(1)}}.kg-modal{border:1px solid var(--border-medium);opacity:1;background:linear-gradient(#1a1f3af5,#0a0e1af5);border-radius:14px;flex-direction:column;width:100%;max-width:640px;max-height:calc(100vh - 48px);animation:.24s cubic-bezier(.16,1,.3,1) both kgScaleIn;display:flex;position:relative;overflow:hidden;box-shadow:0 24px 80px #0009,0 0 0 1px #6366f11a,0 0 80px #6366f11a}.kg-modal-path,.kg-modal-quiz{max-width:720px}.kg-modal-result{max-width:560px}.kg-modal-close{border:1px solid var(--border-soft);width:28px;height:28px;color:var(--text-400);cursor:pointer;z-index:2;background:#ffffff0d;border-radius:6px;justify-content:center;align-items:center;font-size:13px;transition:all .12s;display:flex;position:absolute;top:14px;right:14px}.kg-modal-close:hover{color:var(--accent-pink);border-color:var(--accent-pink);background:#f472b626}.kg-modal-eyebrow{letter-spacing:.18em;text-transform:uppercase;color:var(--accent-300);padding:24px 28px 4px;font-size:10px;font-weight:700}.kg-modal-title{color:var(--text-100);letter-spacing:-.015em;margin:0;padding:0 28px;font-size:26px;font-weight:700;line-height:1.15}.kg-modal-desc{color:var(--text-400);margin:10px 0 0;padding:0 28px;font-size:13.5px;line-height:1.55}.kg-modal-actions{border-top:1px solid var(--border-soft);background:#05071459;justify-content:flex-end;gap:8px;margin-top:auto;padding:16px 24px 22px;display:flex}.kg-modal-empty{text-align:center;align-items:center;max-width:460px;padding:36px 28px}.kg-modal-empty h2{color:var(--text-100);margin:8px 0;font-size:18px}.kg-modal-empty p{color:var(--text-400);margin:0 0 20px;font-size:13px;line-height:1.5}.kg-modal-empty-glyph{color:var(--text-600);opacity:.5;font-size:56px}.kg-modal-empty-actions{gap:8px;display:flex}.kg-modal-intro{padding-bottom:0}.kg-quiz-meta-grid{grid-template-columns:1fr 1fr 1fr 1fr;gap:8px;padding:22px 28px 6px;display:grid}.kg-quiz-meta{border:1px solid var(--border-soft);background:#1e293b66;border-radius:7px;padding:10px 12px}.kg-quiz-meta-label{letter-spacing:.14em;text-transform:uppercase;color:var(--text-500);margin-bottom:4px;font-size:9px;font-weight:700}.kg-quiz-meta-value{color:var(--text-100);font-variant-numeric:tabular-nums;font-size:18px;font-weight:700}.kg-quiz-header{border-bottom:1px solid var(--border-soft);background:#05071473;align-items:center;gap:14px;padding:16px 22px;display:flex}.kg-quiz-header-title{color:var(--text-200);font-size:13px;font-weight:600}.kg-quiz-progress{flex:1;gap:4px;display:flex}.kg-quiz-dot{background:#94a3b82e;border-radius:2px;flex:1;max-width:36px;height:4px;transition:all .24s}.kg-quiz-dot.current{background:var(--accent-400);box-shadow:0 0 8px var(--accent-400)}.kg-quiz-dot.correct{background:var(--accent-green)}.kg-quiz-dot.wrong{background:var(--accent-pink)}.kg-quiz-timer{font-family:var(--font-mono);color:var(--text-400);border:1px solid var(--border-soft);font-variant-numeric:tabular-nums;background:#1e293b80;border-radius:5px;padding:4px 8px;font-size:11px}.kg-quiz-body{flex:1;padding:28px;overflow-y:auto}.kg-quiz-q-num{letter-spacing:.14em;text-transform:uppercase;color:var(--text-500);margin-bottom:10px;font-size:10px;font-weight:700}.kg-quiz-q-text{color:var(--text-100);letter-spacing:-.01em;text-wrap:pretty;margin:0 0 24px;font-size:22px;font-weight:600;line-height:1.35}.kg-quiz-choices{flex-direction:column;gap:8px;display:flex}.kg-quiz-choice{border:1.5px solid var(--border-medium);color:var(--text-200);cursor:pointer;text-align:left;background:#1e293b73;border-radius:9px;align-items:center;gap:14px;width:100%;padding:13px 16px;font-size:14.5px;transition:all .14s;display:flex}.kg-quiz-choice:hover:not(:disabled):not(.picked){border-color:var(--accent-500);background:#6366f11a}.kg-quiz-choice:disabled{cursor:default}.kg-quiz-choice.picked{border-color:var(--accent-400);box-shadow:0 0 0 1px var(--accent-400), 0 0 20px #6366f140;background:#6366f12e}.kg-quiz-choice.correct{border-color:var(--accent-green);box-shadow:0 0 0 1px var(--accent-green), 0 0 22px #4ade8040;background:#4ade8024}.kg-quiz-choice.wrong{border-color:var(--accent-pink);background:#f472b61f}.kg-quiz-typed{flex-direction:column;gap:10px;display:flex}.kg-quiz-typed-input{border:1.5px solid var(--border-medium);color:var(--text-100);background:#1e293b73;border-radius:9px;width:100%;padding:13px 16px;font-size:16px;transition:all .14s}.kg-quiz-typed-input:focus{border-color:var(--accent-500);box-shadow:0 0 0 1px var(--accent-500), 0 0 18px #6366f133;outline:none}.kg-quiz-typed-input:disabled{cursor:default}.kg-quiz-typed-input.correct{border-color:var(--accent-green);box-shadow:0 0 0 1px var(--accent-green), 0 0 22px #4ade8040}.kg-quiz-typed-input.wrong{border-color:var(--accent-pink);box-shadow:0 0 0 1px var(--accent-pink)}.kg-quiz-typed-answer{color:var(--text-300);font-size:13px}.kg-quiz-typed-answer strong{color:var(--accent-green)}.kg-quiz-choice-key{border:1px solid var(--border-medium);width:26px;height:26px;font-family:var(--font-mono);color:var(--text-300);background:#ffffff0f;border-radius:5px;flex-shrink:0;justify-content:center;align-items:center;font-size:11px;font-weight:600;display:flex}.kg-quiz-choice.picked .kg-quiz-choice-key{border-color:var(--accent-400);color:#fff;background:#6366f14d}.kg-quiz-choice.correct .kg-quiz-choice-key{background:var(--accent-green);border-color:var(--accent-green);color:#0a0e1a}.kg-quiz-choice.wrong .kg-quiz-choice-key{background:var(--accent-pink);border-color:var(--accent-pink);color:#fff}.kg-quiz-choice-text{flex:1}.kg-quiz-choice-mark{font-size:18px;font-weight:700}.kg-quiz-choice.correct .kg-quiz-choice-mark{color:var(--accent-green)}.kg-quiz-choice.wrong .kg-quiz-choice-mark{color:var(--accent-pink)}.kg-quiz-explain{background:#1e293b66;border-left:3px solid;border-radius:8px;margin-top:18px;padding:12px 14px}.kg-quiz-explain.correct{border-color:var(--accent-green);background:#4ade800f}.kg-quiz-explain.wrong{border-color:var(--accent-pink);background:#f472b60f}.kg-quiz-explain-label{letter-spacing:.14em;text-transform:uppercase;margin-bottom:4px;font-size:10px;font-weight:700}.kg-quiz-explain.correct .kg-quiz-explain-label{color:var(--accent-green)}.kg-quiz-explain.wrong .kg-quiz-explain-label{color:var(--accent-pink)}.kg-quiz-explain-text{color:var(--text-300);font-size:12.5px;line-height:1.5}.kg-quiz-footer{border-top:1px solid var(--border-soft);background:#05071473;align-items:center;gap:12px;padding:14px 22px;display:flex}.kg-quiz-hint{color:var(--text-500);flex:1;gap:6px;font-size:10.5px;display:flex}.kg-quiz-hint kbd{font-size:10px}.kg-modal-result{text-align:center;padding-top:28px}.kg-result-score-ring{width:140px;height:140px;margin:8px auto 0;position:relative}.kg-result-score-text{flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.kg-result-pct{color:var(--text-100);letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-size:32px;font-weight:800;line-height:1}.kg-result-frac{color:var(--text-500);font-variant-numeric:tabular-nums;margin-top:4px;font-size:11px}.kg-result-headline{color:var(--text-100);margin:18px 0 4px;padding:0 28px;font-size:22px;font-weight:700}.kg-result-sub{color:var(--text-400);margin:0 0 18px;padding:0 28px;font-size:13px}.kg-result-question-list{text-align:left;flex-direction:column;gap:4px;max-height:30vh;padding:0 28px;display:flex;overflow-y:auto}.kg-result-q{color:var(--text-300);background:#1e293b4d;border-left:2px solid;border-radius:6px;align-items:center;gap:10px;padding:7px 10px;font-size:12px;display:flex}.kg-result-q.correct{border-color:var(--accent-green)}.kg-result-q.wrong{border-color:var(--accent-pink)}.kg-result-q-num{width:18px;height:18px;color:var(--text-400);background:#ffffff0f;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;font-size:10px;font-weight:700;display:flex}.kg-result-q-text{flex:1}.kg-result-q-mark{font-size:14px;font-weight:700}.kg-result-q.correct .kg-result-q-mark{color:var(--accent-green)}.kg-result-q.wrong .kg-result-q-mark{color:var(--accent-pink)}.kg-path-summary{grid-template-columns:1fr 1fr 1fr;gap:8px;padding:22px 28px 8px;display:grid}.kg-path-summary-stat{border:1px solid var(--border-soft);text-align:center;background:#1e293b66;border-radius:8px;padding:12px}.kg-path-summary-num{color:var(--text-100);font-variant-numeric:tabular-nums;font-size:24px;font-weight:700;line-height:1}.kg-path-summary-label{color:var(--text-500);letter-spacing:.12em;text-transform:uppercase;margin-top:6px;font-size:9.5px;font-weight:600}.kg-path-toggle{color:var(--text-400);cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:8px;padding:12px 28px 4px;font-size:12px;display:flex}.kg-path-toggle input[type=checkbox]{appearance:none;border:1.5px solid var(--border-strong);cursor:pointer;background:#1e293b66;border-radius:3px;width:14px;height:14px;transition:all .1s;position:relative}.kg-path-toggle input[type=checkbox]:checked{background:var(--accent-500);border-color:var(--accent-500)}.kg-path-toggle input[type=checkbox]:checked:after{content:"✓";color:#fff;justify-content:center;align-items:center;font-size:10px;font-weight:800;display:flex;position:absolute;inset:0}.kg-path-list{flex-direction:column;gap:6px;max-height:48vh;margin:0;padding:8px 24px 16px;list-style:none;display:flex;position:relative;overflow-y:auto}.kg-path-list:before{content:"";background:linear-gradient(to bottom, transparent 0%, var(--border-medium) 10%, var(--border-medium) 90%, transparent 100%);pointer-events:none;z-index:0;width:1.5px;position:absolute;top:18px;bottom:18px;left:41px}.kg-path-step{border:1px solid var(--border-soft);z-index:1;background:#1e293b59;border-radius:9px;align-items:flex-start;gap:14px;padding:12px 14px;transition:all .14s;display:flex;position:relative}.kg-path-step:hover{border-color:var(--border-medium);background:#1e293b8c}.kg-path-step.done{opacity:.55}.kg-path-step.target{border-color:var(--accent-400);box-shadow:0 0 0 1px var(--accent-400), 0 0 22px #6366f12e;background:#6366f11a}.kg-path-step-num{background:var(--surface-700);border:1.5px solid var(--border-medium);width:24px;height:24px;color:var(--text-300);font-variant-numeric:tabular-nums;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-top:2px;font-size:11px;font-weight:700;display:flex}.kg-path-step.done .kg-path-step-num{background:var(--accent-green);border-color:var(--accent-green);color:#0a0e1a;font-size:13px}.kg-path-step.target .kg-path-step-num{background:var(--accent-400);border-color:var(--accent-400);color:#fff}.kg-path-step-body{flex:1;min-width:0}.kg-path-step-title{color:var(--text-100);align-items:center;gap:8px;margin-bottom:4px;font-size:14px;font-weight:600;display:flex}.kg-path-target-tag{letter-spacing:.14em;background:var(--accent-400);color:#fff;border-radius:3px;padding:2px 5px;font-size:8.5px;font-weight:800}.kg-path-step-meta{color:var(--text-400);align-items:center;gap:6px;margin-bottom:5px;font-size:10.5px;display:flex}.kg-path-step-type{font-family:var(--font-mono);letter-spacing:.06em;font-weight:700}.kg-path-step-divider{color:var(--text-600)}.kg-mastery-mini{border-radius:50%;width:7px;height:7px;display:inline-block}.kg-path-step-summary{color:var(--text-400);font-size:12px;line-height:1.45}.kg-path-step-actions{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:4px;display:flex}.kg-path-step-btn{border:1px solid var(--border-medium);color:var(--text-300);cursor:pointer;background:#ffffff0a;border-radius:5px;padding:4px 9px;font-size:11px;transition:all .1s}.kg-path-step-btn:hover{color:var(--accent-200);border-color:var(--accent-500);background:#6366f11f}.kg-path-step-btn.primary{color:var(--accent-amber);background:#fcd34d1f;border-color:#fcd34d66}.kg-path-step-btn.primary:hover{color:#fde68a;background:#fcd34d38}.kg-path-empty{text-align:center;color:var(--text-300);background:#4ade800f;border:1px solid #4ade8040;border-radius:9px;margin:16px 28px;padding:28px;font-size:13px}.kg-path-empty-glyph{color:var(--accent-green);filter:drop-shadow(0 0 12px #4ade8080);margin-bottom:8px;font-size:36px}.nv-overlay{z-index:150;background:radial-gradient(ellipse at top, #6366f10f 0%, transparent 50%), var(--surface-900);flex-direction:column;display:flex;position:fixed;inset:0}.nv-top-progress{background:linear-gradient(90deg, var(--accent-400), var(--accent-green));z-index:160;height:2px;transition:width .12s linear;position:fixed;top:0;left:0;box-shadow:0 0 6px #6366f180}.nv-header{-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border-soft);z-index:5;background:#0a0e1aeb;align-items:center;gap:16px;padding:12px 24px;display:flex;position:sticky;top:0}.nv-back{border:1px solid var(--border-medium);color:var(--text-300);cursor:pointer;background:#1e293b80;border-radius:7px;align-items:center;gap:7px;padding:6px 12px 6px 9px;font-size:12px;transition:all .12s;display:flex}.nv-back:hover{color:var(--accent-200);border-color:var(--accent-500);background:#6366f11f}.nv-back svg{color:currentColor}.nv-breadcrumb{flex:1;align-items:center;gap:6px;min-width:0;display:flex}.nv-breadcrumb button{cursor:pointer;color:var(--text-500);background:0 0;border:none;border-radius:4px;padding:4px 8px;font-size:12px;transition:color .12s}.nv-breadcrumb button:hover{color:var(--accent-300);background:#6366f114}.nv-breadcrumb-sep{color:var(--text-600);font-size:11px}.nv-breadcrumb-current{color:var(--text-200);padding:4px 8px;font-size:12px;font-weight:600}.nv-header-right{align-items:center;gap:10px;display:flex}.nv-mastery-indicator{border:1px solid var(--border-medium);color:var(--text-300);background:#1e293b80;border-radius:7px;align-items:center;gap:7px;padding:5px 10px;font-size:11px;display:flex}.nv-mastery-dot{border-radius:50%;width:7px;height:7px;display:inline-block;box-shadow:0 0 6px}.nv-close{border:1px solid var(--border-soft);width:30px;height:30px;color:var(--text-400);cursor:pointer;background:#ffffff0a;border-radius:6px;justify-content:center;align-items:center;font-size:13px;transition:all .12s;display:flex}.nv-close:hover{color:var(--accent-pink);border-color:var(--accent-pink);background:#f472b626}.nv-body{scroll-behavior:smooth;flex:1;padding:32px 40px 100px;overflow-y:auto}.nv-hero{max-width:920px;margin:0 auto 32px}.nv-hero-eyebrow{align-items:center;gap:10px;margin-bottom:14px;display:flex}.nv-time-pill{border:1px solid var(--border-soft);color:var(--text-400);background:#1e293b80;border-radius:11px;align-items:center;gap:5px;padding:3px 8px;font-size:10.5px;font-weight:500;display:inline-flex}.nv-hero-title{letter-spacing:-.02em;color:var(--text-100);background:linear-gradient(135deg,#e0e7ff 0%,#c4b5fd 60%,#a5b4fc 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0 0 14px;font-size:42px;font-weight:800;line-height:1.05}.nv-hero-intro{color:var(--text-300);text-wrap:pretty;max-width:720px;margin:0 0 22px;font-size:16px;line-height:1.55}.nv-goals{background:linear-gradient(135deg,#6366f114,#a78bfa0d);border:1px solid #6366f12e;border-radius:10px;padding:16px 18px}.nv-goals-label{letter-spacing:.16em;text-transform:uppercase;color:var(--accent-300);margin-bottom:10px;font-size:10px;font-weight:700}.nv-goals-list{grid-template-columns:1fr 1fr;gap:6px;margin:0;padding:0;list-style:none;display:grid}.nv-goals-item{color:var(--text-200);align-items:flex-start;gap:8px;font-size:13px;display:flex}.nv-goals-tick{color:var(--accent-400);flex-shrink:0;font-weight:700}.nv-columns{grid-template-columns:minmax(0,1fr) 280px;gap:40px;max-width:1100px;margin:0 auto;display:grid}.nv-content{min-width:0}.nv-aside{flex-direction:column;align-self:start;gap:18px;display:flex;position:sticky;top:24px}@media (width<=900px){.nv-columns{grid-template-columns:1fr}.nv-aside{position:static}}.nv-heading{color:var(--text-100);letter-spacing:-.01em;border-left:3px solid var(--accent-400);margin:32px 0 12px;padding-left:14px;font-size:22px;font-weight:700}.nv-heading:first-child{margin-top:0}.nv-prose{color:var(--text-200);text-wrap:pretty;max-width:65ch;margin:0 0 16px;font-size:14.5px;line-height:1.65}.nv-formula{border:1px solid var(--border-medium);text-align:center;color:var(--accent-200);letter-spacing:.04em;background:#1e293b66;border-radius:10px;margin:18px 0;padding:18px 24px;font-family:JetBrains Mono,ui-monospace,monospace;font-size:22px;font-weight:500}.nv-keypoint{border-left:3px solid var(--accent-amber);color:var(--text-200);background:linear-gradient(135deg,#fcd34d14,#fcd34d05);border-radius:6px;align-items:flex-start;gap:12px;margin:18px 0;padding:14px 18px;font-size:14px;line-height:1.55;display:flex}.nv-keypoint-icon{color:var(--accent-amber);filter:drop-shadow(0 0 6px #fcd34d80);flex-shrink:0;font-size:18px}.nv-example{background:#6ee7b70a;border:1px solid #6ee7b72e;border-radius:10px;margin:18px 0;padding:16px 20px}.nv-example-label{letter-spacing:.16em;text-transform:uppercase;color:#6ee7b7;margin-bottom:10px;font-size:10px;font-weight:700}.nv-example-steps{flex-direction:column;gap:6px;margin:0;padding-left:22px;display:flex}.nv-example-steps li{color:var(--text-200);font-family:JetBrains Mono,ui-monospace,monospace;font-size:13.5px;line-height:1.55}.nv-visual-placeholder{border:1.5px dashed var(--border-medium);text-align:center;color:var(--text-500);border-radius:10px;margin:18px 0;padding:32px;font-size:13px}.nv-empty{text-align:center;border:1px dashed var(--border-medium);background:#1e293b40;border-radius:12px;padding:48px 32px}.nv-empty-glyph{color:var(--text-600);opacity:.5;margin-bottom:12px;font-size:48px}.nv-empty h3{color:var(--text-100);margin:0 0 8px;font-size:18px}.nv-empty p{color:var(--text-400);max-width:460px;margin:0 auto 10px;font-size:13.5px;line-height:1.55}.nv-empty-summary{background:#05071480;border-radius:6px;margin-top:14px;padding:12px 16px;font-style:italic;color:var(--text-300)!important}.nv-aside-section{border:1px solid var(--border-soft);background:#1118278c;border-radius:10px;padding:14px 16px}.nv-aside-label{letter-spacing:.16em;text-transform:uppercase;color:var(--text-400);margin-bottom:10px;font-size:9.5px;font-weight:700}.nv-aside-list{flex-direction:column;gap:2px;display:flex}.nv-aside-item{cursor:pointer;text-align:left;color:var(--text-300);background:0 0;border:none;border-radius:5px;align-items:center;gap:9px;padding:6px 8px;font-size:12.5px;transition:all .1s;display:flex}.nv-aside-item:hover{color:var(--text-100);background:#6366f11a}.nv-aside-dot{border-radius:50%;flex-shrink:0;width:7px;height:7px;display:inline-block;box-shadow:0 0 5px}.nv-aside-item-title{flex:1}.nv-aside-check{color:var(--accent-green);font-weight:700}.nv-progress-section{text-align:center}.nv-progress-ring{width:80px;height:80px;margin:6px auto 0;position:relative}.nv-progress-ring-text{flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.nv-progress-ring-pct{color:var(--text-100);font-variant-numeric:tabular-nums;font-size:16px;font-weight:700;line-height:1}.nv-progress-ring-label{color:var(--text-500);letter-spacing:.12em;text-transform:uppercase;margin-top:2px;font-size:9px}.nv-footer{-webkit-backdrop-filter:blur(14px);border:1px solid var(--border-soft);background:#0a0e1aeb;border-radius:12px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;max-width:1100px;margin:32px auto 0;padding:14px 18px;display:flex;position:sticky;bottom:0;box-shadow:0 -8px 24px #0000004d}.nv-footer-mastery{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.nv-footer-label{color:var(--text-500);margin-right:6px;font-size:11px}.nv-mastery-btn{border:1px solid var(--border-soft);color:var(--text-300);cursor:pointer;background:#1e293b66;border-radius:6px;align-items:center;gap:6px;padding:5px 10px;font-size:11.5px;transition:all .12s;display:flex}.nv-mastery-btn:hover{border-color:var(--c);color:var(--text-100)}.nv-mastery-btn.active{border-color:var(--c);color:var(--text-100);background:#6366f124}.nv-mastery-btn-dot{border-radius:50%;width:7px;height:7px;display:inline-block}.nv-footer-actions{gap:8px;display:flex}.lw-card{border:1px solid var(--border-medium);background:#11182799;border-radius:12px;grid-template-columns:auto 1fr;align-items:center;gap:24px;margin:22px 0;padding:20px;display:grid}@media (width<=700px){.lw-card{grid-template-columns:1fr}}.lw-card-viz{background:radial-gradient(circle,#6366f10f,#0000 70%);border-radius:8px;justify-content:center;align-items:center;min-width:200px;padding:12px;display:flex}.lw-card-meta{flex-direction:column;gap:12px;min-width:0;display:flex}.lw-card-label{color:var(--text-500);letter-spacing:.08em;text-transform:uppercase;font-size:11px}.lw-fraction-big{color:var(--accent-200);flex-direction:column;align-items:center;font-family:JetBrains Mono,ui-monospace,monospace;font-size:38px;font-weight:700;line-height:1;display:inline-flex}.lw-frac-top,.lw-frac-bot{padding:2px 0}.lw-frac-bar{background:var(--accent-300);border-radius:1px;width:44px;height:2px;margin:2px 0;display:block}.lw-controls{flex-direction:column;gap:8px;display:flex}.lw-ctl-row{grid-template-columns:80px 1fr 28px;align-items:center;gap:10px;display:grid}.lw-ctl-row label{letter-spacing:.1em;text-transform:uppercase;color:var(--text-500);font-size:10px;font-weight:600}.lw-ctl-row input[type=range]{appearance:none;background:var(--surface-600);border-radius:4px;outline:none;height:4px}.lw-ctl-row input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--accent-400);border:2px solid var(--surface-900);cursor:pointer;border-radius:50%;width:14px;height:14px;box-shadow:0 0 8px #6366f180}.lw-ctl-row input[type=range]::-moz-range-thumb{background:var(--accent-400);border:2px solid var(--surface-900);cursor:pointer;border-radius:50%;width:14px;height:14px;box-shadow:0 0 8px #6366f180}.lw-ctl-val{color:var(--text-100);text-align:right;font-variant-numeric:tabular-nums;font-family:JetBrains Mono,ui-monospace,monospace;font-size:12px;font-weight:600}.lw-card-equiv{grid-template-columns:1fr}.lw-equiv-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:18px;display:flex}.lw-equiv-side{flex-direction:column;align-items:center;gap:6px;display:flex}.lw-equiv-eq{color:var(--accent-300);font-family:JetBrains Mono,ui-monospace,monospace;font-size:28px;font-weight:700}.lw-equiv-note{text-align:center;color:var(--text-400);background:#05071466;border-radius:5px;margin-top:4px;padding:6px 10px;font-family:JetBrains Mono,ui-monospace,monospace;font-size:12px}.lw-product{align-items:baseline;gap:6px;font-family:JetBrains Mono,ui-monospace,monospace;font-size:24px;font-weight:700;display:flex}.lw-product-a,.lw-product-b{color:var(--accent-300)}.lw-product-x,.lw-product-eq{color:var(--text-500);font-weight:400}.lw-product-out{color:var(--accent-green);text-shadow:0 0 12px #4ade8066;font-size:32px}@keyframes lwFadeCell{0%{opacity:0;transform-origin:50%;transform:scale(.6)}to{opacity:1;transform:scale(1)}}.lw-pyth-eq{letter-spacing:.02em;font-family:JetBrains Mono,ui-monospace,monospace;font-size:22px;font-weight:700}.lw-pyth-eq-num{color:var(--text-400);font-family:JetBrains Mono,ui-monospace,monospace;font-size:14px}.lw-practice{border:1px solid var(--border-medium);background:#1e293b59;border-radius:10px;margin:18px 0;padding:16px 18px;transition:border-color .2s}.lw-practice.correct{background:#4ade800d;border-color:#4ade8080}.lw-practice.wrong{background:#f472b60a;border-color:#f472b680}.lw-practice-q{color:var(--text-100);margin-bottom:12px;font-size:14px;font-weight:600}.lw-practice-choices{grid-template-columns:1fr 1fr;gap:6px;display:grid}@media (width<=600px){.lw-practice-choices{grid-template-columns:1fr}}.lw-practice-choice{border:1.5px solid var(--border-soft);color:var(--text-200);cursor:pointer;text-align:left;background:#05071466;border-radius:7px;align-items:center;gap:10px;padding:8px 12px;font-size:13px;transition:all .12s;display:flex}.lw-practice-choice:hover:not(:disabled):not(.picked){border-color:var(--accent-500);background:#6366f11a}.lw-practice-choice:disabled{cursor:default;opacity:.5}.lw-practice-choice.picked.correct,.lw-practice-choice.correct{border-color:var(--accent-green);color:var(--text-100);opacity:1;background:#4ade8024}.lw-practice-choice.wrong{border-color:var(--accent-pink);color:var(--text-100);opacity:1;background:#f472b624}.lw-practice-key{border:1px solid var(--border-medium);width:22px;height:22px;color:var(--text-300);background:#ffffff0d;border-radius:5px;flex-shrink:0;justify-content:center;align-items:center;font-family:JetBrains Mono,ui-monospace,monospace;font-size:10px;font-weight:600;display:flex}.lw-practice-choice.correct .lw-practice-key{background:var(--accent-green);border-color:var(--accent-green);color:#0a0e1a}.lw-practice-choice.wrong .lw-practice-key{background:var(--accent-pink);border-color:var(--accent-pink);color:#fff}.lw-practice-mark{margin-left:auto;font-weight:700}.lw-practice-choice.correct .lw-practice-mark{color:var(--accent-green)}.lw-practice-choice.wrong .lw-practice-mark{color:var(--accent-pink)}.lw-practice-explain{border-top:1px solid var(--border-soft);color:var(--text-300);margin-top:10px;padding-top:10px;font-size:12.5px;line-height:1.5}.lw-practice-explain strong{color:var(--text-100)}.kg-lens{align-items:center;gap:8px;display:flex}.kg-lens-label{letter-spacing:.14em;text-transform:uppercase;color:var(--text-500);font-size:9.5px;font-weight:700}.kg-lens-seg{border:1px solid var(--border-soft);background:#0000004d;border-radius:8px;gap:2px;padding:3px;display:flex}.kg-lens-opt{cursor:pointer;color:var(--text-400);background:0 0;border:none;border-radius:6px;padding:5px 11px;font-family:inherit;font-size:11.5px;font-weight:600;transition:all .12s}.kg-lens-opt:hover{color:var(--text-100)}.kg-lens-opt.active{background:color-mix(in oklch, var(--lc,var(--accent-400)) 18%, transparent);color:var(--lc,var(--accent-200));box-shadow:inset 0 0 0 1px color-mix(in oklch, var(--lc,var(--accent-400)) 45%, transparent)}.kg-real-list{flex-direction:column;gap:6px;display:flex}.kg-real-row{text-align:left;border:1px solid var(--border-soft);cursor:pointer;background:#1e293b66;border-radius:8px;align-items:center;gap:10px;padding:8px 10px;font-family:inherit;transition:all .12s;display:flex}.kg-real-row:hover{border-color:var(--border-strong);background:#1e293bb3}.kg-real-row.active{border-color:var(--accent-500);background:#6366f11a}.kg-real-level{letter-spacing:.1em;text-transform:uppercase;color:var(--lc,var(--accent-300));background:color-mix(in oklch, var(--lc,var(--accent-400)) 16%, transparent);border-radius:5px;flex-shrink:0;padding:3px 7px;font-size:8.5px;font-weight:700}.kg-real-meta{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.kg-real-label{color:var(--text-200);font-size:12.5px;font-weight:600}.kg-real-sub{color:var(--text-500);font-size:10.5px}.kg-real-lenstag{letter-spacing:.1em;text-transform:uppercase;color:var(--accent-300);flex-shrink:0;font-size:8.5px;font-weight:700}.kg-real-hint{color:var(--text-500);margin-top:8px;font-size:10.5px;line-height:1.5}.kg-attempt-list{flex-direction:column;gap:6px;display:flex}.kg-attempt-row{border:1px solid var(--border-soft);background:#1e293b66;border-radius:8px;align-items:center;gap:10px;padding:7px 10px;display:flex}.kg-attempt-score{flex-shrink:0;min-width:38px;font-size:12.5px;font-weight:700}.kg-attempt-score.pass{color:var(--accent-green)}.kg-attempt-score.fail{color:var(--accent-pink)}.kg-attempt-level{letter-spacing:.1em;text-transform:uppercase;color:var(--lc,var(--accent-300));background:color-mix(in oklch, var(--lc,var(--accent-400)) 16%, transparent);border-radius:5px;flex-shrink:0;padding:3px 7px;font-size:8.5px;font-weight:700}.kg-attempt-level-none{color:var(--text-500);background:0 0}.kg-attempt-when{color:var(--text-500);flex-shrink:0;margin-left:auto;font-size:10.5px}.kg-strength{background:var(--surface-600);border-radius:3px;flex-shrink:0;width:30px;height:4px;display:inline-block;overflow:hidden}.kg-strength-fill{background:var(--accent-amber);border-radius:3px;height:100%;display:block}.nv-real-rail{flex-wrap:wrap;gap:8px;margin:4px 0 18px;display:flex}.nv-real-chip{cursor:pointer;border:1px solid var(--border-soft);background:#1e293b80;border-radius:9px;align-items:center;gap:7px;padding:7px 11px;font-family:inherit;transition:all .13s;display:flex}.nv-real-chip:hover{border-color:var(--border-strong)}.nv-real-chip.active{border-color:var(--lc,var(--accent-500));background:color-mix(in oklch, var(--lc,var(--accent-400)) 12%, #1e293b80);box-shadow:0 0 0 1px color-mix(in oklch, var(--lc,var(--accent-400)) 35%, transparent)}.nv-real-chip-level{letter-spacing:.1em;text-transform:uppercase;color:var(--lc,var(--accent-300));font-size:8.5px;font-weight:700}.nv-real-chip-name{color:var(--text-200);font-size:12px;font-weight:600}.nv-real-chip-mod{color:var(--text-500);font-size:12px}.nv-real-chip-lens{color:var(--lc,var(--accent-300));font-size:9px}.nv-section{margin-bottom:8px}.nv-empty-summary{color:var(--text-400);margin-top:12px;font-size:13px;font-style:italic}:root{--au-tree-w:300px;--au-inspect-w:420px;--au-row-h:30px;--edit-ring:#6366f18c}[data-density=compact]{--au-row-h:26px}[data-density=comfy]{--au-row-h:36px}.au-app{background:radial-gradient(ellipse at top, #6366f10f 0%, transparent 50%), var(--surface-900);grid-template-rows:52px 1fr;height:100vh;display:grid}.au-top{-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border-soft);z-index:40;background:#0a0e1ae6;justify-content:space-between;align-items:center;gap:16px;padding:0 14px;display:flex;position:relative}.au-top-left,.au-top-right{align-items:center;gap:12px;display:flex}.au-logo{border-right:1px solid var(--border-soft);align-items:center;gap:9px;padding-right:14px;display:flex}.au-logo-glyph{color:var(--accent-300);filter:drop-shadow(0 0 6px #a5b4fc80)}.au-logo-text{flex-direction:column;line-height:1.05;display:flex}.au-logo-name{color:var(--text-100);letter-spacing:-.01em;font-size:13.5px;font-weight:700}.au-mode-badge{letter-spacing:.14em;text-transform:uppercase;color:var(--accent-amber);align-items:center;gap:5px;margin-top:2px;font-size:9px;font-weight:700;display:inline-flex}.au-mode-badge:before{content:"";background:var(--accent-amber);width:5px;height:5px;box-shadow:0 0 6px var(--accent-amber);border-radius:50%}.au-crumbs{align-items:center;gap:5px;min-width:0;display:flex}.au-crumb-sep{color:var(--text-600);font-size:11px}.au-crumb{cursor:pointer;color:var(--text-400);white-space:nowrap;background:0 0;border:none;border-radius:5px;padding:4px 7px;font-size:12px;font-weight:500;transition:all .12s}.au-crumb:not(.current):hover{color:var(--accent-300);background:#6366f114}.au-crumb.current{color:var(--accent-200);cursor:default;font-weight:600}.au-validate{border:1px solid var(--border-medium);cursor:pointer;color:var(--text-300);background:#1e293b99;border-radius:7px;align-items:center;gap:7px;padding:5px 10px;font-size:11.5px;transition:all .14s;display:flex;position:relative}.au-validate:hover{border-color:var(--border-strong);color:var(--text-100)}.au-validate.clean{color:var(--accent-green)}.au-validate.warn{color:var(--accent-amber);border-color:#fbbf2459}.au-validate-dot{background:currentColor;border-radius:50%;width:7px;height:7px;box-shadow:0 0 6px}.au-validate-count{font-variant-numeric:tabular-nums;font-weight:700}.au-validate-pop{z-index:60;border:1px solid var(--border-medium);cursor:default;background:#111827f7;border-radius:11px;width:340px;max-height:60vh;padding:6px;position:absolute;top:calc(100% + 8px);right:0;overflow-y:auto;box-shadow:0 24px 64px #0009,0 0 0 1px #6366f114}.au-validate-pop-head{letter-spacing:.14em;text-transform:uppercase;color:var(--text-500);padding:8px 10px 6px;font-size:9.5px;font-weight:700}.au-issue{cursor:pointer;text-align:left;background:0 0;border:none;border-radius:7px;align-items:flex-start;gap:10px;width:100%;padding:8px 10px;transition:background .1s;display:flex}.au-issue:hover{background:#6366f11a}.au-issue-icon{flex-shrink:0;width:16px;height:16px;margin-top:1px}.au-issue.error .au-issue-icon{color:var(--accent-pink)}.au-issue.warn .au-issue-icon{color:var(--accent-amber)}.au-issue-body{min-width:0}.au-issue-msg{color:var(--text-200);font-size:12px;line-height:1.4}.au-issue-where{color:var(--text-500);font-size:10.5px;font-family:var(--font-mono);margin-top:2px}.au-issue-ok{text-align:center;color:var(--text-400);padding:18px 12px;font-size:12px}.au-save-status{color:var(--text-500);align-items:center;gap:8px;font-size:11px;display:flex}.au-dirty-dot{background:var(--accent-amber);width:7px;height:7px;box-shadow:0 0 6px var(--accent-amber);border-radius:50%}.au-saved-tick{color:var(--accent-green)}.au-btn{cursor:pointer;border:1px solid #0000;border-radius:7px;align-items:center;gap:6px;padding:6px 13px;font-family:inherit;font-size:12px;font-weight:600;transition:all .14s;display:inline-flex}.au-btn.primary{background:linear-gradient(135deg, var(--accent-500), var(--accent-600));color:#fff;box-shadow:0 4px 12px #6366f159}.au-btn.primary:hover{transform:translateY(-1px);box-shadow:0 6px 18px #6366f180}.au-btn.primary:disabled{opacity:.4;cursor:default;box-shadow:none;transform:none}.au-btn.ghost{color:var(--text-300);border-color:var(--border-medium);background:#1e293b80}.au-btn.ghost:hover{color:var(--text-100);background:#1e293bbf}.au-btn.ghost:disabled{opacity:.35;cursor:default}.au-btn.danger{color:var(--accent-pink);background:#f472b61a;border-color:#f472b64d}.au-btn.danger:hover{background:#f472b633}.au-avatar{background:linear-gradient(135deg, var(--accent-500), var(--accent-violet));color:#fff;border:1.5px solid #ffffff1a;border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;font-size:11px;font-weight:700;display:flex}.au-main{grid-template-columns:var(--au-tree-w) minmax(0, 1fr) var(--au-inspect-w);height:calc(100vh - 52px);display:grid;overflow:hidden}.au-tree{border-right:1px solid var(--border-soft);background:#0a0e1a8c;flex-direction:column;display:flex;overflow:hidden}.au-tree-head{border-bottom:1px solid var(--border-soft);padding:12px 12px 10px}.au-tree-title-row{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.au-tree-title{letter-spacing:.14em;text-transform:uppercase;color:var(--text-500);font-size:10px;font-weight:700}.au-tree-count{color:var(--text-600);font-variant-numeric:tabular-nums;font-size:10px}.au-add-btn{color:var(--accent-300);cursor:pointer;background:#6366f124;border:1px solid #6366f152;border-radius:6px;align-items:center;gap:5px;padding:4px 9px;font-family:inherit;font-size:11px;font-weight:600;transition:all .12s;display:inline-flex}.au-add-btn:hover{color:var(--accent-200);background:#6366f13d}.au-tree-search{border:1px solid var(--border-medium);width:100%;color:var(--text-100);background:#1e293b99;border-radius:7px;outline:none;padding:7px 10px;font-family:inherit;font-size:12px}.au-tree-search:focus{border-color:var(--accent-500)}.au-tree-search::placeholder{color:var(--text-500)}.au-tree-body{flex:1;padding:8px 8px 24px;overflow-y:auto}.au-tnode{-webkit-user-select:none;user-select:none}.au-tnode-row{min-height:var(--au-row-h);cursor:pointer;border-radius:6px;align-items:center;gap:4px;padding:0 6px 0 0;transition:background .1s;display:flex;position:relative}.au-tnode-row:hover{background:#6366f114}.au-tnode-row.selected{background:#6366f12e}.au-tnode-row.selected:before{content:"";background:var(--accent-400);border-radius:2px;width:2.5px;position:absolute;top:4px;bottom:4px;left:0}.au-tnode-row.drop-into{background:#4ade801f;box-shadow:inset 0 0 0 1px #4ade8080}.au-tnode-row.dragging{opacity:.4}.au-twist{width:16px;height:16px;color:var(--text-500);cursor:pointer;background:0 0;border:none;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;font-size:9px;transition:transform .14s,color .1s;display:flex}.au-twist:hover{color:var(--text-200)}.au-twist.open{transform:rotate(90deg)}.au-twist.leaf{visibility:hidden}.au-tnode-shape{flex-shrink:0;width:11px;height:11px}.au-tnode-shape[data-shape=circle]{border-radius:50%}.au-tnode-shape[data-shape=diamond]{transform:rotate(45deg)}.au-tnode-shape[data-shape=triangle]{clip-path:polygon(50% 0,100% 100%,0 100%)}.au-tnode-shape[data-shape=hexagon]{clip-path:polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%)}.au-tnode-label{min-width:0;color:var(--text-200);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:12.5px;overflow:hidden}.au-tnode-row.selected .au-tnode-label{color:var(--text-100);font-weight:600}.au-tnode-mastery{border-radius:50%;flex-shrink:0;width:6px;height:6px}.au-tnode-flag{color:var(--accent-amber);opacity:.85;flex-shrink:0;font-size:9px;line-height:1}.au-tnode-addchild{width:18px;height:18px;color:var(--text-500);cursor:pointer;background:0 0;border:none;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;font-size:13px;display:none}.au-tnode-row:hover .au-tnode-addchild{display:flex}.au-tnode-addchild:hover{color:var(--accent-200);background:#6366f133}.au-canvas-shell{position:relative;overflow:hidden}.au-canvas-toolbar{z-index:12;-webkit-backdrop-filter:blur(14px);border:1px solid var(--border-medium);background:#111827d9;border-radius:10px;align-items:center;gap:6px;padding:5px;display:flex;position:absolute;top:14px;left:50%;transform:translate(-50%);box-shadow:0 8px 32px #0006}.au-tool{color:var(--text-400);cursor:pointer;background:0 0;border:none;border-radius:6px;align-items:center;gap:6px;padding:5px 9px;font-family:inherit;font-size:11.5px;font-weight:500;transition:all .12s;display:inline-flex}.au-tool:hover{color:var(--text-100);background:#6366f11f}.au-tool.accent{color:var(--accent-300)}.au-tool-div{background:var(--border-soft);align-self:stretch;width:1px;margin:2px}.au-canvas-hint{z-index:11;border:1px solid var(--border-soft);color:var(--text-500);background:#111827b3;border-radius:8px;align-items:center;gap:14px;padding:6px 12px;font-size:10.5px;display:flex;position:absolute;bottom:14px;left:50%;transform:translate(-50%)}.au-canvas-hint kbd{font-size:9px}.au-inspect{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-left:1px solid var(--border-soft);background:#0a0e1a99;flex-direction:column;display:flex;overflow:hidden}.au-inspect-empty{flex:1;justify-content:center;align-items:center;padding:40px 28px;display:flex}.au-inspect-empty-inner{text-align:center;max-width:240px}.au-inspect-empty-glyph{color:var(--text-600);opacity:.5;margin-bottom:12px;font-size:42px}.au-inspect-empty-title{color:var(--text-300);margin-bottom:6px;font-size:14px;font-weight:600}.au-inspect-empty-sub{color:var(--text-500);font-size:12px;line-height:1.5}.au-inspect-head{border-bottom:1px solid var(--border-soft);padding:14px 18px 0}.au-inspect-id-row{align-items:center;gap:8px;margin-bottom:8px;display:flex}.au-inspect-shape{flex-shrink:0;width:13px;height:13px}.au-inspect-shape[data-shape=circle]{border-radius:50%}.au-inspect-shape[data-shape=diamond]{transform:rotate(45deg)}.au-inspect-shape[data-shape=triangle]{clip-path:polygon(50% 0,100% 100%,0 100%)}.au-inspect-shape[data-shape=hexagon]{clip-path:polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%)}.au-inspect-title{min-width:0;color:var(--text-100);letter-spacing:-.01em;white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:16px;font-weight:700;overflow:hidden}.au-inspect-slug{font-family:var(--font-mono);color:var(--text-500);margin-bottom:12px;font-size:10.5px}.au-tabs{gap:2px;display:flex}.au-tab{cursor:pointer;color:var(--text-500);background:0 0;border:none;padding:9px 12px 11px;font-family:inherit;font-size:12px;font-weight:600;transition:color .12s;position:relative}.au-tab:hover{color:var(--text-300)}.au-tab.active{color:var(--accent-200)}.au-tab.active:after{content:"";background:var(--accent-400);border-radius:2px 2px 0 0;height:2px;position:absolute;bottom:0;left:8px;right:8px}.au-tab-badge{font-variant-numeric:tabular-nums;color:var(--text-400);background:#ffffff14;border-radius:8px;margin-left:5px;padding:1px 5px;font-size:9px;font-weight:700;display:inline-block}.au-tab.active .au-tab-badge{color:var(--accent-200);background:#6366f140}.au-tab-warn{color:var(--accent-amber);margin-left:4px;font-size:10px}.au-inspect-body{flex:1;padding:16px 18px 32px;overflow-y:auto}.au-field{margin-bottom:14px}.au-field-label{letter-spacing:.1em;text-transform:uppercase;color:var(--text-500);justify-content:space-between;align-items:center;margin-bottom:6px;font-size:10px;font-weight:700;display:flex}.au-field-hint{color:var(--text-600);text-transform:none;letter-spacing:0;font-size:10px;font-weight:500}.au-input,.au-textarea,.au-select{border:1px solid var(--border-medium);width:100%;color:var(--text-100);background:#1e293b80;border-radius:7px;outline:none;padding:8px 10px;font-family:inherit;font-size:13px;transition:border-color .12s}.au-input:focus,.au-textarea:focus,.au-select:focus{border-color:var(--accent-500);box-shadow:0 0 0 3px #6366f11f}.au-textarea{resize:vertical;min-height:64px;line-height:1.5}.au-input.mono{font-family:var(--font-mono);font-size:12px}.au-select{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path fill='%2364748b' d='M0 0h10L5 6z'/></svg>");background-position:right 10px center;background-repeat:no-repeat;padding-right:28px}.au-field-2col{grid-template-columns:1fr 1fr;gap:10px;display:grid}.au-seg{border:1px solid var(--border-soft);background:#00000040;border-radius:8px;gap:3px;padding:3px;display:flex}.au-seg-opt{cursor:pointer;color:var(--text-400);white-space:nowrap;background:0 0;border:none;border-radius:6px;flex:1;justify-content:center;align-items:center;gap:5px;padding:6px 4px;font-family:inherit;font-size:11px;font-weight:600;transition:all .12s;display:flex}.au-seg-opt:hover{color:var(--text-200)}.au-seg-opt.active{color:var(--accent-200);background:#6366f133;box-shadow:inset 0 0 0 1px #6366f14d}.au-seg-dot{border-radius:50%;width:7px;height:7px}.au-section-label{letter-spacing:.14em;text-transform:uppercase;color:var(--text-500);justify-content:space-between;align-items:center;margin:22px 0 10px;font-size:9.5px;font-weight:700;display:flex}.au-section-label:first-child{margin-top:0}.au-edge-list{flex-direction:column;gap:6px;display:flex}.au-edge-row{border:1px solid var(--border-soft);background:#1e293b66;border-radius:8px;align-items:center;gap:9px;padding:8px 10px;display:flex}.au-edge-dir{font-family:var(--font-mono);letter-spacing:.06em;border-radius:4px;flex-shrink:0;padding:2px 5px;font-size:9px;font-weight:700}.au-edge-dir.out{color:var(--accent-amber);background:#f59e0b26}.au-edge-dir.in{color:var(--accent-300);background:#6366f126}.au-edge-type{font-family:var(--font-mono);flex-shrink:0;font-size:9.5px;font-weight:700}.au-edge-target{min-width:0;color:var(--text-200);cursor:pointer;white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:12px;overflow:hidden}.au-edge-target:hover{color:var(--accent-200)}.au-edge-del{width:22px;height:22px;color:var(--text-600);cursor:pointer;background:0 0;border:none;border-radius:5px;flex-shrink:0;justify-content:center;align-items:center;font-size:14px;transition:all .1s;display:flex}.au-edge-del:hover{color:var(--accent-pink);background:#f472b626}.au-edge-empty{text-align:center;color:var(--text-500);border:1px dashed var(--border-soft);border-radius:8px;padding:16px;font-size:11.5px}.au-edge-add{grid-template-columns:90px 1fr auto;align-items:center;gap:6px;margin-top:8px;display:grid}.au-edge-add .au-select{padding:7px 8px;font-size:11.5px}.au-blocks{flex-direction:column;gap:8px;display:flex}.au-block{border:1px solid var(--border-soft);background:#1e293b66;border-radius:9px;transition:border-color .12s,box-shadow .12s;overflow:hidden}.au-block.dragging{opacity:.4}.au-block.drop-above{box-shadow:0 -2px 0 var(--accent-400)}.au-block.drop-below{box-shadow:0 2px 0 var(--accent-400)}.au-block-head{border-bottom:1px solid var(--border-soft);background:#0000002e;align-items:center;gap:8px;padding:8px 8px 8px 6px;display:flex}.au-block-grip{color:var(--text-600);cursor:grab;padding:0 2px;font-size:13px;line-height:1}.au-block-grip:active{cursor:grabbing}.au-block-kind{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;border-radius:5px;flex-shrink:0;padding:3px 7px;font-size:9px;font-weight:700}.au-block-kind[data-k=heading]{color:var(--accent-300);background:#a5b4fc29}.au-block-kind[data-k=prose]{color:var(--text-300);background:#94a3b829}.au-block-kind[data-k=formula]{color:var(--accent-cyan);background:#22d3ee29}.au-block-kind[data-k=keypoint]{color:var(--accent-amber);background:#fbbf2429}.au-block-kind[data-k=example]{color:#6ee7b7;background:#6ee7b729}.au-block-kind[data-k=visual]{color:var(--accent-violet);background:#a78bfa29}.au-block-kind[data-k=practice]{color:var(--accent-pink);background:#f472b629}.au-block-preview{min-width:0;color:var(--text-500);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:11.5px;overflow:hidden}.au-block-tools{flex-shrink:0;gap:1px;display:flex}.au-mini-btn{width:22px;height:22px;color:var(--text-500);cursor:pointer;background:0 0;border:none;border-radius:5px;justify-content:center;align-items:center;font-size:11px;transition:all .1s;display:flex}.au-mini-btn:hover{color:var(--text-100);background:#6366f126}.au-mini-btn.del:hover{color:var(--accent-pink);background:#f472b626}.au-mini-btn:disabled{opacity:.3;cursor:default}.au-block-body{flex-direction:column;gap:8px;padding:10px;display:flex}.au-steps{flex-direction:column;gap:5px;display:flex}.au-step-row{align-items:center;gap:6px;display:flex}.au-step-num{width:18px;color:var(--text-600);font-size:10px;font-family:var(--font-mono);text-align:center;flex-shrink:0}.au-choices{flex-direction:column;gap:5px;display:flex}.au-choice-row{align-items:center;gap:7px;display:flex}.au-choice-key{cursor:pointer;border:1px solid var(--border-medium);width:24px;height:24px;font-family:var(--font-mono);color:var(--text-400);background:#ffffff0a;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;font-size:10px;font-weight:700;transition:all .12s;display:flex}.au-choice-key.correct{background:var(--accent-green);border-color:var(--accent-green);color:#0a0e1a;box-shadow:0 0 10px #4ade8066}.au-choice-key:hover{border-color:var(--accent-400)}.au-choice-del{flex-shrink:0;width:22px;height:22px}.au-add-block-row{flex-wrap:wrap;gap:5px;margin-top:10px;display:flex}.au-add-block-chip{border:1px dashed var(--border-medium);color:var(--text-400);cursor:pointer;background:#1e293b80;border-radius:7px;align-items:center;gap:5px;padding:6px 10px;font-family:inherit;font-size:11px;font-weight:600;transition:all .12s;display:inline-flex}.au-add-block-chip:hover{border-style:solid;border-color:var(--accent-500);color:var(--accent-200);background:#6366f11a}.au-preview-toggle{background:#00000040;border-radius:7px;gap:4px;padding:3px;display:flex}.au-preview-toggle button{cursor:pointer;color:var(--text-500);background:0 0;border:none;border-radius:5px;padding:4px 10px;font-family:inherit;font-size:10.5px;font-weight:600;transition:all .1s}.au-preview-toggle button.active{color:var(--accent-200);background:#6366f133}.au-preview-pane{border:1px solid var(--border-soft);background:#05071466;border-radius:10px;margin-top:4px;padding:16px;overflow:hidden}.au-content-empty{text-align:center;border:1px dashed var(--border-medium);background:#1e293b33;border-radius:10px;padding:28px 18px}.au-content-empty-glyph{color:var(--text-600);opacity:.5;margin-bottom:8px;font-size:34px}.au-content-empty-title{color:var(--text-300);margin-bottom:6px;font-size:13px;font-weight:600}.au-content-empty-sub{color:var(--text-500);margin-bottom:16px;font-size:11.5px;line-height:1.5}.au-goals{flex-direction:column;gap:5px;display:flex}.au-goal-row{align-items:center;gap:7px;display:flex}.au-goal-tick{color:var(--accent-400);flex-shrink:0;font-weight:700}.au-modal-overlay{z-index:200;-webkit-backdrop-filter:blur(8px);background:#050714c7;justify-content:center;align-items:center;padding:24px;animation:.16s ease-out both kgFadeIn;display:flex;position:fixed;inset:0}.au-modal{border:1px solid var(--border-medium);background:linear-gradient(#1a1f3af7,#0a0e1af7);border-radius:14px;width:min(440px,92vw);animation:.22s cubic-bezier(.16,1,.3,1) both kgScaleIn;overflow:hidden;box-shadow:0 24px 80px #0009,0 0 0 1px #6366f11a}.au-modal-head{padding:18px 20px 4px}.au-modal-eyebrow{letter-spacing:.16em;text-transform:uppercase;color:var(--accent-300);font-size:10px;font-weight:700}.au-modal-title{color:var(--text-100);letter-spacing:-.01em;margin:4px 0 0;font-size:19px;font-weight:700}.au-modal-body{padding:14px 20px 4px}.au-modal-foot{justify-content:flex-end;gap:8px;padding:16px 20px 18px;display:flex}.au-type-grid{grid-template-columns:1fr 1fr;gap:6px;display:grid}.au-type-card{border:1px solid var(--border-soft);cursor:pointer;text-align:left;background:#1e293b66;border-radius:8px;align-items:center;gap:9px;padding:9px 11px;font-family:inherit;transition:all .12s;display:flex}.au-type-card:hover{background:#6366f11a}.au-type-card.active{border-color:var(--accent-500);box-shadow:0 0 0 1px var(--accent-500);background:#6366f129}.au-type-card-shape{flex-shrink:0;width:14px;height:14px}.au-type-card-shape[data-shape=circle]{border-radius:50%}.au-type-card-shape[data-shape=diamond]{transform:rotate(45deg)}.au-type-card-shape[data-shape=triangle]{clip-path:polygon(50% 0,100% 100%,0 100%)}.au-type-card-shape[data-shape=hexagon]{clip-path:polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%)}.au-type-card-name{color:var(--text-200);font-size:12.5px;font-weight:600}.au-toast{z-index:300;border:1px solid var(--border-medium);color:var(--text-100);background:#111827f5;border-radius:10px;align-items:center;gap:9px;padding:10px 16px;font-size:12.5px;animation:.2s ease-out both kgScaleIn;display:flex;position:fixed;bottom:20px;left:50%;transform:translate(-50%);box-shadow:0 16px 48px #00000080}.au-toast-icon{color:var(--accent-green)}.au-toast-undo{color:var(--accent-300);cursor:pointer;background:0 0;border:none;font-family:inherit;font-size:12px;font-weight:700}.au-toast-undo:hover{color:var(--accent-200)}.au-role-card{border:1px solid var(--border-soft);background:#1e293b66;border-radius:9px;align-items:center;gap:11px;margin-bottom:16px;padding:10px 12px;display:flex}.au-role-shape{flex-shrink:0;width:16px;height:16px}.au-role-shape[data-shape=circle]{border-radius:50%}.au-role-shape[data-shape=diamond]{transform:rotate(45deg)}.au-role-shape[data-shape=triangle]{clip-path:polygon(50% 0,100% 100%,0 100%)}.au-role-shape[data-shape=hexagon]{clip-path:polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%)}.au-role-meta{flex-direction:column;gap:2px;display:flex}.au-role-name{color:var(--text-100);align-items:center;gap:7px;font-size:13px;font-weight:700;display:flex}.au-role-derived{letter-spacing:.1em;text-transform:uppercase;color:var(--text-500);background:#94a3b81f;border-radius:4px;padding:2px 6px;font-size:8.5px;font-weight:700}.au-role-nature{color:var(--text-500);font-size:11px}.au-tnode-hub{color:#6ee7b7;flex-shrink:0;font-size:10px;line-height:1}.au-tree-legend{border-top:1px solid var(--border-soft);color:var(--text-500);flex-wrap:wrap;gap:4px 12px;padding:9px 12px;font-size:9.5px;display:flex}.au-tree-legend span{align-items:center;gap:5px;display:inline-flex}.au-leg-shape{background:var(--text-400);flex-shrink:0;width:9px;height:9px}.au-leg-shape[data-shape=circle]{border-radius:50%}.au-leg-shape[data-shape=diamond]{transform:rotate(45deg)}.au-leg-shape[data-shape=triangle]{clip-path:polygon(50% 0,100% 100%,0 100%)}.au-leg-shape[data-shape=hexagon]{clip-path:polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%)}.au-uniform-note{color:var(--text-400);background:#6366f112;border:1px solid #6366f12e;border-radius:8px;margin-bottom:16px;padding:10px 12px;font-size:11.5px;line-height:1.55}.au-uniform-note b{color:var(--text-200)}.au-edge-note{color:var(--text-400);border:1px solid var(--border-soft);background:#1e293b66;border-radius:8px;margin-bottom:16px;padding:9px 11px;font-size:11px;line-height:1.55}.au-edge-note b{color:var(--text-200)}.au-empty-line{color:var(--text-500);padding:4px 0 8px;font-size:11.5px;line-height:1.5}.au-edge-edit-list{flex-direction:column;gap:8px;display:flex}.au-edge-edit-row{border:1px solid var(--border-soft);background:#1e293b66;border-radius:9px;padding:9px 10px}.au-edge-edit-top{align-items:center;gap:8px;display:flex}.au-edge-edit-top .au-edge-target{min-width:0;color:var(--text-200);cursor:pointer;text-align:left;white-space:nowrap;text-overflow:ellipsis;background:0 0;border:none;flex:1;font-family:inherit;font-size:12.5px;overflow:hidden}.au-edge-edit-top .au-edge-target:hover{color:var(--accent-200)}.au-edge-edit-strength{align-items:center;gap:8px;margin-top:8px;display:flex}.au-edge-edit-strength input[type=range]{flex:1;height:4px}.au-strength-cap{letter-spacing:.1em;text-transform:uppercase;color:var(--text-600);flex-shrink:0;font-size:9px;font-weight:700}.au-strength-val{color:var(--text-400);font-variant-numeric:tabular-nums;text-align:right;flex-shrink:0;min-width:32px;font-size:11px}.au-kind-toggle{background:#00000047;border-radius:6px;flex-shrink:0;gap:2px;padding:2px;display:flex}.au-kind-opt{cursor:pointer;letter-spacing:.04em;color:var(--text-500);background:0 0;border:none;border-radius:4px;padding:3px 9px;font-family:inherit;font-size:10px;font-weight:700;transition:all .1s}.au-kind-opt.active.hard{color:var(--accent-amber);background:#f59e0b33}.au-kind-opt.active.soft{color:var(--accent-cyan);background:#22d3ee33}.au-add-edge{align-items:center;gap:6px;margin-top:10px;display:flex}.au-add-edge .au-select{flex:1}.au-mini-btn.add{width:28px;height:28px;color:var(--accent-300);background:#6366f126;flex-shrink:0}.au-mini-btn.add:hover{background:#6366f147}.au-mini-btn.add:disabled{opacity:.3}.au-edge-readonly{text-align:left;border:1px solid var(--border-soft);cursor:pointer;width:100%;color:var(--text-200);background:#1e293b59;border-radius:8px;align-items:center;gap:9px;margin-bottom:5px;padding:8px 10px;font-family:inherit;font-size:12px;transition:all .12s;display:flex}.au-edge-readonly:hover{border-color:var(--border-strong);color:var(--text-100)}.au-edge-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px;box-shadow:0 0 6px}.au-edge-kind-tag{letter-spacing:.08em;text-transform:uppercase;color:var(--text-500);font-size:9px;font-weight:700;font-family:var(--font-mono)}.au-real-rail{flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:12px;display:flex}.au-real-tab{cursor:pointer;border:1px solid var(--border-soft);background:#1e293b73;border-radius:8px;align-items:center;gap:7px;padding:6px 10px;font-family:inherit;transition:all .12s;display:flex}.au-real-tab:hover{border-color:var(--border-strong)}.au-real-tab.active{border-color:var(--lc,var(--accent-500));background:color-mix(in oklch, var(--lc,var(--accent-400)) 12%, #1e293b73);box-shadow:0 0 0 1px color-mix(in oklch, var(--lc,var(--accent-400)) 30%, transparent)}.au-real-tab-level{letter-spacing:.1em;text-transform:uppercase;color:var(--lc,var(--accent-300));font-size:8px;font-weight:700}.au-real-tab-name{color:var(--text-200);font-size:11.5px;font-weight:600}.au-real-tab-lens{color:var(--lc,var(--accent-300));font-size:8px}.au-real-add-menu{position:relative}.au-real-add-trigger{cursor:pointer;border:1px dashed var(--border-medium);width:28px;height:28px;color:var(--accent-300);background:#6366f121;border-radius:7px;justify-content:center;align-items:center;display:inline-flex}.au-real-add-menu:hover .au-real-add-pop{display:flex}.au-real-add-pop{z-index:20;background:var(--surface-700);border:1px solid var(--border-medium);border-radius:8px;flex-direction:column;min-width:110px;margin-top:4px;padding:4px;display:none;position:absolute;top:100%;right:0;box-shadow:0 12px 32px #00000080}.au-real-add-pop button{cursor:pointer;text-align:left;color:var(--text-200);text-transform:capitalize;background:0 0;border:none;border-radius:5px;padding:6px 10px;font-family:inherit;font-size:12px}.au-real-add-pop button:hover{color:var(--accent-200);background:#6366f126}.au-real-lens-note{color:var(--text-500);background:#0000002e;border-radius:7px;margin-bottom:14px;padding:8px 11px;font-size:11px;line-height:1.5}.au-real-lens-note b{color:var(--text-200)}.au-real-levelpill{letter-spacing:.1em;text-transform:uppercase;color:var(--lc,var(--accent-300));background:color-mix(in oklch, var(--lc,var(--accent-400)) 16%, transparent);border-radius:5px;padding:3px 8px;font-size:9px;font-weight:700}.au-sections{flex-direction:column;gap:8px;display:flex}.au-sec{border:1px solid var(--border-soft);background:#11182780;border-radius:10px;overflow:hidden}.au-sec-head{border-bottom:1px solid var(--border-soft);background:#0003;align-items:center;gap:7px;padding:7px 8px;display:flex}.au-sec-title-input{min-width:0;color:var(--text-100);background:0 0;border:none;outline:none;flex:1;font-family:inherit;font-size:12.5px;font-weight:600}.au-sec-title-input:focus{color:var(--accent-200)}.au-sec-count{color:var(--text-600);font-variant-numeric:tabular-nums;flex-shrink:0;font-size:10px}.au-sec-body{padding:10px}[data-theme=light]{--surface-900:#eaecf3;--surface-850:#eef1f7;--surface-800:#fff;--surface-700:#f3f5fa;--surface-600:#e4e8f0;--surface-500:#ccd3e0;--surface-400:#b8c1d2;--accent-200:#4338ca;--accent-300:#4f46e5;--text-100:#0b1220;--text-200:#1f2937;--text-300:#374151;--text-400:#5b6776;--text-500:#7e8a9a;--text-600:#aab4c2;--border-soft:#0f172a14;--border-medium:#0f172a24;--border-strong:#0f172a42;--shadow-glow:0 0 32px #6366f124}[data-theme=light] .kg-app:before{display:none}[data-theme=light] .kg-top{background:#ffffffd1}[data-theme=light] .au-top,[data-theme=light] .nv-header{background:#ffffffd9}[data-theme=light] .nv-footer{background:#ffffffe6;box-shadow:0 -8px 24px #0f172a14}[data-theme=light] .kg-side{background:#fff9}[data-theme=light] .au-tree{background:#ffffff8c}[data-theme=light] .au-inspect{background:#fff9}[data-theme=light] .kg-anchor-card,[data-theme=light] .kg-legend,[data-theme=light] .kg-minimap{background:#ffffffd1;box-shadow:0 8px 28px #0f172a1a}[data-theme=light] .au-canvas-toolbar{background:#ffffffe0;box-shadow:0 8px 28px #0f172a1a}[data-theme=light] .au-canvas-hint{background:#ffffffc7}[data-theme=light] .kg-progress-pill,[data-theme=light] .kg-hint-row,[data-theme=light] .kg-stat,[data-theme=light] .kg-edge-item,[data-theme=light] .kg-child-item,[data-theme=light] .kg-action-btn.ghost,[data-theme=light] .kg-mastery-chip,[data-theme=light] .kg-quiz-meta,[data-theme=light] .kg-quiz-choice,[data-theme=light] .kg-quiz-explain,[data-theme=light] .kg-result-q,[data-theme=light] .kg-path-summary-stat,[data-theme=light] .kg-path-step,[data-theme=light] .nv-back,[data-theme=light] .nv-mastery-indicator,[data-theme=light] .nv-time-pill,[data-theme=light] .nv-formula,[data-theme=light] .nv-empty,[data-theme=light] .nv-mastery-btn,[data-theme=light] .lw-practice,[data-theme=light] .kg-real-row,[data-theme=light] .kg-attempt-row,[data-theme=light] .nv-real-chip,[data-theme=light] .au-validate,[data-theme=light] .au-btn.ghost,[data-theme=light] .au-edge-row,[data-theme=light] .au-block,[data-theme=light] .au-add-block-chip,[data-theme=light] .au-content-empty,[data-theme=light] .au-type-card,[data-theme=light] .au-role-card,[data-theme=light] .au-edge-edit-row,[data-theme=light] .au-edge-readonly,[data-theme=light] .au-real-tab{background:#0f172a0b}[data-theme=light] .kg-path-toggle input[type=checkbox]{background:#0f172a0f}[data-theme=light] .kg-quiz-typed-input{background:#0f172a0b}[data-theme=light] .kg-mastery-chip:hover,[data-theme=light] .kg-action-btn.ghost:hover,[data-theme=light] .kg-path-step:hover,[data-theme=light] .kg-real-row:hover,[data-theme=light] .au-btn.ghost:hover{background:#0f172a13}[data-theme=light] .kg-search-btn,[data-theme=light] .kg-quiz-timer,[data-theme=light] .au-tree-search,[data-theme=light] .au-input,[data-theme=light] .au-textarea,[data-theme=light] .au-select,[data-theme=light] .lw-practice-choice,[data-theme=light] .kg-search-btn:hover{background:#fff}[data-theme=light] .kg-lens-seg,[data-theme=light] .au-seg,[data-theme=light] .au-kind-toggle,[data-theme=light] .au-preview-toggle,[data-theme=light] .au-block-head,[data-theme=light] .au-sec-head,[data-theme=light] .au-real-lens-note,[data-theme=light] kbd,[data-theme=light] .kg-modal-close,[data-theme=light] .kg-quiz-choice-key,[data-theme=light] .kg-result-q-num,[data-theme=light] .kg-path-step-btn,[data-theme=light] .nv-close,[data-theme=light] .lw-practice-key,[data-theme=light] .au-tab-badge,[data-theme=light] .au-choice-key{background:#0f172a0d}[data-theme=light] .kg-search-overlay,[data-theme=light] .kg-modal-overlay,[data-theme=light] .au-modal-overlay{background:#0f172a66}[data-theme=light] .kg-modal-actions,[data-theme=light] .kg-quiz-header,[data-theme=light] .kg-quiz-footer{background:#0f172a06}[data-theme=light] .nv-empty-summary,[data-theme=light] .lw-equiv-note{background:#0f172a0a}[data-theme=light] .au-preview-pane{background:#0f172a05}[data-theme=light] .kg-modal,[data-theme=light] .au-modal{background:linear-gradient(#fff,#f5f7fb);box-shadow:0 24px 60px #0f172a2e,0 0 0 1px #6366f114}[data-theme=light] .kg-search-modal{background:#fff;box-shadow:0 20px 60px #0f172a2e,0 0 0 1px #6366f114}[data-theme=light] .au-validate-pop{background:#fff;box-shadow:0 24px 60px #0f172a2e,0 0 0 1px #6366f10f}[data-theme=light] .au-toast{background:#fff;box-shadow:0 16px 40px #0f172a2e}[data-theme=light] .au-real-add-pop{background:#fff;box-shadow:0 12px 32px #0f172a29}[data-theme=light] .nv-aside-section{background:#ffffffb3}[data-theme=light] .lw-card{background:#ffffffbf}[data-theme=light] .au-sec{background:#ffffffa6}[data-theme=light] .nv-hero-title{-webkit-text-fill-color:#312e81;color:#312e81;background:0 0}[data-theme=light] .kg-bg{fill:#e7ecf5!important}[data-theme=light] .graph-node-label{fill:#1f2937!important;text-shadow:0 0 3px #fffffff2,0 0 6px #fffc,0 1px 2px #ffffffb3!important}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(./KaTeX_AMS-Regular.BQhdFMY1.woff2)format("woff2"),url(./KaTeX_AMS-Regular.DMm9YOAa.woff)format("woff"),url(./KaTeX_AMS-Regular.DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(./KaTeX_Caligraphic-Bold.Dq_IR9rO.woff2)format("woff2"),url(./KaTeX_Caligraphic-Bold.BEiXGLvX.woff)format("woff"),url(./KaTeX_Caligraphic-Bold.ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(./KaTeX_Caligraphic-Regular.Di6jR-x-.woff2)format("woff2"),url(./KaTeX_Caligraphic-Regular.CTRA-rTL.woff)format("woff"),url(./KaTeX_Caligraphic-Regular.wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(./KaTeX_Fraktur-Bold.CL6g_b3V.woff2)format("woff2"),url(./KaTeX_Fraktur-Bold.BsDP51OF.woff)format("woff"),url(./KaTeX_Fraktur-Bold.BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(./KaTeX_Fraktur-Regular.CTYiF6lA.woff2)format("woff2"),url(./KaTeX_Fraktur-Regular.Dxdc4cR9.woff)format("woff"),url(./KaTeX_Fraktur-Regular.CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(./KaTeX_Main-Bold.Cx986IdX.woff2)format("woff2"),url(./KaTeX_Main-Bold.Jm3AIy58.woff)format("woff"),url(./KaTeX_Main-Bold.waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(./KaTeX_Main-BoldItalic.DxDJ3AOS.woff2)format("woff2"),url(./KaTeX_Main-BoldItalic.SpSLRI95.woff)format("woff"),url(./KaTeX_Main-BoldItalic.DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(./KaTeX_Main-Italic.NWA7e6Wa.woff2)format("woff2"),url(./KaTeX_Main-Italic.BMLOBm91.woff)format("woff"),url(./KaTeX_Main-Italic.3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(./KaTeX_Main-Regular.B22Nviop.woff2)format("woff2"),url(./KaTeX_Main-Regular.Dr94JaBh.woff)format("woff"),url(./KaTeX_Main-Regular.ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(./KaTeX_Math-BoldItalic.CZnvNsCZ.woff2)format("woff2"),url(./KaTeX_Math-BoldItalic.iY-2wyZ7.woff)format("woff"),url(./KaTeX_Math-BoldItalic.B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(./KaTeX_Math-Italic.t53AETM-.woff2)format("woff2"),url(./KaTeX_Math-Italic.DA0__PXp.woff)format("woff"),url(./KaTeX_Math-Italic.flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(./KaTeX_SansSerif-Bold.D1sUS0GD.woff2)format("woff2"),url(./KaTeX_SansSerif-Bold.DbIhKOiC.woff)format("woff"),url(./KaTeX_SansSerif-Bold.CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(./KaTeX_SansSerif-Italic.C3H0VqGB.woff2)format("woff2"),url(./KaTeX_SansSerif-Italic.DN2j7dab.woff)format("woff"),url(./KaTeX_SansSerif-Italic.YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(./KaTeX_SansSerif-Regular.DDBCnlJ7.woff2)format("woff2"),url(./KaTeX_SansSerif-Regular.CS6fqUqJ.woff)format("woff"),url(./KaTeX_SansSerif-Regular.BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(./KaTeX_Script-Regular.D3wIWfF6.woff2)format("woff2"),url(./KaTeX_Script-Regular.D5yQViql.woff)format("woff"),url(./KaTeX_Script-Regular.C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(./KaTeX_Size1-Regular.mCD8mA8B.woff2)format("woff2"),url(./KaTeX_Size1-Regular.C195tn64.woff)format("woff"),url(./KaTeX_Size1-Regular.Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(./KaTeX_Size2-Regular.Dy4dx90m.woff2)format("woff2"),url(./KaTeX_Size2-Regular.oD1tc_U0.woff)format("woff"),url(./KaTeX_Size2-Regular.B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,d09GMgABAAAAAA4oAA4AAAAAHbQAAA3TAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAABmAAgRQIDgmcDBEICo1oijYBNgIkA14LMgAEIAWJAAeBHAyBHBvbGiMRdnO0IkRRkiYDgr9KsJ1NUAf2kILNxgUmgqIgq1P89vcbIcmsQbRps3vCcXdYOKSWEPEKgZgQkprQQsxIXUgq0DqpGKmIvrgkeVGtEQD9DzAO29fM9jYhxZEsL2FeURH2JN4MIcTdO049NCVdxQ/w9NrSYFEBKTDKpLKfNkCGDc1RwjZLQcm3vqJ2UW9Xfa3tgAHz6ivp6vgC2yD4/6352ndnN0X0TL7seypkjZlMsjmZnf0Mm5Q+JykRWQBKCVCVPbARPXWyQtb5VgLB6Biq7/Uixcj2WGqdI8tGSgkuRG+t910GKP2D7AQH0DB9FMDW/obJZ8giFI3Wg8Cvevz0M+5m0rTh7XDBlvo9Y4vm13EXmfttwI4mBo1EG15fxJhUiCLbiiyCf/ZA6MFAhg3pGIZGdGIVjtPn6UcMk9A/UUr9PhoNsCENw1APAq0gpH73e+M+0ueyHbabc3vkbcdtzcf/fiy+NxQEjf9ud/ELBHAXJ0nk4z+MXH2Ev/kWyV4k7SkvpPc9Qr38F6RPWnM9cN6DJ0AdD1BhtgABtmoRoFCvPsBAumNm6soZG2Gk5GyVTo2sJncSyp0jQTYoR6WDvTwaaEcHsxHfvuWhHA3a6bN7twRKtcGok6NsCi7jYRrM2jExsUFMxMQYuJbMhuWNOumEJy9hi29Dmg5zMp/A5+hhPG19j1vBrq8JTLr8ki5VLPmG/PynJHVul440bxg5xuymHUFPBshC+nA9I1FmwbRBTNHAcik3Oae0cxKoI3MOriM42UrPe51nsaGxJ+WfXubAsP84aabUlQSJ1IiE0iPETLUU4CATgfXSCSpuRFRmCGbO+wSpAnzaeaCYW1VNEysRtuXCEL1kUFUbbtMv3Tilt/1c11jt3Q5bbMa84cpWipp8Elw3MZhOHsOlwwVUQM3lAR35JiFQbaYCRnMF2lxAWoOg2gyoIV4PouX8HytNIfLhqpJtXB4vjiViUI8IJ7bkC4ikkQvKksnOTKICwnqWSZ9YS5f0WCxmpgjbIq7EJcM4aI2nmhLNY2JIUgOjXZFWBHb+x5oh6cwb0Tv1ackHdKi0I9OO2wE9aogIOn540CCCziyhN+IaejtgAONKznHlHyutPrHGwCx9S6B8kfS4Mfi4Eyv7OU730bT1SCBjt834cXsf43zVjPUqqJjgrjeGnBxSG4aYAKFuVbeCfkDIjAqMb6yLNIbCuvXhMH2/+k2vkNpkORhR59N1CkzoOENvneIosjYmuTxlhUzaGEJQ/iWqx4dmwpmKjrwTiTGTCVozNAYqk/zXOndWxuWSmJkQpJw3pK5KX6QrLt5LATMqpmPAQhkhK6PUjzHUn7E0gHE0kPE0iKkolgkUx9SZmVAdDgpffdyJKg3k7VmzYGCwVXGz/tXmkOIp+vcWs+EMuhhvN0h9uhfzWJziBQmCREGSIFmQIkgVpAnSBRmC//6hkLZwaVhwxlrJSOdqlFtOYxlau9F2QN5Y98xmIAsiM1HVp2VFX+DHHGg6Ecjh3vmqtidX3qHI2qycTk/iwxSt5UzTmEP92ZBnEWTk4Mx8Mpl78ZDokxg/KWb+Q0QkvdKVmq3TMW+RXEgrsziSAfNXFMhDc60N5N9jQzjfO0kBKpUZl0ZmwJ41j/B9Hz6wmRaJB84niNmQrzp9eSlQCDDzazGDdVi3P36VZQ+Jy4f9UBNp+3zTjqI4abaFAm+GShVaXlsGdF3FYzZcDI6cori4kMxUECl9IjJZpzkvitAoxKue+90pDMvcKRxLl53TmOKCmV/xRolNKSqqUxc6LStOETmFOiLZZptlZepcKiAzteG8PEdpnQpbOMNcMsR4RR2Bs0cKFEvSmIjAFcnarqwUL4lDhHmnVkwu1IwshbiCcgvOheZuYyOteufZZwlcTlLgnZ3o/WcYdzZHW/WGaqaVfmTZ1aWCceJjkbZqsfbkOtcFlUZM/jy+hXHDbaUobWqqXaeWobbLO99yG5N3U4wxco0rQGGcOLASFMXeJoham8M+/x6O2WywK2l4HGbq1CoUyC/IZikQhdq3SiuNrvAEj0AVu9x2x3lp/xWzahaxidezFVtdcb5uEnzyl0ZmYiuKI0exvCd4Xc9CV1KB0db00z92wDPde0kukbvZIWN6jUWFTmPIC/Y4UPCm8UfDTFZpZNon1qLFTkBhxzB+FjQRA2Q/YRJT8pQigslMaUpFyAG8TMlXigiqmAZX4xgijKjRlGpLE0GdplRfCaJo0JQaSxNBk6ZmMzcya0FmrcisDdn0Q3HI2sWSppYigmlM1XT/kLQZSNpMJG0WkjYbSZuDpM1F0uYhFc1HxU4m1QJjDK6iL0S5uSj5rgXc3RejEigtcRBtqYPQsiTskmO5vosV+q4VGIKbOkDg0jtRrq+Em1YloaTFar3EGr1EUC8R0kus1Uus00usL97ABr2BjXoDm/QGNhuWtMVBKOwg/i78lT7hBsAvDmwHc/ao3vmUbBmhjeYySZNWvGkfZAgISDSaDo1SVpzGDsAEkF8B+gEapViUoZgUWXcRIGFZNm6gWbAKk0bp0k1MHG9fLYtV4iS2SmLEQFARzRcnf9PUS0LVn05/J9MiRRBU3v2IrvW974v4N00L7ZMk0wXP1409CHo/an8zTRHD3eSJ6m8D4YMkZNl3M79sqeuAsr/m3f+8/yl7A50aiAEJgeBeMWzu7ui9UfUBCe2TIqZIoOd/3/udRBOQidQZUERzb2/VwZN1H/Sju82ew2H2Wfr6qvfVf3hqwDvAIpkQVFy4B9Pe9e4/XvPeceu7h3dvO56iJPf0+A6cqA2ip18ER+iFgggiuOkvj24bby0N9j2UHIkgqIt+sVgfodC4YghLSMjSZbH0VR/6dMDrYJeKHilKTemt6v6kvzvn3/RrdWtr0GoN/xL+Sex/cPYLUpepx9cz/D46UPU5KXgAQa+NDps1v6J3xP1i2HtaDB0M9aX2deA7SYff//+gUCovMmIK/qfsFcOk+4Y5ZN97XlG6zebqtMbKgeRFi51vnxTQYBUik2rS/Cn6PC8ADR8FGxsRPB82dzfND90gIcshOcYUkfjherBz53odpm6TP8txlwOZ71xmfHHOvq053qFF/MRlS3jP0ELudrf2OeN8DHvp6ZceLe8qKYvWz/7yp0u4dKPfli3CYq0O13Ih71mylJ80tOi10On8wi+F4+LWgDPeJ30msSQt9/vkmHq9/Lvo2b461mP801v3W4xTcs6CbvF9UDdrSt+A8OUbpSh55qAUFXWznBBfdeJ8a4d7ugT5tvxUza3h9m4H7ptTqiG4z0g5dc0X29OcGlhpGFMpQo9ytTS+NViZpNdvU4kWx+LKxNY10kQ1yqGXrhe4/1nvP7E+nd5A92TtaRplbHSqoIdOqtRWti+fkB5/n1+/VvCmz12pG1kpQWsfi1ftlBobm0bpngs16CHkbIwdLnParxtTV3QYRlfJ0KFskH7pdN/YDn+yRuSd7sNH3aO0DYPggk6uWuXrfOc+fa3VTxFVvKaNxHsiHmsXyCLIE5yuOeN3/Jdf8HBL/5M6shjyhxHx9BjB1O0+4NLOnjLLSxwO7ukN4jMbOIcD879KLSi6Pk61Oqm2377n8079PXEEQ7cy7OKEC9nbpet118fxweTafpt69x/Bt8UqGzNQt7aelpc44dn5cqhwf71+qKp/Zf/+a0zcizOUWpl/iBcSXip0pplkatCchoH5c5aUM8I7/dWxAej8WicPL1URFZ9BDJelUwEwTkGqUhgSlydVes95YdXvhh9Gfz/aeFWvgVb4tuLbcv4+wLdutVZv/cUonwBD/6eDlE0aSiKK/uoH3+J1wDE/jMVqY2ysGufN84oIXB0sPzy8ollX/LegY74DgJXJR57sn+VGza0x3DnuIgABFM15LmajjjsNlYj+JEZGbuRYcAMOWxFkPN2w6Wd46xo4gVWQR/X4lyI/R6K/YK0110GzudPRW7Y+UOBGTfNNzHeYT0fiH0taunBpq9HEW8OKSaBGj21L0MqenEmNRWBAWDWAk4CpNoEZJ2tTaPFgbQYj8HxtFilErs3BTRwT8uO1NXQaWfIotchmPkAF5mMBAliEmZiOGVgCG9LgRzpscMAOOwowlT3JhusdazXGSC/hxR3UlmWVwWHpOIKheqONvjyhSiTHIkVUco5bnji8m//zL7PKaT1Vl5I6UE609f+gkr6MZKVyKc7zJRmCahLsdlyA5fdQkRSan9LgnnLEyGSkaKJCJog0wAgvepWBt80+1yKln1bMVtCljfNWDueKLsWwaEbBSfSPTEmVRsUcYYMnEjcjeyCZzBXK9E9BYBXLKjOSpUDR+nEV3TFSUdQaz+ot98QxgXwx0GQ+EEUAKB2qZPkQQ0GqFD8UPFMqyaCHM24BZmSGic9EYMagKizOw9Hz50DMrDLrqqLkTAhplMictiCAx5S3BIUQdeJeLnBy2CNtMfz6cV4u8XKoFZQesbf9YZiIERiHjaNodDW6LgcirX/mPnJIkBGDUpTBhSa0EIr38D5hCIszhCM8URGBqImoWjpvpt1ebu/v3Gl3qJfMnNM+9V+kiRFyROTPHQWOcs1dNW94/ukKMPZBvDi55i5CttdeJz84DLngLqjcdwEZ87bFFR8CIG35OAkDVN6VRDZ7aq67NteYqZ2lpT8oYB2CytoBd6VuAx4WgiAsnuj3WohG+LugzXiQRDeM3XYXlULv4dp5VFYC)format("woff2"),url(./KaTeX_Size3-Regular.CTq5MqoE.woff)format("woff"),url(./KaTeX_Size3-Regular.DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(./KaTeX_Size4-Regular.Dl5lxZxV.woff2)format("woff2"),url(./KaTeX_Size4-Regular.BF-4gkZK.woff)format("woff"),url(./KaTeX_Size4-Regular.DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(./KaTeX_Typewriter-Regular.CO6r4hn1.woff2)format("woff2"),url(./KaTeX_Typewriter-Regular.C0xS9mPB.woff)format("woff"),url(./KaTeX_Typewriter-Regular.D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.17.0"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.newline{display:block}.katex .base{white-space:nowrap;width:min-content;position:relative}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{flex-direction:row;display:inline-flex}.katex .thinbox{width:0;max-width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}