:root{--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Inter","Helvetica Neue",Arial,sans-serif;--font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;--ink:#0B0E14;--panel:rgba(18,24,33,.82);--panel-solid:#121821;--panel-2:rgba(25,33,44,.65);--panel-2-solid:#19212C;--line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.14);--text:#DCE3EC;--muted:#7C8899;--up:#35D6C6;--down:#FFB020;--sel:#FF7A5C;--stage:#07090D;--label-bg:#F7FAFF;--label-fg:#131922;--glass-bg:rgba(18,24,33,.76);--glass-blur:blur(16px);--shadow:0 16px 36px -12px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.05);--shadow-elevated:0 24px 48px -12px rgba(0,0,0,.85),0 0 0 1px rgba(255,255,255,.08);--shadow-sm:0 2px 8px rgba(0,0,0,.25)}[data-theme=light]{--ink:#F0F4F8;--panel:rgba(255,255,255,.88);--panel-solid:#FFFFFF;--panel-2:rgba(241,245,249,.78);--panel-2-solid:#F1F5F9;--line:rgba(0,0,0,.08);--line-strong:rgba(0,0,0,.14);--text:#161C24;--muted:#68758A;--up:#0F9C8E;--down:#B4700A;--sel:#D8452A;--stage:#F8FAFC;--label-bg:#FFFFFF;--label-fg:#131922;--glass-bg:rgba(255,255,255,.82);--glass-blur:blur(16px);--shadow:0 14px 30px -15px rgba(20,30,50,.12),0 0 0 1px rgba(0,0,0,.05);--shadow-elevated:0 24px 48px -12px rgba(20,30,50,.18),0 0 0 1px rgba(0,0,0,.08);--shadow-sm:0 2px 8px rgba(0,0,0,.05)}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{background:var(--ink);color:var(--text);font-family:var(--font-sans);font-size:13px;line-height:1.5;display:flex;flex-direction:column;overflow:hidden;-webkit-font-smoothing:antialiased}button,input,textarea,select{font-family:var(--font-sans);color:inherit}button{background:none;border:none;cursor:pointer}:focus-visible{outline:2px solid var(--down);outline-offset:2px}.bar{display:flex;align-items:center;gap:18px;padding:10px 18px;border-bottom:1px solid var(--line);background:var(--panel);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);flex:0 0 auto;flex-wrap:wrap;z-index:20}.brand{display:flex;align-items:center;gap:10px}.brand h1{font-family:var(--font-sans);font-size:16px;font-weight:700;letter-spacing:.04em;display:inline-flex;align-items:center;gap:6px;text-transform:none}.brand-spark{color:var(--down);font-size:14px;text-shadow:0 0 10px var(--down),0 0 20px rgba(255,176,32,.5);display:inline-block;animation:emblemPulse 3s ease-in-out infinite alternate}@keyframes emblemPulse{0%{text-shadow:0 0 8px var(--down),0 0 14px rgba(255,176,32,.4);opacity:.9}to{text-shadow:0 0 14px var(--down),0 0 24px rgba(255,176,32,.75);opacity:1}}.brand .sub{color:var(--muted);font-size:11px;letter-spacing:.08em;text-transform:uppercase;font-weight:500}.stats{display:flex;align-items:center;gap:14px;color:var(--muted);font-size:11px;letter-spacing:.04em}.stats b{color:var(--text);font-weight:600;font-family:var(--font-mono)}.status-pill{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border-radius:9999px;background:#35d6c61a;border:1px solid rgba(53,214,198,.28);font-size:10.5px;font-weight:600;color:var(--up);text-transform:uppercase;letter-spacing:.06em}.status-pill.error{background:#ff7a5c1a;border-color:#ff7a5c52;color:var(--sel)}.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:currentColor;box-shadow:0 0 6px currentColor;animation:dotPulse 2s infinite ease-in-out}@keyframes dotPulse{0%,to{transform:scale(1);opacity:.9}50%{transform:scale(1.25);opacity:1}}.bar .spacer{flex:1}.tools{display:flex;align-items:center;gap:6px}.btn{border:1px solid var(--line);background:var(--panel-2);padding:6px 12px;border-radius:7px;font-size:11.5px;font-weight:500;letter-spacing:.02em;color:var(--muted);box-shadow:inset 0 1px #ffffff14,0 1px 2px #00000040;transition:all .16s cubic-bezier(.16,1,.3,1);display:inline-flex;align-items:center;justify-content:center;gap:5px;user-select:none}[data-theme=light] .btn{box-shadow:inset 0 1px #ffffffb3,0 1px 2px #0000000a}.btn:hover:not(:disabled){color:var(--text);border-color:var(--line-strong);background:var(--panel-2-solid);box-shadow:inset 0 1px #ffffff1f,0 0 10px #ffb0201f}.btn:active:not(:disabled){transform:scale(.97);box-shadow:inset 0 1px 2px #0000004d}.btn:disabled{opacity:.35;cursor:default}.btn.on{color:#080a0e;background:var(--down);border-color:var(--down);font-weight:600;box-shadow:0 0 14px #ffb02059,inset 0 1px #ffffff4d}.btn kbd{font-family:var(--font-mono);font-size:9px;padding:1px 4px;border-radius:4px;border:1px solid var(--line-strong);background:#00000026;color:inherit;opacity:.75;pointer-events:none}.zoomctl{display:flex;align-items:center;border:1px solid var(--line);border-radius:7px;overflow:hidden;box-shadow:inset 0 1px #ffffff0f}.zoomctl button{padding:6px 10px;color:var(--muted);background:var(--panel-2);transition:all .15s}.zoomctl button:hover{color:var(--text);background:var(--panel-2-solid)}.zoomctl .lvl{min-width:56px;text-align:center;font-size:11px;font-family:var(--font-mono);font-weight:600;color:var(--text);padding:6px 5px;background:var(--panel-2);border-left:1px solid var(--line);border-right:1px solid var(--line);cursor:pointer;user-select:none;transition:all .15s}.zoomctl .lvl:hover{color:var(--down);background:var(--panel-2-solid)}.shell{flex:1;display:flex;min-height:0}.pane{background:var(--panel);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);display:flex;flex-direction:column;min-height:0;z-index:5}.pane-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:11px 14px;border-bottom:1px solid var(--line);font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}#editorPane{width:380px;border-right:1px solid var(--line);flex:0 0 auto}#chatPane{width:360px;border-left:1px solid var(--line);flex:0 0 auto}#learnPane{width:420px;border-left:1px solid var(--line);flex:0 0 auto}#editorPane.hidden,#inspector.hidden,#chatPane.hidden,#learnPane.hidden{display:none!important}#editorPane,#inspector,#chatPane,#learnPane,#docPane,.stage{contain:layout style}#src{flex:1;width:100%;resize:none;border:none;background:var(--stage);padding:14px;font-family:var(--font-mono);font-size:12px;line-height:1.65;tab-size:2;white-space:pre;overflow:auto;color:var(--text)}#src:focus{outline:none}.pane-foot{padding:10px 14px;border-top:1px solid var(--line);display:flex;gap:8px;align-items:center}select.ex{flex:1;min-width:0;background:var(--panel-2);border:1px solid var(--line);border-radius:7px;padding:6px 10px;font-size:11.5px;color:var(--muted);transition:border-color .15s}select.ex:focus{outline:none;border-color:var(--down);color:var(--text)}.scale-select{width:auto;min-width:76px}.err{display:none;padding:12px 14px;border-top:1px solid var(--line);background:#ff7a5c14;color:var(--sel);font-size:11.5px;font-family:var(--font-mono);white-space:pre-wrap}.err.show{display:block}.err #errMsg{margin-bottom:8px}.err .btn{border-color:var(--sel);color:var(--sel)}.err .btn:hover:not(:disabled){background:var(--sel);color:#080a0e}.pane-foot.ask{border-top:1px solid var(--line);border-bottom:0}.pane-foot.ask input{flex:1;min-width:0;background:var(--panel-2);border:1px solid var(--line);border-radius:7px;padding:7px 10px;font-size:12.5px;color:var(--text);transition:border-color .15s}.pane-foot.ask input:focus{outline:none;border-color:var(--down)}.gutter{width:5px;cursor:col-resize;background:var(--line);flex:0 0 auto;transition:background .2s}.gutter:hover{background:var(--down)}.stage{position:relative;flex:1;min-width:0;background:var(--stage);overflow:hidden}#canvas{position:absolute;inset:0;cursor:grab;touch-action:none}#canvas.panning{cursor:grabbing}#canvas.zooming{cursor:crosshair}#canvas.panning *,#canvas.zooming *{pointer-events:none!important}#canvas.space-pan{cursor:grab!important}#canvas.space-pan.panning{cursor:grabbing!important}#scene{position:absolute;top:0;left:0;transform-origin:0 0}#scene svg{display:block;max-width:none!important;height:auto}.hud{position:absolute;left:50%;transform:translate(-50%);bottom:18px;display:flex;gap:12px;align-items:center;color:var(--muted);font-size:11px;font-weight:500;letter-spacing:.02em;background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--line-strong);border-radius:9999px;padding:6px 18px;box-shadow:var(--shadow-elevated);pointer-events:auto;z-index:10;transition:all .2s ease}.hud:hover{border-color:var(--muted);box-shadow:var(--shadow-elevated),0 0 16px #0000004d}.hud kbd{border:1px solid var(--line-strong);border-radius:4px;padding:1.5px 5px;background:var(--panel-2);color:var(--text);font-family:var(--font-mono);font-size:9.5px;font-weight:600}.hud-item{display:inline-flex;align-items:center;gap:4px}.hud-item+.hud-item:before{content:"·";color:var(--line-strong);margin-right:8px}.legend{position:absolute;right:16px;top:16px;display:flex;gap:14px;font-size:10.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--line);border-radius:8px;padding:6px 12px;pointer-events:none;box-shadow:var(--shadow-sm)}.legend i{display:inline-block;width:14px;height:2.5px;vertical-align:middle;margin-right:6px;border-radius:2px}.spin{position:absolute;inset:0;display:none;place-items:center;background:#080a0eb8;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:600;z-index:25}.spin.show{display:grid}.toast{position:absolute;left:50%;transform:translate(-50%);bottom:68px;background:var(--panel-solid);border:1px solid var(--line-strong);border-radius:8px;padding:9px 16px;font-size:12px;font-weight:500;color:var(--text);box-shadow:var(--shadow-elevated);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:35}.toast.show{opacity:1;transform:translate(-50%) translateY(-2px)}.dirsel{background:var(--panel-2);border:1px solid var(--line);border-radius:7px;padding:6px 9px;font-size:11.5px;color:var(--muted);transition:border-color .15s}.dirsel:focus{outline:none;border-color:var(--down);color:var(--text)}.advice,.focusbar{position:absolute;left:50%;transform:translate(-50%);top:14px;display:none;align-items:center;gap:10px;max-width:min(680px,90%);background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--line-strong);border-left:3px solid var(--down);border-radius:8px;padding:9px 14px;font-size:12px;box-shadow:var(--shadow-elevated);z-index:12}.focusbar{border-left-color:var(--sel)}.advice.show,.focusbar.show{display:flex}.advice.show+.focusbar.show{top:66px}.advice .msg,.focusbar .msg{color:var(--muted);flex:1;min-width:0}.advice .msg b,.focusbar .msg b{color:var(--text);font-weight:600}.advice .btn,.focusbar .btn{padding:4px 9px;white-space:nowrap}.advice .x{color:var(--muted);padding:0 3px;font-size:14px;line-height:1;cursor:pointer}#inline{position:absolute;display:none;z-index:30;resize:none;overflow:hidden;background:var(--panel-solid);color:var(--text);border:2px solid var(--sel);border-radius:7px;padding:6px 10px;text-align:center;font-size:12.5px;line-height:1.4;box-shadow:var(--shadow-elevated);font-family:var(--font-mono)}#inline.show{display:block}#inspector{width:320px;border-left:1px solid var(--line);flex:0 0 auto}.seg{display:flex;padding:10px 14px;gap:6px;border-bottom:1px solid var(--line)}.seg button{flex:1;border:1px solid var(--line);border-radius:7px;padding:6px 5px;font-size:10.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);background:var(--panel-2);transition:all .15s}.seg button:hover{color:var(--text);border-color:var(--line-strong)}.seg button.on{background:var(--down);color:#080a0e;border-color:var(--down)}#find{width:100%;border:none;border-bottom:1px solid var(--line);background:transparent;padding:10px 14px;font-size:12.5px;color:var(--text);transition:border-color .15s}#find:focus{outline:none;border-bottom-color:var(--down)}.scroll{flex:1;overflow:auto;min-height:0}.sel-head{padding:14px 14px 12px;border-bottom:1px solid var(--line);background:var(--panel-2)}.sel-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.sel-head .id{font-family:var(--font-mono);font-weight:700;font-size:13px;color:var(--text);word-break:break-all}.copy-id-btn{font-family:var(--font-sans);font-size:10px;font-weight:500;padding:3px 8px;border-radius:5px;background:var(--panel-solid);border:1px solid var(--line);color:var(--muted);cursor:pointer;transition:all .15s ease;flex:0 0 auto}.copy-id-btn:hover{color:var(--text);border-color:var(--muted);background:var(--panel-2)}.copy-id-btn.copied{color:var(--up);border-color:var(--up)}.sel-head .grp{display:inline-block;color:var(--down);font-size:10.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;margin-top:6px;background:#ffb0201a;border:1px solid rgba(255,176,32,.25);padding:1px 7px;border-radius:12px}.sel-meta{margin-top:8px;font-size:11px;color:var(--muted)}.field{margin-bottom:12px;position:relative}.field label{display:block;font-size:10px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}.field textarea,.field input,.field select{width:100%;background:var(--panel-2);border:1px solid var(--line);border-radius:7px;padding:7px 9px;font-size:12.5px;resize:vertical;transition:border-color .15s;color:var(--text)}.field textarea:focus,.field input:focus,.field select:focus{outline:none;border-color:var(--down)}.swatches{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.sw{width:24px;height:24px;border-radius:6px;border:1px solid rgba(255,255,255,.18);position:relative;padding:0;cursor:pointer;transition:transform .15s}.sw:hover{transform:scale(1.12)}.sw.on{box-shadow:0 0 0 2px var(--panel),0 0 0 4px var(--text)}.sw.clear{background:repeating-linear-gradient(45deg,var(--panel-2),var(--panel-2) 4px,var(--line) 4px,var(--line) 8px)}.sw input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}.group{padding:14px}.group h3{font-size:10px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:9px;display:flex;align-items:center;gap:8px}.group h3 .n{margin-left:auto;color:var(--text);font-family:var(--font-mono);font-size:10.5px}.group h3:before{content:"";width:10px;height:2px;background:var(--muted);border-radius:2px}.group.up h3:before{background:var(--up)}.group.down h3:before{background:var(--down)}.group.edit{border-bottom:1px solid var(--line)}.chip{display:block;width:100%;text-align:left;padding:7px 10px;margin-bottom:4px;border-radius:6px;border:1px solid transparent;background:var(--panel-2);font-size:12px;color:var(--text);transition:all .15s ease}.chip:hover{border-color:var(--line-strong);background:var(--panel-2-solid);transform:translate(2px)}.chip .via{color:var(--muted);font-size:10.5px;display:block;margin-top:2px}.empty{color:var(--muted);font-size:11.5px;padding:4px 0}.hint{padding:16px 14px;color:var(--muted);font-size:12px;line-height:1.7}.chat-context-badge{display:flex;align-items:center;gap:8px;padding:8px 14px;border-bottom:1px solid var(--line);background:var(--panel-2);font-size:11px;color:var(--muted);min-height:32px}.chat-context-dot{width:6px;height:6px;border-radius:50%;background:var(--up);box-shadow:0 0 6px currentColor;flex:0 0 auto}.chat-context-badge.error .chat-context-dot{background:var(--sel);box-shadow:0 0 6px var(--sel)}.chat-context-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}.chat-messages{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:12px;min-height:0}.chat-empty{text-align:center;color:var(--muted);font-size:12px;padding:36px 16px;line-height:1.6}.chat-msg{display:flex;flex-direction:column;max-width:92%;line-height:1.6;font-size:12.5px;word-break:break-word;position:relative;animation:msgIn .18s cubic-bezier(.16,1,.3,1)}@keyframes msgIn{0%{opacity:0;transform:translateY(6px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.chat-msg.user{align-self:flex-end;background:linear-gradient(135deg,var(--panel-2),var(--panel-2-solid));border:1px solid var(--line-strong);border-radius:12px 12px 2px;padding:9px 13px;color:var(--text);box-shadow:var(--shadow-sm)}.chat-msg.assistant{align-self:flex-start;background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--line);border-radius:12px 12px 12px 2px;padding:12px 14px;color:var(--text);box-shadow:var(--shadow-sm);width:calc(100% - 10px)}[data-theme=light] .chat-msg.assistant{background:#ffffffe6}.chat-msg.assistant p{margin-bottom:8px}.chat-msg.assistant p:last-child{margin-bottom:0}.chat-msg.assistant ul,.chat-msg.assistant ol{margin:6px 0 8px 20px}.chat-msg.assistant li{margin-bottom:4px}.chat-msg.assistant code{background:var(--stage);padding:2px 5px;border-radius:4px;font-family:var(--font-mono);font-size:11px;border:1px solid var(--line)}.chat-msg.assistant pre{background:var(--stage);padding:10px 12px;border-radius:7px;overflow-x:auto;margin:8px 0;border:1px solid var(--line)}.chat-msg.assistant pre code{border:none;padding:0;background:none}.chat-msg.assistant strong{font-weight:600;color:var(--text)}.chat-msg.assistant .chat-typing{color:var(--muted);font-style:italic}.chat-mention{display:inline-flex;align-items:center;gap:2px;padding:1px 7px;border-radius:12px;background:#35d6c61f;border:1px solid rgba(53,214,198,.28);color:var(--up);font-family:var(--font-mono);font-size:11px;font-weight:600;cursor:pointer;transition:all .16s ease;vertical-align:baseline}.chat-mention:hover{background:var(--up);color:#080a0e;border-color:var(--up);box-shadow:0 0 10px #35d6c666;transform:translateY(-1px)}.chat-quick-prompts{display:flex;flex-wrap:wrap;gap:6px;padding:8px 14px;border-top:1px solid var(--line);background:var(--panel);max-height:110px;overflow-y:auto}.chat-chip{font-size:10.5px;font-weight:500;color:var(--muted);background:var(--panel-2);border:1px solid var(--line);border-radius:12px;padding:4px 10px;cursor:pointer;transition:all .15s;white-space:nowrap;max-width:100%;overflow:hidden;text-overflow:ellipsis}.chat-chip:hover{color:var(--text);border-color:var(--muted);background:var(--panel-2-solid)}.chat-copy-btn{align-self:flex-end;margin-top:8px;font-size:10px;font-family:var(--font-sans);font-weight:500;color:var(--muted);background:var(--panel-2);border:1px solid var(--line);cursor:pointer;padding:3px 8px;border-radius:5px;transition:all .15s ease;display:inline-flex;align-items:center;gap:4px}.chat-copy-btn:hover{color:var(--text);border-color:var(--muted);background:var(--panel-2-solid)}.chat-copy-btn.copied{color:var(--up);border-color:var(--up)}.chat-typing-dots{display:inline-flex;gap:5px;align-items:center;padding:6px 2px}.chat-typing-dots span{width:5px;height:5px;border-radius:50%;background:var(--down);box-shadow:0 0 6px #ffb02099;animation:chatDot 1.3s infinite ease-in-out}.chat-typing-dots span:nth-child(2){animation-delay:.2s}.chat-typing-dots span:nth-child(3){animation-delay:.4s}@keyframes chatDot{0%,80%,to{transform:scale(0);opacity:.3}40%{transform:scale(1);opacity:1}}.hop-badge{font-size:9.5px;font-family:var(--font-mono);font-weight:600;letter-spacing:.04em;color:var(--up);background:#35d6c61f;border:1px solid rgba(53,214,198,.25);padding:1.5px 6px;border-radius:10px;margin-left:auto;flex:0 0 auto}.chip-row{display:flex;align-items:center;width:100%;gap:6px}.chat-foot{padding:10px 14px;border-top:1px solid var(--line);display:flex;gap:8px;align-items:center}.chat-foot input{flex:1;min-width:0;background:var(--panel-2);border:1px solid var(--line);border-radius:7px;padding:7px 10px;font-size:12.5px;color:var(--text);transition:border-color .15s}.chat-foot input:focus{outline:none;border-color:var(--down)}#chatClear{font-size:10px;padding:3px 7px;border-radius:5px}.learn-head-actions{display:flex;align-items:center;gap:6px}#bLearnAi{color:var(--down);border-color:#ffb02059;font-weight:600}#bLearnAi:hover:not(:disabled){background:var(--down);color:#080a0e;border-color:var(--down)}#bLearnRefresh{padding:4px 8px;font-size:12px}.learn-tabs-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;padding:8px 12px;background:var(--panel-2);border-bottom:1px solid var(--line)}.learn-tab-btn{padding:6px 4px;font-size:11px;font-weight:500;border-radius:6px;color:var(--muted);border:1px solid transparent;transition:all .16s ease;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}.learn-tab-btn:hover{color:var(--text);background:var(--panel-2-solid)}.learn-tab-btn.on{color:#080a0e;background:var(--down);border-color:var(--down);font-weight:600;box-shadow:0 0 10px #ffb0204d}.learn-content{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:14px;min-height:0}.learn-player-card{background:linear-gradient(135deg,#19212cbf,#121821e0);border:1px solid var(--line-strong);border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow-sm);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur)}[data-theme=light] .learn-player-card{background:linear-gradient(135deg,#f1f5f9d9,#fffffff2)}.podcast-badge{align-self:flex-start;font-size:9.5px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;padding:2px 8px;border-radius:9999px;background:#35d6c624;color:var(--up);border:1px solid rgba(53,214,198,.3)}.player-title{font-size:13.5px;font-weight:600;color:var(--text);margin-top:2px}.player-speakers{font-size:11px;color:var(--muted);line-height:1.4}.audio-wave-visualizer{display:flex;align-items:center;justify-content:center;gap:4px;height:26px;margin:2px 0}.audio-wave-visualizer span{width:3px;height:6px;border-radius:2px;background:var(--down);opacity:.35;transition:height .2s ease,opacity .2s ease}.audio-wave-visualizer.playing span{opacity:.9;animation:soundWave 1.2s ease-in-out infinite alternate}.audio-wave-visualizer span:nth-child(2n){animation-delay:.15s}.audio-wave-visualizer span:nth-child(3n){animation-delay:.3s}.audio-wave-visualizer span:nth-child(4n){animation-delay:.45s}@keyframes soundWave{0%{height:4px}50%{height:22px}to{height:8px}}.player-controls{display:flex;align-items:center;gap:10px}.audio-scrubber{flex:1;accent-color:var(--down);cursor:pointer;height:5px}.audio-time{font-family:var(--font-mono);font-size:10.5px;color:var(--muted);min-width:76px;text-align:right}#audioSpeedBtn{font-family:var(--font-mono);font-size:10.5px;padding:4px 8px;min-width:44px}.transcript-header{display:flex;justify-content:space-between;align-items:center;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:4px 2px}.transcript-hint{font-size:10px;font-weight:400;text-transform:none;opacity:.8}.podcast-transcript{display:flex;flex-direction:column;gap:10px}.podcast-turn{display:flex;gap:10px;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:var(--panel-2);cursor:pointer;transition:all .16s ease}.podcast-turn:hover{border-color:var(--line-strong);background:var(--panel-2-solid)}.podcast-turn.active-turn{border-color:var(--down);background:#ffb02017;box-shadow:0 0 12px #ffb0202e}.speaker-avatar{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;flex:0 0 auto;color:#080a0e}.speaker-avatar.alex{background:var(--up);box-shadow:0 0 8px #35d6c666}.speaker-avatar.morgan{background:var(--down);box-shadow:0 0 8px #ffb02066}.turn-body{flex:1;min-width:0}.turn-meta{display:flex;align-items:baseline;gap:6px;font-size:11px;margin-bottom:3px}.turn-time{font-family:var(--font-mono);font-size:10px;color:var(--muted);margin-left:auto}.turn-text{font-size:12px;line-height:1.55;color:var(--text)}.turn-node-link{margin-top:6px}.learn-node-badge{display:inline-flex;align-items:center;gap:3px;padding:2px 8px;border-radius:9999px;background:#35d6c61f;border:1px solid rgba(53,214,198,.3);color:var(--up);font-family:var(--font-mono);font-size:11px;font-weight:600;cursor:pointer;transition:all .15s ease}.learn-node-badge:hover{background:var(--up);color:#080a0e;transform:translateY(-1px);box-shadow:0 0 10px #35d6c666}.learn-node-badge .badge-label{font-weight:400;opacity:.85}.analogy-banner{padding:14px;border-radius:12px;background:linear-gradient(135deg,#19212ccc,#121821e6);border:1px solid var(--line-strong);display:flex;flex-direction:column;gap:6px}[data-theme=light] .analogy-banner{background:linear-gradient(135deg,#f1f5f9d9,#fffffff2)}.analogy-domain-pill{align-self:flex-start;font-size:9.5px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;padding:2px 8px;border-radius:9999px;background:#ffb02024;color:var(--down);border:1px solid rgba(255,176,32,.3)}.analogy-title{font-size:14px;font-weight:700;color:var(--text)}.analogy-tagline{font-size:12px;color:var(--muted);line-height:1.5}.analogy-domain-picker{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--muted);margin-top:6px}.analogy-sketch-container{border-radius:12px;overflow:hidden;border:1px solid var(--line)}.analogy-cards-head{display:flex;justify-content:space-between;align-items:center;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-top:4px}.analogy-cards-grid{display:flex;flex-direction:column;gap:8px}.analogy-card{padding:12px 14px;border-radius:10px;background:var(--panel-2);border:1px solid var(--line);display:flex;flex-direction:column;gap:6px;transition:all .16s ease;cursor:pointer}.analogy-card:hover{background:var(--panel-2-solid);border-color:var(--line-strong);transform:translateY(-1px)}.analogy-card-header{display:flex;justify-content:space-between;align-items:center;gap:8px}.analogy-metaphor-title{font-size:12.5px;font-weight:600;color:var(--text)}.analogy-role-badge{font-size:10px;font-weight:600;color:var(--down);background:#ffb0201f;padding:1.5px 6px;border-radius:6px;border:1px solid rgba(255,176,32,.25)}.analogy-card-body{font-size:11.5px;color:var(--muted);line-height:1.5}.feynman-hero{padding:14px;border-radius:12px;background:linear-gradient(135deg,#19212ccc,#121821e6);border:1px solid var(--line-strong);display:flex;flex-direction:column;gap:6px}[data-theme=light] .feynman-hero{background:linear-gradient(135deg,#f1f5f9d9,#fffffff2)}.feynman-badge{align-self:flex-start;font-size:9.5px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;padding:2px 8px;border-radius:9999px;background:#ff7a5c24;color:var(--sel);border:1px solid rgba(255,122,92,.3)}.feynman-headline{font-size:14px;font-weight:700;color:var(--text)}.feynman-oneliner{font-size:12px;color:var(--muted);line-height:1.5}.feynman-section{display:flex;flex-direction:column;gap:8px}.feynman-subhead{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.feynman-big-picture-card,.feynman-why-card{padding:12px 14px;border-radius:10px;background:var(--panel-2);border:1px solid var(--line);font-size:12px;line-height:1.6;color:var(--text)}.feynman-steps-list{display:flex;flex-direction:column;gap:8px}.feynman-step-row{display:flex;gap:12px;padding:10px 12px;border-radius:10px;background:var(--panel-2);border:1px solid var(--line)}.step-num{width:24px;height:24px;border-radius:50%;background:var(--down);color:#080a0e;font-weight:700;font-size:11px;display:flex;align-items:center;justify-content:center;flex:0 0 auto}.step-title{font-size:12px;font-weight:600;color:var(--text);margin-bottom:2px}.step-desc{font-size:11.5px;color:var(--muted);line-height:1.5}.jargon-grid{display:flex;flex-direction:column;gap:6px}.jargon-card{display:flex;flex-direction:column;gap:2px;padding:8px 12px;border-radius:8px;background:var(--panel-2);border:1px solid var(--line)}.jargon-term{font-size:11px;font-weight:700;color:var(--up);font-family:var(--font-mono)}.jargon-plain{font-size:11.5px;color:var(--text)}.quiz-header{display:flex;flex-direction:column;gap:8px}.quiz-status-bar{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-radius:10px;background:var(--panel-2);border:1px solid var(--line)}.quiz-score-pill{font-size:12px;color:var(--text);font-weight:500}.quiz-score-pill strong{color:var(--down);font-weight:700;font-family:var(--font-mono)}.quiz-progress-text{font-size:11px;color:var(--muted)}.quiz-list{display:flex;flex-direction:column;gap:14px}.quiz-card{padding:14px;border-radius:12px;background:var(--panel-2);border:1px solid var(--line);display:flex;flex-direction:column;gap:10px;transition:border-color .2s ease}.quiz-card.answered{border-color:var(--line-strong)}.quiz-card-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.quiz-q-num{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.quiz-scenario-pill{font-size:10px;padding:2px 8px;border-radius:9999px;background:#ffffff0f;color:var(--muted);max-width:70%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.quiz-question{font-size:12.5px;font-weight:600;color:var(--text);line-height:1.5}.quiz-options-list{display:flex;flex-direction:column;gap:6px}.quiz-option-btn{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;border:1px solid var(--line);background:var(--panel-solid);color:var(--text);font-size:11.5px;text-align:left;cursor:pointer;transition:all .15s ease}.quiz-option-btn:hover:not(:disabled){background:var(--panel-2-solid);border-color:var(--line-strong);transform:translate(2px)}.quiz-option-btn .opt-letter{width:20px;height:20px;border-radius:4px;background:#ffffff14;font-size:10px;font-weight:700;font-family:var(--font-mono);display:flex;align-items:center;justify-content:center;flex:0 0 auto}.quiz-option-btn.correct{background:#35d6c629;border-color:var(--up);color:var(--up);font-weight:600}.quiz-option-btn.correct .opt-letter{background:var(--up);color:#080a0e}.quiz-option-btn.wrong{background:#ff7a5c29;border-color:var(--sel);color:var(--sel)}.quiz-option-btn.wrong .opt-letter{background:var(--sel);color:#fff}.quiz-explanation-box{display:none;padding:10px 12px;border-radius:8px;background:#0003;border-left:3px solid var(--down);margin-top:4px}.quiz-explanation-box.show{display:block}.explanation-title{font-size:11px;font-weight:700;color:var(--text);margin-bottom:3px}.explanation-text{font-size:11.5px;color:var(--muted);line-height:1.5}.explanation-link{margin-top:6px}#scene .edgeLabel foreignObject{overflow:visible}#scene .edgeLabel .labelBkg,#scene .edgeLabel .label-container{background:transparent!important}#scene .edgeLabel foreignObject span,#scene .edgeLabel foreignObject p{background:var(--label-bg);color:var(--label-fg)!important;padding:2px 7px;border-radius:5px;font-weight:600;box-shadow:0 1px 3px #00000059;white-space:nowrap}#scene.tracing .node{opacity:.14}#scene.tracing .cluster{opacity:.35}#scene.tracing .cluster.c-on{opacity:1!important}#scene.tracing .cluster.c-on rect,#scene.tracing .cluster.c-on polygon{stroke:var(--sel)!important;stroke-width:2.5px!important}#scene.tracing .node.n-on{opacity:1}#scene.tracing .edgePaths path{opacity:.08}#scene.tracing .edgeLabels>g{opacity:.08}#scene.tracing .edgePaths path.e-on{opacity:1}#scene.tracing .edgeLabels>g.e-on{opacity:1}#scene .node.n-sel>*:first-child{filter:drop-shadow(0 0 8px var(--sel))}#scene .node.n-sel rect,#scene .node.n-sel polygon,#scene .node.n-sel circle,#scene .node.n-sel path{stroke:var(--sel)!important;stroke-width:3px!important}#scene .node.n-up rect,#scene .node.n-up polygon,#scene .node.n-up circle,#scene .node.n-up path{stroke:var(--up)!important;stroke-width:2.5px!important}#scene .node.n-down rect,#scene .node.n-down polygon,#scene .node.n-down circle,#scene .node.n-down path{stroke:var(--down)!important;stroke-width:2.5px!important}#scene .edgePaths path.e-up{stroke:var(--up)!important;stroke-width:2.5px!important}#scene .edgePaths path.e-down{stroke:var(--down)!important;stroke-width:2.5px!important}#scene .edgePaths path.e-on{stroke-dasharray:9 6}#canvas:not(.panning) #scene .edgePaths path.e-on{animation:flow .7s linear infinite}@keyframes flow{to{stroke-dashoffset:-15}}#scene .node{cursor:pointer}#scene .edgeLabels>g{cursor:text}@media (prefers-reduced-motion:reduce){#scene .edgePaths path.e-on{animation:none;stroke-dasharray:none}#scene *{transition:none!important}}@media print{.bar,#editorPane,#inspector,.gutter,.hud,.legend,#inline{display:none!important}body{background:#fff}.stage{overflow:visible}}.scrim,.tabs,.grab{display:none}@media (max-width:1100px) and (min-width:821px){#editorPane{position:absolute;z-index:20;top:0;bottom:0;left:0;box-shadow:var(--shadow-elevated)}#inspector{position:absolute;z-index:20;top:0;bottom:0;right:0;box-shadow:var(--shadow-elevated)}#chatPane,#learnPane{position:absolute;z-index:21;top:0;bottom:0;right:0;box-shadow:var(--shadow-elevated)}.gutter{display:none}}@media (max-width:820px){:root{--tabh:58px;--safe-b:env(safe-area-inset-bottom,0px)}html,body{height:100dvh;overscroll-behavior:none}body{font-size:14px}.bar{padding:calc(env(safe-area-inset-top,0px) + 9px) 14px 9px;gap:0;flex-wrap:nowrap;align-items:center}.brand{flex:0 0 auto;gap:8px}.brand h1{font-size:15px}.brand .sub,.bar .spacer{display:none}.stats{margin-left:auto;gap:12px;font-size:10px;letter-spacing:.06em;white-space:nowrap;overflow:hidden}.shell{position:relative}.gutter{display:none}.stage{position:absolute;inset:0}.pane,.tools{position:fixed;left:0;right:0;bottom:0;z-index:40;width:auto;max-width:none;flex:0 0 auto;height:min(76dvh,640px);background:var(--panel);border:1px solid var(--line);border-bottom:none;border-radius:18px 18px 0 0;box-shadow:0 -22px 50px -30px #000000f2;padding-bottom:calc(var(--tabh) + var(--safe-b));transform:translateY(0);transition:transform .26s cubic-bezier(.32,.72,0,1);display:flex;flex-direction:column}#editorPane,#inspector,#chatPane,#learnPane{width:auto;border-right:none;border-left:none}#editorPane.hidden,#inspector.hidden,#chatPane.hidden,#learnPane.hidden,.tools:not(.open){display:flex;transform:translateY(102%);pointer-events:none}.tools{height:auto;max-height:76dvh;overflow-y:auto;align-items:stretch;gap:10px;padding:0 16px calc(var(--tabh) + var(--safe-b) + 18px)}.grab{display:block;flex:0 0 auto;width:100%;height:26px;padding:0;border:none;background:none;position:relative}.grab:after{content:"";position:absolute;left:50%;top:11px;transform:translate(-50%);width:38px;height:4px;border-radius:2px;background:var(--line)}.grab:active:after{background:var(--muted)}.scrim{display:block;position:fixed;inset:0;z-index:30;background:#00000080;opacity:0;pointer-events:none;transition:opacity .26s}.scrim.show{opacity:1;pointer-events:auto}.tools .btn,.tools .dirsel{width:100%;min-height:46px;font-size:13px;letter-spacing:.06em;display:flex;align-items:center;justify-content:center}#tEditor,#tInspect,#tChat,#tLearn,.zoomctl{display:none}.tabs{display:grid;grid-template-columns:repeat(6,1fr);position:fixed;left:0;right:0;bottom:0;z-index:45;background:var(--panel);border-top:1px solid var(--line);padding-bottom:var(--safe-b)}.tabs button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:var(--tabh);padding:7px 2px;color:var(--muted);font-size:10px;letter-spacing:.1em;text-transform:uppercase}.tabs button svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.tabs button.on{color:var(--down)}.tabs button:active{background:var(--panel-2)}.btn{padding:10px 13px;font-size:12px;min-height:40px}.pane-foot{padding:12px 14px;gap:10px;flex-wrap:nowrap}.pane,.tools{overflow-x:hidden}.pane-foot.ask input,.chat-foot input,.settings-body input,.field input,.field textarea,.field select,#find,select.ex,.settings-row select{font-size:16px}.pane-foot.ask input,.chat-foot input{padding:11px 12px}.pane-foot.ask .btn,.chat-foot .btn{min-width:74px}#find{padding:14px}#src{font-size:14px;padding:14px;-webkit-text-size-adjust:100%}.seg{padding:12px 14px}.seg button{min-height:42px;font-size:11px}.chip{padding:12px 11px;font-size:13px;margin-bottom:6px}.sw{width:34px;height:34px}.scroll{-webkit-overflow-scrolling:touch;overscroll-behavior:contain}.model-row{padding:11px 10px}.model-list{max-height:40dvh}.hud{display:none}.legend{right:auto;left:12px;top:auto;bottom:calc(var(--tabh) + var(--safe-b) + 14px);gap:12px;font-size:9.5px;padding:6px 9px}.toast{bottom:calc(var(--tabh) + var(--safe-b) + 78px);font-size:13px}.advice,.focusbar{left:12px;right:12px;transform:none;max-width:none;top:12px}.advice.show+.focusbar.show{top:76px}.spin{font-size:12px}.sources a{max-width:44vw}}@media (pointer:coarse){.touch-only{display:inline}.mouse-only{display:none}}@media (pointer:fine){.touch-only{display:none}}.settings{border-top:1px solid var(--line);background:var(--panel);flex:0 0 auto}.settings>summary{padding:8px 14px;cursor:pointer;color:var(--muted);font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;list-style:none;display:flex;gap:6px;align-items:baseline}.settings>summary::-webkit-details-marker{display:none}.settings>summary:before{content:"▸";display:inline-block;transition:transform .15s}.settings[open]>summary:before{transform:rotate(90deg)}.settings>summary b{color:var(--text);font-weight:600;text-transform:none;letter-spacing:0}.settings-body{padding:0 14px 14px;display:flex;flex-direction:column;gap:8px}.settings-body input[type=password],.settings-body input:not([type]){width:100%;padding:7px 10px;background:var(--panel-2);border:1px solid var(--line);border-radius:7px;color:var(--text)}.settings-row{display:flex;gap:8px;align-items:center}.settings-row input{flex:1}.settings-row label{color:var(--muted);font-size:11.5px;white-space:nowrap}.settings-row.tight{justify-content:space-between}.settings-row.tight label{display:flex;gap:6px;align-items:center;cursor:pointer}.settings-row select{padding:6px 9px;background:var(--panel-2);border:1px solid var(--line);border-radius:7px;color:var(--text)}.model-count{color:var(--muted);font-size:11px}.model-list{max-height:220px;overflow-y:auto;display:flex;flex-direction:column;gap:3px}.model-row{display:flex;flex-direction:column;gap:1px;padding:7px 10px;border:1px solid transparent;border-radius:7px;text-align:left;width:100%;transition:all .15s}.model-row:hover{background:var(--panel-2-solid)}.model-row.on{border-color:var(--up);background:var(--panel-2-solid)}.model-id{color:var(--text);font-size:12px;font-family:var(--font-mono)}.model-meta{color:var(--muted);font-size:10.5px}.sources{display:none;padding:8px 14px;border-top:1px solid var(--line);gap:6px;flex-wrap:wrap;align-items:baseline}.sources.show{display:flex}.sources-label{color:var(--muted);font-size:10.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}.sources a{color:var(--up);font-size:11.5px;text-decoration:none;max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;border-bottom:1px solid transparent;transition:border-color .15s}.sources a:hover{border-bottom-color:var(--up)}.ai-hint{display:none;padding:10px 14px;border-top:1px solid var(--line);color:var(--muted);font-size:11.5px;line-height:1.6}.ai-hint.show{display:block}.ai-hint a{color:var(--up);text-decoration:none;border-bottom:1px solid transparent}.ai-hint a:hover{border-bottom-color:var(--up)}#bAccount{max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}button:disabled,input:disabled{opacity:.45;cursor:not-allowed}.dlg{background:var(--panel-solid);color:var(--text);border:1px solid var(--line-strong);border-radius:12px;padding:0;width:min(440px,calc(100vw - 32px));box-shadow:var(--shadow-elevated)}.dlg::backdrop{background:#000000a6;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.dlg form,.dlg .dlg-head,.dlg .chart-list{padding:18px}.dlg h2{font-size:16px;font-weight:700;letter-spacing:.04em;margin-bottom:4px}.dlg-hint{color:var(--muted);font-size:12px;margin-bottom:14px;min-height:1em}.dlg label{display:block;font-size:10.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:12px 0 5px}.dlg input{width:100%;background:var(--panel-2);border:1px solid var(--line);border-radius:7px;padding:9px 12px;font-size:13.5px;margin-top:4px;color:var(--text)}.dlg input:focus{outline:none;border-color:var(--down)}.dlg-err{color:var(--sel);font-size:12px;min-height:1.4em;margin:8px 0 4px}.dlg-actions{display:flex;gap:8px;align-items:center;margin-top:12px;flex-wrap:wrap}.dlg-actions .spacer{flex:1}.dlg-head{display:flex;gap:8px;align-items:center;border-bottom:1px solid var(--line)}.dlg-head h2{flex:1;margin:0}.dlg-who{color:var(--muted);font-size:11.5px;max-width:40%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chart-list{list-style:none;max-height:60vh;overflow:auto;display:flex;flex-direction:column;gap:6px}.chart-row{display:flex;gap:6px;align-items:stretch}.chart-open{flex:1;text-align:left;background:var(--panel-2);border:1px solid transparent;border-radius:8px;padding:10px 12px;display:flex;flex-direction:column;gap:3px;transition:all .15s}.chart-open:hover{border-color:var(--line-strong);background:var(--panel-2-solid)}.chart-open b{font-weight:600;font-size:13px;color:var(--text)}.chart-open span{color:var(--muted);font-size:11px}.chart-del{color:var(--muted);font-size:18px;padding:0 12px;border-radius:7px;transition:all .15s}.chart-del:hover{color:var(--sel);background:#ff7a5c1a}.ai-upsell-body{padding:18px;display:flex;flex-direction:column;gap:12px}.ai-upsell-lead{font-size:13px;line-height:1.55;color:var(--text)}.ai-upsell-lead strong{color:var(--up)}.ai-upsell-perks{display:flex;flex-direction:column;gap:6px;padding:10px 14px;background:var(--panel-2);border-radius:8px;border:1px solid var(--line);font-size:11.5px;color:var(--text);margin:2px 0 6px}.perk-row{display:flex;align-items:center;gap:8px}.perk-row span{color:var(--up);font-weight:700}.ai-upsell-actions{display:flex;align-items:center;gap:8px;margin-top:8px;flex-wrap:wrap}#docPane{flex:1;min-width:0;min-height:0;display:flex;background:var(--stage);overflow:hidden}#docToc{width:240px;flex:0 0 auto;border-right:1px solid var(--line);background:var(--panel);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);display:flex;flex-direction:column;min-height:0;overflow:hidden}.doc-toc-head{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:14px 16px;border-bottom:1px solid var(--line);font-weight:600;flex:0 0 auto}.doc-toc-nav{flex:1;overflow-y:auto;padding:12px 10px;display:flex;flex-direction:column;gap:3px}.doc-toc-link{display:block;padding:6px 12px;border-radius:6px;color:var(--muted);text-decoration:none;font-size:12.5px;line-height:1.4;border-left:2px solid transparent;transition:all .15s;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.doc-toc-link:hover{color:var(--text);background:var(--panel-2)}.doc-toc-link.active{color:var(--down);border-left-color:var(--down);background:var(--panel-2);font-weight:600}.doc-toc-level-1{font-weight:600}.doc-toc-level-2{padding-left:18px}.doc-toc-level-3{padding-left:26px}.doc-toc-level-4{padding-left:34px}.doc-toc-level-5,.doc-toc-level-6{padding-left:42px}#docBody{flex:1;min-width:0;min-height:0;overflow-y:auto;overflow-x:hidden;background:var(--stage);padding:36px 48px;scroll-behavior:smooth}.doc-content{max-width:820px;margin:0 auto;font-family:var(--font-sans);font-size:15px;line-height:1.75;color:var(--text)}.doc-content h1,.doc-content h2,.doc-content h3,.doc-content h4,.doc-content h5,.doc-content h6{color:var(--text);font-weight:700;margin-top:1.8em;margin-bottom:.6em;line-height:1.3;scroll-margin-top:24px}.doc-heading{position:relative}.doc-anchor{position:absolute;left:-24px;top:0;color:var(--muted);text-decoration:none;opacity:0;transition:opacity .15s;font-weight:400}.doc-heading:hover .doc-anchor{opacity:.7}.doc-anchor:hover{color:var(--down);opacity:1}.task-item{list-style:none;margin-left:-18px}.task-checkbox{appearance:none;-webkit-appearance:none;width:15px;height:15px;border:1.5px solid var(--muted);border-radius:4px;background:var(--panel-2);margin-right:9px;vertical-align:middle;position:relative;cursor:default;transition:all .15s ease}.task-checkbox:checked{background:var(--down);border-color:var(--down)}.task-checkbox:checked:after{content:"";position:absolute;left:4px;top:1px;width:4px;height:8px;border:solid #080A0E;border-width:0 2px 2px 0;transform:rotate(45deg)}.doc-progress-bar{position:sticky;top:0;left:0;right:0;height:2.5px;background:transparent;z-index:15;margin:-36px -48px 33.5px}.doc-progress-fill{height:100%;background:var(--down);width:0%;transition:width .1s ease-out}.doc-content h1{font-size:28px;border-bottom:1px solid var(--line);padding-bottom:10px;margin-top:0}.doc-content h2{font-size:21px;border-bottom:1px solid var(--line);padding-bottom:7px}.doc-content h3{font-size:17px}.doc-content h4{font-size:15px}.doc-content p{margin-bottom:1.25em}.doc-content ul,.doc-content ol{margin:.8em 0 1.25em 24px}.doc-content li{margin-bottom:.4em}.doc-content blockquote{margin:1.4em 0;padding:10px 18px;border-left:3px solid var(--down);background:var(--panel-2);border-radius:0 8px 8px 0;color:var(--muted);font-style:italic}.doc-content blockquote p:last-child{margin-bottom:0}.doc-content pre{background:var(--panel-solid);border:1px solid var(--line-strong);border-radius:8px;padding:14px 16px;overflow-x:auto;margin:1.4em 0;font-family:var(--font-mono);font-size:12.5px;line-height:1.6;box-shadow:var(--shadow-sm)}.doc-content code{font-family:var(--font-mono);font-size:12px}.doc-content p code,.doc-content li code,.doc-content table code{background:var(--panel-2);border:1px solid var(--line);padding:2px 6px;border-radius:4px;color:var(--down);font-family:var(--font-mono)}.doc-content table{width:100%;border-collapse:separate;border-spacing:0;margin:1.6em 0;font-size:13.5px;border-radius:8px;border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow-sm)}.doc-content th,.doc-content td{padding:10px 14px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);text-align:left}.doc-content th:last-child,.doc-content td:last-child{border-right:none}.doc-content tr:last-child td{border-bottom:none}.doc-content th{background:var(--panel-2);font-weight:600;color:var(--text);letter-spacing:.02em}.doc-content tr:nth-child(2n){background:#ffffff04}[data-theme=light] .doc-content tr:nth-child(2n){background:#00000005}.doc-content hr{border:none;border-top:1px solid var(--line);margin:2em 0}.doc-content a{color:var(--up);text-decoration:none;transition:color .15s}.doc-content a:hover{text-decoration:underline}.md-diagram{border:1px solid var(--line-strong);border-radius:10px;background:var(--panel-solid);margin:28px 0;overflow:hidden;box-shadow:var(--shadow-elevated);display:flex;flex-direction:column}.md-diagram-toolbar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 14px;border-bottom:1px solid var(--line);background:var(--panel-2);flex-wrap:wrap}.md-diagram-tools{display:flex;align-items:center;gap:6px}.btn.btn-primary{background:var(--down);color:#080a0e;font-weight:600;border-color:var(--down)}.btn.btn-primary:hover{opacity:.9}.md-diagram-preview{padding:24px 16px;display:flex;justify-content:center;align-items:center;overflow-x:auto;background:var(--stage);min-height:100px}.md-diagram-preview svg{max-width:100%!important;height:auto!important;display:block}.md-diagram-err{color:var(--sel);font-size:12px;padding:12px;background:#ff7a5c14;border-radius:7px;width:100%}.dlg-fullscreen{width:92vw;max-width:1400px;height:88vh;max-height:88vh;display:none;flex-direction:column;padding:0;overflow:hidden;border-radius:12px}.dlg-fullscreen[open]{display:flex}.dlg-fullscreen-head{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;border-bottom:1px solid var(--line);background:var(--panel-2);flex:0 0 auto}.dlg-fullscreen-head .dlg-title{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.dlg-fullscreen-body{flex:1;min-height:0;padding:24px;display:flex;align-items:center;justify-content:center;overflow:auto;background:var(--stage)}.dlg-fullscreen-body svg{max-width:100%;max-height:100%;height:auto}.shortcuts-body{padding:16px 20px 20px;display:flex;flex-direction:column;gap:14px;max-height:75vh;overflow-y:auto}.shortcut-group-title{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--down);font-weight:700;margin-bottom:6px}.shortcut-row{display:flex;align-items:center;justify-content:space-between;padding:5px 0;font-size:12px}.shortcut-label{color:var(--text)}.shortcut-keys kbd{padding:2px 6px;border-radius:4px;border:1px solid var(--line);background:var(--panel-2);color:var(--text);font-size:11px}@media (max-width:820px){#docPane{flex-direction:column}#docToc{width:100%;max-height:150px;border-right:none;border-bottom:1px solid var(--line)}#docBody{padding:20px 16px}.dlg{width:calc(100vw - 24px)}.dlg input{font-size:16px;padding:11px 12px}.chart-open{padding:12px 11px}.chart-del{min-width:44px}}.ai-hint .btn{margin-top:8px;display:inline-block}