:root{--bg:#F4F7FA;--panel:#fff;--ink:#0F1E2E;--mute:#5b6b7b;--line:#d9e1e8;--accent:#0E7C86;--ok:#2E9E5B;--warn:#E2A100;--fail:#D64545;--canvas:#EAF0F5}@media (prefers-color-scheme:dark){:root{--bg:#0E1620;--panel:#162231;--ink:#E6EEF6;--mute:#93a4b5;--line:#26384b;--accent:#3CC3CE;--canvas:#0f1a26}}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.4 Inter,system-ui,Segoe UI,sans-serif}#app{height:100%;display:flex;flex-direction:column}header.top{display:flex;gap:10px;align-items:center;padding:8px 14px;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap}header.top h1{font-size:16px;margin:0;color:var(--accent);white-space:nowrap}.sp{flex:1}button,select,input,textarea{font:inherit;color:inherit}button{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:5px 10px;cursor:pointer}button:hover{border-color:var(--accent)}button:disabled{opacity:.5;cursor:default}button.pri,button.on{background:var(--accent);color:#fff;border-color:var(--accent)}select,input[type=text],input[type=number],textarea{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:4px 7px;width:100%}input[type=range]{width:100%;accent-color:var(--accent)}main.layout{flex:1;display:grid;grid-template-columns:300px minmax(0,1fr) 310px;gap:10px;padding:10px;min-height:0}@media (max-width:1100px){main.layout{grid-template-columns:1fr;overflow:auto;display:block}.col,#centre{overflow:visible}#centre #stage{height:62vh;flex:none}}.col{overflow:auto;min-height:0}#centre{display:flex;flex-direction:column;gap:10px;overflow:auto;min-height:0}#stage{position:relative;flex:0 0 58vh;min-height:380px;border-radius:8px;overflow:hidden;border:1px solid var(--line)}#stage canvas{display:block;width:100%;height:100%}#hud{position:absolute;left:10px;top:10px;background:#0a1420a6;color:#fff;padding:6px 10px;border-radius:8px;font:12px/1.5 Consolas,monospace;pointer-events:none}#views{position:absolute;right:10px;top:10px;display:flex;gap:6px}#views button{background:#0a1420a6;color:#fff;border-color:transparent}.card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:12px;margin-bottom:10px}.card>h2,details.card>summary{margin:0 0 8px;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--mute);font-weight:600}details.card>summary{cursor:pointer;list-style:none}details.card>summary:before{content:"▸ ";color:var(--accent)}details.card[open]>summary:before{content:"▾ "}details.card:not([open])>summary{margin-bottom:0}label.f{display:block;margin:9px 0 3px;color:var(--mute);font-size:12px}label.chk{display:flex;gap:6px;align-items:center;margin:6px 0;font-size:13px}label.chk input{width:auto}.row{display:flex;justify-content:space-between;align-items:baseline;gap:8px;padding:1px 0}.mono{font-family:JetBrains Mono,Consolas,monospace}.big{font-size:22px;font-weight:600}.small{font-size:12px;color:var(--mute)}.pill{display:inline-block;padding:4px 12px;border-radius:99px;color:#fff;font-weight:600}.pill.Comfortable{background:var(--ok)}.pill.Lively{background:var(--warn);color:#222}.pill.Overpowered{background:var(--fail)}.chip{display:inline-block;border:1px solid var(--line);border-radius:99px;padding:2px 10px;font-size:12px;cursor:pointer;margin:2px 2px 0 0;background:var(--panel)}.chip:hover{border-color:var(--accent)}.tip{border-left:3px solid var(--accent);padding:4px 8px;margin-top:6px;font-size:13px}.tip.warn{border-color:var(--warn)}.tip.bad{border-color:var(--fail)}.ok{color:var(--ok)}.bad{color:var(--fail)}.warnc{color:var(--warn)}.legend{height:10px;border-radius:5px;background:linear-gradient(90deg,#2b5fb8,#4fb3bf,#f4d03f,#e8743b,#c0272d);margin:6px 0 2px}table{border-collapse:collapse;width:100%;font-size:12px}th,td{border-bottom:1px solid var(--line);padding:4px 6px;text-align:left;vertical-align:middle}th{color:var(--mute);font-weight:600}td select,td input{padding:2px 4px;font-size:12px}.btn{display:block;width:100%;margin-top:6px;text-align:left}.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:8px}.numrow{display:grid;grid-template-columns:1fr auto;gap:6px;align-items:center}.numrow input[type=number]{width:96px}#flat svg{width:100%;height:auto;max-height:440px;display:block;background:#808c9b14;border-radius:8px}dialog{background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:10px;width:min(940px,96vw);max-height:90vh;padding:0;overflow:hidden}dialog::backdrop{background:#00000073}.dl-head{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line)}.dl-tabs{display:flex;gap:6px;padding:8px 14px;border-bottom:1px solid var(--line);flex-wrap:wrap}.dl-tabs button.on{background:var(--accent);color:#fff;border-color:var(--accent)}.dl-body{padding:12px 14px;overflow:auto;max-height:70vh}.dl-body[hidden]{display:none}.dl-body h3{margin:14px 0 6px;font-size:13px}.vgroup{margin:8px 0 2px;font-size:12px;font-weight:700;color:var(--accent)}.exp{font-size:11px;color:var(--warn);font-weight:600}.badge{display:inline-block;font-size:11px;padding:1px 7px;border-radius:99px;border:1px solid var(--line);color:var(--mute)}.fc{display:flex;align-items:flex-end;gap:2px;height:84px;overflow-x:auto;padding-bottom:2px}.fc div{flex:0 0 11px;background:var(--accent);opacity:.65;border-radius:2px 2px 0 0;cursor:pointer;position:relative}.fc div.sel{opacity:1;outline:2px solid var(--ink)}.fc div i{position:absolute;left:0;right:0;top:-3px;height:2px;background:var(--warn)}.toast{position:fixed;bottom:16px;left:50%;transform:translate(-50%);background:var(--ink);color:var(--bg);padding:8px 14px;border-radius:8px;z-index:50;font-size:13px;max-width:90vw}.tour-shade{position:fixed;inset:0;z-index:9000;background:transparent}.tour-ring{position:fixed;z-index:9001;border-radius:8px;border:2px solid var(--accent);box-shadow:0 0 0 9999px #050c169e;pointer-events:none;transition:all .25s ease}.tour-box{position:fixed;z-index:9002;background:var(--panel);color:var(--ink);border:1px solid var(--accent);border-radius:10px;padding:14px;box-shadow:0 8px 30px #00000073;transition:left .25s ease,top .25s ease}.tour-title{display:block;font-size:15px;margin-bottom:6px}.tour-text{font-size:13px;line-height:1.55;margin-bottom:12px}.tour-nav{display:flex;align-items:center;gap:8px}.tour-nav .small{flex:1;text-align:center}.tour-skip{background:transparent;border-color:transparent;color:var(--mute)}