:root{
  --bg:#141a2a;--panel:#0e1422;--surface:#161d30;--ink:#eef2fb;--muted:#93a0bd;--line:#25304c;
  --accent:#e8905a;--accent-ink:#1a0f06;--dusk:#e8844a;--star:#dfe8ff;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,Menlo,Consolas,monospace;color-scheme:dark;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font-family:var(--font);overflow:hidden;}
.app{display:grid;grid-template-columns:1fr 312px;height:100vh;height:100svh;}
.stage{position:relative;overflow:hidden;background:#141a2a;touch-action:none;}
#view{width:100%;height:100%;display:block;cursor:crosshair;}
.topbar{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:linear-gradient(180deg,rgba(10,14,22,0.5),transparent);pointer-events:none;}
.brand{font-weight:700;letter-spacing:0.01em;font-size:1.05rem;text-shadow:0 1px 6px rgba(0,0,0,0.7);}
.brand small{display:block;font-weight:400;font-size:0.7rem;letter-spacing:0.06em;color:var(--muted);text-transform:uppercase;margin-top:2px;}
.topbtns{display:flex;gap:8px;pointer-events:auto;}
.topbtns button{font-size:1rem;width:42px;height:42px;border-radius:10px;border:1px solid rgba(160,180,220,0.22);background:rgba(14,20,34,0.6);color:var(--ink);cursor:pointer;backdrop-filter:blur(4px);}
.topbtns button:hover{border-color:var(--accent);}
.stats{position:absolute;left:0;right:0;bottom:14px;text-align:center;font-family:var(--mono);font-size:0.8rem;color:#d6dcec;text-shadow:0 1px 5px rgba(0,0,0,0.85);pointer-events:none;letter-spacing:0.02em;}
.hint{position:absolute;left:50%;top:54%;transform:translate(-50%,-50%);text-align:center;color:rgba(238,242,251,0.72);font-size:0.9rem;letter-spacing:0.03em;pointer-events:none;text-shadow:0 1px 8px rgba(0,0,0,0.7);animation:fade 5.5s ease forwards;}
@keyframes fade{0%,55%{opacity:1;}100%{opacity:0;}}
.lockbar{position:absolute;inset:0;display:none;align-items:flex-start;justify-content:center;background:rgba(10,14,22,0.28);padding-top:18px;z-index:20;}
.slide{position:relative;width:min(80%,340px);height:54px;border-radius:27px;background:rgba(14,20,34,0.82);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;overflow:hidden;}
.slidelbl{color:var(--muted);font-size:0.85rem;letter-spacing:0.05em;}
.knob{position:absolute;left:3px;top:3px;width:48px;height:48px;border-radius:50%;background:var(--dusk);color:var(--accent-ink);display:flex;align-items:center;justify-content:center;font-weight:800;cursor:grab;touch-action:none;box-shadow:0 2px 10px rgba(0,0,0,0.5);}
.panel{background:var(--panel);border-left:1px solid var(--line);display:flex;flex-direction:column;overflow-y:auto;padding:13px;gap:11px;}
.pnl{background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:12px;}
.pnl h2{margin:0 0 9px;font-size:0.66rem;letter-spacing:0.09em;text-transform:uppercase;color:var(--muted);}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:7px;}
.vw{font:inherit;font-size:0.82rem;padding:11px 6px;min-height:44px;cursor:pointer;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:9px;}
.vw:hover{border-color:var(--accent);}
.vw[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink);font-weight:700;border-color:var(--accent);}
.row{display:flex;align-items:center;gap:11px;margin-top:4px;}
.row label{font-size:0.78rem;color:var(--muted);min-width:52px;}
.row input[type=range]{flex:1;accent-color:var(--dusk);}
.val{font-family:var(--mono);font-size:0.82rem;color:var(--dusk);min-width:62px;text-align:right;}
.lead{font-size:0.82rem;line-height:1.55;color:#c6cfe4;margin:0 0 4px;}
.lead b{color:var(--ink);}
.hint2{font-size:0.73rem;color:var(--muted);line-height:1.5;margin:8px 0 0;}
.foot{font-size:0.7rem;color:var(--muted);line-height:1.55;margin:2px 2px 0;-webkit-user-select:none;user-select:none;}
.foot a{color:var(--accent);}
@media (max-width:820px){
  .app{grid-template-columns:1fr;}
  .panel{position:absolute;top:0;right:0;bottom:0;width:300px;max-width:86%;transform:translateX(100%);transition:transform 0.22s ease;z-index:30;box-shadow:-8px 0 30px rgba(0,0,0,0.6);}
  .panel.open{transform:translateX(0);}
}