@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;600;800&display=swap');
*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#020508;--bg1:#040a12;--bg2:#060e18;--bd:#0c1520;--t1:#d0d8e4;--t2:#8898a8;--t3:#4a5a6a;--t4:#2a3a4a;--t5:#1a2838;--acc:#00c9a7;--gold:#f0c030;--red:#e04050;--spA:#00d4aa;--spB:#e08040}
.ninput{width:60px;background:var(--bg);border:1px solid var(--bd);border-radius:3px;color:var(--acc);font-family:inherit;font-size:9px;padding:2px 4px;text-align:center}
.ninput:focus{outline:1px solid var(--acc)}
body{background:var(--bg);color:var(--t2);font-family:'JetBrains Mono',monospace;overflow:hidden;font-size:11px;height:100vh}
#app{display:flex;flex-direction:column;height:100vh;padding:6px 10px}
.main-row{display:flex;gap:8px;flex:1;min-height:0;overflow:hidden}
.col-canvas{flex:1;min-width:0;display:flex;flex-direction:column}
.col-panel{width:360px;min-width:300px;display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden;scrollbar-width:thin;scrollbar-color:var(--bd) transparent}
.hd{display:flex;align-items:center;gap:10px;margin-bottom:6px;flex-wrap:wrap}
.logo{width:24px;height:24px;border-radius:50%;background:conic-gradient(from 30deg,#00c9a7,#0070e0,#8b5cf6,#f0c030,#e03040,#00c9a7);display:flex;align-items:center;justify-content:center;animation:sp 12s linear infinite;flex-shrink:0}
.logo i{width:16px;height:16px;border-radius:50%;background:var(--bg2)}
@keyframes sp{to{transform:rotate(360deg)}}
.ttl{font-size:13px;font-weight:800;letter-spacing:4px;color:var(--t1)}
.sub{font-size:6px;color:var(--t5);letter-spacing:2px}
.hdr-r{margin-left:auto;text-align:right}
.ev{font-size:22px;font-weight:800;color:var(--gold);line-height:1}
.es{font-size:7px;color:var(--t4)}
.gb{width:100px;height:6px;background:var(--bg2);border-radius:3px;overflow:hidden;border:1px solid var(--bd);margin-top:2px}
.gf{height:100%;border-radius:2px;transition:width .3s,background .3s}
.cw{position:relative;border-radius:5px;overflow:hidden;border:1px solid var(--bd);flex:1;min-height:0}
#sim{width:100%;height:100%;display:block;cursor:grab}
#sim:active{cursor:grabbing}
#sim.c2d{cursor:crosshair}
#sim.c2d:active{cursor:crosshair}
#sim.tool-perturb,#sim.tool-perturb:active{cursor:crosshair}
#sim.tool-wall,#sim.tool-wall:active{cursor:cell}
#sim.c2d.tool-perturb,#sim.c2d.tool-perturb:active{cursor:crosshair}
#sim.c2d.tool-wall,#sim.c2d.tool-wall:active{cursor:cell}
#sim2d{position:absolute;top:0;left:0;width:100%;height:100%;display:none;z-index:1;pointer-events:none}
.ci{position:absolute;font-size:6px;color:var(--t5);pointer-events:none;z-index:2}
.ci.bl{bottom:2px;left:5px}.ci.tr{top:2px;right:5px}
.fps-badge{position:absolute;top:2px;left:5px;font-size:6px;color:var(--acc);pointer-events:none;z-index:2;opacity:.6}
.vit{display:grid;grid-template-columns:1fr 1fr;gap:3px;margin-bottom:4px}
.vi{background:var(--bg1);border:1px solid var(--bd);border-radius:3px;padding:3px 6px}
.vl{font-size:5.5px;color:var(--t4);letter-spacing:1px;text-transform:uppercase}
.vv{font-size:12px;font-weight:700;color:var(--t1)}
.vs{font-size:6px;color:var(--t4)}
.ctl{display:flex;gap:3px;flex-wrap:wrap;align-items:center;margin-bottom:4px}
.b{padding:2px 8px;font-size:7px;border-radius:3px;border:1px solid var(--bd);background:transparent;color:var(--t3);cursor:pointer;font-family:inherit;letter-spacing:1px;text-transform:uppercase;transition:.12s}
.b:hover{filter:brightness(1.5)}.b.on{border-color:var(--acc);background:rgba(0,201,167,.07);color:var(--acc)}
.b.rd{color:var(--red);border-color:rgba(224,64,80,.2)}.b.gn{color:var(--acc);border-color:rgba(0,201,167,.2)}
.b.warn{color:#e08040;border-color:rgba(224,128,64,.2)}
.b.warn.on{color:#ff9030;border-color:#e08040;background:rgba(224,128,64,.12)}
.b.food-btn{color:#d4a017;border-color:rgba(212,160,23,.3)}
.b.food-btn.on{color:#f0c030;border-color:#d4a017;background:rgba(212,160,23,.12)}
.b.wall-btn{color:#6090c0;border-color:rgba(96,144,192,.3)}
.b.wall-btn.on{color:#80b0e0;border-color:#6090c0;background:rgba(96,144,192,.12)}
.b.heat-btn{color:#e06060;border-color:rgba(224,96,96,.3)}
.b.heat-btn.on{color:#ff8080;border-color:#e06060;background:rgba(224,96,96,.12)}
.sep2{width:1px;height:14px;background:var(--bd)}
.sw{display:flex;align-items:center;gap:3px;font-size:6px;color:var(--t4)}
.chk{display:flex;align-items:center;gap:2px;font-size:6px;color:var(--t4);cursor:pointer}.chk input{accent-color:var(--acc)}
.tabs{display:flex;gap:0;border-bottom:1px solid var(--bd)}
.tab{padding:5px 12px;font-size:7px;letter-spacing:1.5px;text-transform:uppercase;border:1px solid transparent;border-bottom:2px solid transparent;border-radius:3px 3px 0 0;background:transparent;color:var(--t4);cursor:pointer;font-family:inherit;transition:.12s;user-select:none}
.tab:hover{color:var(--t2);background:rgba(0,201,167,.02)}.tab.on{background:var(--bg1);border-color:var(--bd) var(--bd) transparent;border-bottom:2px solid var(--acc);color:var(--acc);font-weight:700}
.tb{background:var(--bg1);border:1px solid var(--bd);border-top:none;border-radius:0 0 3px 3px;padding:8px;min-height:80px;margin-bottom:4px;flex:1;overflow-y:auto}
.tp{display:none}.tp.on{display:block}
.ar{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:5px}
.ap{flex:1 1 240px;background:var(--bg2);border:1px solid var(--bd);border-radius:3px;padding:7px}
.at{font-size:6.5px;font-weight:600;letter-spacing:1.5px;color:var(--t3);text-transform:uppercase;margin-bottom:3px}
.hgrid{display:grid;grid-template-columns:1fr 1fr;gap:4px}
.hcard{background:var(--bg2);border:1px solid var(--bd);border-radius:3px;padding:6px}
.hch{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:1px}
.hcn{font-size:10px;font-weight:800}.hcv{font-size:11px;font-weight:700;color:var(--t1)}
.hcl{font-size:6px;color:var(--t4);margin-bottom:1px}
.hcf{font-size:7px;color:var(--t3);font-style:italic;margin-bottom:2px}
.hcd{font-size:6px;color:var(--t4);line-height:1.3}
.pgrid{display:grid;grid-template-columns:1fr 1fr;gap:4px}
.pcard{background:var(--bg2);border:1px solid var(--bd);border-radius:3px;padding:6px}
.pn{font-size:7px;font-weight:600;color:var(--t2)}
.pr{display:flex;align-items:center;gap:3px}.pr input[type=range]{flex:1;accent-color:var(--acc)}.pv{font-size:7px;color:var(--acc);width:32px;text-align:right;font-weight:600}
.ph-pills{display:flex;gap:3px;margin-bottom:6px;flex-wrap:wrap}
.ph-pill{padding:2px 8px;font-size:6px;letter-spacing:.5px;border-radius:10px;border:1px solid var(--bd);color:var(--t4)}
.ph-pill.on{font-weight:700}
.e-live{display:flex;align-items:center;gap:10px;padding:6px 8px;background:var(--bg2);border:1px solid var(--bd);border-radius:4px;margin-bottom:6px}
.e-live-val{font-size:20px;font-weight:800}
.e-live-bar{flex:1;height:8px;background:var(--bg);border-radius:4px;overflow:hidden;border:1px solid var(--bd)}
.e-live-fill{height:100%;border-radius:3px;transition:width .3s,background .3s}
.e-live-text{font-size:8px;font-weight:600}
.resil{background:rgba(224,128,64,.08);border:1px solid rgba(224,128,64,.2);border-radius:4px;padding:6px 10px;margin-bottom:6px;display:none}
.resil.show{display:flex;align-items:center;gap:8px}
.resil-icon{font-size:16px}.resil-text{font-size:8px;color:#e08040;line-height:1.4}
.fg{display:grid;grid-template-columns:1fr 1fr;gap:4px}
.fi{background:var(--bg2);border:1px solid var(--bd);border-radius:3px;padding:6px}
.fin{font-size:8px;font-weight:700;margin-bottom:1px}.fie{font-size:8px;color:var(--t2);margin-bottom:1px}.fid{font-size:6px;color:var(--t4)}
.fbox{background:var(--bg2);border:1px solid var(--bd);border-radius:3px;padding:8px;margin-bottom:6px}
.feq{font-size:13px;color:var(--t1);text-align:center;padding:4px 0}.feq.main{font-size:15px;color:var(--gold);font-weight:700}
.fdesc{font-size:7px;color:var(--t3);line-height:1.4}
.fsec{margin-bottom:8px}.fst{font-size:8px;font-weight:700;letter-spacing:2px;color:var(--gold);margin-bottom:4px;text-transform:uppercase}
.esc{display:flex;height:8px;border-radius:4px;overflow:hidden;margin:6px 0}
.esc div{flex:1}
.esc-labels{display:flex;justify-content:space-between;font-size:5.5px;color:var(--t4);margin-bottom:4px}
.pd{font-size:6px;color:var(--t4);margin-bottom:2px}
.dim-toggle{padding:3px 10px;font-size:8px;border-radius:3px;border:1px solid var(--acc);background:rgba(0,201,167,.1);color:var(--acc);cursor:pointer;font-family:inherit;letter-spacing:1px;font-weight:700;transition:.12s}
.dim-toggle:hover{background:rgba(0,201,167,.2);filter:brightness(1.2)}
.panel-toggle{padding:3px 8px;font-size:10px;border-radius:3px;border:1px solid var(--bd);background:rgba(0,201,167,.05);color:var(--t3);cursor:pointer;font-family:inherit;transition:.12s;line-height:1}
.panel-toggle:hover{border-color:var(--acc);color:var(--acc);background:rgba(0,201,167,.1)}

/* ── Panel collapsed state ── */
.panel-hidden .col-panel{display:none}
.panel-hidden .col-canvas{flex:1}
.fo{text-align:center;margin-top:4px;font-size:5px;color:#0a1218;letter-spacing:3px}

/* ── v13.1: Mode header ── */
.mode-hdr{background:var(--bg1);border:1px solid var(--bd);border-radius:3px;padding:6px 10px;margin-bottom:4px;display:flex;align-items:baseline;gap:10px}
.mode-name{font-size:14px;font-weight:800;letter-spacing:3px;color:var(--acc);text-transform:uppercase}
.mode-desc{font-size:7px;color:var(--t3);flex:1}

/* ── v13.1: Feature toggles ── */
.feat-toggles{display:flex;gap:3px;flex-wrap:wrap;align-items:center;width:100%;padding:2px 0}
.feat-chk{display:flex;align-items:center;gap:2px;font-size:6px;color:var(--t3);cursor:pointer;padding:1px 4px;border:1px solid var(--bd);border-radius:3px;transition:.12s;user-select:none}
.feat-chk:hover{border-color:var(--acc);color:var(--t2)}
.feat-chk input{accent-color:var(--acc);width:10px;height:10px}
.feat-chk input:checked+span,.feat-chk:has(input:checked){color:var(--acc);border-color:rgba(0,201,167,.3)}
.feat-label{font-size:6px;color:var(--t4);letter-spacing:1px;text-transform:uppercase;margin-right:4px}

/* ── v13.1: Terrain tools ── */
.terrain-tools{display:flex;gap:2px;flex-wrap:wrap;align-items:center;width:100%;padding:2px 0}
.terrain-btn{color:#8a7a60;border-color:rgba(138,122,96,.3)}
.terrain-btn.on{color:#c0a070;border-color:#8a7a60;background:rgba(138,122,96,.12)}

/* ── v13.1: Timeline controls ── */
.timeline-ctl{display:flex;gap:4px;align-items:center;width:100%;padding:2px 0}
.timeline-slider{flex:1;accent-color:var(--gold);height:4px}
.tl-info{font-size:6px;color:var(--t4);white-space:nowrap}

/* ── v13.1: Touch feedback ── */
@media (pointer:coarse){
  .b{padding:4px 10px;font-size:8px}
  .feat-chk{padding:3px 6px;font-size:7px}
  .feat-chk input{width:14px;height:14px}
}

/* ── v13.2: Responsive — mobile & tablet ── */
@media (max-width: 900px) {
  body{overflow:auto;height:auto}
  #app{height:auto;padding:4px 6px}
  .main-row{flex-direction:column;overflow:visible}
  .col-canvas{min-height:50vw}
  .col-panel{width:100%;min-width:0;max-height:none;overflow-y:visible}
  .hd{flex-wrap:wrap;gap:6px}
  .ttl{font-size:12px}
  .sub{font-size:5.5px}
  .ev{font-size:18px}
  .es{font-size:6.5px}
  .vit{grid-template-columns:1fr 1fr}
  .hgrid{grid-template-columns:1fr}
  .pgrid{grid-template-columns:1fr}
  .ar{flex-direction:column}
  .ap{flex:1 1 auto;min-width:0}
  .tabs{flex-wrap:wrap;gap:0}
  .tab{padding:4px 8px;font-size:6.5px}
  .mode-hdr{flex-direction:column;gap:2px}
  .mode-name{font-size:12px}
  .ctl{gap:2px}
  .cw{min-height:45vw}
  /* panel-hidden on mobile: restore full-viewport layout */
  body:has(.panel-hidden){height:100vh;overflow:hidden}
  #app:has(.panel-hidden){height:100vh}
  .panel-hidden{flex:1}
  .panel-hidden .col-canvas{flex:1;min-height:0}
}

@media (max-width: 480px) {
  #app{padding:2px 4px}
  .hd{gap:4px}
  .ttl{font-size:10px;letter-spacing:2px}
  .sub{display:none}
  .ev{font-size:14px}
  .dim-toggle{padding:2px 6px;font-size:7px}
  .col-canvas{min-height:60vw}
  .cw{min-height:55vw}
  .vit{grid-template-columns:1fr}
  .vi{padding:2px 4px}
  .vv{font-size:10px}
  .vl{font-size:5px}
  .tab{padding:3px 6px;font-size:6px;letter-spacing:1px}
  .tb{padding:4px}
  .e-live{flex-wrap:wrap;gap:6px;padding:4px 6px}
  .e-live-val{font-size:16px}
  .at{font-size:6px}
  .hcn{font-size:9px}
  .hcv{font-size:10px}
  .mode-name{font-size:10px;letter-spacing:2px}
  .mode-desc{font-size:6.5px}
  .b{padding:3px 6px;font-size:6.5px}
  .fo{font-size:4.5px}
}