/* Backrooms · Nivel 0 */
:root{
  color-scheme: dark;
  --bg:#050504;
  --ink:#ece4c4;
  --dim:#a39a7c;
  --amber:#e6c34a;
  --rec:#e2372c;
  --panel:rgba(10,9,6,.78);
  --line:rgba(236,228,196,.22);
  --osd:"VT323", "Courier New", monospace;
  --type:"Special Elite", "Courier New", monospace;
  --mono:"IBM Plex Mono", ui-monospace, monospace;
}
[hidden]{display:none!important}
html,body{height:100%;margin:0;background:var(--bg);color:var(--ink);overflow:hidden;font-family:var(--mono);-webkit-user-select:none;user-select:none}
canvas#gl{position:fixed;inset:0;width:100%;height:100%;display:block;background:#000}

/* ---------- On-screen display (camcorder) ---------- */
#osd{position:fixed;inset:0;pointer-events:none;font-family:var(--osd);color:#f4f1e6;text-shadow:0 0 4px rgba(255,255,255,.35),2px 0 0 rgba(255,0,60,.25),-2px 0 0 rgba(0,200,255,.2);letter-spacing:.04em}
#osd .c{position:absolute;display:flex;flex-direction:column;gap:2px;font-size:clamp(20px,2.6vw,34px);line-height:1}
#osd .tl{top:calc(18px + env(safe-area-inset-top,0px));left:24px}
#osd .tr{top:calc(18px + env(safe-area-inset-top,0px));right:24px;align-items:flex-end}
#osd .bl{bottom:calc(18px + env(safe-area-inset-bottom,0px));left:24px}
#osd .br{bottom:calc(18px + env(safe-area-inset-bottom,0px));right:24px;align-items:flex-end}
#rec b{color:var(--rec);font-weight:400}
#rec.blink b{visibility:hidden}
#timer{font-size:clamp(26px,3.4vw,46px)}
#compass{width:clamp(92px,9vw,120px);height:clamp(92px,9vw,120px);margin-top:10px}
#cLegend{font-size:.6em}
.small{font-size:.7em;opacity:.85}
#stam{position:absolute;left:50%;bottom:calc(26px + env(safe-area-inset-bottom,0px));width:140px;height:4px;margin-left:-70px;background:rgba(255,255,255,.12);opacity:0;transition:opacity .4s}
#stam i{display:block;height:100%;background:#f4f1e6;width:100%}
#cross{position:fixed;left:50%;top:50%;width:4px;height:4px;margin:-2px 0 0 -2px;border-radius:50%;background:rgba(255,255,255,.55);pointer-events:none}
#prompt{position:fixed;left:50%;top:58%;transform:translateX(-50%);font-family:var(--osd);font-size:clamp(20px,2.2vw,30px);color:#fff;text-shadow:0 0 6px #000;pointer-events:none;white-space:nowrap}
#prompt kbd{font-family:inherit;border:1px solid rgba(255,255,255,.7);padding:0 6px;margin-right:6px}
#toast{position:fixed;left:50%;top:22%;transform:translateX(-50%);font-family:var(--osd);font-size:clamp(22px,2.6vw,36px);color:#fff;text-align:center;text-shadow:0 0 8px #000;pointer-events:none;opacity:0;transition:opacity .6s;max-width:calc(100% - 32px)}
#toast.on{opacity:1}
#hint{position:fixed;left:50%;bottom:calc(28px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);font-family:var(--type);font-size:15px;color:rgba(40,36,30,.85);pointer-events:none;text-align:center;max-width:calc(100% - 32px);transition:opacity 1s}

/* ---------- Screens ---------- */
.screen{position:fixed;inset:0;display:flex;align-items:center;padding:24px max(16px,6vw);box-sizing:border-box;overflow:auto;background:linear-gradient(90deg,rgba(3,3,2,.82),rgba(3,3,2,.5) 50%,rgba(3,3,2,.1))}
.screen.center{background:rgba(0,0,0,.55)}
.screen.center{justify-content:center}
.deck{max-width:560px;width:100%;display:flex;flex-direction:column;gap:22px}
.brand{font-family:var(--osd);line-height:.82;letter-spacing:.02em}
.brand h1{margin:0;font-weight:400;white-space:nowrap;font-size:clamp(48px,8.4vw,116px);color:var(--ink);text-shadow:3px 0 0 rgba(226,55,44,.55),-3px 0 0 rgba(60,170,255,.35),0 0 18px rgba(255,240,190,.25)}
.brand p{margin:10px 0 0;font-family:var(--type);font-size:16px;color:var(--dim);line-height:1.45;max-width:46ch}
.menu{display:flex;flex-direction:column;align-items:flex-start;gap:4px}
.btn{appearance:none;background:none;border:0;color:var(--ink);font-family:var(--osd);font-size:clamp(28px,3.4vw,38px);padding:2px 10px 2px 0;cursor:pointer;letter-spacing:.04em;text-align:left;display:flex;gap:14px;align-items:baseline}
.btn span.g{display:inline-block;width:1.1em;color:var(--dim)}
.btn:hover,.btn:focus-visible{color:#fff;outline:none;text-shadow:0 0 10px rgba(255,236,170,.6)}
.btn:hover span.g,.btn:focus-visible span.g{color:var(--amber)}
.btn.danger:hover{color:#ffb0a8}
.btn.small{font-size:24px}
.btn:disabled{color:rgba(236,228,196,.26);cursor:not-allowed;text-shadow:none}
.btn:disabled span.g{color:rgba(236,228,196,.2)}
.field .row input[type=text]{flex:1;min-width:0}
.warn{color:#ffb0a8}
.dialog{max-width:440px;width:100%;box-sizing:border-box}
.dz{border-top:1px solid var(--line);margin-top:22px;padding-top:14px}
.menu.tight{gap:0;margin-top:14px}
.codein{text-transform:uppercase;letter-spacing:.35em;font-size:28px!important}
.publist{display:flex;flex-direction:column;gap:6px;max-height:180px;overflow:auto;font-size:13px;color:var(--dim)}
.publist .row{display:flex;gap:10px;align-items:center;justify-content:space-between;border:1px solid var(--line);padding:6px 10px}
.publist .row b{font-family:var(--osd);font-weight:400;font-size:22px;color:var(--ink)}
.lhead{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.badge{font-size:11px;letter-spacing:.14em;text-transform:uppercase;border:1px solid var(--line);padding:3px 8px;color:var(--dim)}
.codebox{display:flex;align-items:center;gap:14px;margin-top:10px;flex-wrap:wrap}
.codebox .lbl{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim)}
.codebox b{font-family:var(--osd);font-weight:400;font-size:52px;letter-spacing:.18em;color:#fff;line-height:1}
.slots{display:flex;flex-direction:column;gap:6px;margin-top:16px}
.slot{display:flex;align-items:center;gap:12px;border:1px solid var(--line);padding:8px 12px;min-height:26px}
.slot i{width:14px;height:14px;flex:none;border-radius:2px}
.slot .nm{font-family:var(--osd);font-size:24px;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.slot .tg{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim)}
.slot .tg.ok{color:#9be15d}
.slot.empty{color:rgba(236,228,196,.3);font-size:13px}
#team{position:fixed;right:24px;top:calc(18px + env(safe-area-inset-top,0px));display:flex;flex-direction:column;align-items:flex-end;gap:2px;font-family:var(--osd);font-size:clamp(16px,1.6vw,22px);color:#f4f1e6;text-shadow:0 0 4px rgba(0,0,0,.8);pointer-events:none}
#team.low{top:calc(250px + env(safe-area-inset-top,0px))}
#team span.d{display:inline-block;width:10px;height:10px;margin-right:6px;border-radius:2px}
#death .sub{font-family:var(--osd);font-size:30px;color:#ffb0a8;letter-spacing:.06em;margin:0}
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 24px;border-top:1px solid var(--line);padding-top:14px;font-size:13px;color:var(--dim)}
.stats div{display:flex;flex-direction:column;gap:2px}
.stats b{font-family:var(--osd);font-weight:400;font-size:28px;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:.03em}
.keys{font-size:12px;color:var(--dim);line-height:1.8}
.keys kbd{font-family:var(--mono);font-size:11px;border:1px solid var(--line);border-radius:3px;padding:1px 5px;color:var(--ink)}
.panel{background:var(--panel);border:1px solid var(--line);padding:22px;backdrop-filter:blur(3px)}
.panel h2{font-family:var(--osd);font-weight:400;font-size:40px;margin:0 0 6px;letter-spacing:.03em}
.field{display:flex;flex-direction:column;gap:6px;margin-top:14px}
.field label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim)}
.field .row{display:flex;gap:12px;align-items:center}
.field output{font-family:var(--osd);font-size:22px;min-width:3.5ch;text-align:right;font-variant-numeric:tabular-nums}
input[type=text],select{background:#0d0c09;color:var(--ink);border:1px solid var(--line);font-family:var(--osd);font-size:24px;padding:4px 10px;width:100%;box-sizing:border-box}
input[type=text]:focus,select:focus{outline:1px solid var(--amber)}
input[type=range]{flex:1;accent-color:var(--amber)}
.note{font-size:12px;color:var(--dim);line-height:1.5;margin:6px 0 0}
.bar{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px}
#death h2{font-family:var(--osd);font-weight:400;font-size:clamp(64px,12vw,130px);margin:0;color:#fff;text-shadow:4px 0 0 rgba(226,55,44,.7),-4px 0 0 rgba(60,170,255,.4)}
#death p{font-family:var(--type);color:var(--dim);margin:8px 0}
.notebook{background:#e8ddbd;color:#2b2518;font-family:var(--type);padding:28px 30px;max-width:520px;width:100%;box-shadow:0 20px 60px rgba(0,0,0,.6);transform:rotate(-.6deg);background-image:repeating-linear-gradient(transparent 0 27px,rgba(70,90,150,.22) 27px 28px);line-height:28px}
.notebook h3{margin:0 0 6px;font-weight:400;font-size:26px}
.notebook .line{display:flex;justify-content:space-between;gap:16px;font-variant-numeric:tabular-nums}
.notebook .btn{color:#2b2518;font-size:28px}
.notebook .btn:hover{color:#000;text-shadow:none}
#loading{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--osd);font-size:34px;color:var(--ink);background:#000}
#fade{position:fixed;inset:0;background:#000;opacity:0;pointer-events:none;transition:opacity .25s}
@media (max-width:640px){ .stats{grid-template-columns:1fr 1fr} #osd .c{font-size:20px} .keys{display:none} }
@media (prefers-reduced-motion:reduce){ #toast{transition:none} }

/* phase 5: expedition summary */
.notebook .sep{height:14px;border-bottom:1px dashed rgba(43,37,24,.45);margin-bottom:14px}
.notebook .line.total{font-size:1.35em;font-weight:700;margin-top:10px;border-top:2px solid #2b2518;padding-top:6px}
.notebook .line.sub{font-size:.85em;opacity:.8}
.notebook.summary{transform:rotate(.5deg)}
.notebook .hd{margin-top:10px;font-size:.9em;letter-spacing:.08em;text-transform:uppercase;opacity:.7}
#inv{color:#ffd9a0}
.notebook{max-height:calc(100vh - 24px);overflow-y:auto}
@media (max-height:760px){
  .notebook{line-height:22px;padding:16px 26px;background-image:repeating-linear-gradient(transparent 0 21px,rgba(70,90,150,.22) 21px 22px);font-size:14px}
  .notebook h3{font-size:22px;margin-bottom:2px}
  .notebook .btn{font-size:22px}
  .notebook .sep{height:8px;margin-bottom:8px}
}
/* 1.06: game options, archive, stability */
.deck.wide{max-width:880px}
.gopts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 22px}
.gopt{display:flex;align-items:center;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line);padding:3px 0;min-height:34px}
.gopt label{font-size:12px;letter-spacing:.06em;color:var(--ink);cursor:help;flex:1;min-width:0}
.gopt select{width:auto;max-width:64%;font-size:19px;padding:2px 6px}
.gopt b{font-family:var(--osd);font-weight:400;font-size:20px;color:var(--dim);text-align:right}
.gopt b.chg{color:var(--amber)}
.notebook .gopts{gap:0 22px}
.notebook .gopt{border-bottom:0;min-height:0;padding:0}
.notebook .gopt label{color:#2b2518;font-size:13px;letter-spacing:0}
.notebook .gopt b{font-family:var(--type);color:#2b2518;font-size:13px}
.notebook .gopt b.chg{color:#8a2a18}
@media (max-width:640px){ .gopts{grid-template-columns:1fr} }
.stats b.bad{color:#ffb0a8}
.warnosd{color:#ffb0a8}
.notebook.archive{max-width:760px;width:100%}
.ahead{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.ahead small{opacity:.7}
.tabs{display:flex;flex-wrap:wrap;gap:4px 14px;margin:4px 0 10px;border-bottom:1px dashed rgba(43,37,24,.45)}
.tabs .tab{appearance:none;background:none;border:0;font-family:var(--type);font-size:15px;color:#6a5e44;cursor:pointer;padding:0 0 2px}
.tabs .tab.on{color:#2b2518;text-decoration:underline;text-underline-offset:4px}
.tabs .tab i{font-style:normal;opacity:.7;font-size:.85em}
#arBody{max-height:calc(100vh - 230px);overflow-y:auto;padding-right:6px}
.aitem{display:grid;grid-template-columns:auto 1fr;gap:0 14px;padding:4px 0;border-bottom:1px dotted rgba(43,37,24,.3)}
.aitem .no{grid-row:span 2;font-size:.8em;opacity:.7;min-width:92px}
.aitem b{font-weight:700}
.aitem small{opacity:.75;font-size:.8em;line-height:1.4}
.aitem .st{grid-column:2;display:flex;flex-wrap:wrap;gap:4px 16px;font-size:.78em}
.aitem .st b.y{color:#2c6a1e}.aitem .st b.n{color:#8a2a18}
.aitem q{grid-column:2;font-size:.85em;font-style:italic;opacity:.85;line-height:1.35}
.notebook .oks{display:flex;flex-wrap:wrap;gap:0 14px;font-size:.72em;color:#2c6a1e;letter-spacing:.04em;margin-bottom:4px}
/* 1.07 */
.keybtn{appearance:none;background:#0d0c09;color:var(--ink);border:1px solid var(--line);font-family:var(--osd);font-size:19px;min-width:92px;padding:2px 10px;cursor:pointer}
.keybtn:hover,.keybtn:focus-visible{border-color:var(--amber);outline:none}
.keybtn.cap{color:var(--amber);border-color:var(--amber)}
.chk{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--dim);flex:1;cursor:pointer;text-transform:none;letter-spacing:0}
.chk input{accent-color:var(--amber);width:16px;height:16px}
#downBox{position:fixed;left:50%;top:34%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:6px;font-family:var(--osd);color:#ffb0a8;text-shadow:0 0 8px rgba(0,0,0,.9);pointer-events:none;text-align:center}
#downBox b{font-weight:400;font-size:clamp(40px,6vw,72px);letter-spacing:.06em;animation:blinkD 1.1s steps(2) infinite}
#downBox span{font-size:clamp(18px,2vw,26px);color:#f4f1e6}
@keyframes blinkD{50%{opacity:.35}}
button:focus-visible,select:focus-visible,input:focus-visible{outline:1px solid var(--amber)}
/* 1.08 */
.btn span.g{flex:none;text-align:center;white-space:nowrap}
.btn span.g.g2{letter-spacing:-.12em;font-size:.62em;text-indent:-.12em;width:1.77em}
#death .btn{white-space:nowrap}
#stimOsd{min-height:1em}
#stimOsd .stims{color:#ff9a4a;letter-spacing:.12em}
#stimOsd .stims i{font-style:normal;color:rgba(244,241,230,.25)}
#stimOsd b{font-weight:400;color:#f4f1e6}
#stimOsd b.on{color:#ff9a4a}
#bigMsg{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%) scale(.96);text-align:center;font-family:var(--osd);color:#ffd9a0;text-shadow:0 0 10px rgba(0,0,0,.9),0 0 22px rgba(255,150,60,.35);font-size:clamp(34px,5vw,64px);letter-spacing:.06em;opacity:0;transition:opacity .25s,transform .25s;pointer-events:none;line-height:1.05}
#bigMsg.on{opacity:1;transform:translate(-50%,-50%) scale(1)}
#bigMsg small{display:block;font-size:.42em;color:#f4f1e6;letter-spacing:.03em;margin-top:8px}
/* 1.09: title */
.brand .dev{font-family:var(--osd);font-size:clamp(22px,2.6vw,34px);letter-spacing:.42em;color:var(--dim);margin:0 0 6px .12em;text-shadow:1px 0 0 rgba(226,55,44,.45),-1px 0 0 rgba(60,170,255,.3)}
.ver{position:absolute;top:calc(14px + env(safe-area-inset-top,0px));right:18px;font-family:var(--osd);font-size:20px;letter-spacing:.08em;color:rgba(236,228,196,.72);text-shadow:0 0 6px rgba(0,0,0,.8);pointer-events:none}
.brand .modetag{font-family:var(--osd);font-size:clamp(20px,2.4vw,30px);letter-spacing:.1em;color:#ffb347;margin-top:6px;text-transform:uppercase}
/* 1.17: horizontal options */
.deck.xwide{max-width:1280px}
.ocols{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(0,1.25fr);gap:0 32px;align-items:start}
.ocol{min-width:0}
.ocol .gopts{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 16px}
.ocol .keybtn{min-width:64px}
.ocol .row .chk{flex:1}
.ofoot{display:flex;justify-content:space-between;align-items:flex-end;gap:10px 28px;flex-wrap:wrap;margin-top:10px}
.ofoot .dz{border-top:0;margin-top:0;padding-top:0;max-width:460px;text-align:right}
.ofoot .dz .btn{margin-left:auto}
@media (max-width:1050px){ .ocols{grid-template-columns:minmax(0,1fr) minmax(0,1fr)} .ocols .ocol:last-child{grid-column:1 / -1} }
@media (max-width:640px){ .ocols{grid-template-columns:1fr} .ofoot .dz{text-align:left} .ofoot .dz .btn{margin-left:0} }
.ocol select{font-size:19px;padding:3px 8px}
.ocol .row{flex-wrap:wrap}
.ocol .row .chk{flex:1 1 100%}
.ocol #oKeysReset{font-size:20px}
/* 1.18: horizontal new game / co-op / lobby panels */
.hcols{display:grid;grid-template-columns:minmax(280px,.85fr) minmax(0,2.15fr);gap:0 34px;align-items:start}
.hcols.even{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.hleft,.hright{min-width:0}
.hleft .slots{margin-top:12px}
.hleft .slot{padding:6px 10px;min-height:22px}
.hleft .slot .nm{font-size:21px}
.hleft .codebox{margin-top:4px}
.hleft .codebox b{font-size:44px}
.gopts.g3{grid-template-columns:repeat(3,minmax(0,1fr));gap:2px 20px}
.gopts.g3 .gopt{min-height:30px}
.gopts.g3 .gopt label{font-size:11px;letter-spacing:.04em}
.gopts.g3 .gopt select{font-size:16px;max-width:60%;padding:1px 4px}
.gopts.g3 .gopt b{font-size:17px}
.hright .publist{max-height:340px}
#nDef{margin-top:4px}
@media (max-width:1180px){ .gopts.g3{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (max-width:860px){ .hcols,.hcols.even{grid-template-columns:1fr} }
@media (max-width:560px){ .gopts.g3{grid-template-columns:1fr} }
.gopts.g3 .gopt{flex-direction:column;align-items:stretch;justify-content:flex-start;gap:3px;padding:4px 0 6px}
.gopts.g3 .gopt label{flex:none}
.gopts.g3 .gopt select{max-width:100%;width:100%;font-size:17px}
.gopts.g3 .gopt b{text-align:left}
#nRand span:not(.g){display:none}
.hleft .codebox{gap:10px}
.hleft .codebox b{font-size:clamp(30px,2.6vw,44px)}
/* 1.18: notebooks laid out horizontally on wide screens */
@media (min-width:900px){
  #book .notebook, #summary .notebook{max-width:980px}
  #bookBody, #sumBody{column-count:2;column-gap:44px}
  #bookBody .line, #sumBody .line, #arBody .line, #arBody .aitem{break-inside:avoid}
  #bookBody .hd{break-before:column;margin-top:0}
  #sumBody .oks{column-span:all;margin-bottom:8px}
  #sumBody .sep{break-before:column;height:0;border:0;margin:0}
  #sumBody .line.total, #sumBody .line.sub{break-inside:avoid}
  .notebook.archive{max-width:1180px}
  #arBody{column-count:2;column-gap:44px}
  #arBody .hd, #arBody .gopts, #arBody > .note{column-span:all}
  #arBody .gopts.ro{grid-template-columns:repeat(3,minmax(0,1fr))}
}
#stimOsd .keys{color:#e8c26a;letter-spacing:.06em}
/* ---- 1.21: game options with switches ---- */
.gopts .gopt.wide{grid-column:1/-1}
.gopt .flags{display:flex;flex-wrap:wrap;gap:4px 16px}
.gopt .flags .chk{flex:none;font-size:13px;color:var(--ink);cursor:pointer}
.gopts.g3 .gopt.wide{flex-direction:row;align-items:center;flex-wrap:wrap;gap:4px 14px}
.gopts.g3 .gopt.wide > label{flex:0 0 190px}
.gopts.g3 .gopt.wide .flags{flex:1}
@media (max-width:560px){ .gopts.g3 .gopt.wide > label{flex:1 1 100%} }
#stimOsd .water{color:#e8dcb8;letter-spacing:.06em}
/* ---- 1.21: inventory (I) ---- */
#invPanel{position:fixed;inset:max(14px,4vh) max(14px,4vw);z-index:6;display:flex;flex-direction:column;gap:10px;font-family:var(--osd);color:#ece4c4;pointer-events:none;
  --ip:rgba(46,42,22,.78);--ipl:rgba(214,196,120,.28);--ipd:rgba(20,18,10,.72)}
#invPanel .ihead{background:var(--ip);border:1px solid var(--ipl);padding:6px 16px;font-size:clamp(26px,3vw,40px);letter-spacing:.06em;text-align:center}
#invPanel .icols{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(10px,3vw,48px)}
#invPanel .icol{display:flex;flex-direction:column;gap:10px;min-height:0}
#invPanel .isec{display:flex;background:var(--ip);border:1px solid var(--ipl);min-height:0}
#invPanel .isec.tall{flex:1}
#invPanel .isec h4{writing-mode:vertical-rl;transform:rotate(180deg);margin:0;padding:12px 8px;font-weight:400;font-size:clamp(17px,1.6vw,22px);letter-spacing:.14em;border-left:1px solid var(--ipl);text-align:center}
#invPanel .ibody{flex:1;padding:12px 14px;display:flex;flex-direction:column;gap:6px;min-width:0;overflow:hidden}
#invPanel .irow{display:flex;justify-content:space-between;gap:12px;background:var(--ipd);border:1px solid rgba(214,196,120,.14);padding:4px 10px;font-size:clamp(18px,1.8vw,25px)}
#invPanel .irow b{font-weight:400;color:#f4eed6;white-space:nowrap}
#invPanel .ibar{position:relative;height:clamp(28px,3.4vh,38px);background:var(--ipd);border:1px solid rgba(214,196,120,.16);display:flex;align-items:center;justify-content:space-between;padding:0 10px;font-size:clamp(17px,1.7vw,24px);overflow:hidden}
#invPanel .ibar .fill{position:absolute;left:0;top:0;bottom:0;background:repeating-linear-gradient(90deg,rgba(236,228,196,.3) 0 3px,rgba(236,228,196,.18) 3px 6px)}
#invPanel .ibar.san .fill{background:repeating-linear-gradient(90deg,rgba(150,160,200,.42) 0 3px,rgba(150,160,200,.26) 3px 6px)}
#invPanel .ibar.low .fill{background:repeating-linear-gradient(90deg,rgba(200,150,60,.5) 0 3px,rgba(200,150,60,.3) 3px 6px)}
#invPanel .ibar.crit .fill{background:repeating-linear-gradient(90deg,rgba(170,40,30,.6) 0 3px,rgba(170,40,30,.38) 3px 6px)}
#invPanel .ibar.stab .fill{background:repeating-linear-gradient(90deg,rgba(230,195,74,.42) 0 3px,rgba(230,195,74,.26) 3px 6px)}
#invPanel .ibar span,#invPanel .ibar em{position:relative;font-style:normal}
#invPanel .isub{font-size:clamp(18px,1.7vw,24px);letter-spacing:.08em;margin-top:4px}
#invPanel .isub b{font-weight:400;color:#a39a7c}
#invPanel .igrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:2px;background:rgba(0,0,0,.35);border:1px solid rgba(214,196,120,.14);padding:2px}
#invPanel .igrid.pk{grid-template-columns:repeat(5,minmax(0,1fr))}
#invPanel .islot{position:relative;aspect-ratio:3/2;background:rgba(12,11,6,.78);background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.025) 0 1px,transparent 1px 3px);display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:0}
#invPanel .islot img{width:78%;height:auto;image-rendering:auto;filter:saturate(.85)}
#invPanel .islot .nm{position:absolute;top:2px;left:0;right:0;text-align:center;font-size:clamp(11px,.95vw,14px);line-height:1;letter-spacing:.03em;text-transform:uppercase;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;padding:0 3px;color:#e8e0c2;z-index:1}
#invPanel .islot img{margin-top:10%}
#invPanel .islot .ct{position:absolute;right:4px;bottom:2px;font-weight:400;font-size:clamp(14px,1.3vw,19px);color:#f4eed6}
#invPanel .islot.empty{opacity:.45}
#invPanel .islot.empty img{display:none}
#invPanel .islot.cat-art{box-shadow:inset 0 0 0 1px rgba(230,195,74,.45)}
#invPanel .igrid.hres{grid-template-columns:repeat(4,minmax(0,1fr));border-color:rgba(120,190,110,.3)}
#invPanel .islot.cat-hobj{box-shadow:inset 0 0 0 1px rgba(130,210,120,.55)}
#invPanel .islot.cat-rel{box-shadow:inset 0 0 0 1px rgba(180,110,255,.6)}
#invPanel .ifoot{align-self:flex-end;font-size:clamp(16px,1.5vw,21px);color:#d8cfaf;background:var(--ip);border:1px solid var(--ipl);padding:4px 12px}
#invPanel .ifoot kbd{font-family:var(--osd);border:1px solid var(--ipl);padding:0 6px;margin-right:4px}
@media (max-width:760px){ #invPanel .icols{grid-template-columns:1fr;overflow:auto} #invPanel .igrid.pk{grid-template-columns:repeat(3,minmax(0,1fr))} }

/* ---- 1.25: bars next to REC, tips on the menu ---- */
#osd .tlrow{display:flex;align-items:flex-start;gap:clamp(14px,2vw,30px)}
#osd .tlcol{display:flex;flex-direction:column;gap:2px}
#hbars{display:flex;flex-direction:column;gap:5px;margin-top:4px;font-size:clamp(13px,1.25vw,17px);letter-spacing:.06em}
#hbars .hb{display:flex;align-items:center;gap:8px}
#hbars .hb span{width:clamp(78px,8vw,118px);text-align:right;opacity:.9}
#hbars .hb i{display:block;width:clamp(110px,12vw,190px);height:clamp(7px,.75vw,10px);border:1px solid rgba(244,241,230,.75);padding:1px;box-shadow:0 0 4px rgba(255,255,255,.25)}
#hbars .hb i b{display:block;height:100%;width:100%;background:#f4f1e6;transition:width .25s}
#hbars .hb.low b{background:#ffb0a8}
#hbars .hb.on b{background:#ff9a4a}
#hbars .hb.low span{color:#ffb0a8}
@media (max-width:640px){ #hbars .hb span{display:none} }
.tips{position:absolute;top:calc(48px + env(safe-area-inset-top,0px));right:26px;width:min(470px,36vw);font-family:var(--type);color:#ece4c4;pointer-events:none;background:rgba(10,9,6,.78);border:1px solid var(--line);padding:14px 18px 16px;box-shadow:0 10px 30px rgba(0,0,0,.45);backdrop-filter:blur(3px)}
.tips .th{font-family:var(--osd);font-size:21px;letter-spacing:.14em;color:rgba(236,228,196,.55);border-bottom:1px solid rgba(236,228,196,.22);padding-bottom:3px;margin-bottom:6px}
.tips p{margin:0;font-size:17px;line-height:1.5;min-height:6em;transition:opacity .6s}
.tips p.fade{opacity:0}
@media (max-width:900px){ .tips{display:none} }

/* ---- 1.25: elevator panel ---- */
.liftbox{background:linear-gradient(#5c6062,#45494b);border:2px solid #2c2e2f;box-shadow:0 20px 60px rgba(0,0,0,.7),inset 0 0 0 4px rgba(255,255,255,.06);padding:22px 26px;width:min(420px,calc(100vw - 32px));font-family:var(--osd);color:#f0ede0}
.liftbox .lhd{font-size:34px;letter-spacing:.14em;text-align:center}
.liftbox .lsub{font-family:var(--type);font-size:14px;color:#d8d4c4;text-align:center;margin:4px 0 14px}
#liftBtns{display:flex;flex-direction:column;gap:8px}
.lbtn{appearance:none;display:flex;align-items:center;gap:16px;background:#3a3d3e;border:1px solid #2a2c2d;border-radius:4px;padding:6px 12px;color:#8a8c88;font-family:var(--osd);font-size:22px;cursor:default;text-align:left}
.lbtn b{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;background:#77797a;color:#3a3d3e;font-weight:400;font-size:24px;flex:none}
.lbtn span{font-size:19px;letter-spacing:.04em}
.lbtn.on{color:#f4f1e6;cursor:pointer}
.lbtn.on b{background:radial-gradient(#fff6d0,#ffd27a);color:#3a2a08;box-shadow:0 0 14px rgba(255,210,120,.6)}
.lbtn.on:hover,.lbtn.on:focus{background:#4a4e50;outline:1px solid #ffd27a}
.liftbox .bar{margin-top:16px;justify-content:space-between}
/* 1.26: screens taller than the window scroll instead of being cut off */
.screen{align-items:safe center}
.screen.center{justify-content:safe center}

/* ---- 1.27: menu layout: flat overlay, notes without a box, stats bottom right, help screen ---- */
#menu{background:rgba(3,3,2,.82)}
.tips{background:none;border:0;box-shadow:none;backdrop-filter:none;padding:0;top:calc(48px + env(safe-area-inset-top,0px));width:min(470px,34vw)}
#menu .stats{position:absolute;right:max(26px,4vw);bottom:calc(24px + env(safe-area-inset-bottom,0px));width:min(460px,38vw);border-top:1px solid var(--line)}
@media (max-width:900px){ #menu .stats{position:static;width:auto;margin-top:18px} #menu{flex-direction:column;justify-content:center} }
.helpbox{width:min(820px,calc(100vw - 32px));max-height:calc(100vh - 48px);overflow:auto}
.helpbox h4{font-family:var(--osd);font-weight:400;font-size:22px;letter-spacing:.08em;color:var(--amber);margin:16px 0 6px}
.helpbox .keys{font-size:14px;display:block}
.helpbox .keys kbd{font-size:13px}
.helpbox ul{margin:0;padding-left:20px;font-family:var(--type);font-size:15px;line-height:1.55;color:var(--ink)}
.helpbox li{margin-bottom:6px}
.helpbox li b{color:var(--amber);font-weight:400}
.helpbox .bar{margin-top:18px}

/* 1.36: the detector (lights up near objects of the Backrooms) and the compass inside the changing house */
#detector{display:flex;align-items:center;gap:10px;margin-bottom:6px;--lv:0}
#detector[hidden]{display:none}
#detector i{width:16px;height:16px;border-radius:50%;border:2px solid rgba(244,241,230,.7);background:rgba(255,80,40,calc(.12 + var(--lv) * .88));box-shadow:0 0 calc(var(--lv) * 22px) rgba(255,90,40,calc(var(--lv) * .9))}
#detector.hot i{animation:detblink .35s steps(2) infinite}
@keyframes detblink{50%{background:rgba(255,80,40,.25);box-shadow:none}}
#osd.house *{visibility:hidden}
#osd.house #compass,#osd.house #cLegendBox,#osd.house #cLegendBox *{visibility:visible}

/* 1.41: loading screen when a game starts */
#gload{position:fixed;inset:0;width:100vw;height:100vh;z-index:2147483000;display:flex;align-items:center;justify-content:center;background:#000;pointer-events:all;font-family:var(--osd);color:var(--ink);cursor:wait}
#gload[hidden]{display:none}
#gload .gl-in{display:flex;flex-direction:column;align-items:center;gap:18px;width:min(560px,80vw)}
#gloadLogo{width:100%;height:auto;mix-blend-mode:screen;filter:drop-shadow(0 0 18px rgba(255,230,190,.12))}
#gloadTxt{font-size:clamp(16px,1.8vw,22px);letter-spacing:.16em;color:rgba(244,241,230,.75)}
#gload .gl-bar{width:100%;height:12px;border:2px solid rgba(244,241,230,.8);padding:2px;box-sizing:border-box}
#gload .gl-bar b{display:block;height:100%;width:0;background:#f4f1e6;transition:width .12s linear}

/* 1.44: the detector's proximity radar (top left, under the level) */
#radarBox{display:flex;flex-direction:column;align-items:center;gap:2px;margin-top:10px;width:clamp(78px,7.5vw,104px)}
#radarBox[hidden]{display:none}
#radar{width:100%;height:auto}
#radarBox .small{font-size:.55em;letter-spacing:.12em;opacity:.85}

/* 1.45: detector battery */
#detBat{display:flex;align-items:center;gap:5px;width:100%}
#detBat i{flex:1;display:block;height:clamp(6px,.6vw,9px);border:1px solid rgba(244,241,230,.75);padding:1px}
#detBat i b{display:block;height:100%;width:100%;background:#9dffb8;transition:width .25s}
#detBat.low i b{background:#ff6a4d}
#detBat span{font-size:.5em;min-width:1.4em}
#radarBox.off #radar{opacity:.35}
/* 1.53: game options inside the Options screen */
#options .ogame{margin-top:14px;border-top:1px solid var(--line);padding-top:10px}
#options .ogame > label{font-size:13px;letter-spacing:.12em;color:var(--ink)}
#options .onote{font-size:13px;color:var(--dim);margin-top:6px}
#options .panel{max-height:95vh;overflow-y:auto}

/* 1.55: tabbed options */
#options .otabs{display:flex;flex-wrap:wrap;gap:4px;border-bottom:1px solid var(--line);margin:4px 0 14px}
#options .otab{font:inherit;font-family:var(--osd);font-size:clamp(15px,1.4vw,19px);letter-spacing:.1em;text-transform:uppercase;background:transparent;color:var(--dim);border:1px solid transparent;border-bottom:none;padding:6px 14px 5px;cursor:pointer}
#options .otab:hover{color:var(--ink)}
#options .otab.on{color:var(--ink);border-color:var(--line);background:rgba(255,255,255,.04)}
#options .opane{display:none;min-height:320px}
#options .opane.on{display:block}
#options .ocols.c2{grid-template-columns:repeat(2,minmax(0,1fr))}
#options .opane .ogame{margin-top:0;border-top:none;padding-top:0}
#options .oauto{font-size:12px;color:var(--dim);margin:10px 0 0}
@media (max-width:760px){ #options .ocols.c2{grid-template-columns:1fr} }
@media (max-width:1050px){ #options .ocols.c2 .ocol:last-child{grid-column:auto} }
#options .opane .ogame > label{display:none}
#fpsOsd{margin-left:10px;opacity:.8}
#lockHint{position:fixed;left:50%;top:58%;transform:translateX(-50%);z-index:30;font-family:var(--osd);font-size:clamp(15px,1.5vw,20px);letter-spacing:.1em;color:#f4f1e6;background:rgba(0,0,0,.55);padding:6px 14px;pointer-events:none}
#lockHint[hidden]{display:none}