:root{--ink:#e6e4da;--muted:#9a9884;--accent:#e0bc58;--accent-dim:#8a7030;--danger:#d8483a;--safe:#58e094;--deep:#050605;--slate:rgba(12,13,10,.95);--slate-ink:#e6e4da;--line:rgba(224,188,88,.24);--paper:#e9e6da;--paper-ink:#1d211e;--display:"Noto Serif KR","AppleMyungjo","Batang","Georgia","Times New Roman",serif;--body:ui-sans-serif,system-ui,-apple-system,"Segoe UI","Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR",sans-serif;--mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;color-scheme:dark;font-family:var(--body);color:var(--ink);background:var(--deep)}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--deep);overflow:hidden}
button,select,input{font:inherit;color:inherit}
button{cursor:pointer}
button:focus-visible,select:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
#app{position:relative;width:100vw;height:100dvh;min-height:360px;overflow:hidden;isolation:isolate;background:radial-gradient(120% 90% at 60% 40%,#12140e 0%,#050605 65%)}
#viewport{position:absolute;inset:0;z-index:0}
#viewport canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;outline:none}
#grain{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.05;background:repeating-linear-gradient(0deg,transparent 0 2px,#000 3px)}
/* letterbox while a cinematic plays */
#cinebars{position:absolute;inset:0;z-index:2;pointer-events:none;opacity:0;transition:opacity .8s;background:linear-gradient(#000 0 9%,transparent 9% 91%,#000 91%)}
.cinema #cinebars{opacity:1}
.cinema #hud .objective,.cinema #clockBadge,.cinema #bottomBar,.cinema #objectList,.cinema #hoverLabel{opacity:0;pointer-events:none}
.textmode.cinema #pauseBtn{opacity:.35;pointer-events:none}
/* top bar */
#topbar{position:absolute;top:0;left:0;right:0;z-index:6;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:calc(10px + env(safe-area-inset-top,0px)) 16px 10px;pointer-events:none}
#topbar>*{pointer-events:auto}
.brand{display:flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.04em;color:var(--muted)}
.brand span:nth-child(2){color:var(--ink);font-weight:700}
.brand b{font-weight:400;opacity:.5}
.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--danger);box-shadow:0 0 10px var(--danger)}
.series{font-size:11px;letter-spacing:.18em}
.top-actions{display:flex;gap:6px;align-items:center}
.icon-button{min-width:38px;height:38px;border:1px solid var(--line);background:rgba(8,12,10,.72);border-radius:8px;display:inline-flex;align-items:center;justify-content:center;font-size:17px;backdrop-filter:blur(6px)}
.icon-button:hover{border-color:var(--accent)}
#lang{height:38px;border:1px solid var(--line);background:rgba(8,12,10,.72);border-radius:8px;padding:0 8px}
/* title */
#titleScreen{position:absolute;inset:0;z-index:4;display:flex;flex-direction:column;justify-content:center;padding:84px max(16px,6vw) 40px;background:linear-gradient(90deg,rgba(5,7,6,.96) 0%,rgba(5,7,6,.84) 36%,rgba(5,7,6,.2) 66%,rgba(5,7,6,0) 100%);overflow:auto}
.title-card{max-width:560px;display:flex;flex-direction:column;gap:10px}
/* the red lamp over the door */
.tube{width:22px;height:22px;border-radius:50%;background:#ff3a28;box-shadow:0 0 14px #ff3a28,0 0 46px rgba(255,58,40,.6);animation:tube 1.6s ease-in-out infinite}
@keyframes tube{0%,100%{opacity:1}50%{opacity:.35}}
.eyebrow{margin:0;font-size:12px;letter-spacing:.2em;color:var(--accent)}
#gameTitle{margin:0;font-family:var(--display);font-weight:900;font-size:clamp(50px,9vw,104px);line-height:1;letter-spacing:.06em;color:#eef4ee;text-shadow:0 0 2px #fff,0 0 22px rgba(224,188,88,.3),3px 0 0 rgba(216,72,58,.25);text-wrap:balance}
.subtitle{margin:0;font-family:var(--display);font-size:clamp(17px,2.4vw,24px);color:#b8c8c0}
.tagline{margin:6px 0 0;font-size:17px;color:#f2e2c0;font-family:var(--display);font-style:italic}
.intro{margin:0;font-size:14.5px;line-height:1.75;color:#b8c4be;max-width:62ch;white-space:pre-line}
.meta{margin:0;font-size:12px;letter-spacing:.06em;color:var(--muted)}
.start-controls{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.primary{min-height:50px;padding:0 26px;border:1px solid var(--accent);border-radius:6px;background:linear-gradient(#5a4a1e,#2a220c);color:#fff8e4;font-weight:800;letter-spacing:.04em;box-shadow:0 0 0 3px rgba(0,0,0,.35),0 8px 24px rgba(224,188,88,.16)}
.primary:hover{filter:brightness(1.15)}
.secondary{min-height:44px;padding:0 18px;border:1px solid var(--line);border-radius:6px;background:rgba(10,16,13,.85)}
.title-links{display:flex;gap:16px}
.text-button{background:none;border:none;padding:4px 0;color:var(--muted);text-decoration:underline;text-underline-offset:4px;font-size:13px}
.warning{margin:6px 0 0;padding:10px 12px;border-left:3px solid var(--danger);background:rgba(207,74,62,.1);font-size:12.5px;line-height:1.6;color:#ccd4ce;max-width:62ch}
.build-label{position:absolute;right:16px;bottom:calc(12px + env(safe-area-inset-bottom,0px));margin:0;font-size:11px;letter-spacing:.08em;color:rgba(138,154,146,.7)}
/* HUD */
#hud{position:absolute;inset:0;z-index:3;pointer-events:none}
#hud>*{pointer-events:auto;transition:opacity .6s}
.objective{position:absolute;left:16px;top:calc(60px + env(safe-area-inset-top,0px));max-width:min(420px,70vw);padding:10px 14px;background:linear-gradient(90deg,rgba(6,9,8,.86),rgba(6,9,8,.3));border-left:3px solid var(--accent);border-radius:0 6px 6px 0}
.objective .label{font-size:11px;letter-spacing:.2em;color:var(--accent)}
#objectiveText{margin:3px 0 0;font-size:16px;font-weight:700;line-height:1.35}
#roomName{margin:4px 0 0;font-size:12px;color:var(--muted)}
/* time since you woke, and the air */
#clockBadge{position:absolute;right:16px;top:calc(60px + env(safe-area-inset-top,0px));display:flex;flex-direction:column;align-items:flex-end;padding:8px 14px;border-radius:6px;border:1px solid var(--line);background:rgba(6,9,8,.78);pointer-events:none;font-variant-numeric:tabular-nums}
#clockLabel{font-size:11px;letter-spacing:.22em;color:var(--muted)}
#clockTime{font-family:var(--mono);font-size:20px;letter-spacing:.06em;color:#9cf0b8;text-shadow:0 0 10px rgba(88,224,148,.45)}
#co2Line{font-family:var(--mono);font-size:12px;color:var(--muted)}
#co2Line.warn{color:#ff8a78}
#hoverLabel{position:absolute;left:50%;bottom:calc(92px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);padding:5px 12px;border-radius:999px;background:rgba(6,9,8,.84);border:1px solid var(--line);font-size:13px;opacity:0;transition:opacity .15s;pointer-events:none;white-space:nowrap}
#hoverLabel.show{opacity:1}
#caption{position:absolute;left:50%;bottom:calc(126px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);width:min(640px,calc(100% - 32px));text-align:center;font-family:var(--display);font-size:17px;line-height:1.55;color:#eef2ee;text-shadow:0 1px 8px #000,0 0 2px #000;pointer-events:none}
.cinema #caption{bottom:max(calc(12% + 8px),calc(30px + env(safe-area-inset-bottom,0px)));font-size:20px}
#bottomBar{position:absolute;left:0;right:0;bottom:0;display:flex;align-items:flex-end;justify-content:space-between;gap:10px;padding:10px 16px calc(12px + env(safe-area-inset-bottom,0px));background:linear-gradient(0deg,rgba(5,7,6,.92),rgba(5,7,6,0))}
#inventory{display:flex;gap:6px;overflow-x:auto;min-width:0;flex:1;padding-bottom:2px;scrollbar-width:thin}
.chip{flex:none;display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 12px;border-radius:6px;border:1px solid var(--line);background:rgba(8,12,10,.88);font-size:13px;white-space:nowrap}
button.chip:hover{border-color:var(--accent)}
.chip.record{background:rgba(224,188,88,.07);border-color:rgba(224,188,88,.35)}
.chip.empty{color:var(--muted);border-style:dashed}
.chip .ico{font-size:15px;color:var(--accent)}
.actions{display:flex;gap:6px;flex:none}
.actions button{min-height:40px;padding:0 14px;border-radius:6px;border:1px solid var(--line);background:rgba(8,12,10,.9);font-size:13.5px}
.actions button[aria-expanded="true"]{border-color:var(--accent)}
#objectList{position:absolute;right:16px;bottom:calc(66px + env(safe-area-inset-bottom,0px));width:min(300px,calc(100% - 32px));max-height:min(60dvh,440px);overflow:auto;padding:8px;display:flex;flex-direction:column;gap:4px;background:var(--slate);border:1px solid var(--line);border-radius:10px}
#objectList button{text-align:left;min-height:38px;padding:6px 10px;border-radius:6px;border:1px solid transparent;background:none;font-size:14px}
#objectList button:hover,#objectList button:focus-visible{border-color:var(--line);background:rgba(224,188,88,.07)}
#objectList button.passage{color:var(--accent)}
#objectList button.passage::before{content:"→ "}
#panelBody .records li{padding:2px 0}
.record-link{width:100%;text-align:left;min-height:40px;padding:6px 8px;border:none;border-radius:4px;background:none;color:var(--slate-ink);font-weight:700;font-size:15px}
.record-link:hover{background:rgba(224,188,88,.08)}
.record-link.optional::after{content:" ✦";color:#c8a050}
@media (min-width:761px){.panel-open #caption,.panel-open #hoverLabel,.panel-open #toast{left:calc((100% - min(480px,46vw) - 16px)/2)}.panel-open #toast{max-width:calc(100% - min(480px,46vw) - 48px)}.panel-open #clockBadge{right:calc(min(480px,46vw) + 40px)}.panel-open .objective{max-width:min(420px,calc(100% - min(480px,46vw) - 56px))}}
/* on a small landscape screen the open panel leaves no room for the clock beside the objective */
@media (min-width:761px) and (max-width:1100px){.panel-open #clockBadge{display:none}}
/* text mode */
#textView{position:absolute;left:50%;top:calc(150px + env(safe-area-inset-top,0px));transform:translateX(-50%);width:min(620px,calc(100% - 32px));padding:16px 18px;border:1px solid var(--line);border-radius:10px;background:rgba(8,12,10,.93);z-index:2}
#textView h2{margin:4px 0 6px;font-family:var(--display);font-size:22px}
#textView p{margin:0;line-height:1.7;color:#c4cec8}
#textNotice{font-size:12px;color:var(--muted)!important;margin-bottom:6px!important}
.textmode #objectList{left:50%;right:auto;transform:translateX(-50%);bottom:calc(70px + env(safe-area-inset-bottom,0px));max-height:34dvh}
.textmode #textView{max-height:max(96px,calc(100dvh - 150px - var(--bar,62px) - 128px));overflow:auto}
@supports (top:max(1px,2px)){.textmode #objectList{top:calc(var(--tv,300px) + 12px);bottom:auto;max-height:max(96px,calc(100dvh - var(--tv,300px) - 20px - var(--bar,62px)))}}
.textmode #caption{position:static;transform:none;width:auto;margin:10px 0 0;text-align:left;font-size:15px}
.textmode #caption:empty{display:none}
/* panel: a dark slate on the right, a bottom sheet on phones */
#panel{position:absolute;z-index:5;top:calc(58px + env(safe-area-inset-top,0px));right:16px;bottom:calc(70px + env(safe-area-inset-bottom,0px));width:min(480px,46vw);display:flex;flex-direction:column;background:var(--slate);color:var(--slate-ink);border:1px solid var(--line);border-radius:8px;box-shadow:0 18px 60px rgba(0,0,0,.7),inset 0 0 50px rgba(224,188,88,.04);overflow:auto}
.panel-top{position:sticky;top:0;z-index:1;display:flex;justify-content:space-between;align-items:center;padding:10px 12px 0 18px;background:linear-gradient(rgba(10,14,12,.98) 70%,rgba(10,14,12,0))}
#panelTag{font-size:11px;letter-spacing:.2em;color:var(--accent);font-weight:700}
#panelTitle{margin:6px 18px 8px;font-family:var(--display);font-size:24px;line-height:1.2;text-wrap:balance;color:#f2f8f4}
#panelBody{padding:0 18px 18px;font-size:15px;line-height:1.75}
#panelBody p{margin:0 0 10px}
#panelBody .quote{font-family:var(--display);padding-left:12px;border-left:3px solid var(--accent-dim)}
#panelBody .list{margin:6px 0 12px;padding:0;list-style:none}
#panelBody .list li{padding:6px 0;border-bottom:1px dashed rgba(224,188,88,.2)}
#panelBody .feedback{min-height:1.5em;color:#ff9a8a;font-weight:700;font-size:14px}
#panelBody .feedback.ok{color:var(--accent)}
.panel-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.panel-actions button{min-height:42px;padding:0 16px;border-radius:6px;border:1px solid var(--line);background:rgba(224,188,88,.06);color:var(--slate-ink);font-weight:700}
.panel-actions button.go{background:#5a4a1e;border-color:var(--accent);color:#fff8e4}
/* papers */
.sheet{width:100%;border-collapse:collapse;margin:8px 0 12px;background:var(--paper);color:var(--paper-ink);font-size:13.5px;border-radius:3px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.4)}
.sheet th,.sheet td{padding:6px 9px;border-top:1px solid rgba(29,33,30,.18);text-align:left;vertical-align:middle}
.sheet thead th{background:#d6d3c4;font-size:12px;letter-spacing:.04em}
.sheet td.num,.sheet th.num{font-family:var(--mono);font-weight:800;white-space:nowrap;text-align:center}
.sheet .dirty{color:#a01c14;font-weight:800}
.sheet .clean{color:#1a6a3a;font-weight:800}
.swatch{display:inline-block;width:2.2em;height:1em;vertical-align:-2px;margin-right:6px;border:1px solid #333;border-radius:2px}
.paper{margin:8px 0 12px;padding:12px 14px;border-radius:3px;background:var(--paper);color:var(--paper-ink);font-size:14px;line-height:1.65;white-space:pre-line;box-shadow:0 3px 12px rgba(0,0,0,.45)}
.paper.hand{font-family:"Nanum Pen Script","Gaegu",var(--display);font-size:17px;color:#1a2a5a;background:#f2ecd6}
.paper.screen{background:#04120a;color:#7cf0b0;font-family:var(--mono);font-size:13px;box-shadow:inset 0 0 20px rgba(0,0,0,.6),0 0 0 3px #1a1a1a}
.paper.board{background:#f6f8f6;color:#1a3aa0;font-family:"Nanum Pen Script","Gaegu",var(--display);font-size:17px}
.memo{margin:8px 0 12px;padding:10px 12px;background:#f6eea8;color:#2a2410;font-size:15px;line-height:1.6;transform:rotate(-.6deg);box-shadow:0 3px 10px rgba(0,0,0,.45);white-space:pre-line;font-family:"Nanum Pen Script","Gaegu",var(--display)}
.plate{display:inline-block;margin:6px 0 12px;padding:8px 18px;border:3px solid #3a3a34;border-radius:4px;background:linear-gradient(135deg,#d0ccbc,#9c9888);color:#111;font-family:var(--mono);font-size:24px;font-weight:900;letter-spacing:.08em}
.tapgrid{display:grid;grid-template-columns:2em repeat(5,1fr);gap:2px;margin:8px 0 12px;background:var(--paper);color:var(--paper-ink);padding:6px;border-radius:3px;font-size:12.5px;box-shadow:0 2px 10px rgba(0,0,0,.4)}
.tapgrid b{display:flex;align-items:center;justify-content:center;font-family:var(--mono);background:#d6d3c4;min-height:2em}
.tapgrid span{display:flex;align-items:center;justify-content:center;text-align:center;min-height:2.6em;padding:2px;border:1px solid rgba(29,33,30,.15);line-height:1.2;word-break:keep-all}
.planmap{margin:8px 0 12px;border-radius:4px;overflow:hidden;background:#f2f0e6}
.planmap.screen{background:#04120c}
.planmap svg{display:block;width:100%;height:auto}
/* the flashlight's two cells */
.cells{display:flex;gap:12px;justify-content:center;margin:12px 0;padding:14px;border-radius:10px;background:linear-gradient(#2a2c2a,#141614)}
.cell{display:flex;flex-direction:column;align-items:center;gap:6px}
.cell .bat{width:48px;height:96px;border-radius:6px;background:linear-gradient(90deg,#c8a030,#f0d070 50%,#a8801a);position:relative;display:flex;align-items:center;justify-content:center;font-weight:900;color:#2a1a00;font-size:22px}
.cell button{min-height:34px;padding:0 10px;border-radius:6px;border:1px solid var(--line);background:#1a1c18;font-size:12.5px}
/* the switchboard */
.board{margin:10px 0;padding:14px;border-radius:8px;background:linear-gradient(#c8c4b4,#9a968a);color:#111;box-shadow:inset 0 2px 8px rgba(0,0,0,.35)}
.holders{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.holder{display:flex;flex-direction:column;align-items:center;gap:6px;padding:8px 4px;border-radius:6px;background:rgba(0,0,0,.08)}
.holder .ring{font-family:var(--mono);font-weight:900;font-size:15px;padding:2px 8px;border-radius:999px;border:2px solid #8a6a20;background:#e8d8a0}
.holder .slot{width:70px;height:28px;border-radius:14px;background:#1a1a1a;box-shadow:inset 0 0 0 2px #333;display:flex;align-items:center;justify-content:center}
.fusebody{display:inline-block;width:54px;height:16px;border-radius:8px;border:2px solid #b08a40;position:relative;vertical-align:middle}
.fusebody.blown::after{content:"";position:absolute;right:-6px;top:3px;width:6px;height:6px;border-radius:50%;background:transparent}
.fusebody:not(.blown)::after{content:"";position:absolute;right:-7px;top:2px;width:8px;height:8px;border-radius:50%;background:#fff;border:1px solid #333}
.holder .lamp{width:14px;height:14px;border-radius:50%;background:#1a2a1a;box-shadow:inset 0 0 0 2px #333}
.holder .lamp.lit{background:#40ff70;box-shadow:0 0 10px #40ff70}
.holder .lamp.dark{background:#401010}
.holder button{min-height:30px;padding:0 8px;border-radius:5px;border:1px solid #333;background:#2a2a26;color:#eee;font-size:12px}
.fusepick{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0}
.fusepick button{display:flex;align-items:center;gap:8px;min-height:40px;padding:0 10px;border-radius:6px;border:1px solid var(--line);background:#14140f;font-size:13px}
.fusepick button[aria-pressed="true"]{border-color:var(--accent);background:#2a2410}
.mainsw{display:block;width:100%;margin-top:10px;min-height:44px;border-radius:6px;border:2px solid #401010;background:linear-gradient(#c03020,#801810);color:#fff;font-weight:900}
.systems{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:10px 0}
.sys{display:flex;flex-direction:column;align-items:center;gap:6px;min-height:118px;padding:10px 4px;border-radius:8px;border:1px solid #333;background:#d8d4c4;color:#111;font-weight:800;font-size:12.5px;text-align:center}
.sys .lever{width:26px;height:46px;border-radius:5px;background:#222;position:relative}
.sys .lever::after{content:"";position:absolute;left:4px;right:4px;height:18px;border-radius:3px;background:linear-gradient(#f0f0ea,#a8aaa4);transition:top .15s;top:24px}
.sys[aria-pressed="true"] .lever::after{top:4px}
.sys[aria-pressed="true"]{background:#f0e0a0;box-shadow:0 0 0 2px #c8a030}
.loadbar{display:flex;gap:4px;align-items:center;font-size:12.5px;color:var(--muted)}
.loadbar i{width:28px;height:10px;border-radius:2px;background:#222;border:1px solid #444}
.loadbar i.on{background:var(--accent)}
/* the radio */
.radio{margin:10px 0;padding:14px;border-radius:10px;background:linear-gradient(#3a4232,#1e2418);box-shadow:inset 0 2px 8px rgba(0,0,0,.5)}
.freq{font-family:var(--mono);font-size:34px;font-weight:900;color:#b8ff60;text-align:center;letter-spacing:.06em;text-shadow:0 0 10px rgba(184,255,96,.5);background:#0a1206;border-radius:6px;padding:6px}
.tune{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin:10px 0}
.tune button{min-height:40px;border-radius:6px;border:1px solid #111;background:#2a3020;color:#e8f0d8;font-family:var(--mono);font-weight:800}
.meter{height:14px;border-radius:7px;background:#0a0e06;overflow:hidden;box-shadow:inset 0 0 0 1px #333}
.meter i{display:block;height:100%;background:linear-gradient(90deg,#3a6a1a,#b8ff60);transition:width .2s}
/* DIP switches */
.dips{display:flex;gap:10px;justify-content:center;margin:12px 0;padding:14px;border-radius:8px;background:#1a3aa0}
.dip{display:flex;flex-direction:column;align-items:center;gap:4px;min-width:52px;padding:6px;border-radius:6px;border:1px solid #0a1a60;background:#1a3aa0;color:#fff;font-family:var(--mono);font-weight:800;font-size:12px}
.dip .knob{width:24px;height:44px;border-radius:4px;background:#0a1a50;position:relative}
.dip .knob::after{content:"";position:absolute;left:3px;right:3px;height:18px;background:#f4f4f0;border-radius:2px;transition:top .12s;top:23px}
.dip[aria-pressed="true"] .knob::after{top:3px}
/* the recordings */
.clips{display:flex;flex-direction:column;gap:6px;margin:10px 0}
.clip{display:grid;grid-template-columns:auto 1fr;gap:8px;align-items:start;padding:8px 10px;border-radius:6px;border:1px solid var(--line);background:#0c100a;font-size:13px;line-height:1.5}
.clip b{font-family:var(--mono);color:#9cf0b8}
.clip button{grid-column:1/-1;justify-self:start;min-height:32px;padding:0 10px;border-radius:5px;border:1px solid var(--line);background:#1a1c14;font-size:12.5px}
.clip.used{opacity:.45}
.order{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0}
.order span{min-width:44px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:6px;border:1px dashed var(--line);font-family:var(--mono);font-weight:900;color:#9cf0b8}
/* the plans terminal */
.layers{display:flex;gap:6px;margin:10px 0}
.layers button{flex:1;min-height:40px;border-radius:6px;border:1px solid var(--line);background:#0c120e;font-weight:700}
.layers button[aria-pressed="true"]{border-color:#7cf0b0;color:#7cf0b0}
/* the valves */
.valves{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:10px 0}
.valve{display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 4px;border-radius:8px;border:1px solid #333;background:#1a1c18;font-family:var(--mono);font-weight:800}
.valve .wheel{width:44px;height:44px;border-radius:50%;border:5px solid #b02818;position:relative}
.valve .wheel::before,.valve .wheel::after{content:"";position:absolute;left:50%;top:50%;width:36px;height:4px;margin:-2px 0 0 -18px;background:#b02818}
.valve .wheel::after{transform:rotate(90deg)}
.valve .band{width:56px;height:12px;border-radius:2px;border:1px solid #333}
.valve.open .wheel{transform:rotate(90deg)}
/* the knocking */
.taps{display:flex;flex-direction:column;gap:8px;margin:10px 0}
.tapline{display:grid;grid-template-columns:1fr auto;gap:6px;align-items:center;padding:8px 10px;border-radius:6px;border:1px solid var(--line);background:#0c0e0a}
.tapline .dots{font-family:var(--mono);font-size:15px;letter-spacing:.08em;color:var(--accent)}
.tapline select{min-height:38px;border-radius:6px;border:1px solid var(--line);background:#14140f;padding:0 6px;max-width:160px}
.tapline.done{border-color:rgba(88,224,148,.5)}
.tapline.done select{color:var(--safe)}
.tapline button{min-height:34px;padding:0 10px;border-radius:5px;border:1px solid var(--line);background:#1a1c14}
.knocker{display:flex;gap:10px;align-items:center;justify-content:center;margin:10px 0;flex-wrap:wrap}
.knocker .count{display:flex;flex-direction:column;align-items:center;gap:4px}
.knocker .count output{width:56px;height:46px;display:flex;align-items:center;justify-content:center;border-radius:6px;background:#0a0c08;font-family:var(--mono);font-size:24px;font-weight:900;color:var(--accent)}
.knocker button{min-height:38px;padding:0 12px;border-radius:6px;border:1px solid var(--line);background:#1a1c14}
/* the purge panel and the bulkhead panel */
.ctl{margin:10px 0;padding:12px;border-radius:8px;background:linear-gradient(#c8c4b4,#9a968a);color:#111;display:flex;flex-direction:column;gap:10px}
.ctl .row{display:flex;justify-content:space-between;align-items:center;gap:8px;font-weight:800;font-size:13.5px}
.ctl .row button{min-height:38px;padding:0 12px;border-radius:6px;border:1px solid #333;background:#2a2a26;color:#eee;font-weight:800}
.ctl .row button[aria-pressed="true"]{background:#5a4a1e;color:#fff8e4}
.ctl .step{display:flex;align-items:center;gap:6px}
.ctl .step output{min-width:46px;text-align:center;font-family:var(--mono);font-size:20px;font-weight:900}
.gauge{position:relative;height:30px;border-radius:6px;background:#1a1a18;overflow:hidden;box-shadow:inset 0 0 0 1px #333}
.gauge .band{position:absolute;top:0;bottom:0;background:rgba(88,224,148,.35)}
.gauge .needle{position:absolute;top:0;bottom:0;width:3px;background:#ff4a3a;transition:left .3s}
.gauge .scale{position:absolute;bottom:2px;font-family:var(--mono);font-size:10px;color:#aaa}
.readout{font-family:var(--mono);font-size:26px;font-weight:900;text-align:center;padding:6px;border-radius:6px;background:#0a0606;color:#ff6a3a}
.readout.ok{color:#60ff80}
/* the generator */
.tabs{display:flex;gap:4px;flex-wrap:wrap;margin:8px 0}
.tabs button{flex:1;min-height:38px;padding:0 6px;border-radius:6px 6px 0 0;border:1px solid var(--line);background:#0e0f0b;font-size:12.5px;font-weight:700}
.tabs button[aria-selected="true"]{background:#2a2410;border-color:var(--accent);color:#fff8e4}
.tabs button.done::after{content:" ✓";color:var(--safe)}
.wire{display:grid;grid-template-columns:auto 1fr;gap:8px;align-items:center;margin:4px 0}
.wire b{font-family:var(--mono)}
.wire select{min-height:38px;border-radius:6px;border:1px solid #333;background:#f2efe4;color:#111;padding:0 6px}
.sizes{display:flex;gap:6px;flex-wrap:wrap}
.sizes button{min-width:56px;min-height:40px;border-radius:6px;border:1px solid #333;background:#e8e4d4;color:#111;font-family:var(--mono);font-weight:900}
.fuelseq{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.fuelseq button{min-height:42px;padding:0 8px;border-radius:6px;border:1px solid #333;background:#2a2a26;color:#eee;font-size:12.5px;font-weight:700;text-align:left}
.fuelseq button .st{display:block;font-size:11px;color:#c8c0a0;font-weight:600}
.fuelseq button.start{grid-column:1/-1;background:linear-gradient(#2a8a3a,#1a5a24);text-align:center}
.meters{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.meters .readout{font-size:20px;color:#60ff80}
.meters .readout.out{color:#ff6a3a}
/* yes or no */
.choice{display:flex;flex-direction:column;gap:8px;margin:12px 0}
.choice button{min-height:46px;padding:0 14px;border-radius:6px;border:1px solid var(--line);background:#14140f;font-weight:800;text-align:left}
.choice button.danger{border-color:rgba(216,72,58,.6);background:#2a0e0a;color:#ffd0c8}
/* the phone alert in the opening */
.phone-alert{position:absolute;z-index:7;left:50%;top:calc(18% + env(safe-area-inset-top,0px));transform:translateX(-50%);width:min(380px,calc(100% - 32px));padding:14px 16px;border-radius:16px;background:rgba(236,236,240,.96);color:#111;box-shadow:0 20px 60px rgba(0,0,0,.6);animation:alertIn .5s ease-out;font-family:var(--body)}
.phone-alert .top{display:flex;justify-content:space-between;font-size:12px;color:#555;margin-bottom:6px}
.phone-alert h3{margin:0 0 4px;font-size:16px;color:#b01810}
.phone-alert p{margin:0;font-size:14px;line-height:1.5}
@keyframes alertIn{from{opacity:0;transform:translate(-50%,-20px)}to{opacity:1;transform:translate(-50%,0)}}
/* the dosimeter counting up in the bad endings */
#doseCounter{position:absolute;z-index:6;right:16px;bottom:calc(16% + env(safe-area-inset-bottom,0px));padding:10px 14px;border-radius:10px;background:rgba(10,4,4,.85);border:1px solid rgba(216,72,58,.6);font-family:var(--mono);font-size:26px;font-weight:900;color:#ff5a48;text-shadow:0 0 12px rgba(255,90,72,.6)}
#doseCounter small{display:block;font-size:11px;color:#c88;letter-spacing:.1em}
/* the ending: the roster, the story */
.roster{margin:12px 0;padding:12px;border-radius:6px;background:#060a06;border:1px solid rgba(88,224,148,.35);font-family:var(--mono);font-size:13.5px}
.roster h3{margin:0 0 8px;font-size:13px;letter-spacing:.12em;color:var(--muted)}
.roster li{display:grid;grid-template-columns:3.6em 1fr auto;gap:8px;padding:4px 0;border-bottom:1px dashed rgba(88,224,148,.15)}
.roster ol{margin:0;padding:0;list-style:none}
.roster .alive{color:var(--safe);font-weight:800}
.roster .dead{color:#ff7a68;font-weight:800}
.roster .confirm{margin:10px 0 0;text-align:center;font-weight:900;letter-spacing:.14em;color:var(--safe)}
.roster .tally{margin:10px 0 0;text-align:center;font-weight:900;color:#ff9a8a}
.recap{margin:14px 0 0;padding-top:10px;border-top:1px solid var(--line)}
.recap h3{margin:0 0 8px;font-size:14px;letter-spacing:.12em;color:var(--accent)}
.recap p{font-size:13.5px}
.found-endings{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0}
.found-endings span{padding:4px 8px;border-radius:999px;border:1px solid var(--line);font-size:12px}
.found-endings span.got{border-color:var(--accent);color:var(--accent)}
.hint-text{font-size:15px}
#panelBody .faint{color:var(--muted);font-size:13px}
.hint-text.answer{padding:8px 10px;border-radius:6px;background:rgba(224,188,88,.08)}
/* modal */
#modalBackdrop{position:absolute;inset:0;z-index:8;display:flex;align-items:center;justify-content:center;padding:16px;background:rgba(2,4,3,.76);backdrop-filter:blur(3px)}
#modal{position:relative;width:min(540px,100%);max-height:calc(100dvh - 32px);overflow:auto;padding:24px 22px 22px;border-radius:10px;border:1px solid var(--line);background:linear-gradient(#0e1412,#060807);box-shadow:0 24px 80px rgba(0,0,0,.7)}
.modal-x{position:absolute;top:10px;right:10px}
#modal h2{margin:0 0 10px;font-family:var(--display);font-size:28px;line-height:1.2;padding-right:40px;text-wrap:balance}
#modal p{margin:0 0 12px;line-height:1.75;color:#c4cec8}
#modal .other{font-size:13px;color:var(--muted)}
.ending h2{color:#ff9a8a}
.ending.six h2{color:#f4e2b0}
.setting{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid rgba(224,188,88,.12)}
.setting label{font-size:14px}
.setting input[type=range]{width:150px;accent-color:var(--accent)}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.seg button{min-height:34px;padding:0 10px;border:none;background:rgba(10,16,13,.85);font-size:13px}
.seg button[aria-pressed="true"]{background:#5a4a1e;color:#fff8e4}
.modal-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:14px 0}
.stats div{padding:10px;border:1px solid var(--line);border-radius:6px}
.stats span{display:block;font-size:11px;letter-spacing:.12em;color:var(--muted)}
.stats b{font-size:20px;font-variant-numeric:tabular-nums}
#toast{position:absolute;left:50%;top:max(calc(64px + env(safe-area-inset-top,0px)),calc(var(--card,0px) + 10px));transform:translate(-50%,-8px);z-index:9;padding:9px 16px;border-radius:6px;background:rgba(8,12,10,.95);border:1px solid var(--line);font-size:13.5px;opacity:0;transition:opacity .2s,transform .2s;pointer-events:none;max-width:calc(100% - 32px)}
#toast.show{opacity:1;transform:translate(-50%,0)}
@media (max-width:760px){
 #titleScreen{justify-content:flex-end;padding:76px 16px calc(40px + env(safe-area-inset-bottom,0px));background:linear-gradient(0deg,rgba(5,7,6,.97) 0%,rgba(5,7,6,.88) 55%,rgba(5,7,6,.2) 100%)}
 .intro{font-size:13.5px}
 .brand .series,.brand b{display:none}
 #panel{top:auto;left:0;right:0;bottom:0;width:auto;max-height:62dvh;border-radius:12px 12px 0 0;padding-bottom:env(safe-area-inset-bottom,0px)}
 .objective{top:calc(56px + env(safe-area-inset-top,0px));max-width:calc(100% - 184px)}
 #co2Line{font-size:10.5px}
 #clockBadge{top:calc(56px + env(safe-area-inset-top,0px));padding:6px 10px}
 #clockTime{font-size:18px}
 #objectiveText{font-size:14.5px}
 #bottomBar{flex-direction:column;align-items:stretch}
 .actions{justify-content:flex-end;flex-wrap:wrap}
 #objectList{right:16px;left:16px;width:auto;bottom:max(calc(112px + env(safe-area-inset-bottom,0px)),var(--bar,0px))}
 #hoverLabel,#caption{bottom:max(calc(150px + env(safe-area-inset-bottom,0px)),calc(var(--bar,0px) + 12px))}
 .panel-open #bottomBar,.panel-open #objectList{display:none}
 .panel-open #caption{bottom:calc(64dvh + 8px)}
 .brand span:nth-child(2){white-space:nowrap}
 #lang{max-width:110px}
 #toast{top:calc(150px + env(safe-area-inset-top,0px))}
 .textmode #toast{top:auto;bottom:calc(var(--bar,112px) + 8px)}
 .sheet{font-size:12.5px}
 .sheet th,.sheet td{padding:5px 6px}
}
@media (prefers-reduced-motion:reduce){.tube{animation:none}.phone-alert{animation:none}}

.embedded #topbar .brand,.embedded #lang,.embedded .setting:has(#langSel){display:none}.embedded #topbar{justify-content:flex-end}