/* The Lung Detective — game styles. Same paper-and-ink palette as epidetective.com. */
@font-face{font-family:"Literata";src:url(../../assets/literata-latin.woff2) format("woff2");font-weight:300 800;font-display:swap}
@font-face{font-family:"Literata";src:url(../../assets/literata-latin-italic.woff2) format("woff2");font-weight:300 800;font-style:italic;font-display:swap}

:root{
  --paper:#F5F4F0;--paper-deep:#EBEAE3;--chalk:#FFFFFF;--ink:#161713;--ink-soft:#454740;--ink-faint:#6B6E65;--rule:#D6D5CE;
  --known:#ba4c38;--probable:#d27a35;--none:#899693;--teal:#315f5a;--sky:#DCE6EA;--grass:#C9D3B8;--wall:#EFE9DD;--wood:#B48A5A;
  --display:"Literata",Georgia,"Times New Roman",serif;--body:-apple-system,"Segoe UI",Inter,Helvetica,Arial,sans-serif;--mono:ui-monospace,Menlo,Consolas,monospace;
  --fs:1rem;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--paper);color:var(--ink);font:var(--fs)/1.5 var(--body);-webkit-font-smoothing:antialiased}
body{background-image:radial-gradient(ellipse at 20% 0%,rgba(210,122,53,.07),transparent 50%),radial-gradient(ellipse at 90% 100%,rgba(49,95,90,.08),transparent 45%)}
.app.large{--fs:1.15rem}
.app.wide{--body:Verdana,"Atkinson Hyperlegible",Arial,sans-serif;letter-spacing:.02em;word-spacing:.08em}
.app.contrast{--paper:#FFFFFF;--paper-deep:#F0F0F0;--ink:#000;--ink-soft:#111;--ink-faint:#333;--rule:#666;--known:#8f1d10;--probable:#8a4a00;--none:#3d4a46}
.app.still *{animation:none !important;transition:none !important}
.app.still .puff{opacity:0 !important}
@media (prefers-reduced-motion:reduce){.app *{animation:none !important;transition:none !important}.app .puff{opacity:0 !important}}
button{font:inherit}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.15;margin:0 0 .4em;letter-spacing:-.01em}
h1 em{font-style:italic;font-weight:500}
p{margin:0 0 .8em}
.kicker{font-family:var(--mono);font-size:.68rem;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-faint);margin:0 0 .6em}
.fine{font-size:.82rem;color:var(--ink-faint)}
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--ink);border-radius:999px;padding:10px 20px;background:transparent;color:var(--ink);cursor:pointer;text-decoration:none;font-weight:600;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}
.btn:hover{background:var(--paper-deep)}
.btn.primary{background:var(--ink);color:var(--chalk);box-shadow:0 6px 18px -8px rgba(22,23,19,.6)}
.btn.primary:hover{background:#000;transform:translateY(-1px)}
.btn:focus-visible,.hot:focus-visible,.close:focus-visible,.hud-btn:focus-visible,.choice:focus-visible{outline:3px solid var(--probable);outline-offset:3px}

/* ---- screens */
.screen{min-height:100vh}
.screen[hidden]{display:none}
.title{display:grid;grid-template-columns:1fr;gap:28px;padding:clamp(24px,5vw,56px);align-items:center;max-width:1240px;margin:0 auto}
@media(min-width:900px){.title{grid-template-columns:minmax(0,5fr) minmax(0,5fr)}}
.title-card{max-width:60ch;position:relative}
.title h1{font-size:clamp(2.6rem,6.4vw,4.4rem);margin:.15em 0 .25em}
.title .kicker{display:inline-flex;align-items:center;gap:10px}
.title .kicker::before{content:"";width:22px;height:1px;background:var(--known)}
.subtitle{font-family:var(--display);font-style:italic;font-size:1.25rem;color:var(--ink-soft);margin:0 0 .6em}
.lede{font-size:1.06rem;color:var(--ink-soft);max-width:52ch}
.cases{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 6px;padding:0;list-style:none}
.cases li{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;border:1px solid var(--rule);border-radius:999px;padding:5px 12px 5px 8px;background:var(--chalk);color:var(--ink-soft)}
.cases li i{display:inline-block;width:18px;height:18px;border-radius:50%;font-style:normal;font-size:.62rem;font-weight:700;color:var(--chalk);display:grid;place-items:center}
.cases li:nth-child(1) i{background:var(--known)}.cases li:nth-child(2) i{background:var(--probable)}.cases li:nth-child(3) i{background:var(--teal)}
.title-actions{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 14px}
.title-art{position:relative;border-radius:22px;overflow:hidden;box-shadow:0 30px 60px -30px rgba(22,23,19,.45),0 0 0 1px var(--rule);background:var(--paper-deep);transform:rotate(1.2deg)}
.title-art svg{display:block;width:100%;height:auto}
.title-art::after{content:"";position:absolute;inset:0;border-radius:22px;box-shadow:inset 0 0 0 6px rgba(255,255,255,.55);pointer-events:none}
@media(min-width:900px){.title-art{margin-left:20px}}

/* ---- HUD */
.hud{display:grid;grid-template-columns:auto 1fr 1.4fr auto;gap:12px;align-items:center;padding:10px clamp(12px,3vw,28px);border-bottom:1px solid var(--rule);background:var(--paper);position:sticky;top:0;z-index:5}
.hud-left{display:grid;grid-template-columns:auto auto;gap:2px 12px;align-items:center}
.hud-left .avatar{grid-row:1/3;width:44px;height:44px;border-radius:50%;background:var(--chalk);border:1px solid var(--rule);display:grid;place-items:center;overflow:hidden}
.hud-left .avatar svg{width:44px;height:44px;display:block}
.hud-kicker{display:block;font-family:var(--mono);font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-faint)}
.hud strong{font-family:var(--display);font-size:1.05rem;font-weight:600}
.hud-right{display:grid;grid-template-columns:minmax(90px,1fr) auto;gap:6px 10px;align-items:center}
.hud-right .hud-kicker{grid-column:1/-1}
.meter{height:8px;background:var(--paper-deep);border-radius:4px;overflow:hidden;border:1px solid var(--rule)}
.meter i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--teal),#5E8C86);transition:width .5s ease}
.hud-btn{border:1px solid var(--rule);background:var(--chalk);border-radius:999px;width:38px;height:38px;cursor:pointer;font-size:1.1rem}
@media(max-width:640px){.hud{grid-template-columns:auto 1fr auto}.hud-right{grid-column:1/3}.hud-left .avatar{width:36px;height:36px}.hud-left .avatar svg{width:36px;height:36px}}

/* ---- scene */
.play{display:grid;grid-template-rows:auto 1fr;position:relative}
.stage-wrap{padding:clamp(10px,2vw,22px)}
.scene{position:relative;border-radius:18px;overflow:hidden;background:var(--sky);max-width:1100px;margin:0 auto;box-shadow:0 30px 60px -28px rgba(22,23,19,.5),0 0 0 1px rgba(22,23,19,.14),inset 0 0 0 1px rgba(255,255,255,.4)}
.scene svg{display:block;width:100%;height:auto}
.hint{text-align:center;font-size:.85rem;color:var(--ink-faint);margin:12px auto 0;max-width:70ch}
.hot{cursor:zoom-in;outline-offset:6px}
.hot .ring{fill:none;stroke:var(--ink);stroke-width:2;opacity:.9;transform-origin:center;transform-box:fill-box;animation:ping 2.2s cubic-bezier(.2,.6,.3,1) infinite;filter:drop-shadow(0 0 3px rgba(255,255,255,.95))}
.hot .ring2{fill:none;stroke:var(--ink);stroke-width:1.2;opacity:.55;stroke-dasharray:3 5;filter:drop-shadow(0 0 2px rgba(255,255,255,.9));transition:opacity .2s,stroke-width .2s}
.hot:hover .ring2,.hot:focus-visible .ring2{opacity:.95;stroke-width:2;stroke-dasharray:none}
.hot.done .ring{animation:none;opacity:0}
.hot.done .ring2{opacity:.35;stroke-dasharray:2 4}
.hot.done > *:not(.halo):not(.ring):not(.ring2):not(.badge):not(.tip){opacity:.72;filter:saturate(.75)}
.hot .badge{opacity:0;transition:opacity .25s}
.hot .badge-in{transform-box:fill-box;transform-origin:center}
.hot.done .badge{opacity:1}
.hot.done .badge-in{animation:stamp .35s cubic-bezier(.2,1.4,.4,1)}
.hot .tip{opacity:0;transition:opacity .15s;pointer-events:none;filter:drop-shadow(0 2px 3px rgba(22,23,19,.35))}
.hot:hover .tip,.hot:focus-visible .tip{opacity:1}
.hot:hover .halo,.hot:focus-visible .halo{opacity:.7}
.halo{opacity:0;transition:opacity .2s}
.hot .talk{transform-box:fill-box;transform-origin:center bottom;animation:bob 2.6s ease-in-out infinite}
@keyframes ping{0%{transform:scale(.7);opacity:.95}70%{transform:scale(1.28);opacity:0}100%{transform:scale(1.28);opacity:0}}
@keyframes stamp{0%{transform:scale(1.6) rotate(-8deg);opacity:0}100%{transform:scale(1) rotate(0);opacity:1}}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
.txt{font-family:var(--body);font-size:15px;fill:var(--ink);pointer-events:none}
.txt.small{font-size:12px;fill:var(--ink-soft)}
.txt.mono{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;fill:var(--ink-faint)}
/* ambient animation in the scenes */
.puff{transform-box:fill-box;transform-origin:center;animation:puff 5s linear infinite}
@keyframes puff{0%{transform:translate(0,0) scale(.5);opacity:0}12%{opacity:var(--op,.5)}100%{transform:translate(var(--dx,12px),var(--dy,-90px)) scale(var(--grow,2.2));opacity:0}}
.wisp{animation:wisp 3.6s ease-in-out infinite}
@keyframes wisp{0%,100%{transform:translate(0,0);opacity:.6}50%{transform:translate(3px,-6px);opacity:.35}}
.shimmer{animation:shimmer 2.4s ease-in-out infinite;transform-box:fill-box;transform-origin:center bottom}
@keyframes shimmer{0%,100%{transform:skewX(0)}50%{transform:skewX(4deg)}}
.dust{animation:breathe 3.4s ease-in-out infinite;transform-box:fill-box;transform-origin:left center}
@keyframes breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.07,1.04)}}
.spark{animation:flick .55s steps(2,jump-none) infinite;transform-box:fill-box;transform-origin:center}
.spark:nth-child(2n){animation-duration:.42s;animation-delay:.1s}
.spark:nth-child(3n){animation-duration:.7s;animation-delay:.25s}
@keyframes flick{0%{opacity:1;transform:scale(1)}100%{opacity:.15;transform:scale(.8)}}
.arc{animation:arc .16s steps(2,jump-none) infinite}
@keyframes arc{0%{opacity:1}100%{opacity:.55}}
.curtain{transform-box:fill-box;transform-origin:top center;animation:sway 7s ease-in-out infinite}
@keyframes sway{0%,100%{transform:skewX(0)}50%{transform:skewX(-2.5deg)}}
.flame{transform-box:fill-box;transform-origin:center bottom;animation:flame .5s ease-in-out infinite alternate}
@keyframes flame{0%{transform:scaleY(1)}100%{transform:scaleY(1.18)}}
.neon{animation:neon 4s linear infinite}
@keyframes neon{0%,92%,100%{opacity:1}93%{opacity:.55}95%{opacity:1}97%{opacity:.7}}
.exhaust{animation:exhaust 1.1s ease-in-out infinite;transform-box:fill-box;transform-origin:center}
@keyframes exhaust{0%,100%{transform:translateY(0)}50%{transform:translateY(-1.5px)}}
.wheel{transform-box:fill-box;transform-origin:center;animation:idle .18s ease-in-out infinite alternate}
@keyframes idle{0%{transform:translateY(0)}100%{transform:translateY(-.6px)}}
.cloud{animation:drift 60s linear infinite}
@keyframes drift{0%{transform:translateX(0)}100%{transform:translateX(-40px)}}

/* ---- panel: a paper case file */
.panel{position:fixed;right:0;bottom:0;top:0;width:min(470px,100%);background:var(--chalk);border-left:1px solid var(--rule);padding:18px 26px 32px;overflow:auto;box-shadow:-24px 0 70px rgba(22,23,19,.16);z-index:20;
  background-image:repeating-linear-gradient(0deg,transparent 0 27px,rgba(22,23,19,.045) 27px 28px);background-attachment:local;background-position:0 62px}
.panel::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:repeating-linear-gradient(180deg,var(--known) 0 22px,transparent 22px 30px);opacity:.75}
.panel[hidden]{display:none}
.panel-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px}
.panel .panel-head .kicker{margin:0;display:inline-block;background:var(--paper-deep);border:1px solid var(--rule);border-bottom-color:var(--paper-deep);border-radius:8px 8px 0 0;padding:6px 14px 4px;position:relative;top:1px;color:var(--ink-soft)}
.close{border:1px solid var(--rule);background:var(--paper);border-radius:999px;width:34px;height:34px;cursor:pointer;font-size:1.2rem;line-height:1}
.panel h2{font-size:1.55rem;padding-bottom:6px;border-bottom:1px solid var(--rule)}
.panel > p{color:var(--ink-soft)}
.bins{display:grid;gap:8px;margin:14px 0}
.choice{display:grid;gap:2px;text-align:left;border:1px solid var(--rule);background:var(--paper);border-radius:12px;padding:11px 14px;cursor:pointer;transition:border-color .15s,transform .15s,box-shadow .15s}
.choice:hover{border-color:var(--ink);transform:translateY(-1px);box-shadow:0 8px 20px -14px rgba(22,23,19,.6)}
.choice b{font-size:1rem}
.choice span{font-size:.8rem;color:var(--ink-faint)}
.choice.known b::before,.choice.probable b::before,.choice.none b::before{content:"";display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:8px;vertical-align:1px}
.choice.known b::before{background:var(--known)}.choice.probable b::before{background:var(--probable)}.choice.none b::before{background:var(--none)}
.choice.right{border-color:var(--teal);background:#EAF0EE}
.choice.wrong{border-color:var(--known);background:#F7ECEA}
.choice:disabled{cursor:default;transform:none;box-shadow:none}
.verdict{border-radius:12px;padding:12px 14px;margin:12px 0;background:var(--paper);position:relative}
.verdict.ok{border-left:4px solid var(--teal)}
.verdict.no{border-left:4px solid var(--known)}
.verdict h3{font-size:1.05rem;margin-bottom:.3em;padding-right:86px}
.verdict h3::after{position:absolute;right:14px;top:10px;font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;padding:4px 8px 3px;border:2px solid currentColor;border-radius:4px;transform:rotate(-6deg);opacity:.85;line-height:1;mask:radial-gradient(circle at 30% 40%,transparent 0 .5px,#000 1px),radial-gradient(circle at 70% 70%,transparent 0 .5px,#000 1px)}
.verdict.ok:not(.verdict.ok ~ .verdict.ok) h3::after{content:"Filed";color:var(--teal)}
.verdict.no h3::after{content:"Try again";color:var(--known)}
.src{font-size:.78rem;color:var(--ink-faint);border-top:1px solid var(--rule);padding-top:8px;margin-top:10px}
.src b{color:var(--ink-soft)}
.src a{color:inherit}
.code{background:var(--paper-deep);border-radius:10px;padding:10px 12px;font-size:.88rem;margin:10px 0;border-left:3px solid var(--probable)}
.code .kicker{margin-bottom:.3em}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.reading{font-family:var(--mono);font-size:2rem;font-weight:600;letter-spacing:-.02em;margin:6px 0 2px}
.reading small{font-size:.8rem;color:var(--ink-faint);letter-spacing:.06em}
.gauge{height:10px;border-radius:5px;background:linear-gradient(90deg,var(--teal) 0 33%,var(--probable) 33% 66%,var(--known) 66% 100%);position:relative;margin:8px 0 14px}
.gauge i{position:absolute;top:-4px;width:4px;height:18px;background:var(--ink);border-radius:2px;left:0;transition:left .8s ease}
.gauge-lab{display:flex;justify-content:space-between;font-family:var(--mono);font-size:.62rem;letter-spacing:.06em;color:var(--ink-faint)}
.tally{display:inline-block;font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;padding:3px 9px;border:1px solid var(--rule);border-radius:999px;margin-right:6px}
.tally.known{border-color:var(--known);color:var(--known)}.tally.probable{border-color:var(--probable);color:var(--probable)}.tally.none{border-color:var(--none);color:var(--none)}

/* ---- report */
.report{display:grid;place-items:start center;padding:clamp(24px,5vw,56px)}
.report-card{max-width:760px;width:100%;background:var(--chalk);border:1px solid var(--rule);border-radius:18px;padding:clamp(20px,4vw,40px);box-shadow:0 30px 60px -30px rgba(22,23,19,.4);position:relative;background-image:repeating-linear-gradient(0deg,transparent 0 27px,rgba(22,23,19,.04) 27px 28px)}
.report-card::before{content:"Case closed";position:absolute;right:24px;top:24px;font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--teal);border:2px solid var(--teal);border-radius:4px;padding:6px 10px 5px;transform:rotate(6deg);opacity:.8}
.report h1{font-size:clamp(2rem,5vw,3rem)}
.report-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin:18px 0 22px;padding:16px 0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.report-grid b{display:block;font-family:var(--mono);font-size:1.6rem;font-weight:600}
.report-grid span{font-size:.8rem;color:var(--ink-faint)}
.learned{margin:0 0 18px;padding-left:1.2em}
.learned li{margin:0 0 .5em;color:var(--ink-soft)}

/* ---- modals */
.modal{position:fixed;inset:0;background:rgba(22,23,19,.45);display:grid;place-items:center;padding:20px;z-index:40;backdrop-filter:blur(2px)}
.modal[hidden]{display:none}
.modal-card{background:var(--chalk);border-radius:16px;padding:22px 24px;max-width:560px;width:100%;max-height:90vh;overflow:auto;box-shadow:0 40px 80px -30px rgba(22,23,19,.6)}
.steps{padding-left:1.3em;color:var(--ink-soft)}
.steps li{margin-bottom:.6em}
.opt{display:flex;gap:10px;align-items:center;padding:8px 0;border-bottom:1px solid var(--rule)}
.opt input{width:18px;height:18px}

/* ---- official Code text, and phones: let the scene scroll sideways at a tappable size */
.code .code-t{margin:0;font-size:.92rem}
@media(max-width:640px){
  .scene{overflow-x:auto;-webkit-overflow-scrolling:touch;scroll-snap-type:none}
  .scene svg{width:860px;max-width:none}
  .hint::after{content:" Swipe sideways to look around.";}
}