/* base reset */
html{-webkit-text-size-adjust:100%}
body{margin:0}
img,video{max-width:100%}
[hidden]{display:none!important}
:root{padding-top:env(safe-area-inset-top,0px)}

/* Layout: a social profile feed as the crime scene in the main column, the question panel and case file beside it on wide screens; on phones the question panel pins to the top */
:root{
  --bg:#120a24; --bg2:#180e30; --surface:#1f1440; --surface2:#2a1b52; --line:#3e2b74;
  --fg:#f3efff; --muted:#ada1d6; --accent:#b794ff; --accent-strong:#8b5cf6; --accent-ink:#1a0d3a;
  --good:#46d6a6; --bad:#ff6b8f; --warn:#ffcb66;
  --feed:#0f0a1d; --feed-line:#2b2050;
  --f-display:"Alexandria","Tajawal",Tahoma,sans-serif;
  --f-body:"Tajawal",Tahoma,"Segoe UI",sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{background:var(--bg)}
body{background:radial-gradient(1200px 600px at 85% -10%,#2b1660 0%,transparent 60%),var(--bg);color:var(--fg);font-family:var(--f-body);font-size:17px;line-height:1.75;min-height:100vh}
.wrap{max-width:1040px;margin:0 auto;padding-block:20px 40px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
button{font:inherit;color:inherit;cursor:pointer}
button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.num{font-family:var(--f-mono);font-variant-numeric:tabular-nums}

.top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-bottom:14px;border-bottom:1px solid var(--line)}
.club{display:flex;align-items:center;gap:10px;min-width:0}
.club svg{flex:none}
.club-name{font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;line-height:1.35;color:var(--muted)}
.club-name b{display:block;color:var(--fg);font-weight:700}
.tag{font-family:var(--f-mono);font-size:13px;color:var(--accent);border:1px solid var(--line);padding:4px 10px;border-radius:999px;direction:ltr}
footer{margin-top:40px;padding-top:14px;border-top:1px solid var(--line);font-size:14px;color:var(--muted);display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}

/* home */
.hero{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:28px;align-items:center;padding-block:36px 26px}
.eyebrow{font-size:15px;color:var(--accent);font-weight:500}
h1{font-family:var(--f-display);font-weight:800;font-size:clamp(40px,8vw,66px);line-height:1.4;margin:4px 0 14px;text-wrap:balance}
h1 span{color:var(--accent)}
.lead{color:var(--muted);max-width:56ch;margin:0 0 20px}
.btn{border:0;border-radius:12px;padding:12px 22px;background:var(--accent);color:var(--accent-ink);font-weight:700;font-size:16px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--line)}
.btn.lg{padding:15px 30px;font-size:18px}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.best{margin-top:12px;font-size:15px;color:var(--muted)}
.best b{font-family:var(--f-mono);color:var(--accent)}
.file{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;position:relative;transform:rotate(-1.5deg)}
.file .stamp{position:absolute;top:14px;left:14px;font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;color:var(--bad);border:2px solid var(--bad);padding:2px 8px;border-radius:6px;transform:rotate(-8deg)}
.file .who{display:flex;gap:12px;align-items:center;margin-bottom:12px}
.file .who img{width:60px;height:60px;border-radius:50%;object-fit:cover;border:2px solid var(--line)}
.file .who b{font-family:var(--f-display);font-size:20px;display:block}
.file .who span{font-family:var(--f-mono);font-size:13px;color:var(--muted);direction:ltr;display:block;text-align:right}
.file ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.file li{display:flex;justify-content:space-between;gap:10px;font-size:15px;border-bottom:1px dashed var(--line);padding-bottom:6px}
.file li span:last-child{font-family:var(--f-mono);color:var(--muted);letter-spacing:.2em}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:8px}
.step{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px}
.step .n{font-family:var(--f-mono);font-size:13px;color:var(--accent)}
.step h3{font-family:var(--f-display);font-weight:700;font-size:19px;margin:2px 0 4px}
.step p{margin:0;color:var(--muted);font-size:15px}
.scoring{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px 18px;font-size:15px;color:var(--muted)}
.scoring div{display:flex;gap:8px;align-items:center}
.scoring i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.note{font-size:14px;color:var(--muted);margin-top:14px}

/* game layout */
.phasebar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin:18px 0 12px}
.phasebar .t{font-family:var(--f-display);font-weight:700;font-size:21px}
.phasebar .t small{display:block;font-family:var(--f-body);font-weight:500;font-size:14px;color:var(--muted)}
.stats{display:flex;gap:14px;font-size:15px;color:var(--muted)}
.stats b{color:var(--fg);font-family:var(--f-mono)}
.game{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:18px;align-items:start}
.side{position:sticky;top:calc(12px + env(safe-area-inset-top,0px));max-height:calc(100vh - 24px - env(safe-area-inset-top,0px));overflow:auto;scrollbar-width:thin}

/* profile feed */
.profile{background:var(--feed);border:1px solid var(--feed-line);border-radius:16px;overflow:hidden}
.cover{height:120px;background:linear-gradient(120deg,#3a1f6b,#6b3fa0 50%,#c06c84)}
.phead{padding:0 18px 16px;border-bottom:1px solid var(--feed-line)}
.phead .av{width:92px;height:92px;border-radius:50%;object-fit:cover;border:4px solid var(--feed);margin-top:-46px;display:block}
.phead h2{font-family:var(--f-display);font-weight:700;font-size:22px;margin:8px 0 0}
.phead .handle{font-family:var(--f-mono);font-size:14px;color:var(--muted);direction:ltr;text-align:right}
.phead .bio{margin:8px 0;font-size:16px}
.phead .meta{display:flex;gap:16px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
.phead .meta b{color:var(--fg)}
.post{padding:16px 18px;border-bottom:1px solid var(--feed-line);transition:background .3s,box-shadow .3s}
.post:last-child{border-bottom:0}
.post.glow{background:color-mix(in srgb,var(--accent) 10%,var(--feed));box-shadow:inset 3px 0 0 var(--accent)}
.post .ph{display:flex;gap:10px;align-items:center}
.post .ph img{width:40px;height:40px;border-radius:50%;object-fit:cover}
.post .ph b{display:block;font-size:15px;line-height:1.3}
.post .ph span{font-size:13px;color:var(--muted)}
.post .geo{display:inline-flex;align-items:center;gap:4px;font-size:13px;color:var(--accent);margin-top:2px}
.post .geo svg{fill:var(--accent)}
.post .cap{margin:10px 0}
.post .pic{border-radius:12px;overflow:hidden;border:1px solid var(--feed-line);cursor:zoom-in;padding:0;background:#000;display:block;width:100%}
.post .pic img{display:block;width:100%;height:auto;max-height:520px;object-fit:cover}
.post .acts{display:flex;gap:18px;margin-top:8px;font-size:14px;color:var(--muted)}
.post .acts span{display:inline-flex;gap:5px;align-items:center}
.post .acts svg{fill:none;stroke:var(--muted);stroke-width:2}
.cmts{margin-top:10px;display:grid;gap:6px}
.cmt{background:var(--bg2);border-radius:10px;padding:6px 10px;font-size:15px}
.cmt b{font-size:14px;color:var(--accent);margin-inline-end:6px}

/* fix phase controls on posts */
.decide{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.decide button{flex:1;min-width:140px;border:1px solid var(--line);background:var(--surface2);border-radius:10px;padding:9px 10px;font-size:15px}
.decide button.on{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 22%,var(--surface2));font-weight:700}
.decide.ok button.on{border-color:var(--good);background:color-mix(in srgb,var(--good) 18%,var(--surface2))}
.decide.no button.on{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 18%,var(--surface2))}
.why{margin-top:8px;font-size:15px;color:var(--muted);border-inline-start:3px solid var(--line);padding-inline-start:10px}
.why.ok{border-color:var(--good)}
.why.no{border-color:var(--bad)}

/* settings */
.settings{background:var(--feed);border:1px solid var(--feed-line);border-radius:16px;padding:6px 18px;margin-bottom:14px}
.settings h3{font-family:var(--f-display);font-weight:700;font-size:18px;margin:10px 0 4px}
.set{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:10px 0;border-bottom:1px solid var(--feed-line)}
.set:last-child{border-bottom:0}
.set .lbl{font-size:16px}
.set .lbl small{display:block;color:var(--muted);font-size:14px}
.sw{flex:none;width:52px;height:30px;border-radius:99px;border:0;background:var(--surface2);position:relative;padding:0;transition:background .2s}
.sw::after{content:"";position:absolute;top:4px;right:4px;width:22px;height:22px;border-radius:50%;background:var(--muted);transition:transform .2s,background .2s}
.sw[aria-checked="true"]{background:var(--accent-strong)}
.sw[aria-checked="true"]::after{transform:translateX(-22px);background:#fff}
.set.ok .sw{box-shadow:0 0 0 2px var(--good)}
.set.no .sw{box-shadow:0 0 0 2px var(--bad)}

/* case file */
.case{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px}
.case h3{font-family:var(--f-display);font-weight:700;font-size:18px;margin:0 0 2px;display:flex;justify-content:space-between;align-items:center}
.case h3 span{font-family:var(--f-mono);font-size:13px;color:var(--muted)}
.case p{margin:0 0 10px;font-size:14px;color:var(--muted)}
.case ul{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.case li{display:grid;grid-template-columns:1fr auto;gap:8px;font-size:14px;padding:6px 0;border-bottom:1px dashed var(--line)}
.case li .v{font-family:var(--f-mono);color:var(--muted);letter-spacing:.15em}
.case li.got .v{color:var(--bad);letter-spacing:0;font-family:var(--f-body);font-weight:700}
.case li.miss .v{color:var(--muted);letter-spacing:0;font-family:var(--f-body);text-decoration:line-through}
.case li.cur{color:var(--accent)}
.meter{margin-top:12px;font-size:14px;color:var(--muted)}
.meter .bar{height:8px;border-radius:99px;background:var(--surface2);overflow:hidden;margin-top:4px}
.meter .bar div{height:100%;background:var(--bad);transition:width .4s}

/* question panel: beside the feed on wide screens, pinned to the top on phones */
.qp{background:var(--surface);border:1px solid var(--accent-strong);border-radius:16px;padding:14px 16px;box-shadow:0 12px 30px rgba(0,0,0,.35);margin-bottom:14px}
.qp:empty{display:none}
.qp .meter{margin-top:10px}
.case-m{display:none;margin-top:14px}
.timer{height:6px;background:var(--surface2);border-radius:99px;overflow:hidden}
.timer div{height:100%;width:100%;background:linear-gradient(90deg,var(--accent-strong),var(--accent));transform-origin:right}
.timer.low div{background:var(--bad)}
.qrow{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin:8px 0}
.qtext{font-family:var(--f-display);font-weight:700;font-size:18px;line-height:1.5;margin:0;text-wrap:balance}
.qtext small{display:block;font-family:var(--f-body);font-weight:500;font-size:13px;color:var(--muted)}
.qside{display:flex;flex-direction:column;align-items:flex-end;gap:4px;flex:none}
.qside .tl{font-family:var(--f-mono);font-size:14px;color:var(--muted)}
.hintb{border:1px solid var(--line);background:transparent;border-radius:8px;padding:2px 10px;font-size:13px;color:var(--warn)}
.hintb[disabled]{opacity:.4;cursor:default}
.hinttext{font-size:14px;color:var(--warn);margin:0 0 6px}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.opt{background:var(--surface2);border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:15px;text-align:center;line-height:1.4}
.opt:hover:not([disabled]){border-color:var(--accent)}
.opt.correct{border-color:var(--good);background:color-mix(in srgb,var(--good) 18%,var(--surface2))}
.opt.wrong{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 18%,var(--surface2))}
.opt[disabled]{cursor:default}
.fb{display:flex;flex-direction:column;gap:10px;align-items:flex-start;margin-top:10px}
.fb p{margin:0;font-size:15px;color:var(--muted)}
.fb p b{color:var(--good)}
.fb p b.no{color:var(--bad)}
.fb .btn{flex:none}
.dockbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.dockbar p{margin:0;font-size:15px;color:var(--muted)}

/* phase 2: connect the clues. A recovery screen of a fictional app, locks that break as evidence is linked, and an evidence tray */
.board,.sim{background:var(--feed);border:1px solid var(--feed-line);border-radius:16px;overflow:hidden;box-shadow:0 0 0 1px rgba(183,148,255,.04),0 18px 50px -24px rgba(139,92,246,.45)}
.winbar{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--feed-line);background:linear-gradient(180deg,#1a1033,var(--feed))}
.winbar .dots{display:flex;gap:5px}
.winbar .dots i{width:9px;height:9px;border-radius:50%;background:var(--line)}
.winbar .wt{font-family:var(--f-display);font-weight:700;font-size:15px;flex:1}
.simtag{font-family:var(--f-mono);font-size:12px;color:var(--warn);border:1px dashed color-mix(in srgb,var(--warn) 60%,transparent);border-radius:6px;padding:1px 8px}
.target{display:flex;align-items:center;gap:12px;padding:14px;border-bottom:1px solid var(--feed-line)}
.target img{width:48px;height:48px;border-radius:50%;object-fit:cover;border:2px solid var(--line)}
.target .tn{flex:1;min-width:0}
.target .tn b{display:block;font-size:16px;line-height:1.3}
.target .tn span{font-family:var(--f-mono);font-size:13px;color:var(--muted);direction:ltr;display:block;text-align:right}
.shield{width:150px;flex:none}
.shield small{color:var(--muted);font-size:13px}
.shield b{float:left;font-size:15px;color:var(--good);transition:color .4s}
.shield .bar{height:8px;border-radius:99px;background:var(--surface2);overflow:hidden;margin-top:2px}
.shield .bar div{height:100%;background:var(--good);transition:width .6s cubic-bezier(.2,.8,.2,1),background .4s}
.shield.low b{color:var(--bad)}
.shield.low .bar div{background:var(--bad)}
.locks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding:14px}
.lock{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;text-align:start;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px 12px;position:relative;transition:border-color .25s,box-shadow .25s,background .25s}
.lock:hover{border-color:var(--accent)}
.lock.cur{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 25%,transparent),0 0 22px -6px var(--accent)}
.lock .lic svg{display:block;fill:none;stroke:var(--accent);stroke-width:2;stroke-linecap:round}
.lock .lic circle{fill:var(--accent);stroke:none}
.lock .lt small{display:block;font-family:var(--f-mono);font-size:12px;color:var(--muted);line-height:1.4}
.lock .lt b{font-size:15px;line-height:1.4}
.lock .slots{display:flex;gap:4px}
.lock .slots i,.lock .slots img{width:30px;height:30px;border-radius:7px;flex:none}
.lock .slots i{border:1.5px dashed var(--line);display:grid;place-items:center;font-style:normal;color:var(--muted);font-size:16px}
.lock .slots img{object-fit:cover;border:1.5px solid var(--bad)}
.lock .slots i.txt{border:1.5px solid var(--bad);color:var(--bad);background:color-mix(in srgb,var(--bad) 12%,transparent)}
.lock.open{background:color-mix(in srgb,var(--bad) 9%,var(--surface));border-color:color-mix(in srgb,var(--bad) 55%,var(--line))}
.lock.open.cur{box-shadow:0 0 0 3px color-mix(in srgb,var(--bad) 25%,transparent)}
.lock.open .lic svg{stroke:var(--bad)}
.lock.open .lic circle{fill:var(--bad)}
.lock.burst{animation:burst .7s ease-out}
@keyframes burst{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--bad) 70%,transparent)}100%{box-shadow:0 0 0 14px transparent}}

.tray{margin-top:14px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px}
.tray-h{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.tray-h h3{font-family:var(--f-display);font-weight:700;font-size:18px;margin:0}
.tray-h span{font-size:14px;color:var(--muted)}
.tray-note{margin:8px 0 0;font-size:14px;color:var(--warn)}
.evs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:12px}
.ev{position:relative;background:var(--bg2);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;transition:border-color .25s,transform .25s}
.ev:hover{border-color:var(--accent)}
.ev-pick{all:unset;cursor:pointer;display:flex;flex-direction:column;flex:1}
.ev-pick:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;border-radius:12px}
.ev-pick[disabled]{cursor:default}
.ev-img{display:block;aspect-ratio:16/10;background:#000;overflow:hidden}
.ev-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}
.ev:hover .ev-img img{transform:scale(1.04)}
.ev-img.txt{display:grid;place-items:center;padding:10px;background:linear-gradient(135deg,#2a1b52,#3a1f6b);font-size:14px;line-height:1.5;color:var(--fg);text-align:center}
.ev-b{display:block;padding:8px 10px 10px}
.ev-b small{display:block;font-size:12px;color:var(--muted)}
.ev-b b{display:block;font-size:15px;line-height:1.4}
.ev-f{display:block;font-size:14px;color:var(--accent);margin-top:2px}
.ev.sealed .ev-img img,.ev.sealed .ev-img.txt{filter:blur(6px) grayscale(.6);opacity:.55}
.ev.sealed .ev-f{color:var(--muted);letter-spacing:.02em}
.ev-open{margin:0 10px 10px;border:1px dashed var(--warn);background:transparent;color:var(--warn);border-radius:8px;padding:4px 8px;font-size:13px}
.ev-tags{position:absolute;top:8px;left:8px;display:flex;gap:4px}
.ev-tags i{font-style:normal;font-size:12px;background:var(--bad);color:#2a0612;border-radius:6px;padding:0 6px;font-weight:700}
.ev.used{border-color:color-mix(in srgb,var(--bad) 45%,var(--line))}
.ev.hinted{border-color:var(--warn);animation:hintpulse 1.4s ease-in-out infinite}
@keyframes hintpulse{50%{box-shadow:0 0 0 4px color-mix(in srgb,var(--warn) 30%,transparent)}}
.ev.flash-ok{animation:evok .6s ease-out}
.ev.flash-no{animation:evno .45s ease-in-out}
@keyframes evok{0%{transform:scale(.96);box-shadow:0 0 0 0 var(--good)}100%{transform:none;box-shadow:0 0 0 10px transparent}}
@keyframes evno{20%,60%{transform:translateX(-5px)}40%,80%{transform:translateX(5px)}0%,100%{border-color:var(--bad)}}

.lkp .qtext{font-size:16px;line-height:1.6}
.lslots{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0}
.lslots span{border:1.5px dashed var(--line);border-radius:8px;padding:3px 10px;font-size:14px;color:var(--muted)}
.lslots span.got{border:1.5px solid var(--bad);color:var(--fg);background:color-mix(in srgb,var(--bad) 12%,transparent)}
.lfb{margin:6px 0 0;font-size:15px;color:var(--muted)}
.lfb.ok{color:var(--good)}
.lfb.no{color:var(--bad)}
.lrisk{margin-top:8px;display:grid;gap:4px;border-inline-start:3px solid var(--bad);padding-inline-start:10px}
.lrisk p{margin:0;font-size:14px;color:var(--muted)}
.lrisk b{color:var(--good)}
.lrisk b.no{color:var(--bad)}
.lnext{margin-top:10px}

/* the scripted simulation */
.simwrap{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:18px;align-items:start}
.term{padding:14px 16px;min-height:260px;font-size:15px;line-height:1.6;display:grid;gap:6px;align-content:start;background:repeating-linear-gradient(0deg,transparent 0 3px,rgba(183,148,255,.025) 3px 4px)}
.term>div{display:grid;grid-template-columns:18px 1fr;gap:8px;animation:lineIn .35s ease-out}
.term .pr{font-weight:700;text-align:center}
.tl-sys{color:var(--muted)}
.tl-hit{color:var(--fg)}
.tl-hit .pr{color:var(--bad)}
.tl-block .pr{color:var(--good)}
.tl-block{color:var(--good)}
@keyframes lineIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.verdict{margin:0 14px 14px;display:flex;gap:12px;align-items:center;border-radius:12px;padding:12px 14px;animation:lineIn .4s ease-out}
.verdict .vi svg{display:block;width:34px;height:34px;fill:none;stroke-width:2;stroke-linecap:round}
.verdict b{font-family:var(--f-display);font-size:20px;display:block;line-height:1.4}
.verdict p{margin:0;font-size:15px;color:var(--muted)}
.verdict.bad{background:color-mix(in srgb,var(--bad) 13%,transparent);border:1px solid color-mix(in srgb,var(--bad) 50%,transparent)}
.verdict.bad b{color:var(--bad)}
.verdict.bad svg{stroke:var(--bad)}
.verdict.bad circle{fill:var(--bad);stroke:none}
.verdict.good{background:color-mix(in srgb,var(--good) 12%,transparent);border:1px solid color-mix(in srgb,var(--good) 45%,transparent)}
.verdict.good b{color:var(--good)}
.verdict.good svg{stroke:var(--good)}
.verdict.good circle{fill:var(--good);stroke:none}
.modes{border-top:1px solid var(--feed-line);padding:12px 14px}
.modes p{margin:0 0 8px;font-size:14px;color:var(--muted)}
.modes>div{display:flex;flex-wrap:wrap;gap:8px}
.modes .btn{padding:8px 14px;font-size:14px}
.chain h3{font-family:var(--f-display);font-size:19px;margin:0}
.chain .sub{margin:0 0 10px;font-size:14px;color:var(--muted)}
.chain ol{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.chain li{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:8px 10px;font-size:14px}
.c-src{display:flex;gap:3px}
.c-src img,.c-src i{width:32px;height:32px;border-radius:7px;object-fit:cover;flex:none}
.c-src i{display:grid;place-items:center;font-style:normal;background:var(--surface2);color:var(--accent)}
.c-f{color:var(--fg);position:relative;padding-inline-start:16px}
.c-f::before{content:"←";position:absolute;inset-inline-start:0;color:var(--muted)}
.c-l{font-weight:700;color:var(--bad);white-space:nowrap}
.c-l::before{content:"← ";color:var(--muted);font-weight:400}

/* lightbox */
.lb{position:fixed;inset:0;z-index:40;background:rgba(8,4,18,.92);display:grid;place-items:center;padding:max(16px,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) max(16px,env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));cursor:zoom-out}
.lb img{max-width:min(96vw,900px);max-height:88vh;border-radius:12px}

/* results */
.res{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;margin-top:18px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px}
.res-score{font-family:var(--f-mono);font-size:56px;font-weight:700;color:var(--accent);line-height:1.1}
.rank{font-family:var(--f-display);font-weight:800;font-size:28px;margin:6px 0}
.res-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:14px 0}
.res-grid div{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:10px}
.res-grid small{display:block;color:var(--muted);font-size:13px}
.res-grid b{font-family:var(--f-mono);font-size:20px}
.share{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.sharetext{margin-top:12px;background:var(--bg2);border:1px dashed var(--line);border-radius:10px;padding:10px 12px;font-size:15px;color:var(--muted);user-select:all}
.lessons{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.lessons li{display:grid;grid-template-columns:auto 1fr;gap:10px;font-size:16px}
.lessons li span{font-family:var(--f-mono);color:var(--accent);font-size:14px;padding-top:3px}
.lessons h3{font-family:var(--f-display)}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--accent);color:var(--accent-ink);padding:8px 16px;border-radius:10px;font-weight:700;z-index:50}

@media (max-width:860px){
  .game{grid-template-columns:1fr}
  .side{position:sticky;top:0;z-index:20;order:-1;max-height:none;overflow:visible;margin-inline:-16px;padding:8px 16px 0;background:var(--bg)}
  .side .case{display:none}
  .qp{margin-bottom:8px;padding:12px 14px}
  .case-m{display:block}
  .case ul{grid-template-columns:1fr 1fr;column-gap:14px}
  .hero,.res,.simwrap{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .evs{grid-template-columns:repeat(2,minmax(0,1fr))}
  .file{transform:none}
}
@media (max-width:640px){
  .steps{grid-template-columns:1fr}
  .case ul{grid-template-columns:1fr}
  .qtext{font-size:16px}
  .opt{padding:8px 10px;font-size:14px}
  .lkp .qtext{font-size:15px}
  .lrisk p{font-size:13px;line-height:1.6}
  .locks{grid-template-columns:1fr;gap:8px;padding:10px}
  .lock{padding:8px 10px}
  .shield{width:110px}
  .term{font-size:14px;min-height:0}
  .chain li{grid-template-columns:auto 1fr;}
  .c-l{grid-column:2}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}