:root{--bg:#070b0e;--ink:#eef3f4;--mut:#9fb0b5;--pn:#0f181d;--line:#22333a;--rail:#16323c;--teal:#6fd3e0;--teal-s:#12303a;--art:#ff6b78;--ven:#5b8cff;--gold:#ffc247;--ok:#4ff08e;--bad:#ff6b78;--pri:#3b9bff;--r:12px;
--disp:"Barlow Condensed","Arial Narrow",system-ui,sans-serif;--body:Barlow,system-ui,-apple-system,"Segoe UI",sans-serif}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 var(--body)}
h1,h2,h3{font-family:var(--disp);line-height:1.08;margin:0 0 .45em;letter-spacing:.01em}
h1{font-size:clamp(2rem,3.8vw,3rem);font-weight:700}
h2{font-size:1.5rem;font-weight:600}
h3{font-size:1.15rem;font-weight:600;margin-top:1.1em}
p{margin:0 0 .8em}
a{color:var(--teal)}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.muted{color:var(--mut);font-size:.92rem}
hr{border:0;border-top:1px solid var(--line);margin:1.1rem 0}
label{display:block;font-weight:600;margin:.8em 0 .3em}

/* shell */
.top{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:22px;padding:10px 26px;background:rgba(7,11,14,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font:700 1.7rem/1 var(--disp);letter-spacing:.08em}
.logo svg{width:46px;height:20px;fill:none;stroke:var(--art);stroke-width:2.6;stroke-linejoin:round;stroke-linecap:round}
.nav{display:flex;gap:4px;flex:1}
.nav-i{display:flex;align-items:center;gap:8px;padding:8px 13px;border-radius:8px;color:var(--mut);text-decoration:none;font-weight:600}
.nav-i:hover{color:#fff;background:#131f25}
.nav-i.on{color:#07101a;background:#fff}
.ico{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.hud{display:flex;align-items:center;gap:20px;text-align:right}
.hud div b{display:block;font:700 1.7rem/1 var(--disp)}
.hud div span{font-size:.72rem;color:var(--mut);white-space:nowrap}
.v1 b{color:var(--ok)}.v2 b{color:var(--pri)}.v3 b{color:var(--gold)}
.acct{display:flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:8px;padding:8px 12px;color:var(--ink);text-decoration:none;font-weight:600;min-height:44px}
.acct:hover{border-color:#fff}
#view{padding:30px clamp(16px,3.4vw,46px) 70px;max-width:1280px;margin:0 auto;outline:0}
.vh{margin-bottom:18px}
.vh p{color:var(--mut);max-width:70ch;margin:0}
.bar{height:8px;border-radius:99px;background:#1c2a31;overflow:hidden}
.bar i{display:block;height:100%;background:var(--pri);border-radius:99px;transition:width .4s ease}
.note{border-radius:8px;padding:9px 13px;min-height:0;margin:.6em 0}
.note:empty{display:none}
.note.bad{background:#32151a;color:#ffb3bb}.note.good{background:#0f2a1c;color:#9df0c0}

/* pieces */
.pn{background:var(--pn);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.grid2{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:18px;align-items:start}
.side{position:sticky;top:18px;max-height:calc(100vh - 36px);overflow:auto}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.btn{border:1.5px solid var(--ink);background:transparent;border-radius:99px;padding:9px 18px;font-weight:700;cursor:pointer;text-decoration:none;color:var(--ink);display:inline-block;line-height:1.2}
.btn:hover{background:var(--ink);color:#fff}
.btn.pri{background:var(--pri);border-color:var(--pri);color:#04121f}
.btn.pri:hover{background:#7dbdff;border-color:#7dbdff;color:#04121f}
.btn.sm{padding:6px 13px;font-size:.88rem;border-width:1px;font-weight:400}
.btn.big{padding:14px 28px;font-size:1.1rem;min-width:110px}
.btn.warn{background:var(--bad);border-color:var(--bad);color:#fff}
.btn:disabled{opacity:.5;cursor:default;background:transparent;color:var(--ink);border-color:var(--line)}
.inp{border:1.5px solid var(--ink);border-radius:99px;padding:9px 16px;background:#131f25;min-width:0;width:220px}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.tab{border:0;background:transparent;padding:8px 14px;border-radius:99px;cursor:pointer;color:var(--mut);font-weight:700}
.tab:hover{background:#1c2a31;color:var(--ink)}
.tab.on{background:var(--ink);color:#fff}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin:10px 0}
.chip{border:1px solid var(--line);background:#131f25;border-radius:99px;padding:5px 12px;font-size:.9rem;cursor:pointer;display:inline-flex;align-items:center;gap:7px}
.chip:hover{border-color:var(--ink)}
.chip.seen{background:var(--teal-s);border-color:#1f5560}
.chip.on{background:var(--ink);border-color:var(--ink);color:#fff}
.chip:disabled{opacity:.35;cursor:default;text-decoration:line-through}
.tag{display:inline-block;font-size:.84rem;color:var(--teal);font-weight:700;margin:0 0 6px}
.tag.good{color:var(--ok)}.tag.no{color:var(--bad)}
.facts{padding-left:1.15em;margin:0 0 1em}
.facts li{margin:.32em 0}
.facts li::marker{color:var(--art)}
.pearl{background:#2b2512;border-left:4px solid var(--gold);border-radius:0 10px 10px 0;padding:11px 14px;margin:1em 0}
.pearl b{font-family:var(--disp)}
.pearl p{margin:.2em 0 0}
.kv{display:grid;grid-template-columns:auto 1fr;gap:5px 14px;margin:0 0 1em}
.kv dt{color:var(--mut)}.kv dd{margin:0;font-weight:700}
.read{display:grid;grid-template-columns:repeat(auto-fit,minmax(118px,1fr));gap:10px;margin:14px 0}
.read div{background:#131f25;border-radius:10px;padding:9px 12px}
.read b{display:block;font:700 1.25rem var(--disp)}
.read b.up{color:var(--ok)}.read b.dn{color:var(--bad)}
.read span{font-size:.8rem;color:var(--mut)}
.pill{display:inline-block;border-radius:99px;padding:4px 12px;font-size:.88rem;font-weight:700}
.pill.open{background:#0f2a1c;color:#7be0a8}.pill.shut{background:#32151a;color:#ff9aa5}
.valves{display:flex;gap:8px;flex-wrap:wrap;margin:.6em 0 1em}
.opts{display:grid;gap:9px;margin:14px 0}
.opt{text-align:left;border:1.5px solid var(--line);background:#131f25;border-radius:12px;padding:12px 14px;cursor:pointer;display:flex;gap:12px;align-items:baseline}
.opt:hover:not(:disabled){border-color:var(--ink);background:#131f25}
.opt kbd{font:700 .8rem var(--body);border:1px solid var(--line);border-radius:6px;padding:1px 7px;color:var(--mut);flex:none}
.opt.ok{border-color:var(--ok);background:#0f2a1c}
.opt.bad{border-color:var(--bad);background:#32151a}
.opt.dim{opacity:.5}
.opt:disabled{cursor:default;color:var(--ink)}
.g-score{font-weight:700;margin:.7em 0 .3em;display:flex;align-items:center;gap:6px}
.g-msg{min-height:3em}.g-msg.good{color:var(--ok);font-weight:700}.g-msg.no{color:var(--bad)}
.back{display:inline-block;margin-bottom:10px;font-weight:700;text-decoration:none}
.back::before{content:"\2039\00a0"}

/* toasts + confetti */
#toasts{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;align-items:flex-end;gap:8px;z-index:50;pointer-events:none}
.toast{background:var(--ink);color:#fff;border-radius:12px;padding:10px 16px;box-shadow:0 8px 24px rgba(12,56,64,.28);animation:tin .28s ease;max-width:300px}
.toast b{display:block;font-family:var(--disp)}
.toast span{font-size:.85rem;opacity:.85}
.toast.gold{background:var(--gold);color:#2b2200}
.toast.mini{padding:5px 12px;align-self:flex-end}
.toast.out{opacity:0;transform:translateY(8px);transition:.4s}
@keyframes tin{from{opacity:0;transform:translateY(12px)}}
.cf-box{position:fixed;inset:0;pointer-events:none;z-index:60;overflow:hidden}
.cf-box i{position:absolute;top:-14px;width:9px;height:14px;border-radius:2px;animation:cf linear forwards}
@keyframes cf{to{transform:translate(var(--dx),105vh) rotate(var(--r))}}

/* heart diagram */
.heart-svg{width:100%;height:auto;display:block;touch-action:manipulation}
.h-muscle{fill:#c9596b;stroke:#7d2536;stroke-width:3}
.v-blue{fill:#4d78d8;stroke:#243f8f;stroke-width:3;stroke-linejoin:round}
.v-red{fill:#e04a50;stroke:#8f1d2c;stroke-width:3;stroke-linejoin:round}
.nostroke{stroke:none}.v-edge-red{fill:none;stroke:#8f1d2c;stroke-width:3}
.c-blue{fill:#6f97ea;stroke:#243f8f;stroke-width:2.5}
.c-red{fill:#f0686b;stroke:#8f1d2c;stroke-width:2.5}
.h-leaf{fill:none;stroke:#fff8ec;stroke-width:5;stroke-linecap:round}
.h-chord{fill:none;stroke:#fff8ec;stroke-width:1.4;opacity:.8}
.h-pap{fill:#c9596b;stroke:#7d2536;stroke-width:2}
.h-hit{fill:none;stroke:transparent;stroke-width:24;stroke-linecap:round}
.h-names text{font:700 20px var(--disp);fill:#fff;text-anchor:middle;pointer-events:none}
.st{cursor:pointer;transition:filter .15s}
.st:hover{filter:brightness(1.13)}
.st.sel{filter:drop-shadow(0 0 2px #ffd23f) drop-shadow(0 0 7px #ffd23f) brightness(1.08)}
.st.sel .h-hit{stroke:rgba(255,210,63,.6)}
.st.ok{filter:drop-shadow(0 0 2px #3ddc84) drop-shadow(0 0 8px #3ddc84)}.st.ok .h-hit{stroke:rgba(61,220,132,.65)}
.st.bad{filter:drop-shadow(0 0 2px #ff3b55) drop-shadow(0 0 8px #ff3b55)}.st.bad .h-hit{stroke:rgba(255,59,85,.6)}
.ov{display:none}
[data-mode=cond] .ov-cond,[data-mode=cor] .ov-cor,[data-mode=flow] .ov-flow,.heart-svg.lab .ov-labels{display:block}
[data-mode=cond] .h-beat{opacity:.5}
[data-mode=cor] .c-blue,[data-mode=cor] .c-red,[data-mode=cor] .h-leaf,[data-mode=cor] .h-chord,[data-mode=cor] .h-pap,[data-mode=cor] .h-names{opacity:.1}
[data-mode=cor] .h-beat .st,[data-mode=cond] .h-beat .st{pointer-events:none}
[data-mode=label] .h-names,[data-mode=order] .h-names{display:none}
.cd{fill:none;stroke:#a8915a;stroke-width:4.5;stroke-linecap:round;transition:stroke .2s,filter .2s}
.cd-node{fill:#a8915a;stroke:#3d3000;stroke-width:2;transition:.2s;transform-box:fill-box;transform-origin:center}
.c-sa [data-id=san] .cd-node,.c-avn [data-id=avn] .cd-node{fill:#fff;transform:scale(1.7);filter:drop-shadow(0 0 8px #ffd23f)}
.c-atria .cd-atria,.c-his .cd-his,.c-his .cd-bb,.c-purk .cd-purk{stroke:#ffd23f;filter:drop-shadow(0 0 5px #ffd23f)}
.co{fill:none;stroke-width:8;stroke-linecap:round}
.co.dash{stroke-dasharray:2 11;stroke-width:6}
.co-rca{stroke:#12b5a5}.co-lad{stroke:#ffa51f}.co-lcx{stroke:#b48cff}.co-lms{stroke:#fff}
.pt{stroke:#fff;stroke-width:1.5;pointer-events:none}.pt-blue{fill:#1c3fa8}.pt-red{fill:#a80f24}
.ov-labels line{stroke:var(--ink);stroke-width:1.2}.ov-labels circle{fill:var(--ink)}
.ov-labels text{font:700 15px var(--body);fill:var(--ink)}
.ov-labels{pointer-events:none}
.heart-svg.beat .h-beat{animation:beat 1.05s ease-in-out infinite;transform-origin:330px 420px}
@keyframes beat{0%,100%{transform:scale(1)}12%{transform:scale(1.022)}26%{transform:scale(.995)}}
.hero-heart .st{cursor:default;pointer-events:none}
.ex-stage{position:relative;padding:10px}
.ex-tip{position:absolute;background:var(--ink);color:#fff;padding:4px 10px;border-radius:8px;font-size:.88rem;pointer-events:none;white-space:nowrap;z-index:5}
.ex-tools{position:absolute;left:14px;bottom:12px}
.steps{list-style:none;counter-reset:s;padding:0;margin:1em 0}
.steps li{counter-increment:s;display:grid;grid-template-columns:30px 1fr;column-gap:8px;padding:7px 8px;border-radius:10px;cursor:pointer}
.steps li::before{content:counter(s);grid-row:span 3;width:26px;height:26px;border-radius:50%;background:#1c2a31;display:grid;place-items:center;font-weight:700;font-size:.85rem}
.steps li em{font-style:normal;color:var(--teal);font-size:.86rem;font-weight:700}
.steps li span{color:var(--mut);font-size:.9rem;display:none}
.steps li.on{background:#2b2512}
.steps li.on::before{background:var(--gold)}
.steps li.on span{display:block}
.mini-ecg{width:100%;background:#131f25;border-radius:10px}
.mini-ecg path{fill:none;stroke:var(--ink);stroke-width:1.8;stroke-linejoin:round}
.mini-ecg rect{fill:var(--gold);opacity:.55;transition:.25s}
.legend{display:flex;flex-direction:column;gap:6px;align-items:flex-start;margin-bottom:10px}
.legend .chip i{width:22px;height:6px;border-radius:3px;display:block}
.lg-rca i{background:#12b5a5}.lg-lad i{background:#ffa51f}.lg-lcx i{background:#b48cff}.lg-lms i{background:#131f25;border:1px solid var(--ink)}
.seq{padding-left:1.4em;columns:2;column-gap:24px;margin:.8em 0}
.seq li{margin:.15em 0;font-weight:700}
.life{width:16px;height:16px;border-radius:50%;background:var(--art);display:inline-block}
.life.gone{background:#1c2a31}
.shake{animation:shake .32s}
@keyframes shake{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}

/* cardiac cycle */
.wig{width:100%;height:auto;display:block}
.scroll-x{overflow-x:auto}
.ph rect{fill:transparent;cursor:pointer}
.ph:nth-of-type(odd) rect{fill:#131f25}
.ph.on rect{fill:#3a3214}
.ph text{font:700 13px var(--body);fill:var(--mut);text-anchor:middle;pointer-events:none}
.gr{stroke:#22333a;stroke-width:1}
.ax{font:12px var(--body);fill:var(--mut);text-anchor:end}.ax.mid{text-anchor:middle}
.axl{font:12px var(--body);fill:var(--mut);text-anchor:middle}
.cv{fill:none;stroke-width:2.6;stroke-linejoin:round;pointer-events:none}
.cv-ao{stroke:var(--art)}.cv-lv{stroke:var(--ink)}.cv-la{stroke:#ffc247}.cv-vol{stroke:var(--ink)}.cv-ecg{stroke:var(--teal);stroke-width:2}.cv-pcg{stroke:var(--mut);stroke-width:1.4}
.cl{font:700 13px var(--body);pointer-events:none}.cl-ao{fill:var(--art)}.cl-lv{fill:var(--ink)}.cl-la{fill:#ffc247}
.ev{fill:#fff;stroke:var(--ink);stroke-width:2;pointer-events:none}
.evt{font:12px var(--body);fill:var(--ink);pointer-events:none}
.cur{stroke:var(--art);stroke-width:2;pointer-events:none}
.ctl{margin-top:12px;flex-wrap:nowrap}
.ctl input{flex:1;min-width:0}
.ctl output{width:62px;text-align:right;font-weight:700}
input[type=range]{accent-color:var(--art);height:28px}

/* ecg */
.mon-h{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.mon-h b{font:700 1.15rem var(--disp)}
.mon-h span{color:var(--mut)}
.paper{--sq:25px;border-radius:10px;overflow:hidden;border:1px solid #eba5a5;background-color:#fff7f5;background-image:linear-gradient(#efa6a6 1px,transparent 1px),linear-gradient(90deg,#efa6a6 1px,transparent 1px),linear-gradient(#f9d9d7 1px,transparent 1px),linear-gradient(90deg,#f9d9d7 1px,transparent 1px);background-size:var(--sq) var(--sq),var(--sq) var(--sq),calc(var(--sq)/5) calc(var(--sq)/5),calc(var(--sq)/5) calc(var(--sq)/5)}
.paper canvas{display:block;width:100%}
.pick{margin-top:14px}

/* sounds */
.snd-top{display:flex;gap:16px;align-items:center;margin-bottom:10px}
.snd-top b{display:block;font:700 1.15rem var(--disp)}
.snd-top span{color:var(--mut)}
.phono{width:100%;background:#131f25;border-radius:10px;display:block}
.pc-b{stroke:#3a4f58}.pc-s{fill:none;stroke:var(--ink);stroke-width:1.6}
.pc-m{fill:rgba(215,38,61,.28);stroke:var(--art);stroke-width:1.2}
.pc-h{stroke:var(--art);stroke-width:2}
.phono text{font:700 12px var(--body);fill:var(--mut);text-anchor:middle}
.chest{width:100%;max-width:250px;display:block;margin:6px auto}
.ch-b{fill:#131f25;stroke:var(--line);stroke-width:2}
.ch-l,.ch-r{fill:none;stroke:#3a4f58;stroke-width:1.6}
.ch-d{fill:#3a4f58}.ch-d.on{fill:var(--art)}
.ch-ring{fill:none;stroke:var(--art);stroke-width:2;animation:ring 1.4s ease-out infinite;transform-box:fill-box;transform-origin:center}
@keyframes ring{to{transform:scale(2.6);opacity:0}}
.chest text{font:10px var(--body);fill:var(--mut)}

/* pump lab */
.pv{width:100%;height:auto;display:block}
.pv-ed,.pv-es{fill:none;stroke:var(--mut);stroke-width:1.5;stroke-dasharray:5 5}
.pv-ghost{fill:none;stroke:#4a626c;stroke-width:2;stroke-dasharray:3 5}
.pv-loop{fill:rgba(215,38,61,.14);stroke:var(--art);stroke-width:3.2;stroke-linejoin:round}
.pv-sv{stroke:var(--ink);stroke-width:2}
.pv-t{font:700 12px var(--body);fill:var(--ink);text-anchor:middle}
.pv-c{font:11px var(--body);fill:var(--mut)}
.sliders label{display:block;margin-bottom:10px}
.sliders span{display:flex;justify-content:space-between;font-weight:700;font-size:.95rem}
.sliders output{color:var(--teal);font-weight:400}
.sliders input{width:100%;display:block}
.why{background:#131f25;border-radius:10px;padding:10px 13px;font-size:.94rem}
.chal{list-style:none;padding:0;margin:0}
.chal li{padding:7px 0 7px 30px;position:relative;border-top:1px solid var(--line)}
.chal li::before{content:"";position:absolute;left:2px;top:9px;width:17px;height:17px;border-radius:50%;border:2px solid var(--line)}
.chal li.done{color:var(--ok);font-weight:700}
.chal li.done::before{background:var(--ok);border-color:var(--ok)}

/* notes */
.topic-sec{margin-bottom:22px}
.topics{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.topic{background:var(--pn);border:1px solid var(--line);border-radius:var(--r);padding:15px 16px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:4px}
.topic:hover{border-color:var(--ink)}
.topic b{font:700 1.08rem/1.2 var(--disp)}
.topic span{color:var(--mut);font-size:.88rem;flex:1}
.topic i{font-style:normal;font-size:.82rem;color:var(--mut)}
.topic.done{border-left:5px solid var(--ok)}
.topic.done i{color:var(--ok);font-weight:700}
.reader{max-width:760px;padding:clamp(20px,4vw,40px);font-size:1.05rem;line-height:1.65}
.reader section{margin-top:1.5em}
.reader h2{border-bottom:2px solid var(--ink);padding-bottom:5px}
.reader-end{margin-top:2em;padding-top:1.2em;border-top:1px solid var(--line)}

/* quiz */
.q-setup h2{margin-top:.4em}
.modes{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}
.mode{text-align:left;border:1.5px solid var(--ink);background:#131f25;border-radius:var(--r);padding:16px;cursor:pointer}
.mode:hover{background:var(--ink);color:#fff}
.mode b{display:block;font:700 1.2rem var(--disp);margin-bottom:4px}
.mode span{font-size:.92rem;opacity:.8}
.q-wrap{max-width:760px}
.q-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-weight:700;margin-bottom:8px}
.q-top .back{margin:0;font-weight:400}
.combo{color:var(--mut);font-weight:400}
.combo.hot{color:var(--art);font-weight:700}
.q-card{margin-top:14px}
.q-card h2{font-size:1.32rem;line-height:1.3;font-weight:700}
.q-exp{border-radius:12px;padding:12px 15px;margin-bottom:12px}
.q-exp.good{background:#0f2a1c}.q-exp.no{background:#32151a}
.q-exp p{margin:.3em 0 0}
.result{max-width:760px;text-align:left}
.ring{width:130px;display:block;margin-bottom:10px}
.ring circle{fill:none;stroke:#1c2a31;stroke-width:10}
.ring .rv{stroke:var(--art);stroke-linecap:round;transform:rotate(-90deg);transform-origin:60px 60px}
.ring text{font:800 26px var(--disp);text-anchor:middle;fill:var(--ink)}
.review{list-style:none;padding:0;margin:0}
.review li{border-top:1px solid var(--line);padding:12px 0}
.review b{display:block}
.review span{color:var(--ok);font-weight:700}
.review p{color:var(--mut);margin:.2em 0 0;font-size:.94rem}

/* flashcards */
.boxes{display:flex;gap:4px;margin:6px 0 18px;max-width:640px}
.bx{min-width:54px;border-radius:8px;padding:6px 8px;background:#1c2a31;font-size:.78rem;overflow:hidden;white-space:nowrap}
.bx b{display:block;font:700 1.05rem var(--disp)}
.bx1{background:#32151a}.bx2{background:#3a2f14}.bx3{background:#3a3214}.bx4{background:#0f2a1c}.bx5{background:#12402a}
.fc-area{max-width:640px}
.fc{display:block;width:100%;height:300px;border:0;background:none;padding:0;cursor:pointer;perspective:1200px;text-align:center}
.fc-in{display:block;position:relative;width:100%;height:100%;transition:transform .5s cubic-bezier(.3,.8,.3,1);transform-style:preserve-3d}
.fc.flip .fc-in{transform:rotateY(180deg)}
.fc-f,.fc-b{position:absolute;inset:0;border-radius:20px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:28px;backface-visibility:hidden;-webkit-backface-visibility:hidden;border:1px solid var(--line)}
.fc-f{background:#131f25}
.fc-b{background:var(--rail);color:#fff;transform:rotateY(180deg);border-color:var(--rail)}
.fc i{font-style:normal;font-size:.86rem;color:var(--teal);font-weight:700}
.fc-b i{color:#9fd0cc}
.fc b{font:700 clamp(1.2rem,2.6vw,1.6rem)/1.3 var(--disp)}
.fc small{color:var(--mut)}
.fc-btns{margin-top:14px;justify-content:center}
.fc-btns .btn{min-width:130px;text-align:center}
.fc-left{margin-bottom:8px}


/* overrides for the dark theme */
.btn{border-radius:8px;border-color:var(--line);background:#131f25;display:inline-flex;align-items:center;justify-content:space-between;gap:14px;min-height:46px}
.btn:hover{background:#1c2a31;color:#fff;border-color:#fff}
.btn small{color:var(--mut);font-weight:500;font-size:.8rem}
.btn.pri small{color:#04121f}
.btn.sm{min-height:36px}
.btn.warn{background:var(--bad);border-color:var(--bad);color:#2a0509}
.btn:disabled{background:#131f25;color:var(--mut)}
.inp{border-radius:8px;border:1px solid var(--line);background:#131f25;width:100%;max-width:340px;min-height:46px}
.tab{border-radius:8px}.tab:hover{background:#131f25;color:#fff}
.tab.on,.chip.on{background:#fff;color:#07101a;border-color:#fff}
.chip{border-radius:8px}
.ex-tip{background:#fff;color:#07101a}
.toast{background:#fff;color:#07101a;box-shadow:0 8px 28px rgba(0,0,0,.5)}
.toast.gold{background:var(--gold);color:#2b2200}
.steps li.on::before{color:#07101a}
.pearl{color:#f4e3bd}
.opt{border-color:var(--line)}
.opt:hover:not(:disabled){border-color:#fff;background:#18262d}
.mode{border-color:var(--line);border-radius:var(--r)}.mode:hover{background:#18262d;color:#fff;border-color:#fff}
.bx{background:#1c2a31}.bx1{background:#3a1820}.bx2{background:#3a2f14}.bx3{background:#35340f}.bx4{background:#143326}.bx5{background:#12402a}
.fc-f{background:#131f25}.fc-b{background:var(--rail);border-color:#2a5563}
.ev{fill:#07101a}
.h-names text{font-family:var(--disp)}
.paper{border-color:#3a4f58}
.pv-loop{stroke:var(--art)}
.ring .rv,.life{stroke:var(--pri)}.life{background:var(--art)}
.back{color:var(--teal)}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin-bottom:22px}
.tile{background:var(--pn);border:1px solid var(--line);border-radius:var(--r);padding:18px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:6px}
.tile:hover{border-color:#fff}
.tile .ico{width:26px;height:26px;color:var(--pri)}
.tile h2{margin:4px 0 0}
.tile p{color:var(--mut);font-size:.93rem;flex:1;margin:0 0 6px}
.tile small{color:var(--mut)}
.badges{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}
.bdg{display:grid;grid-template-columns:auto 1fr;column-gap:10px;padding:10px 12px;border-radius:8px;border:1px dashed var(--line);color:var(--mut)}
.bdg i{grid-row:span 2;font-style:normal;font-size:1.5rem;line-height:1.1}
.bdg b{font:600 1.1rem var(--disp)}
.bdg span{font-size:.82rem}
.bdg.got{border:1px solid var(--gold);background:#2b2512;color:var(--ink)}
.bdg.got i{color:var(--gold)}

/* home stage */
body.is-home{overflow:hidden}
body.is-home #app{height:100vh;height:100dvh;display:flex;flex-direction:column}
body.is-home #view{flex:1;min-height:0;width:100%}
.v-home{padding:0!important;max-width:none!important}
.stage{position:relative;height:100%;min-height:480px;background:radial-gradient(ellipse at 50% 42%,#1b2b33 0,#0b1317 46%,#05080a 100%);overflow:hidden}
.gl-host{position:absolute;inset:0}
.gl{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;cursor:grab}
.gl:active{cursor:grabbing}
.gl-host.flat{display:grid;place-items:center;padding:20px 20px 130px}
.gl-host.flat .heart-svg{max-height:100%;width:auto;max-width:min(520px,90%)}
.pins{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.pin{position:absolute;transform:translate(-11px,-50%);display:flex;align-items:center;gap:8px;background:none;border:0;padding:6px 0;color:var(--ink);font:600 14px var(--body);cursor:pointer;pointer-events:auto;transition:opacity .25s;min-height:44px}
.pin i{width:22px;height:22px;border-radius:50%;border:2px solid #fff;background:rgba(59,155,255,.55);box-shadow:0 0 0 5px rgba(59,155,255,.18);flex:none}
.pin span{background:rgba(14,22,27,.85);border:1px solid var(--line);border-radius:6px;padding:3px 9px;white-space:nowrap}
.pin.on i{background:#fff}
.pin.hid{opacity:0;pointer-events:none}
.nolabels .pin span{display:none}
#load{position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);color:var(--mut)}
.stage .left{position:absolute;left:28px;top:46%;transform:translateY(-50%);width:300px;display:flex;flex-direction:column;gap:10px}
.stage .left h1{font-size:2.9rem;margin:0}
.stage .left p{margin:0 0 8px;color:var(--mut)}
.stage .left .btn{background:rgba(14,22,27,.85);backdrop-filter:blur(6px)}
.stage .left .btn.pri{background:var(--pri)}
.nameform label{margin-top:0}
.banner{background:#2b2512;border:1px solid var(--gold);border-radius:10px;padding:12px 14px;display:flex;flex-direction:column;gap:6px}
.banner span{color:#f4e3bd;font-size:.92rem}
.stage .card{position:absolute;right:28px;top:46%;transform:translateY(-50%);width:300px;background:rgba(14,22,27,.85);border:1px solid var(--line);border-radius:10px;padding:18px;backdrop-filter:blur(8px)}
.stage .card h2{margin:0 0 2px}
.stage .card .k{color:var(--pri);font-size:.82rem;font-weight:600}
.stage .card ul{padding-left:18px;margin:10px 0}
.stage .card li{margin:5px 0}
.stage .card .pearl{background:none;border-left:3px solid var(--gold);border-radius:0;padding:2px 0 2px 10px;margin:0;font-size:.95rem}
.stage .tools{position:absolute;left:50%;transform:translateX(-50%);bottom:116px;display:flex;gap:8px}
.tg{border:1px solid var(--line);background:rgba(14,22,27,.85);color:var(--ink);border-radius:99px;padding:8px 14px;min-height:44px;font:600 14px var(--body);cursor:pointer;white-space:nowrap}
.tg[aria-pressed=true]{background:#fff;color:#07101a;border-color:#fff}
.tg:disabled{opacity:.45;cursor:default}
.stage .mon{position:absolute;left:0;right:0;bottom:0;height:100px;border-top:1px solid var(--line);background:rgba(4,8,10,.88);display:flex;align-items:center;gap:18px;padding:0 28px}
.stage .mon canvas{flex:1;height:80px;min-width:0}
.hr{text-align:right;color:var(--ok)}
.hr b{display:block;font:700 3.2rem/1 var(--disp)}
.hr span{font-size:.8rem}

/* map */
.floors{display:flex;flex-direction:column;gap:10px;max-width:820px}
.floor{display:flex;align-items:center;gap:16px;background:var(--pn);border:1px solid var(--line);border-radius:var(--r);padding:14px 18px;text-decoration:none;color:var(--ink)}
a.floor:hover{border-color:#fff}
.floor.now{border-color:var(--pri);box-shadow:inset 4px 0 0 var(--pri)}
.floor.locked{opacity:.55}
.fl-n{font:700 2.4rem/1 var(--disp);width:42px;color:var(--mut)}
.floor.now .fl-n{color:var(--pri)}
.fl-t{flex:1;display:flex;flex-direction:column}
.fl-t b{font:600 1.45rem/1.1 var(--disp)}
.fl-t span{color:var(--mut);font-size:.93rem}
.fl-r{display:flex;flex-direction:column;align-items:flex-end;gap:2px;color:var(--mut)}
.fl-r small{font-size:.8rem}
.stars{display:inline-flex;gap:3px}
.star{width:24px;height:24px;fill:none;stroke:#4a626c;stroke-width:1.6;stroke-linejoin:round}
.star.on{fill:var(--gold);stroke:var(--gold)}
.mapfoot{margin-top:18px}

/* shift */
.shift{max-width:1180px;margin:0 auto}
.sh-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-weight:600;margin-bottom:12px}
.sh-top .back{margin:0}
.sh-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;align-items:start}
.sh-grid.mp{grid-template-columns:minmax(0,1fr) minmax(0,1fr) 240px}
.bed-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.bed-h b{font:700 1.7rem/1 var(--disp)}
.pill.boss{background:var(--art);color:#2a0509}.pill.reg{background:#1c2a31;color:var(--mut)}
.vig{font-size:1.12rem;line-height:1.5}
.monitor{display:flex;align-items:center;gap:14px;background:#04080a;border:1px solid var(--line);border-radius:10px;padding:6px 14px;margin:12px 0}
.monitor canvas{flex:1;height:96px;min-width:0}
.monitor .hr b{font-size:2.6rem}
.stab{margin-top:14px}
.stab>div:first-child{display:flex;justify-content:space-between;font-weight:600;font-size:.92rem;margin-bottom:5px}
.stabbar{height:14px}
.stabbar i{background:var(--ok);transition:none}
.stabbar.low i{background:var(--art)}
.ask h2{font-size:1.6rem;line-height:1.2}
.pw{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.board h3{margin-top:0}
.lane{display:grid;grid-template-columns:1fr;gap:4px;margin-bottom:12px;font-size:.92rem}
.lane b{font-weight:600;color:var(--mut)}
.lane.me span:first-child{color:var(--pri);font-weight:700}
.result{max-width:820px;margin:0 auto}
.result .star{width:44px;height:44px}
.result .stars{margin-bottom:10px}

/* friends */
.duo{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-bottom:16px}
.duo form .btn{margin-top:16px}
.inp.code{font:700 2rem var(--disp);letter-spacing:.3em;text-transform:uppercase;max-width:200px;text-align:center}
.bigcode{font:700 5.5rem/1 var(--disp);letter-spacing:.18em;color:var(--gold);margin-bottom:6px}
.lobby .row{margin-top:14px}
.plist{list-style:none;padding:0;margin:0 0 14px}
.plist li{display:flex;align-items:center;gap:12px;padding:9px 0;border-top:1px solid var(--line)}
.plist i{width:36px;height:36px;border-radius:50%;background:#1c2a31;display:grid;place-items:center;font:700 1.1rem var(--disp);font-style:normal}
.plist span{flex:1;font-weight:600}
.plist small{color:var(--mut)}
.podium{list-style:none;padding:0;margin:0 0 16px}
.podium li{display:grid;grid-template-columns:48px 1fr auto 100px;gap:12px;align-items:center;padding:12px 0;border-top:1px solid var(--line);font-weight:600}
.podium li b{font:700 2rem/1 var(--disp);color:var(--mut)}
.podium li:first-child b{color:var(--gold)}
.podium li.me span:nth-child(2){color:var(--pri)}
.podium small{color:var(--mut);text-align:right}

@media (max-width:1000px){.grid2{grid-template-columns:minmax(0,1fr)}.side{position:static;max-height:none}.sh-grid,.sh-grid.mp{grid-template-columns:minmax(0,1fr)}}
@media (max-width:900px){
  .top{padding:8px 12px;gap:10px;flex-wrap:wrap}
  .logo{font-size:1.35rem}.logo svg{width:34px}
  .nav{order:3;flex-basis:100%;justify-content:space-between;gap:2px}
  .nav-i{flex:1;justify-content:center;padding:7px 4px;font-size:.82rem;gap:5px}
  .nav-i .ico{width:17px;height:17px}
  .hud{flex:1;justify-content:flex-end;gap:12px}
  .hud div b{font-size:1.25rem}.hud div span{font-size:.62rem}
  .acct span{display:none}.acct{padding:8px}
  #view{padding:18px 14px 60px}
  .stage{min-height:0}
  .stage .left{left:12px;right:12px;top:auto;bottom:160px;transform:none;width:auto;flex-direction:row;flex-wrap:wrap;gap:8px}
  .stage .left h1,.stage .left p{display:none}
  .stage .left .btn{flex:1 1 150px;padding:9px 12px;font-size:.95rem}.stage .left .btn small{display:none}
  .stage .left .nameform,.stage .left .banner{flex-basis:100%;background:rgba(14,22,27,.92);border:1px solid var(--line);border-radius:10px;padding:12px}
  .stage .card{left:12px;right:12px;top:10px;transform:none;width:auto;max-height:38vh;overflow:auto;padding:9px 13px;cursor:pointer}
  .stage .card ul,.stage .card .pearl{display:none}.stage .card.open ul,.stage .card.open .pearl{display:block}
  .stage .card h2{font-size:1.3rem}.stage .card h2::after{content:"  tap for facts";font:500 .8rem var(--body);color:var(--mut)}.stage .card.open h2::after{content:""}
  .stage .tools{bottom:108px}.tg{padding:8px 11px;font-size:13px}
  .stage .mon{padding:0 12px;height:92px}.stage .mon canvas{height:72px}.hr b{font-size:2.4rem}
  #toasts{bottom:12px;right:12px;left:12px}
  .pn{padding:15px}.seq{columns:1}.fc{height:260px}.wig{min-width:640px}.ex-tools{position:static;margin:4px}
  .bigcode{font-size:4rem}
  .vig{font-size:1rem}.monitor canvas{height:64px}.monitor{margin:8px 0}.ask h2{font-size:1.35rem}.stab{margin-top:8px}
  .podium li{grid-template-columns:36px 1fr auto}.podium small{display:none}
  .fl-t b{font-size:1.2rem}.fl-n{font-size:1.9rem;width:30px}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important}}