@font-face{font-family:"JetBrains Mono";src:url("assets/JetBrainsMono-Regular.woff2") format("woff2");font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url("assets/JetBrainsMono-Medium.woff2") format("woff2");font-style:normal;font-weight:500 700;font-display:swap}
:root{color-scheme:dark;--page:#070707;--surface:#0b0b0b;--surface-2:#0d0d0d;--border:#1e1e1e;--strong:#2c2c2c;--text:#ededed;--muted:#8a8a8a;--white:#f2f2f2;--radius:8px;--gutter:clamp(32px,6.945vw,100px)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;background:var(--page);color:var(--text);font-family:"JetBrains Mono",monospace;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}a{color:inherit;text-decoration:none}button{color:inherit;cursor:pointer}button,a,select{-webkit-tap-highlight-color:transparent}button{border:0}p,h1,h2,h3,figure,pre{margin:0}h1,h2,h3{font-weight:500}h2{font-size:34px;line-height:1.18;letter-spacing:-.34px}h3{font-size:20px;line-height:1.4}p{color:var(--muted)}button:focus-visible,a:focus-visible,select:focus-visible{outline:2px solid var(--white);outline-offset:5px}::selection{background:var(--white);color:var(--page)}[hidden]{display:none!important}.skip-link{position:fixed;z-index:10;top:-100px;left:20px;background:var(--white);color:var(--page);padding:12px 20px}.skip-link:focus{top:12px}.site-width{max-width:1440px;margin:auto}.brand{display:inline-flex;align-items:center;gap:12px;font-size:17px;font-weight:500;line-height:1;letter-spacing:3px;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:30px;height:30px;border:1px solid var(--border);border-radius:8px;letter-spacing:0}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 24px;border:1px solid transparent;border-radius:var(--radius);background:var(--white);color:#0a0a0a;font-size:13px;font-weight:500;line-height:1.3;letter-spacing:1.56px;text-align:center;transition:background .15s,border-color .15s;white-space:nowrap}.btn:hover{background:#d9d9d9}.btn.secondary{background:var(--surface);color:var(--text);border-color:var(--strong)}.btn.secondary:hover{background:#151515;border-color:#555}.btn:disabled{background:var(--surface-2);border-color:var(--strong);color:var(--muted);cursor:default}.kicker{font-size:12px;font-weight:500;line-height:1.3;letter-spacing:3.6px;color:var(--muted)}.caption{font-size:13px;line-height:1.6;color:var(--muted)}.small{font-size:14px;line-height:23px}.badge{display:inline-flex;align-items:center;align-self:flex-start;padding:8px 12px;border:1px solid var(--strong);border-radius:var(--radius);background:var(--surface);color:var(--muted);font-size:13px;line-height:1.6;white-space:nowrap}.badge-button:hover{border-color:var(--muted)}.divider{height:1px;border:0;background:var(--border);width:100%;margin:0}.landing-nav{height:104px;padding:0 var(--gutter);display:flex;justify-content:space-between;align-items:center}.nav-links{display:flex;align-items:center;gap:28px}.nav-links>a:not(.btn){font-size:13px;color:var(--muted)}.nav-links>a:hover{color:var(--text)}.nav-links .btn{width:160px}.mobile-only{display:none}.hero{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:64px var(--gutter) 80px}.hero-copy{display:flex;flex-direction:column;align-items:flex-start;gap:24px;min-width:0}.hero h1{font-size:clamp(38px,4.167vw,60px);line-height:1.08;letter-spacing:-.6px}.hero-description{font-size:18px;line-height:1.7;max-width:560px}.hero-actions{display:flex;gap:12px}.hero-actions .btn:first-child{width:210px}.hero-actions .btn:last-child{width:254px}.hero-note{max-width:560px}.hero-meta{white-space:pre-wrap}.viewport{min-width:0;background:var(--surface);border:1px solid var(--strong);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:12px;container-type:inline-size;overflow:hidden;aspect-ratio:6/5}.viewport-toolbar,.viewport-caption{display:flex;align-items:center;justify-content:space-between;gap:10px}.viewport-toolbar .kicker,.viewport-caption .kicker{font-size:clamp(6px,2.174cqw,12px);letter-spacing:.3em;white-space:nowrap}.viewport-toolbar .window-marks{font-size:clamp(7px,2.36cqw,13px);white-space:pre;color:var(--muted)}.ascii{font-family:inherit;font-weight:400;font-size:1.812cqw;line-height:1.2;color:var(--muted);white-space:pre;letter-spacing:0;overflow:hidden;flex:none}.viewport-caption{margin-top:0}.principles{display:flex;justify-content:space-between;align-items:center;min-height:88px;padding:20px var(--gutter);border-top:1px solid var(--border);border-bottom:1px solid var(--border);gap:20px}.section{padding:100px var(--gutter);display:flex;flex-direction:column;gap:40px}.section-heading{display:flex;flex-direction:column;gap:16px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.info-card{padding:28px;min-height:218px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);display:flex;flex-direction:column;align-items:flex-start;gap:12px}.features{border-top:1px solid var(--border)}.features .cards{row-gap:40px}.scope{padding:100px var(--gutter);background:var(--surface);display:grid;grid-template-columns:440fr 720fr;gap:80px}.scope-copy{display:flex;flex-direction:column;gap:16px}.faq{gap:32px}.faq-list{display:flex;flex-direction:column;gap:32px}.faq-item{display:grid;grid-template-columns:440fr 720fr;gap:80px;padding-bottom:32px;border-bottom:1px solid var(--border)}.faq-item dt{font-size:16px;line-height:1.7}.faq-item dd{margin:0;color:var(--muted);font-size:14px;line-height:23px}.final-cta{padding:80px var(--gutter);background:var(--surface);display:flex;flex-direction:column;align-items:center;gap:24px;text-align:center}.final-cta .btn{min-width:220px}.landing-footer{min-height:112px;padding:24px var(--gutter);display:flex;justify-content:space-between;align-items:center;gap:28px}.device-notice{display:none}.app-shell{max-width:1440px;margin:auto;min-height:100vh;display:flex;flex-direction:column}.app-nav{height:97px;padding:0 64px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--border);flex-shrink:0}.app-nav .btn{width:180px}.app-nav>.kicker{text-align:center}.app-content{min-height:831px;flex:1}.app-footer{min-height:72px;padding:20px 64px;display:flex;align-items:center;justify-content:space-between;gap:24px}.login-body{padding:100px;display:grid;grid-template-columns:560fr 580fr;gap:100px;align-items:center}.login-copy{display:flex;flex-direction:column;align-items:flex-start;gap:28px}.app-title{font-size:40px;line-height:48px}.login-copy>p,.login-copy>.divider,.login-step{max-width:520px}.login-step{display:flex;flex-direction:column;gap:12px}.login-panel{padding:40px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);display:flex;flex-direction:column;gap:24px;align-items:center;text-align:center}.qr-placeholder{width:240px;height:240px;border:1px solid var(--border);border-radius:var(--radius);display:grid;place-items:center}.qr-placeholder pre{color:var(--muted);font:13px/1.65 "JetBrains Mono",monospace;white-space:pre;text-align:center}.login-panel .btn{width:300px;max-width:100%}.lobby-body{padding:64px;display:flex;flex-direction:column;align-items:stretch;gap:32px}.lobby-heading{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}.lobby-heading-copy{display:flex;flex-direction:column;gap:12px}.mode-choices{display:grid;grid-template-columns:1fr 1fr;gap:24px}.mode-card{text-align:left;min-height:216px;padding:28px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);display:flex;flex-direction:column;align-items:flex-start;gap:16px}.mode-card.selected{border-color:var(--muted)}.mode-card:hover{border-color:#555}.mode-card h2{pointer-events:none}.setup{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding:28px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}.field{display:flex;flex-direction:column;gap:12px;max-width:380px}.select-wrap{position:relative}.select-wrap::after{content:"⌄";position:absolute;right:12px;top:10px;pointer-events:none;color:var(--muted)}select{appearance:none;width:100%;height:48px;padding:0 36px 0 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--page);color:var(--text);font-size:14px;cursor:pointer}.launch{display:flex;align-items:center;gap:24px}.launch>.btn:first-child{width:240px}.launch>.btn:nth-child(2){width:160px}.control-summary{display:flex;flex-wrap:wrap;gap:20px 40px}.center-state{padding:80px;display:flex;flex-direction:column;gap:28px;justify-content:center;align-items:center;text-align:center}.busy-state{gap:32px}.center-state>.badge{align-self:center}.slot-count{font-size:60px;line-height:1.08;letter-spacing:-.6px;color:var(--muted);font-weight:500}.state-actions{display:flex;gap:16px;justify-content:center}.state-actions>.btn{min-width:208px}.busy-state .state-actions>.btn:first-child{min-width:240px}.progress-panel{width:680px;max-width:100%;padding:28px;display:flex;flex-direction:column;gap:24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.progress-row{display:flex;align-items:center;justify-content:space-between;gap:24px;font-size:14px;line-height:23px;text-align:left}.progress-row span:last-child{color:var(--muted);text-align:right}.game-body{padding:32px;display:flex;flex-direction:column;gap:20px}.game-toolbar{display:flex;align-items:flex-start;justify-content:space-between;gap:24px}.game-toolbar>.kicker{text-align:center}.game-toolbar>.btn{width:180px}.game-layout{display:grid;grid-template-columns:minmax(0,990fr) minmax(300px,362fr);gap:24px;align-items:start}.game-viewport{aspect-ratio:990/650;padding:24px;gap:12px;border-width:1.65px;border-radius:13.2px}.game-viewport .ascii{font-size:1.406cqw;line-height:1.25}.game-viewport .viewport-toolbar .kicker,.game-viewport .viewport-caption .kicker{font-size:2.174cqw}.game-viewport .window-marks{font-size:2.36cqw}.session-panel{padding:24px;min-height:590px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);display:flex;flex-direction:column;gap:24px}.team-choices{display:flex;gap:12px}.team-choices .btn{padding:0 16px;flex:1}.team-choices .btn:last-child{flex:1.6}.controls{font:14px/23px "JetBrains Mono",monospace;white-space:pre-wrap;color:var(--muted)}.toast{position:fixed;z-index:5;bottom:24px;left:50%;transform:translateX(-50%);width:max-content;max-width:calc(100% - 40px);padding:16px 24px;border:1px solid #555;border-radius:8px;background:#151515;color:var(--text);font-size:13px;box-shadow:0 8px 40px #000}.no-script{padding:60px;max-width:800px}.app-main-mobile-note{display:none}
.panel-title{font-size:20px;line-height:1.4;font-weight:500}.mode-title{font-size:34px;line-height:1.18;font-weight:500;letter-spacing:-.34px}.mode-card>.small{color:var(--muted)}.faq-list{margin-top:0;margin-bottom:0}.game-viewport .ascii{font-size:1.388cqw}.game-viewport .window-marks{line-height:1.3}.mobile-only{display:none!important}
@media(min-width:1441px){.hero{grid-template-columns:600px 600px}}
@media(max-width:1199px) and (min-width:701px){.hero{gap:28px}.hero-actions{flex-wrap:wrap}.hero-actions .btn:last-child{width:240px}.hero h1{font-size:clamp(34px,4.1vw,50px)}.hero-description{font-size:16px}.section,.scope{padding-top:72px;padding-bottom:72px}.scope,.faq-item{gap:40px}.info-card{padding:24px;min-height:240px}.login-body{padding:64px;gap:48px}.lobby-body{padding:48px}.app-nav,.app-footer{padding-left:48px;padding-right:48px}.app-title{font-size:34px;line-height:1.2}.game-layout{grid-template-columns:minmax(0,1fr) 300px}.game-toolbar>.kicker{font-size:10px;letter-spacing:2px}.session-panel{padding:20px}.team-choices{gap:8px}.team-choices .btn{padding:0 10px}}
@media(max-width:900px) and (min-width:701px){.hero{grid-template-columns:1fr}.hero h1{font-size:50px}.hero>.viewport{max-width:600px;width:100%;justify-self:center}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.cards .info-card:last-child:nth-child(3){grid-column:1/-1;min-height:180px}.nav-links{gap:20px}.login-body{padding:48px;gap:32px}.login-panel{padding:24px}.qr-placeholder{width:210px;height:210px}.login-copy h3{font-size:17px}.lobby-heading{flex-direction:column}.mode-card h2{font-size:28px}.launch{flex-wrap:wrap}.game-layout{grid-template-columns:1fr}.game-viewport{width:100%}.session-panel{min-height:0}.app-content{min-height:760px}}
@media(max-width:700px){:root{--gutter:24px}.desktop-only{display:none!important}.mobile-only{display:initial}.landing-nav{height:88px;padding:24px}.landing-nav>.badge{align-self:center}.hero{display:flex;flex-direction:column;align-items:stretch;padding:24px;gap:24px}.hero-copy{display:contents}.hero h1{font-size:34px;line-height:41px;letter-spacing:0}.hero-description{font-size:16px;line-height:1.7}.hero-description br{display:none}.hero>.viewport{order:1}.hero>.device-notice{order:2}.hero-note{font-size:13px}.hero .kicker{line-height:1}.viewport{padding:clamp(12px,4vw,24px);gap:clamp(6px,2vw,12px)}.device-notice{display:flex;flex-direction:column;gap:12px;padding:20px;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.device-notice .btn{width:100%}.section{padding:24px;gap:24px}.section-heading{gap:16px}.section-heading>p:not(.kicker){display:none}.cards{display:flex;flex-direction:column;gap:24px}.info-card{min-height:218px;padding:28px}.features{border-top:1px solid var(--border)}.features .cards{gap:24px}.how{border-top:1px solid var(--border)}.scope{display:flex;flex-direction:column;gap:20px;padding:24px}.scope-copy{gap:16px}.scope h2{max-width:300px}.scope-copy>p:first-child{font-size:14px;line-height:23px}.faq{gap:24px}.faq-list{gap:24px;margin:0}.faq-item{grid-template-columns:1fr;gap:12px;padding-bottom:24px}.landing-footer{padding:24px;display:flex;flex-direction:column;align-items:flex-start;gap:20px}.landing-footer .kicker{font-size:12px}.app-nav{height:auto;min-height:88px;padding:24px;flex-wrap:wrap;gap:20px}.app-nav>.kicker{order:3;width:100%;text-align:left;font-size:10px;letter-spacing:2px}.app-nav>.btn{width:auto;min-height:40px;padding:0 14px;font-size:11px;letter-spacing:1px}.app-content{min-height:calc(100vh - 270px)}.app-footer{padding:24px;flex-direction:column;align-items:flex-start;gap:16px}.app-footer .kicker{font-size:10px;letter-spacing:2px;line-height:1.6}.app-title{font-size:30px;line-height:1.25}.login-body{padding:32px 24px 48px;display:flex;flex-direction:column;align-items:stretch;gap:40px}.login-copy{gap:24px}.login-copy h3{font-size:17px}.login-panel{padding:28px 20px}.login-panel .caption{max-width:290px}.lobby-body{padding:32px 24px 48px;gap:28px}.lobby-heading{flex-direction:column;gap:24px}.mode-choices{grid-template-columns:1fr}.mode-card{padding:24px;min-height:216px}.mode-card h2{font-size:28px}.setup{grid-template-columns:1fr;padding:24px;gap:24px}.field{max-width:none}.launch{flex-wrap:wrap;gap:16px}.launch>.btn:first-child{width:100%}.launch>.btn:nth-child(2){width:100%}.control-summary{gap:12px 24px}.center-state{padding:64px 24px;gap:28px}.slot-count{font-size:48px}.center-state>p:not(.kicker){font-size:14px;line-height:23px}.center-state>p br{display:none}.state-actions{flex-direction:column;width:100%;max-width:360px}.state-actions>.btn{min-width:0;width:100%}.progress-panel{padding:24px 20px;gap:24px}.progress-row{gap:16px;font-size:12px;align-items:flex-start}.progress-row span:first-child{max-width:55%}.game-body{padding:24px;gap:24px}.game-toolbar{align-items:center;flex-wrap:wrap;gap:16px}.game-toolbar>.badge{font-size:11px;align-self:center}.game-toolbar>.btn{width:auto;font-size:11px;padding:0 16px}.game-toolbar>.kicker{order:3;text-align:left;font-size:10px;letter-spacing:2px;width:100%}.game-layout{grid-template-columns:1fr;gap:24px}.game-viewport{padding:12px;gap:6px}.session-panel{padding:24px;min-height:0}.app-main-mobile-note{display:block;padding:0 24px 24px;font-size:12px}.toast{bottom:16px;padding:14px 18px}.scope-copy>p.desktop-only{display:none}.mobile-scope-description{display:block}}
@media(max-width:700px){.mobile-only{display:initial!important}.info-card.mobile-only,.faq-list.mobile-only{display:flex!important}.badge.mobile-only{display:inline-flex!important}.mode-title{font-size:28px}.hero>.viewport{padding:4%;gap:clamp(6px,1.754vw,12px)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}
/* ASCII motion stays within its illustration panel. */
.ascii-stage{position:relative;min-width:0;flex:none;overflow:hidden;isolation:isolate}
.ascii-stage .ascii{color:#a8a8a8;text-shadow:0 0 8px #ffffff0a}
.ascii-stage::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,transparent 0%,transparent 40%,#ffffff09 49%,#ffffff12 50%,transparent 60%,transparent 100%);transform:translateY(-110%);animation:arca-scan 8s linear infinite;animation-play-state:paused;mix-blend-mode:screen}
.viewport[data-motion="playing"] .ascii-stage::after{animation-play-state:running}
.viewport[data-motion="paused"] .ascii-stage::after{opacity:0}
.motion-toggle{flex:none;display:inline-flex;align-items:center;justify-content:center;gap:7px;min-width:70px;min-height:30px;padding:3px 9px;background:transparent;border:1px solid var(--strong);border-radius:5px;color:var(--muted);font:11px/1.3 "JetBrains Mono",monospace;letter-spacing:.4px;transition:color .2s,border-color .2s}
.motion-toggle::before{content:"Ⅱ";font-size:12px;line-height:1}
.viewport[data-motion="paused"] .motion-toggle::before{content:"▷"}
.motion-toggle:hover{color:var(--text);border-color:#666}
.viewport-toolbar{min-height:30px}
.viewport{gap:10px;aspect-ratio:auto;transition:border-color .4s,box-shadow .4s}
.viewport:hover{border-color:#555;box-shadow:0 0 40px #ffffff03}
.info-card{position:relative;transition:border-color .25s}
.ascii-corner{position:absolute;right:20px;top:23px;font-size:11px;letter-spacing:2px;color:var(--muted);opacity:0;transform:translateX(-6px);transition:opacity .2s,transform .2s}
@media(hover:hover){.info-card:hover{border-color:#494949}.info-card:hover .ascii-corner{opacity:1;transform:translateX(0)}}
@keyframes arca-scan{to{transform:translateY(110%)}}
@media(max-width:700px){.motion-toggle{min-width:64px;min-height:28px;font-size:10px}.viewport-toolbar{min-height:28px}.hero>.viewport{aspect-ratio:auto;min-height:285px}.viewport-caption{gap:8px}}
@media(prefers-reduced-motion:reduce){.ascii-stage::after{display:none}.viewport,.info-card,.motion-toggle,.ascii-corner{transition:none}}