:root { color-scheme: dark; --bg: #081719; --panel: #0b1b1d; --line: #203435; --ink: #e4ebe1; --muted: #8eaaa4; --dim: #597b75; --lime: #d8f99a; --coral: #ff806e; --mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace; --sans: 'Helvetica Neue', Helvetica, Arial, sans-serif; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; font: inherit; cursor: pointer; }
button:focus-visible, a:focus-visible, canvas:focus-visible { outline: 2px solid var(--lime); outline-offset: 5px; }
button { transition: background 160ms, color 160ms, transform 160ms; }
button:active { transform: translateY(1px); }
.shell { max-width: 1800px; margin: 0 auto; padding: 0 42px; }
.masthead { height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.wordmark { display: flex; align-items: center; gap: 11px; font-size: 18px; font-weight: 700; letter-spacing: 3px; text-decoration: none; color: var(--ink); }
.wordmark img { margin-right: 2px; }
.wordmark-index { color: var(--dim); font: 10px var(--mono); letter-spacing: 0; margin: 3px 0 0 5px; }
.edition, .header-actions, .quiet-button, .stage-top, .stage-bottom, .label, .telemetry-heading, .rail-footer, .page-footer, .intro-footnote, .eyebrow, .diagram-line + span { font: 10px var(--mono); letter-spacing: 1px; }
.edition { color: var(--dim); }
.header-actions { display: flex; align-items: center; gap: 25px; }
.quiet-button { padding: 8px 0; border: none; background: none; color: var(--muted); }
.quiet-button:hover { color: var(--lime); }
.quiet-button span { color: var(--ink); margin-left: 8px; }
.round-button { border: 1px solid var(--line); width: 29px; height: 29px; border-radius: 50%; background: none; font: 12px var(--mono); color: var(--muted); }
.round-button:hover { background: var(--line); }
.game-layout { display: grid; grid-template-columns: minmax(0, 1fr) 234px; border: 1px solid var(--line); }
.stage { position: relative; height: min(690px, calc(100svh - 240px)); min-height: 620px; overflow: hidden; background: #08191b; }
#arena { display: block; width: 100%; height: 100%; outline-offset: -3px; touch-action: none; }
.stage-top, .stage-bottom { position: absolute; display: flex; align-items: center; justify-content: space-between; left: 26px; right: 26px; color: var(--dim); font-size: 9px; pointer-events: none; z-index: 2; }
.stage-top { top: 23px; }
.stage-top > span:first-child { display: flex; gap: 9px; align-items: center; }
.status-dot { display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 9px #d8f99a55; }
.stage-bottom { bottom: 20px; font-size: 8px; letter-spacing: .8px; }
.stage-mark { font-size: 20px; color: #60877c; }
.screen { position: absolute; inset: 0; display: flex; align-items: center; background: linear-gradient(90deg, #08191bf2 0%, #08191bc9 28%, #08191b00 62%); }
.intro { margin: -3px 0 0 6.1%; position: relative; z-index: 1; }
.eyebrow { color: var(--lime); font-size: 9px; letter-spacing: 1.65px; margin: 0 0 24px; }
.tiny-cross { font-size: 18px; vertical-align: -2px; margin-right: 7px; }
h1 { font-size: clamp(55px, 6.9vw, 106px); letter-spacing: -6px; font-weight: 500; margin: 0 0 17px -5px; line-height: 1; }
.title-period { color: var(--lime); }
.intro-title { font: 35px/1.16 Georgia, 'Times New Roman', serif; letter-spacing: -.6px; margin: 0 0 21px; }
.intro-title em { color: var(--lime); font-weight: 400; }
.intro-copy { color: var(--muted); font-size: 12px; line-height: 1.85; margin: 0 0 29px; }
.primary-button { background: var(--lime); color: #17271d; border: 1px solid var(--lime); padding: 17px 20px; display: flex; align-items: center; gap: 45px; justify-content: space-between; min-width: 229px; font: 10px var(--mono); font-weight: 700; letter-spacing: 1px; }
.primary-button:hover { background: #e9ffbf; box-shadow: 0 0 35px #d8f99a12; }
.primary-button > span { font-size: 19px; line-height: 10px; }
.intro-footnote { font-size: 7px; letter-spacing: .7px; color: var(--dim); margin: 15px 0 0; }
.intro-footnote span { margin: 0 6px; }
.intro-diagram { position: absolute; bottom: 18%; right: 5%; display: flex; gap: 10px; align-items: center; color: var(--muted); }
.intro-diagram small { display: block; font-size: 7px; color: var(--dim); margin-top: 8px; }
.diagram-line { width: 55px; height: 1px; background: var(--dim); transform: rotate(-35deg); transform-origin: right; opacity: .6; }
.telemetry { padding: 24px 22px 17px; background: #0d1d1f; border-left: 1px solid var(--line); display: flex; flex-direction: column; }
.telemetry-heading { color: var(--muted); font-size: 9px; display: flex; justify-content: space-between; }
.telemetry-heading > span:last-child { color: var(--lime); font-size: 16px; }
.label { color: var(--muted); font-size: 8px; letter-spacing: 1.1px; }
.cycle-readout { padding: 20px 0 17px; border-bottom: 1px solid var(--line); }
.cycle-readout > div { margin: 5px 0 6px; }
#cycle { font-size: 61px; font-weight: 300; letter-spacing: -3px; line-height: 1.1; }
.cycle-total { color: var(--dim); font: 16px var(--mono); margin-left: 9px; }
#cycle-name { color: var(--lime); font: 7px var(--mono); letter-spacing: 1.1px; }
.integrity-section, .echo-section { padding: 17px 0 13px; border-bottom: 1px solid var(--line); }
.label-row { display: flex; justify-content: space-between; align-items: center; }
#integrity { font: 17px var(--mono); }
#integrity > span { color: var(--dim); font-size: 10px; margin-left: 3px; }
.meter { background: #243633; height: 3px; margin: 12px 0; overflow: hidden; }
.meter > span { display: block; width: 100%; height: 100%; background: var(--lime); transform-origin: left; transition: transform 150ms; }
.telemetry p { font-size: 10px; line-height: 1.6; color: var(--dim); margin: 0; }
#echo-count { color: var(--lime); font: 14px var(--mono); }
.echo-slots { display: flex; gap: 6px; margin: 14px 0 10px; }
.echo-slots > span { width: 35px; height: 30px; border: 1px dashed #35514b; display: grid; place-items: center; font: 9px var(--mono); color: var(--dim); transition: background 250ms; }
.echo-slots > span.active { background: #9ee5db19; color: #a6efdd; border: 1px solid #70c7b6; }
.score-section { display: flex; flex-direction: column; gap: 8px; padding: 14px 0; }
#score { font: 25px var(--mono); font-weight: 400; letter-spacing: 1px; }
.pulse-section { margin-top: auto; padding-top: 10px; }
#pulse-status { color: var(--lime); font: 8px var(--mono); }
.pulse-meter { height: 2px; }
.pulse-meter > span { background: #82c5b3; }
kbd { display: inline-block; font: 8px var(--mono); border: 1px solid #344944; padding: 3px 5px; border-radius: 2px; color: var(--muted); }
.telemetry p kbd { margin-right: 5px; padding: 2px 4px; }
.rail-footer { border-top: 1px solid var(--line); padding-top: 16px; margin-top: 20px; font-size: 6px; letter-spacing: .7px; color: var(--dim); display: flex; align-items: center; gap: 6px; }
.rail-footer .status-dot { width: 3px; height: 3px; }
.timeline { display: flex; border: 1px solid var(--line); border-top: none; padding: 23px 26px; gap: 40px; }
.timeline-title { min-width: 155px; display: flex; flex-direction: column; justify-content: center; gap: 11px; }
.timeline-title .label { font-size: 7px; }
#time-left { font: 21px var(--mono); letter-spacing: -1px; }
#time-left > span { font: 6px var(--mono); letter-spacing: .3px; color: var(--dim); }
.cycle-track { display: flex; flex: 1; gap: 22px; }
.cycle-step { flex: 1; display: flex; align-items: center; gap: 10px; position: relative; padding: 8px 0; }
.step-node { width: 27px; height: 27px; border: 1px solid #344641; border-radius: 50%; display: grid; place-items: center; font: 8px var(--mono); color: var(--dim); flex-shrink: 0; }
.cycle-step strong { display: block; font-size: 10px; font-weight: 400; color: var(--muted); white-space: nowrap; margin-bottom: 5px; }
.cycle-step div > span { display: block; color: var(--dim); font-size: 8px; white-space: nowrap; }
.cycle-step i { position: absolute; bottom: -7px; height: 1px; width: 100%; background: #223b33; transform-origin: left; transform: scaleX(0); }
.cycle-step.current .step-node { border-color: var(--lime); color: var(--lime); box-shadow: 0 0 0 4px #d8f99a07; }
.cycle-step.current strong { color: var(--lime); }
.cycle-step.current i, .cycle-step.done i { background: var(--lime); }
.cycle-step.done .step-node { background: var(--lime); color: var(--bg); border-color: var(--lime); }
.page-footer { min-height: 67px; display: flex; align-items: center; justify-content: space-between; color: var(--dim); font-size: 7px; letter-spacing: .7px; gap: 20px; }
.page-footer > div { display: flex; gap: 15px; align-items: center; }
.page-footer kbd { margin-right: 5px; font-size: 7px; }
.live-hud { position: absolute; top: 50px; left: 26px; right: 26px; display: flex; align-items: center; justify-content: space-between; }
.shield-label { font: 8px var(--mono); letter-spacing: 1px; color: var(--dim); }
#shields { color: var(--lime); font-size: 13px; margin-left: 9px; }
.announcement { position: absolute; top: 19%; left: 0; right: 0; text-align: center; pointer-events: none; font: 11px var(--mono); letter-spacing: 3px; color: var(--lime); opacity: 0; transition: opacity 400ms; text-shadow: 0 2px 15px #061212; }
.announcement.visible { opacity: 1; }
.modal { position: absolute; inset: 0; background: #081719ec; backdrop-filter: blur(8px); display: flex; flex-direction: column; justify-content: center; padding: 35px 6%; z-index: 5; overflow-y: auto; }
.modal .eyebrow { margin-bottom: 14px; }
.modal h2 { font: 39px/1.1 Georgia, serif; letter-spacing: -.8px; font-weight: 400; margin: 0 0 15px; }
.modal h2 em { color: var(--lime); }
.modal-copy { max-width: 510px; color: var(--muted); font-size: 12px; line-height: 1.8; margin: 0 0 20px; }
.upgrade-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 12px; }
.upgrade-card { text-align: left; background: #102524; border: 1px solid #345148; padding: 19px 17px; min-height: 190px; position: relative; }
.upgrade-card:hover, .upgrade-card:focus-visible { border-color: var(--lime); background: #1a3328; transform: translateY(-3px); }
.upgrade-card .label { font-size: 7px; }
.upgrade-icon { display: block; color: var(--lime); font-size: 31px; margin: 15px 0 13px; }
.upgrade-card strong { display: block; font-size: 14px; font-weight: 400; margin-bottom: 10px; }
.upgrade-card p { color: var(--muted); font-size: 10px; line-height: 1.7; margin: 0; }
.modal-note { color: var(--dim); font: 8px var(--mono); margin: 22px 0 0; letter-spacing: .5px; }
.modal-actions { display: flex; gap: 22px; align-items: center; margin-top: 10px; }
.instructions { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin: 9px 0 20px; max-width: 620px; }
.instructions h3 { font-size: 13px; font-weight: 400; margin: 0 0 7px; color: var(--lime); }
.instructions p { font-size: 11px; line-height: 1.7; color: var(--muted); margin: 0; }
.result-stats { display: flex; gap: 35px; padding: 19px 0 24px; margin-bottom: 10px; }
.result-stats strong { font: 29px var(--mono); display: block; margin-bottom: 7px; color: var(--lime); }
.result-stats span { font: 8px var(--mono); color: var(--muted); letter-spacing: 1px; }
.touch-controls { position: absolute; bottom: 44px; left: 25px; right: 25px; justify-content: space-between; align-items: center; pointer-events: none; }
.stick { width: 94px; height: 94px; border: 1px solid #b0debf55; border-radius: 50%; background: #162d2866; display: grid; place-items: center; touch-action: none; pointer-events: auto; }
.stick > span { width: 34px; height: 34px; background: #d8f99a33; border: 1px solid #d8f99a88; border-radius: 50%; pointer-events: none; }
#touch-pulse { background: #233b2e88; border: 1px solid #d8f99a77; color: var(--lime); width: 70px; height: 70px; border-radius: 50%; font: 10px var(--mono); touch-action: none; pointer-events: auto; }
#touch-pulse > span { display: block; font-size: 6px; margin-top: 5px; opacity: .5; }
@media (min-width: 1600px) { .stage { min-height: 650px; } .telemetry { padding: 28px; } .game-layout { grid-template-columns: minmax(0, 1fr) 260px; } .intro-title { font-size: 42px; } .intro-copy { font-size: 14px; } }
@media (max-width: 1150px) { .shell { padding: 0 24px; } .game-layout { grid-template-columns: minmax(0, 1fr) 210px; } .telemetry { padding: 23px 18px 16px; } .timeline { gap: 25px; padding: 20px; } .cycle-track { gap: 10px; } .cycle-step { gap: 7px; } .cycle-step div > span { display: none; } .cycle-step strong { font-size: 9px; margin: 0; } .page-footer > span:first-child { display: none; } .intro-title { font-size: 32px; } .intro-diagram { right: 4%; bottom: 15%; } }
@media (max-width: 850px) { .shell { padding: 0 16px; } .masthead { height: 72px; } .edition { display: none; } .game-layout { grid-template-columns: minmax(0, 1fr) 170px; } .telemetry { padding: 22px 15px 15px; } .telemetry-heading { font-size: 7px; } .stage { min-height: 550px; } .intro { margin-left: 7%; } h1 { font-size: 61px; letter-spacing: -4px; } .intro-title { font-size: 30px; } .intro-copy { font-size: 11px; max-width: 250px; } .desktop-break { display: none; } .intro-footnote { max-width: 220px; line-height: 1.9; } .intro-diagram { display: none; } .eyebrow { font-size: 7px; letter-spacing: 1px; } .echo-slots > span { width: 27px; } .rail-footer { font-size: 5px; letter-spacing: .2px; } .timeline-title { min-width: 120px; } .timeline-title .label { font-size: 6px; } .cycle-step div { display: none; } .timeline { gap: 20px; } #coordinate { display: none; } .stage-bottom { font-size: 6px; left: 18px; right: 18px; } .modal h2 { font-size: 31px; } .upgrade-grid { gap: 7px; } .upgrade-card { padding: 14px 10px; } .upgrade-card .label { font-size: 6px; } .upgrade-card strong { font-size: 12px; } .upgrade-card p { font-size: 9px; } .page-footer > div { gap: 10px; } }
@media (max-width: 600px) { .shell { padding: 0 12px; } .masthead { height: 64px; } .wordmark { font-size: 15px; gap: 7px; } .wordmark img { width: 27px; height: 27px; } .header-actions { gap: 16px; } .wordmark-index { display: none; } .game-layout { display: flex; flex-direction: column; } .stage { height: max(560px, calc(100svh - 250px)); min-height: 560px; } .stage-top { left: 18px; right: 18px; font-size: 7px; top: 18px; } .screen { background: linear-gradient(0deg, #08191bf5 3%, #08191bcc 46%, #08191b00 100%); align-items: flex-end; padding-bottom: 54px; } .intro { margin: 0 0 0 8%; } .intro .eyebrow { margin-bottom: 15px; } h1 { font-size: 67px; margin-bottom: 13px; } .intro-title { font-size: 29px; margin-bottom: 14px; } .intro-title br { display: none; } .intro-title em { display: block; } .intro-copy { font-size: 11px; max-width: 260px; margin-bottom: 21px; } .intro-footnote { font-size: 6px; max-width: none; } .primary-button { padding: 16px 19px; } .telemetry { display: grid; grid-template-columns: 1fr 1fr 1fr; padding: 15px; gap: 15px; border-left: none; border-top: 1px solid var(--line); } .telemetry-heading, .cycle-readout, .integrity-section p, .echo-section p, .rail-footer, .pulse-section { display: none; } .integrity-section, .echo-section, .score-section { padding: 0; border: 0; margin: 0; } .label { font-size: 6px; letter-spacing: .7px; } #integrity { font-size: 12px; } .meter { margin: 12px 0 0; } #echo-count { font-size: 12px; } .echo-slots { margin: 6px 0 0; gap: 4px; } .echo-slots > span { height: 18px; width: 23px; font-size: 6px; } .score-section { gap: 8px; } #score { font-size: 17px; } .timeline { padding: 15px 12px; gap: 12px; } .timeline-title { min-width: 114px; gap: 7px; } #time-left { font-size: 18px; } #time-left > span { font-size: 5px; } .step-node { width: 22px; height: 22px; font-size: 7px; } .cycle-track { gap: 6px; } .cycle-step { padding: 3px 0; justify-content: center; } .page-footer { min-height: 49px; justify-content: center; font-size: 6px; } .page-footer > div { display: none; } .live-hud { top: 40px; left: 18px; right: 18px; } .modal { padding: 28px 7%; } .modal h2 { font-size: 32px; } .modal .eyebrow { font-size: 7px; } .upgrade-grid { grid-template-columns: 1fr; gap: 9px; margin-top: 0; } .upgrade-card { min-height: 0; padding: 12px 14px 12px 53px; } .upgrade-icon { position: absolute; left: 15px; top: 25px; font-size: 26px; margin: 0; } .upgrade-card strong { margin: 5px 0; font-size: 13px; } .upgrade-card p { font-size: 10px; } .modal-copy { font-size: 11px; margin-bottom: 14px; } .modal-note { font-size: 7px; margin-top: 15px; } .modal-actions { gap: 16px; } .modal-actions .primary-button { min-width: 180px; gap: 20px; } .result-stats { gap: 22px; } .result-stats strong { font-size: 25px; } .result-stats span { font-size: 7px; } .instructions { gap: 15px; } .instructions p { font-size: 10px; } .instructions h3 { font-size: 12px; } .announcement { top: 21%; font-size: 9px; } }
@media (pointer: coarse) { .touch-controls:not([hidden]) { display: flex; } .page-footer > div { display: none; } #touch-pulse > span { display: none; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; } }