/* Lorenz. Same workshop look as Skywave: black, acid green, Arial Black headings, mono for the machine. */
:root{color-scheme:dark;--flash:#4a5a12;--glow:#d6ff00;--acid-ink:var(--acid);--stl-blue:#1a5cff;--stl-blue-hover:#0f4be0;--stl-ink:#ffffff;--bg:#080a08;--panel:#0b0e0c;--ink:#ecefe7;--muted:#a0aa9b;--acid:#d6ff00;--line:#293026;--edge:#606b58;--red:#ff8585;--amber:#ffbf69;--paper:#ebe5cc;--paper-ink:#1b1d14;--mono:ui-monospace,Menlo,Consolas,monospace;--read:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--header:68px;--footer:34px}
*{box-sizing:border-box}
html{background:#050705;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:13px/1.55 var(--mono);min-height:100svh;padding-bottom:var(--footer)}
button,input,select,textarea{font:inherit}
button,a,input,select,summary{touch-action:manipulation}
button,a{-webkit-tap-highlight-color:transparent}
button{border:1px solid var(--edge);background:#111710;color:var(--ink);cursor:pointer;min-height:40px;padding:9px 13px;border-radius:0}
button:hover:not(:disabled){border-color:var(--acid);color:var(--acid)}
button:disabled{opacity:.4;cursor:not-allowed}
a{color:inherit;text-decoration:none}a:hover{color:var(--acid)}
:focus-visible{outline:3px solid var(--acid);outline-offset:3px}
button[aria-pressed=true],button[aria-selected=true]{color:#080a08;background:var(--acid);border-color:var(--acid)}
button[aria-pressed=true]:hover:not(:disabled),button[aria-selected=true]:hover:not(:disabled){color:#080a08}
[hidden]{display:none!important}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{font-family:'Arial Black',Arial,Helvetica,sans-serif;font-weight:900;line-height:1.1}
h1{font-size:clamp(34px,4vw,56px)}h2{font-size:27px}h3{font-size:15px}
p{margin-bottom:14px}svg{display:block}
select,input[type=number],input[type=text],textarea{width:100%;min-height:42px;background:#111710;color:var(--ink);border:1px solid var(--edge);padding:10px 12px;border-radius:0}
textarea{resize:vertical;font-family:var(--mono);letter-spacing:.03em}
input[type=checkbox]{width:18px;height:18px;accent-color:var(--acid)}
[aria-invalid=true]{border-color:var(--red)!important}
.acid{color:var(--acid)}.muted{color:var(--muted)}
.tiny{font-size:12px;letter-spacing:.02em;line-height:1.6;color:var(--muted)}
.eyebrow{font:12px/1.5 var(--mono);color:var(--muted);margin:0 0 10px}
.small-heading{font-size:17px;margin:0}
.wide{width:100%}
.field-label{display:block;margin:16px 0 7px;font-size:12px;letter-spacing:.04em}
.field-error{color:var(--red);margin:6px 0 0}
.section-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.section-top>.eyebrow{margin:0}
.primary{background:var(--acid);border-color:var(--acid);color:#11150a;font-weight:800;min-height:50px;display:flex;align-items:center;justify-content:space-between;gap:26px;padding:14px 20px}
.primary:hover:not(:disabled){background:#e6ff59;color:#050705;border-color:#e6ff59}
.primary span[aria-hidden]{font-size:20px;line-height:1}
.secondary{min-height:50px;display:flex;align-items:center;justify-content:space-between;gap:26px;padding:14px 20px;background:#0c100d}
.secondary.small{min-height:36px;padding:6px 12px;font-size:12px;gap:8px}
.text-button{background:none;border:0;padding:7px 0;min-height:36px;font-size:12px;color:var(--muted)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;left:10px;top:-60px;background:var(--acid);color:black;padding:12px;z-index:100}.skip-link:focus{top:10px}
.segmented{display:inline-flex;gap:3px;flex-wrap:wrap}.segmented button{padding:6px 10px;min-height:34px;font-size:12px}

/* Header, as Skywave */
.site-header{height:var(--header);display:flex;align-items:center;justify-content:space-between;padding:0 30px;border-bottom:1px solid var(--line);background:#080a08ed;position:sticky;top:0;z-index:20;gap:14px}
.wordmark{border:0;background:none;display:flex;align-items:center;gap:10px;padding:0;font-family:'Arial Black',Arial,sans-serif;font-weight:900;font-size:25px;flex:0 0 auto;color:var(--ink)}
.wordmark:hover:not(:disabled){color:var(--ink)}
.wordmark svg{width:26px;height:26px;stroke:var(--acid);stroke-width:2;fill:none;margin-right:4px}
.header-sub{font:12px var(--mono);color:var(--muted);margin-left:10px;font-weight:400}
.site-header nav{display:flex;align-items:center;gap:26px;font-size:12px;flex-wrap:nowrap;white-space:nowrap}
.header-day{color:var(--muted);font-size:12px;letter-spacing:.05em}
.icon-button{border:0;font-size:23px;background:none;padding:0;min-width:38px}
.header-feedback{color:var(--muted);border-bottom:1px dotted var(--edge)}
.header-feedback:hover{color:var(--acid);border-color:var(--acid)}
.fb-short{display:none}
.header-coffee{display:inline-flex;align-items:center;line-height:0;flex:0 0 auto}
.header-coffee img{display:block;height:30px;width:auto}
.header-coffee:hover img{filter:brightness(1.06)}

/* Footer, as Skywave: one line, wraps on phones */
.site-footer{height:var(--footer);padding:0 30px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--line);position:fixed;bottom:0;left:0;right:0;z-index:21;background:#080a08;font-size:12px;color:var(--muted)}
.site-footer a{color:var(--ink)}
.footer-links{display:flex;gap:16px;white-space:nowrap}
.footer-home{font-weight:700;color:var(--acid)!important;white-space:nowrap}
.fl-short{display:none}

/* Title screen */
.title-screen{min-height:calc(100svh - var(--header) - var(--footer));display:flex;align-items:center;position:relative}
.title-copy{width:53%;max-width:780px;padding:56px 5vw 50px;position:relative;z-index:2;background:linear-gradient(90deg,#080a08 70%,#080a0800)}
.title-copy h1{font-size:clamp(56px,6.4vw,96px);line-height:1;margin:0 0 24px}
.hero-copy{font-size:16px;line-height:1.6;margin-bottom:12px;max-width:560px}
.hero-detail{color:var(--muted);font-size:13px;line-height:1.7;margin-bottom:24px;max-width:560px}
.hero-buttons{display:flex;gap:10px;flex-wrap:wrap}.hero-buttons .primary{min-width:220px}.hero-buttons .secondary{min-width:160px}
.hero-facts{margin:22px 0 0;font-size:13px;line-height:1.7;max-width:560px}
.signed-note{margin:20px 0 18px;padding-top:16px;border-top:1px solid var(--line);max-width:560px;font-size:13px;line-height:1.7;display:flex;gap:16px;align-items:flex-start}
.signed-note p{margin:0 0 8px}.signed-text{flex:1;min-width:0}
.signed-note a,.feedback-invite a{color:var(--acid);text-decoration:underline;text-underline-offset:3px}
.arthur-photo{margin:2px 0 0;flex:0 0 auto;text-align:center;font-size:12px;color:var(--muted)}
.photo-frame{display:block;width:56px;height:56px;border-radius:50%;overflow:hidden;border:1px solid var(--edge);background:#111710}
.photo-frame img{display:block;width:100%;height:100%;object-fit:cover;transform:scale(1.3);transform-origin:53% 40%}
.arthur-photo figcaption{margin-top:5px}
.arthur-photo-large .photo-frame{width:88px;height:88px}
/* The STL button: vivid blue with white text (5.2:1, AA), the same on a dark or a light background */
.stl-slot{display:flex;align-items:center;gap:8px 16px;flex-wrap:wrap;max-width:560px;margin:14px 0 0}
.stl-button{display:flex;flex-direction:column;gap:2px;background:var(--stl-blue);color:var(--stl-ink)!important;padding:13px 18px;border:1px solid var(--stl-blue);box-shadow:0 0 0 1px #ffffff14,0 6px 22px #1a5cff47;text-decoration:none!important;max-width:100%}
.stl-button:hover{background:var(--stl-blue-hover);border-color:var(--stl-blue-hover);color:var(--stl-ink)}
.stl-button:focus-visible{outline:3px solid var(--acid);outline-offset:3px}
.stl-label{font-weight:800;font-size:14px;line-height:1.35}
.stl-sub{font-size:12px;line-height:1.4;opacity:.95}
.stl-alt{color:var(--ink);font-size:12px;border-bottom:1px solid var(--edge);padding:6px 0 3px;white-space:nowrap}
.stl-alt:hover{color:var(--acid);border-color:var(--acid)}
.stl-small .stl-button{padding:9px 14px}.stl-small .stl-label{font-size:13px}
.decoded-card .stl-slot{margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.decoded-card .stl-button{padding:10px 14px}.decoded-card .stl-label{font-size:13px}
.disclaimer{font-size:12px;line-height:1.7;color:var(--muted);max-width:560px}
.title-links{display:flex;gap:22px;flex-wrap:wrap;font-size:12px;margin-top:22px}
.title-links a{color:var(--ink);border-bottom:1px solid var(--edge);padding-bottom:4px}
.title-links span{color:var(--muted);flex-basis:100%;line-height:1.6}

/* The 3D stage: behind the title copy on the title screen, in the right column in the game */
.machine-stage{position:relative;overflow:hidden;background:radial-gradient(ellipse at 50% 60%,#141b10 0%,#080a08 70%);border:1px solid var(--line);height:min(44vh,400px);min-height:240px}
.machine-stage canvas{display:block;width:100%;height:100%;touch-action:pan-y}
body[data-screen=title] .machine-stage{position:fixed;top:var(--header);right:0;bottom:var(--footer);left:38%;height:auto;border:0;background:radial-gradient(ellipse at 55% 55%,#141b10 0%,#080a08 68%);z-index:1}
body[data-screen=title] .machine-labels,body[data-screen=title] .renderer-note{display:none}
.machine-labels{position:absolute;inset:0;pointer-events:none}
.wheel-label{position:absolute;left:0;top:0;transform:translate(-50%,-100%);font-size:11px;line-height:1.15;text-align:center;color:var(--ink);background:#080a08c8;padding:2px 3px;white-space:nowrap}
.wheel-label b{display:block;color:var(--acid);font-size:13px}
.wheel-label.moved b{color:#fff}
.wheel-label.off{opacity:.35}
.renderer-note{position:absolute;left:10px;bottom:6px;margin:0;font-size:11px;color:var(--muted)}

/* Game layout */
.game-screen{padding:22px 30px 30px}
.game-grid{display:grid;grid-template-columns:minmax(380px,560px) minmax(0,1fr);gap:22px;align-items:start;max-width:1700px;margin:0 auto}
.game-controls{display:flex;flex-direction:column;gap:14px;min-width:0}
.game-view{position:sticky;top:calc(var(--header) + 16px);display:flex;flex-direction:column;gap:14px;min-width:0}
.card-box{background:var(--panel);border:1px solid var(--line);padding:18px 20px}
.intercept h1{margin:4px 0 8px;font-size:clamp(30px,2.8vw,40px)}
.intercept .muted{font-size:12px;margin-bottom:10px}
.intercept h1 span{color:var(--acid)}
.model-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 14px}
.model-line .eyebrow{margin:0}
.cipher-text{font:14px/1.75 var(--mono);letter-spacing:.08em;word-break:break-all;background:#0f140d;border:1px solid var(--line);padding:10px 12px;margin:8px 0 0;max-height:96px;overflow:auto;color:#d9e6b6}
.practice-tabs{display:flex;gap:4px;flex-wrap:wrap}
.practice-tabs button{font-size:12px;min-height:38px;padding:6px 10px}
.book-scroll{overflow-x:auto;margin-top:8px}
.qep-book{overflow-x:auto;min-width:0}.teleprinter,.card-box{min-width:0;max-width:100%}
.qep-table{border-collapse:collapse;width:100%;font-size:12px;font-variant-numeric:tabular-nums}
.qep-table th,.qep-table td{padding:5px 3px;text-align:center;border-bottom:1px solid var(--line);white-space:nowrap}
.qep-table th{color:var(--muted);font-weight:400}
.qep-table th.grp-mu,.qep-table td.grp-mu{background:#10150d}
.qep-table td:first-child,.qep-table th:first-child{text-align:left;color:var(--acid);padding-right:8px}
.qep-table .smudge{color:var(--amber);font-weight:700;text-shadow:0 0 6px #ffbf6988}
.qep-table tr.today-line td{box-shadow:inset 0 0 0 100vmax rgba(214,255,0,.08)}.qep-table tr.today-line td:first-child{box-shadow:inset 3px 0 0 #d6ff00,inset 0 0 0 100vmax rgba(214,255,0,.08);font-weight:700}
.qep-table .smudge-read{display:block;font-size:10px;font-weight:400;color:var(--acid);text-shadow:none}
.dials{display:grid;grid-template-columns:repeat(5,1fr) 6px repeat(2,1fr) 6px repeat(5,1fr);gap:4px;margin-top:10px}
.dial-gap{width:6px}
.dial{display:flex;flex-direction:column;align-items:stretch;text-align:center;min-width:0}
.dial-name{font-size:12px;line-height:1.2;color:var(--muted);margin-bottom:3px}
.dial-name small{display:block;font-size:10px}
.dial-mu .dial-name{color:var(--amber)}
.dial button{min-height:28px;padding:0;font-size:11px;line-height:1}
.dial input{text-align:center;font-size:17px;font-weight:700;padding:6px 0;min-height:44px;-moz-appearance:textfield;appearance:textfield;cursor:ns-resize;color:var(--acid);background:#0f140d}
.dial input::-webkit-outer-spin-button,.dial input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.dial.dragging input{border-color:var(--acid)}
.dial.flash input{animation:flash .5s}
@keyframes flash{from{background:var(--flash)}}
.action-bar{position:relative;background:#080a08;border:1px solid var(--line);padding:12px 14px;display:flex;flex-direction:column;gap:10px}
.hint-row{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.hint-row .eyebrow{margin:0 6px 0 0}
.hint-row button{font-size:12px;min-height:34px;padding:5px 10px}.hint-row small{color:var(--muted)}
.run-row{display:flex;gap:12px;align-items:center}
.run-button{flex:1}.run-button small{font-weight:400;font-size:11px}
.score-display{color:var(--acid);font-weight:700;font-size:15px;min-width:92px}
.score-pulse{animation:pulse .45s ease-out}
@keyframes pulse{0%{transform:scale(1)}40%{transform:scale(1.25);text-shadow:0 0 12px var(--acid)}100%{transform:scale(1)}}
.feedback{background:#111810;border:1px solid #33412a;padding:10px 12px}
.feedback p{margin:0;font-size:12px;line-height:1.6}
.feedback.good{border-color:#697d25}.feedback.good p{color:var(--acid)}
.feedback.bad{border-color:#774c41}.feedback.bad p{color:#ffc4b8}
.chi-patterns{display:flex;flex-direction:column;gap:10px;margin:12px 0}
.chi-row{display:grid;grid-template-columns:52px 1fr 64px;gap:8px;align-items:start}
.chi-row label{font-size:12px;color:var(--muted);padding-top:10px}
.chi-row input[type=text]{font-family:var(--mono);font-size:13px;letter-spacing:.06em;min-height:40px;padding:8px}
.chi-row input[type=number]{text-align:center;min-height:40px;padding:8px 4px}
.chi-row .tiny{grid-column:2/4;margin:-4px 0 0}
.chi-buttons{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.io-mode{margin:4px 0 0}
.chi-output{margin-top:14px}.chi-output .eyebrow{display:block;margin:0}
.chi-output .cipher-text{display:block;min-height:44px}

/* Teleprinter */
.teleprinter{background:var(--panel);border:1px solid var(--line);padding:14px 16px;position:relative}
.tp-controls{display:flex;align-items:center;gap:8px}
.tp-controls select{width:auto;min-height:36px;padding:4px 8px;font-size:12px}
.tape-wrap{margin:10px -16px 6px;background:#050705;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden}
.tape-canvas{display:block;width:100%;height:128px}
.tape-legend{margin:0 0 8px}
.printed{background:#0f140d;border:1px solid var(--line);padding:8px 12px}
.printed .eyebrow{margin:0}
.printed-text{margin:4px 0 0;font:15px/1.6 var(--mono);letter-spacing:.06em;min-height:48px;max-height:120px;overflow:auto;white-space:pre-wrap;word-break:break-word}
.printed-text .caret{display:inline-block;width:.6em;background:var(--acid);animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}
.decoded-card{position:absolute;left:50%;top:18px;transform:translateX(-50%);width:min(420px,calc(100% - 24px));background:#0a0d0bf5;border:1px solid var(--acid);padding:16px 18px 14px;box-shadow:0 12px 40px #000c;z-index:6;animation:card-in .35s ease-out}
@keyframes card-in{from{opacity:0;transform:translate(-50%,10px) scale(.96)}to{opacity:1;transform:translate(-50%,0)}}
.decoded-card .eyebrow{color:var(--acid);margin:0}
.decoded-card h2{font-size:26px;margin:4px 0 8px}
.decoded-card blockquote{margin:0 0 10px;font-size:13px;line-height:1.6;border-left:2px solid var(--acid);padding-left:10px}
.decoded-card dl{margin:8px 0;border-top:1px solid var(--line);padding-top:6px;font-size:12px}
.decoded-card dl div{display:flex;justify-content:space-between;gap:12px}
.decoded-card dt{color:var(--muted)}.decoded-card dd{margin:0}
.decoded-total{display:flex;justify-content:space-between;color:var(--acid);font-weight:700;font-size:16px;border-top:1px solid var(--line);padding-top:6px;margin:6px 0 10px}
.card-actions{display:flex;gap:8px;flex-wrap:wrap}.card-actions button{min-height:38px;font-size:12px;padding:6px 12px}
.card-close{position:absolute;right:8px;top:6px;border:0;background:none;min-height:30px;min-width:30px;padding:0;font-size:20px;color:var(--muted)}
.countdown{font-size:12px;color:var(--muted);margin:8px 0 0}
.tape-fly .tape-canvas{animation:tape-glow 1.2s ease-out}
@keyframes tape-glow{0%{filter:brightness(1)}30%{filter:brightness(1.5) drop-shadow(0 0 8px #d6ff00)}100%{filter:brightness(1)}}

/* Dialogs, toast, storage note */
dialog{background:#0b0e0c;color:var(--ink);border:1px solid var(--acid);padding:22px;max-width:min(440px,calc(100% - 24px));width:100%}
dialog::backdrop{background:#000b}
dialog h2{font-size:22px;margin:0}
dialog .section-top button{min-height:32px;min-width:32px;padding:0;border:0;background:none;font-size:22px}
.checkbox-row{display:flex;gap:10px;align-items:center;margin:14px 0;font-size:13px}
dialog .primary{margin-top:16px;justify-content:center}
.toast{position:fixed;left:50%;bottom:calc(var(--footer) + 18px);transform:translateX(-50%);background:var(--acid);color:#080a08;padding:10px 16px;z-index:50;font-weight:700;font-size:13px}
.noscript{padding:20px;text-align:center}
.storage-note{position:fixed;left:12px;right:12px;top:calc(var(--header) + 10px);z-index:40;max-width:620px;margin:0 auto;display:flex;gap:14px;align-items:center;padding:10px 12px 10px 16px;background:#0b0e0c;border:1px solid var(--acid);color:var(--ink);font-size:12px;line-height:1.45;box-shadow:0 10px 30px #0008}
.storage-note p{margin:0;flex:1}.storage-note a{color:var(--acid);text-decoration:underline;text-underline-offset:2px}
.storage-note button{flex:0 0 auto;min-height:36px;padding:0 16px;background:var(--acid);color:#080a08;border:0;font-weight:700;cursor:pointer}
body[data-screen]:not([data-screen=title]) .storage-note{display:none}

/* About, guide and log pages */
.document-page{max-width:960px;margin:0 auto;padding:50px 34px 90px}
.document-page h1{font-size:clamp(42px,7vw,75px);margin:18px 0 30px}
.document-page h2{font-size:24px;margin:34px 0 12px}
.document-page p,.document-page ul,.document-page ol{font-family:var(--read)}
.document-page p,.document-page li{font-size:16px;line-height:1.65;color:#c9d2c3}
.document-page a:not(.primary):not(.bmc-link){color:var(--acid);text-decoration:underline;text-underline-offset:3px}
.document-page .lede{font-size:20px;line-height:1.5;color:var(--ink);max-width:640px}
.document-page .prose,.document-page ul,.document-page ol,.document-page .disclaimer,.document-page>p{max-width:640px}
.document-page ul,.document-page ol{padding-left:22px}
.document-page li{margin:8px 0}
.document-page .disclaimer{font-size:13px}
.document-page .log-list{list-style:none;padding:0}
.document-page .log-list li{margin:0 0 16px}
.document-page .log-list time{display:block;color:var(--ink);font-weight:700}
.document-page table{border-collapse:collapse;font-size:13px;margin:10px 0 18px}
.document-page th,.document-page td{border:1px solid var(--line);padding:5px 8px;text-align:left}
.document-page code{color:var(--acid)}
.me-and-radio{display:flex;gap:20px;align-items:flex-start;max-width:680px}
.me-and-radio .prose{flex:1;margin-top:0}
.bmc-link{display:inline-block;line-height:0}.bmc-link img{display:block;height:42px;width:auto}
.ita2-table td{font-family:var(--mono)}
.sources li{font-size:15px}

/* Hard mode */
.mode-switch{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 16px;max-width:560px}
.mode-switch .eyebrow{margin:0}.mode-switch .tiny{flex-basis:100%;margin:0}
.preamble-box{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:10px 0 12px;margin:0 0 12px}
.preamble-box .tiny{margin:8px 0 0}
.qep-guess .field-label{margin-top:10px}
.qep-guess-row{display:flex;gap:8px;align-items:stretch}.qep-guess-row input{width:5.5em;text-align:center;font-size:17px;font-weight:700;color:var(--acid);letter-spacing:.1em}
.qep-guess-row button{min-height:42px}
.punch-tape{display:flex;flex-wrap:wrap;gap:6px 0;background:var(--paper);padding:6px 6px 4px;margin-top:8px;border-top:2px solid #d3cba9;border-bottom:2px solid #d3cba9}
.frame{display:inline-flex;flex-direction:column;align-items:center;gap:3px;width:24px;padding:3px 0 2px;border:0;background:none;min-height:0;position:relative;color:var(--paper-ink)}
.frame i{display:block;width:11px;height:11px;border-radius:50%;box-shadow:inset 0 0 0 1px #c8bf98}
.frame i.on{background:#050705;box-shadow:none}
.frame i.sp{width:5px;height:5px;margin:0;background:#050705;box-shadow:none}
button.frame{cursor:pointer;padding-bottom:14px}
button.frame:hover:not(:disabled){background:#d6ff0040;color:var(--paper-ink)}
button.frame.read{background:#9fbf0059}
button.frame:focus-visible{outline:2px solid #0b0e0c;outline-offset:-2px}
.frame-num{position:absolute;bottom:0;left:0;right:0;font:700 9px/12px var(--mono);text-align:center;color:#3d4130}
.frame.mini{width:auto;flex-direction:row;padding:3px 4px;gap:3px;background:var(--paper);vertical-align:middle}
.frame.mini i{width:8px;height:8px}.frame.mini i.sp{width:4px;height:4px;align-self:center}
.out-tape{max-height:360px;overflow-y:auto}
.out-tape>.tiny{color:var(--paper-ink);margin:6px}
.hard-out{background:#0f140d;border:1px solid var(--line);padding:8px 12px 12px}
.hard-out .eyebrow{margin:0}.hard-out>.tiny{margin:8px 0 0}
.hard-out .primary{margin-top:10px;justify-content:center}
#revealed-chars{margin:6px 0 0;color:var(--acid);word-break:break-all}
.book-pager{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:10px 0 0;border:1px solid var(--line);background:#0f140d}
.book-date{margin:0;flex:1;text-align:center;font-family:'Arial Black',Arial,sans-serif;font-weight:900;font-size:15px;color:var(--paper)}
.page-turn{min-width:44px;min-height:44px;font-size:24px;line-height:1;padding:0;border:0;background:none;color:var(--acid)}
.book-scroll.turn-next{animation:turn-next .34s ease-out}.book-scroll.turn-prev{animation:turn-prev .34s ease-out}
@keyframes turn-next{from{transform:perspective(900px) rotateY(-18deg) translateX(28px);transform-origin:left center;opacity:.15}to{transform:none;opacity:1}}
@keyframes turn-prev{from{transform:perspective(900px) rotateY(18deg) translateX(-28px);transform-origin:right center;opacity:.15}to{transform:none;opacity:1}}
.cheat-dialog{max-width:min(600px,calc(100% - 24px));max-height:calc(100svh - 32px);overflow:hidden;padding:18px 18px 16px;flex-direction:column}
.cheat-dialog[open]{display:flex}
.cheat-dialog>.tiny{margin:8px 0}
.cheat-scroll{overflow:auto;min-height:0;flex:1;border:1px solid var(--line)}
.cheat-table{border-collapse:collapse;width:100%;font-size:12px}
.cheat-table th,.cheat-table td{padding:4px 6px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.cheat-table th{position:sticky;top:0;background:#0b0e0c;color:var(--muted);font-weight:400}
.cheat-table td:nth-child(2){color:var(--acid);white-space:normal}
.cheat-table td:nth-child(3){white-space:normal}
.cheat-table .dc{margin-left:6px;color:var(--muted);font-size:11px}
.cheat-dialog .primary{margin-top:12px}
.hard-card{border-color:#ffc94a;box-shadow:0 0 0 1px #ffc94a66,0 0 26px #ffc94a33,0 12px 40px #000c}
.hard-card .eyebrow{color:#ffc94a}
.hard-win{animation:hard-glow 1.6s ease-out}
@keyframes hard-glow{0%{box-shadow:none}25%{box-shadow:0 0 0 2px var(--glow),0 0 30px #d6ff0088}55%{box-shadow:0 0 0 2px #ffc94a,0 0 44px #ffc94a88}100%{box-shadow:none}}
.hard-burst{position:fixed;inset:0;pointer-events:none;z-index:60;display:grid;place-items:center;overflow:hidden}
.hard-burst::before,.hard-burst::after{content:'';grid-area:1/1;width:36vmin;height:36vmin;border-radius:50%;border:3px solid var(--acid);opacity:0;animation:burst 1.1s ease-out forwards}
.hard-burst::after{border-color:#ffc94a;animation-delay:.28s}
@keyframes burst{0%{transform:scale(.2);opacity:.95}100%{transform:scale(2.4);opacity:0}}
@media(max-width:480px){.cheat-table .dc{display:none}.cheat-table th,.cheat-table td{padding:4px 4px}}
@media(max-width:360px){.cheat-table th,.cheat-table td{padding:4px 3px}.frame{width:22px}}

/* Wide screens */
@media(max-width:1360px){.site-header nav{gap:18px}}
@media(max-width:1240px){.fb-long{display:none}.fb-short{display:inline}}
@media(max-width:1100px){
  .game-grid{display:flex;flex-direction:column;gap:12px}
  .game-controls,.game-view{display:contents}
  .practice-tabs{order:0}#panel-round,#panel-encipher,#panel-chi{order:1;display:flex;flex-direction:column;gap:12px}
  #game-stage-slot{order:2;width:100%;min-width:0}#wheels-panel{order:3}.action-bar{order:4;position:static}.teleprinter{order:5}
  .game-screen .machine-stage{height:300px}
}
@media(max-width:860px){.header-day{display:none}}
@media(max-width:760px){
  :root{--header:57px;--footer:29px}
  .site-header{padding:0 16px}
  .site-header nav{gap:12px}
  .header-sub{display:none}
  .header-coffee img{height:26px}
  .site-footer{padding:0 15px;overflow:visible;flex-wrap:wrap;align-content:center;justify-content:flex-start;gap:4px 14px}
  .footer-links{display:contents}.site-footer a{white-space:nowrap}
  .fl-long{display:none}.fl-short{display:inline}
  .title-screen{display:block}
  body[data-screen=title] .machine-stage{position:relative;top:auto;left:auto;right:auto;bottom:auto;height:220px;border-bottom:1px solid var(--line)}
  .title-copy{width:100%;padding:28px 20px 40px;background:none}
  .title-copy h1{font-size:56px;margin-bottom:16px}
  .game-screen{padding:12px 10px 20px}
  .card-box{padding:14px 14px}
  .game-screen .machine-stage{height:250px;min-height:200px}
  .dials{grid-template-columns:repeat(5,1fr);row-gap:10px}
  .dial-gap{display:none}
  .dials .mu-start{grid-column:2}
  .dials .chi-start{grid-column:1}
  .document-page{padding:30px 20px 65px}
  .document-page h1{font-size:40px}
  .document-page .lede{font-size:17px}
  .document-page p,.document-page li{font-size:15px}
  .teleprinter{padding:12px}
  .tape-wrap{margin:10px -12px 6px}
  .decoded-card{top:8px;padding:12px 14px}
  .decoded-card h2{font-size:22px}
}
@media(max-width:440px){
  .site-header{padding:0 12px;gap:8px}
  .wordmark{font-size:19px;gap:6px}
  .wordmark svg{display:none}
  .site-header nav{gap:9px}
  .header-coffee img{height:24px}
  .signed-note{gap:12px}
  .photo-frame{width:48px;height:48px}
  .arthur-photo-large .photo-frame{width:64px;height:64px}
  .hero-buttons .primary,.hero-buttons .secondary{width:100%}
  .run-row{flex-wrap:wrap}.score-display{min-width:0}
  .tp-controls label{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
  .chi-row{grid-template-columns:44px 1fr 56px;gap:6px}
}
/* Guide pages scroll, so their footer sits at the end and can take a third line */
@media(max-width:760px){body:not([data-screen]){padding-bottom:0}body:not([data-screen]) .site-footer{position:static;height:auto;min-height:var(--footer);padding-top:6px;padding-bottom:6px}}
/* the header already has Guide, so the title footer drops it on phones to stay on two lines */
@media(max-width:760px){.site-footer .fl-desk{display:none}}
@media(max-width:760px){:root{--footer:56px}.site-footer{gap:8px 10px;padding:6px 12px;line-height:17px}}
@media(min-width:761px) and (max-width:1000px){.site-footer .fl-long{display:none}.site-footer .fl-short{display:inline}.footer-links{gap:12px}}
@media(max-width:360px){
  .qep-table{font-size:11px}.qep-table th,.qep-table td{padding:5px 2px}
  .teleprinter .section-top{flex-wrap:wrap}
  .site-header .header-coffee img{height:22px}
  .site-header nav{gap:7px}
  .header-feedback{display:none}
}

/* Reduced motion: the OS setting or the in-game switch */
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
body.reduced-motion *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
/* Header points chip and theme toggle: make room on phones */
.site-header .dexm-tools{order:0}
@media(max-width:600px){.site-header .header-feedback{display:none}}
@media(max-width:440px){.site-header nav a[href="./about.html"]{display:none}}
@media(max-width:380px){.site-header nav a[href="./help.html"]{display:none}.site-header .dexm-chip svg{display:none}}
/* Hint prices in points */
.hint-row .dexm-cost{font-size:12px;color:var(--muted);margin-left:4px}
.hint-row button.no-points{opacity:.5;cursor:not-allowed}
.hint-row button.no-points:hover{border-color:var(--edge);color:var(--ink)}
:root[data-theme=light]{--flash:#e2f29a;--glow:#8fae00}
.demo-overlay{position:absolute;left:0;right:0;top:0;z-index:2;pointer-events:none;padding:6px 8px 0;font-family:var(--mono);font-size:12px}
.machine-stage{--demo-room:150px}
.machine-stage.demo-on{padding-top:var(--demo-room);height:calc(min(44vh,400px) + var(--demo-room))}
.machine-stage.demo-on .machine-labels{top:var(--demo-room)}
.demo-overlay{height:var(--demo-room)}
.demo-head{display:flex;justify-content:space-between;gap:4px 10px;flex-wrap:wrap;margin:0 0 6px;color:var(--muted);font-size:12px}
.demo-flags{display:grid;grid-template-columns:5fr 3fr 5fr;gap:6px;align-items:start}
.demo-flag{background:#080a08e0;border:1px solid var(--line);padding:5px 6px;min-width:0;opacity:.55}
.demo-flag.on{opacity:1}.demo-flag.now{border-color:var(--acid)}
.demo-set{margin:0 0 4px;color:var(--muted);font-size:11px}
.demo-row{display:flex;flex-wrap:wrap;align-items:center;gap:3px 6px;padding:2px 0}
.demo-row:not(.on)>*{visibility:hidden}
.demo-label{min-width:44px;color:var(--muted)}
.demo-char{font-size:15px;color:var(--acid)}
.demo-bits{display:inline-flex;gap:2px}
.demo-bits i{font-style:normal;width:16px;height:16px;display:inline-grid;place-items:center;border:1px solid var(--edge);font-size:11px;color:var(--muted)}
.demo-bits i.x{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.demo-bits.out i.x{background:var(--acid);color:#080a08;border-color:var(--acid)}
.demo-eq{color:var(--muted)}
.demo-row small,.demo-motor{color:var(--muted);font-size:11px;margin:0}
.demo-motor:not(.on){visibility:hidden}
@media(max-width:620px){.demo-flags{grid-template-columns:1fr 1fr}.demo-flag[data-set=chi]{grid-column:2;grid-row:1}.demo-flag[data-set=psi]{grid-column:1;grid-row:1}.demo-flag[data-set=mu]{grid-column:1/3;grid-row:2;display:flex;gap:8px;align-items:center;padding:3px 6px}.demo-flag[data-set=mu] .demo-set{margin:0}.demo-label{min-width:0}.demo-bits i{width:14px;height:14px;font-size:10px}.machine-stage{--demo-room:196px}.game-screen .machine-stage.demo-on{height:calc(250px + var(--demo-room))}}
:root[data-theme=light] .demo-bits i.x{color:#fbfaf6}
:root[data-theme=light] .demo-flag{background:#f4f7f4e8}
@media(max-width:420px){#speed-select{max-width:44vw}}
.pin-scope{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}.pin-scope button{min-height:44px;flex:1 1 auto}.pin-scope button[aria-pressed=true]{border-color:var(--acid);color:var(--acid)}
:root[data-theme=light] .pin-scope button[aria-pressed=true]{border-color:#5f7800;color:#3f5000}
.prove-note{margin:6px 0}
.guide{display:flex;flex-direction:column;gap:8px}.guide-step{margin:0;font-weight:600}
.guide-nav{display:flex;flex-wrap:wrap;gap:8px}.guide-nav:empty{display:none}.guide-nav button{min-height:44px;flex:1 1 auto}
.pin-sheet{margin-top:14px}
.pin-scroll{overflow-x:auto;margin:8px 0;width:0;min-width:100%}
.pin-table{border-collapse:collapse;font-family:var(--mono);font-size:12px;white-space:nowrap}
.pin-table th{padding:2px 10px 2px 0;text-align:left;color:var(--muted);font-weight:400}.pin-table td{padding:2px 0;letter-spacing:.06em}
.pin-open{min-height:44px;width:100%;margin:4px 0 8px}
.pin-list summary{min-height:44px;display:flex;align-items:center;cursor:pointer;color:var(--muted);font-size:13px}
.pin-wheels{display:grid;grid-template-columns:repeat(6,minmax(44px,1fr));gap:4px;margin:8px 0}
.pin-wheels button{min-height:44px}
.pin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(44px,1fr));gap:4px;margin-top:6px}
.pin{min-height:44px;min-width:44px;padding:0;font-size:11px;font-family:var(--mono);color:var(--muted)}
.pin.up{background:var(--acid);color:#080a08;border-color:var(--acid)}
:root[data-theme=light] .pin.up{background:var(--acid);color:#080a08;border-color:var(--acid-ink)}
.panel-toggle{min-height:44px;min-width:44px;padding:0 6px;margin-left:auto;font-size:13px;text-decoration:underline}
.section-top[data-panel]{gap:8px}
.hint-row .panel-toggle{min-height:44px;min-width:44px;padding:0 6px}
.hint-head{display:inline-flex;align-items:center;gap:6px}.hint-buttons{display:contents}.hint-buttons[hidden]{display:none}
.machine-stage.pick .machine-labels{pointer-events:none}
.machine-stage.pick .wheel-label{pointer-events:auto;cursor:pointer;min-width:30px;min-height:44px;display:flex;flex-direction:column;justify-content:flex-end}
.machine-stage.pick canvas{cursor:pointer}
.machine-stage.face-on{height:auto;min-height:min(86vh,720px);padding-top:0}
.machine-stage.face-on>canvas,.machine-stage.face-on .machine-labels,.machine-stage.face-on .renderer-note,.machine-stage.face-on .demo-overlay{display:none!important}
.pin-face{display:flex;flex-direction:column;gap:8px;padding:10px;min-height:min(86vh,720px)}
.face-top{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.face-name{margin:0;font-family:var(--mono);font-size:14px}
.face-back,.face-controls button{min-height:44px;min-width:44px}
.face-strip{position:relative;overflow:hidden;width:calc((var(--reach,4) * 2 + 1) * 44px);max-width:100%;margin:0 auto;padding-top:14px}
.strip-pointer{position:absolute;top:0;left:50%;transform:translateX(-50%);width:0;height:0;border-left:8px solid transparent;border-right:8px solid transparent;border-top:12px solid #ff4d3d;z-index:1}
.strip-track{display:flex;margin-left:-44px;width:calc((var(--reach,4) * 2 + 3) * 44px);will-change:transform}
.strip-pin{flex:0 0 44px;min-width:44px;min-height:64px;padding:4px 0 6px;display:flex;flex-direction:column;align-items:center;justify-content:space-between;background:none;border:1px solid transparent;font-family:var(--mono)}
.strip-n{font-size:11px;color:var(--muted)}
.strip-line{display:block;width:6px;height:16px;border-radius:3px;background:#3a4235;margin-top:14px}
.strip-pin.up .strip-line{height:30px;margin-top:0;background:var(--acid)}
.face-strip .strip-pin,.face-strip .strip-pin[aria-pressed=true],.face-strip .strip-pin:hover:not(:disabled){background:none;border-color:transparent;color:inherit}
.face-strip .strip-pin.cur{border-color:var(--acid);background:rgba(214,255,0,.08)}.strip-pin.cur .strip-n{color:var(--ink);font-weight:700}
.strip-pin.cur .strip-line{background:#fff}
@media(prefers-reduced-motion:reduce){.strip-track{transition:none!important}}
:root[data-theme=light] .strip-pointer{border-top-color:#c4281b}
.face-caption{margin:0;font-size:11px;color:var(--muted);text-align:center;letter-spacing:.04em}
.face-top .face-extra{display:flex;gap:8px;flex-wrap:wrap;margin-left:auto}.face-extra button{min-height:44px}
.face-strip .strip-pin.differs .strip-n::after{content:"";display:block;width:6px;height:6px;margin:2px auto 0;border-radius:50%;background:#ffbf69}
:root[data-theme=light] .face-strip .strip-pin.differs .strip-n::after{background:#9a6a00}
.strip-pin:focus-visible{outline:3px solid var(--acid);outline-offset:-3px}
:root[data-theme=light] .face-strip .strip-pin,:root[data-theme=light] .face-strip .strip-pin[aria-pressed=true],:root[data-theme=light] .face-strip .strip-pin:hover:not(:disabled){background:none;border-color:transparent;color:inherit}
:root[data-theme=light] .face-strip .strip-pin.cur{border-color:#5f7800;background:rgba(95,120,0,.1)}
:root[data-theme=light] .strip-line{background:#b9c0b0}
:root[data-theme=light] .strip-pin.up .strip-line{background:#5f7800}
:root[data-theme=light] .strip-pin.cur .strip-line{background:#050705}
.face-wheel{flex:1;display:grid;place-items:center;touch-action:none;cursor:grab;min-height:260px}
.face-wheel:focus-visible{outline:3px solid var(--acid);outline-offset:-3px}
/* small enough that the step buttons under it stay above the fold on a laptop */
.face-svg{width:max(240px,min(100%,calc(100vh - 410px),560px));height:auto}
#guide,#machine-stage,.qep-book,.section-top{scroll-margin-top:calc(var(--header) + 12px)}
.face-disc{fill:#141b10;stroke:var(--edge);stroke-width:1.5}.face-hub{fill:#2b3327}
.face-svg .cam{stroke:#3a4235;stroke-width:5;stroke-linecap:round;cursor:pointer}
.face-svg .cam.up{stroke:var(--acid);stroke-width:6}
.face-svg .cam.cur{stroke:#fff}.face-svg .cam.up.cur{stroke:#fff;stroke-width:8}
.face-svg .cam-n{fill:var(--muted);font:9px var(--mono);text-anchor:middle}.face-svg .cam-n.cur{fill:var(--ink);font-weight:700;font-size:12px}
.face-pointer{fill:var(--acid)}
.face-controls{display:grid;grid-template-columns:1fr 1fr 1.4fr 1fr 1fr;gap:6px}
@media(max-width:620px){.face-controls{grid-template-columns:1fr 1fr}.face-controls .face-pin{grid-column:1/3;grid-row:1}.machine-stage.face-on,.pin-face{min-height:auto}}
:root[data-theme=light] .face-disc{fill:#e4e8e1;stroke:var(--edge)}
:root[data-theme=light] .face-hub{fill:#c3c8ba}
:root[data-theme=light] .face-svg .cam{stroke:#b9c0b0}
:root[data-theme=light] .face-svg .cam.up{stroke:#5f7800}
:root[data-theme=light] .face-svg .cam.cur{stroke:#050705}
:root[data-theme=light] .face-svg .cam.up.cur{stroke:#050705}
:root[data-theme=light] .face-pointer{fill:#5f7800}
.read-aid{margin-top:12px;padding:10px 12px 12px;border:1px solid var(--line);background:var(--panel)}
.read-aid .eyebrow{margin:0}.read-aid>.tiny{margin:6px 0 10px}
.aid-row{display:flex;align-items:center;justify-content:space-between;gap:8px}
.aid-holes{display:flex;align-items:center;gap:6px;padding:6px 10px;background:var(--paper);border-top:2px solid #d3cba9;border-bottom:2px solid #d3cba9}
.aid-hole{width:44px;height:44px;min-height:44px;padding:0;border-radius:50%;border:2px dashed #8f8668;background:var(--paper);color:#5a5440;font:700 12px var(--mono);display:grid;place-items:center}
.aid-hole.on{background:#050705;border:2px solid #050705;color:var(--paper)}
.aid-hole:hover:not(:disabled){border-color:#050705;color:#050705}
.aid-hole.on:hover:not(:disabled){color:var(--paper)}
.aid-hole:focus-visible{outline:3px solid #0b0e0c;outline-offset:2px}
.aid-sprocket{width:8px;height:8px;border-radius:50%;background:#050705}
.aid-nav{min-height:44px;min-width:64px}
.aid-tools{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.aid-tools button{min-height:44px}
#aid-shift[aria-pressed=true]{border-color:var(--amber);color:var(--amber)}
button.frame.aid-current{background:#d6ff00a6;box-shadow:inset 0 0 0 2px #050705}
.cheat-table tr.aid-match td{background:#d6ff0026;font-weight:700}
.cheat-table tr.aid-match td.aid-col{background:var(--acid);color:#080a08}
.hard-reply{margin-top:14px;padding:10px 12px 12px;border:1px solid var(--line);background:var(--panel)}
.hard-reply .eyebrow{margin:0}.hard-reply>.tiny{margin:6px 0 8px}
.reply-plain{margin:0 0 10px;font:700 15px/1.5 var(--mono);color:var(--acid)}
.hard-reply.sent{border-color:var(--acid)}
.hard-reply.sent #reply-state{color:var(--acid)}
.hard-reply .primary{margin-top:10px;justify-content:center}
.card-reply-label{margin:14px 0 4px;color:var(--muted)}
.card-reply{border-left-color:var(--amber)}
:root[data-theme=light] .aid-holes{border-top-color:#d3cba9;border-bottom-color:#d3cba9}
:root[data-theme=light] .aid-hole.on{background:#050705;border-color:#050705;color:var(--paper)}
:root[data-theme=light] .aid-hole:hover:not(:disabled){border-color:#050705}
:root[data-theme=light] .aid-sprocket{background:#050705}
:root[data-theme=light] button.frame.aid-current{box-shadow:inset 0 0 0 2px #050705}
@media(max-width:420px){.aid-row{flex-wrap:wrap;justify-content:center}.aid-holes{order:-1;width:100%;justify-content:center;gap:4px;padding:6px 4px}.aid-nav{flex:1}}
/* light theme: built by build/light.py from the rules above, do not edit by hand */
:root[data-theme=light]{color-scheme:light;--bg:#f3f2ec;--panel:#fbfaf6;--ink:#15170f;--muted:#4f5747;--line:#d4d7cb;--edge:#828a78;--red:#a3261c;--amber:#7a4a00;--acid-ink:#4b5e00}
html[data-theme=light]{background:#ebf1eb}:root[data-theme=light] body{background:var(--bg);color:var(--ink)}:root[data-theme=light] button{border:1px solid var(--edge);background:#f4f7f4;color:var(--ink)}:root[data-theme=light] button:hover:not(:disabled){border-color:var(--acid-ink);color:var(--acid-ink)}:root[data-theme=light] a{color:inherit;text-decoration:none}:root[data-theme=light] a:hover{color:var(--acid-ink)}:root[data-theme=light] :focus-visible{outline:3px solid var(--acid-ink)}:root[data-theme=light] button[aria-pressed=true],:root[data-theme=light] button[aria-selected=true]{color:#080a08;background:var(--acid);border-color:var(--acid-ink)}:root[data-theme=light] button[aria-pressed=true]:hover:not(:disabled),:root[data-theme=light] button[aria-selected=true]:hover:not(:disabled){color:#080a08}:root[data-theme=light] select,:root[data-theme=light] input[type=number],:root[data-theme=light] input[type=text],:root[data-theme=light] textarea{background:#f4f7f4;color:var(--ink);border:1px solid var(--edge)}:root[data-theme=light] input[type=checkbox]{accent-color:var(--acid-ink)}:root[data-theme=light] [aria-invalid=true]{border-color:var(--red)!important}:root[data-theme=light] .acid{color:var(--acid-ink)}:root[data-theme=light] .muted{color:var(--muted)}:root[data-theme=light] .tiny{color:var(--muted)}:root[data-theme=light] .eyebrow{color:var(--muted)}:root[data-theme=light] .field-error{color:var(--red)}:root[data-theme=light] .primary{background:var(--acid);border-color:var(--acid-ink);color:#11150a}:root[data-theme=light] .primary:hover:not(:disabled){background:#e6ff59;color:#050705;border-color:#7d9108}:root[data-theme=light] .secondary{background:#f1f4f2}:root[data-theme=light] .text-button{background:none;border:0;color:var(--muted)}:root[data-theme=light] .sr-only{border:0}:root[data-theme=light] .skip-link{background:var(--acid);color:#000000}:root[data-theme=light] .site-header{border-bottom:1px solid var(--line);background:rgba(238,241,238,0.929)}:root[data-theme=light] .wordmark{border:0;background:none;color:var(--ink)}:root[data-theme=light] .wordmark:hover:not(:disabled){color:var(--ink)}:root[data-theme=light] .wordmark svg{stroke:var(--acid-ink);fill:none}:root[data-theme=light] .header-sub{color:var(--muted)}:root[data-theme=light] .header-day{color:var(--muted)}:root[data-theme=light] .icon-button{border:0;background:none}:root[data-theme=light] .header-feedback{color:var(--muted);border-bottom:1px dotted var(--edge)}:root[data-theme=light] .header-feedback:hover{color:var(--acid-ink);border-color:var(--acid-ink)}:root[data-theme=light] .header-coffee:hover img{filter:brightness(1.06)}:root[data-theme=light] .site-footer{border-top:1px solid var(--line);background:#eef1ee;color:var(--muted)}:root[data-theme=light] .site-footer a{color:var(--ink)}:root[data-theme=light] .footer-home{color:var(--acid-ink)!important}:root[data-theme=light] .title-copy{background:linear-gradient(90deg,#eef1ee 70%,rgba(238,241,238,0.0))}:root[data-theme=light] .hero-detail{color:var(--muted)}:root[data-theme=light] .signed-note{border-top:1px solid var(--line)}:root[data-theme=light] .signed-note a,:root[data-theme=light] .feedback-invite a{color:var(--acid-ink);text-decoration:underline}:root[data-theme=light] .arthur-photo{color:var(--muted)}:root[data-theme=light] .photo-frame{border:1px solid var(--edge);background:#f4f7f4}:root[data-theme=light] .stl-button{background:var(--stl-blue);color:var(--stl-ink)!important;border:1px solid var(--stl-blue);box-shadow:0 0 0 1px rgba(255,255,255,0.078),0 6px 22px rgba(8,47,145,0.139);text-decoration:none!important}:root[data-theme=light] .stl-button:hover{background:var(--stl-blue-hover);border-color:var(--stl-blue-hover);color:var(--stl-ink)}:root[data-theme=light] .stl-button:focus-visible{outline:3px solid var(--acid-ink)}:root[data-theme=light] .stl-alt{color:var(--ink);border-bottom:1px solid var(--edge)}:root[data-theme=light] .stl-alt:hover{color:var(--acid-ink);border-color:var(--acid-ink)}:root[data-theme=light] .decoded-card .stl-slot{border-top:1px solid var(--line)}:root[data-theme=light] .disclaimer{color:var(--muted)}:root[data-theme=light] .title-links a{color:var(--ink);border-bottom:1px solid var(--edge)}:root[data-theme=light] .title-links span{color:var(--muted)}:root[data-theme=light] .machine-stage{background:radial-gradient(ellipse at 50% 60%,#f6f8f5 0%,#eef1ee 70%);border:1px solid var(--line)}:root[data-theme=light] body[data-screen=title] .machine-stage{border:0;background:radial-gradient(ellipse at 55% 55%,#f6f8f5 0%,#eef1ee 68%)}:root[data-theme=light] .wheel-label{color:var(--ink);background:rgba(238,241,238,0.784)}:root[data-theme=light] .wheel-label b{color:var(--acid-ink)}:root[data-theme=light] .wheel-label.moved b{color:#000000}:root[data-theme=light] .renderer-note{color:var(--muted)}:root[data-theme=light] .card-box{background:var(--panel);border:1px solid var(--line)}:root[data-theme=light] .intercept h1 span{color:var(--acid-ink)}:root[data-theme=light] .cipher-text{background:#f3f6f2;border:1px solid var(--line);color:#3c4919}:root[data-theme=light] .qep-table th,:root[data-theme=light] .qep-table td{border-bottom:1px solid var(--line)}:root[data-theme=light] .qep-table th{color:var(--muted)}:root[data-theme=light] .qep-table th.grp-mu,:root[data-theme=light] .qep-table td.grp-mu{background:#f4f6f2}:root[data-theme=light] .qep-table td:first-child,:root[data-theme=light] .qep-table th:first-child{color:var(--acid-ink)}:root[data-theme=light] .qep-table .smudge{color:var(--amber);text-shadow:0 0 6px rgba(145,87,8,0.267)}:root[data-theme=light] .qep-table tr.today-line td{box-shadow:inset 0 0 0 100vmax rgba(123,145,8,0.04)}:root[data-theme=light] .qep-table tr.today-line td:first-child{box-shadow:inset 3px 0 0 rgba(123,145,8,0.5),inset 0 0 0 100vmax rgba(123,145,8,0.04)}:root[data-theme=light] .qep-table .smudge-read{color:var(--acid-ink);text-shadow:none}:root[data-theme=light] .dial-name{color:var(--muted)}:root[data-theme=light] .dial-mu .dial-name{color:var(--amber)}:root[data-theme=light] .dial input{color:var(--acid-ink);background:#f3f6f2}:root[data-theme=light] .dial.dragging input{border-color:var(--acid-ink)}:root[data-theme=light] .action-bar{background:#eef1ee;border:1px solid var(--line)}:root[data-theme=light] .hint-row small{color:var(--muted)}:root[data-theme=light] .score-display{color:var(--acid-ink)}:root[data-theme=light] .feedback{background:#f5f7f4;border:1px solid #c7d4bf}:root[data-theme=light] .feedback.good{border-color:#869160}:root[data-theme=light] .feedback.good p{color:var(--acid-ink)}:root[data-theme=light] .feedback.bad{border-color:#a7847b}:root[data-theme=light] .feedback.bad p{color:#9f1e04}:root[data-theme=light] .chi-row label{color:var(--muted)}:root[data-theme=light] .teleprinter{background:var(--panel);border:1px solid var(--line)}:root[data-theme=light] .tape-wrap{background:#ebf1eb;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}:root[data-theme=light] .printed{background:#f3f6f2;border:1px solid var(--line)}:root[data-theme=light] .printed-text .caret{background:var(--acid)}:root[data-theme=light] .decoded-card{background:rgba(239,243,241,0.961);border:1px solid var(--acid-ink);box-shadow:0 12px 40px rgba(30,34,22,0.24)}:root[data-theme=light] .decoded-card .eyebrow{color:var(--acid-ink)}:root[data-theme=light] .decoded-card blockquote{border-left:2px solid var(--acid-ink)}:root[data-theme=light] .decoded-card dl{border-top:1px solid var(--line)}:root[data-theme=light] .decoded-card dt{color:var(--muted)}:root[data-theme=light] .decoded-total{color:var(--acid-ink);border-top:1px solid var(--line)}:root[data-theme=light] .card-close{border:0;background:none;color:var(--muted)}:root[data-theme=light] .countdown{color:var(--muted)}:root[data-theme=light] dialog{background:#f0f3f1;color:var(--ink);border:1px solid var(--acid-ink)}:root[data-theme=light] dialog::backdrop{background:rgba(20,22,15,0.45)}:root[data-theme=light] dialog .section-top button{border:0;background:none}:root[data-theme=light] .toast{background:var(--acid);color:#080a08}:root[data-theme=light] .storage-note{background:#f0f3f1;border:1px solid var(--acid-ink);color:var(--ink);box-shadow:0 10px 30px rgba(30,34,22,0.16)}:root[data-theme=light] .storage-note a{color:var(--acid-ink);text-decoration:underline}:root[data-theme=light] .storage-note button{background:var(--acid);color:#080a08;border:0}:root[data-theme=light] .document-page p,:root[data-theme=light] .document-page li{color:#333c2d}:root[data-theme=light] .document-page a:not(.primary):not(.bmc-link){color:var(--acid-ink);text-decoration:underline}:root[data-theme=light] .document-page .lede{color:var(--ink)}:root[data-theme=light] .document-page .log-list time{color:var(--ink)}:root[data-theme=light] .document-page th,:root[data-theme=light] .document-page td{border:1px solid var(--line)}:root[data-theme=light] .document-page code{color:var(--acid-ink)}:root[data-theme=light] .preamble-box{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}:root[data-theme=light] .qep-guess-row input{color:var(--acid-ink)}:root[data-theme=light] .punch-tape{background:var(--paper);border-top:2px solid #564e2c;border-bottom:2px solid #564e2c}:root[data-theme=light] .frame{border:0;background:none;color:var(--paper-ink)}:root[data-theme=light] .frame i{box-shadow:inset 0 0 0 1px #c8bf98}:root[data-theme=light] .frame i.on{background:#ebf1eb;box-shadow:none}:root[data-theme=light] .frame i.sp{background:#ebf1eb;box-shadow:none}:root[data-theme=light] button.frame:hover:not(:disabled){background:rgba(123,145,8,0.402);color:var(--paper-ink)}:root[data-theme=light] button.frame.read{background:rgba(159,191,0,0.349)}:root[data-theme=light] button.frame:focus-visible{outline:2px solid #0b0e0c}:root[data-theme=light] .frame-num{color:#3d4130}:root[data-theme=light] .frame.mini{background:var(--paper)}:root[data-theme=light] .out-tape>.tiny{color:var(--paper-ink)}:root[data-theme=light] .hard-out{background:#f3f6f2;border:1px solid var(--line)}:root[data-theme=light] #revealed-chars{color:var(--acid-ink)}:root[data-theme=light] .book-pager{border:1px solid var(--line);background:#f3f6f2}:root[data-theme=light] .book-date{color:var(--paper)}:root[data-theme=light] .page-turn{border:0;background:none;color:var(--acid-ink)}:root[data-theme=light] .cheat-scroll{border:1px solid var(--line)}:root[data-theme=light] .cheat-table th,:root[data-theme=light] .cheat-table td{border-bottom:1px solid var(--line)}:root[data-theme=light] .cheat-table th{background:#f0f3f1;color:var(--muted)}:root[data-theme=light] .cheat-table td:nth-child(2){color:var(--acid-ink)}:root[data-theme=light] .cheat-table .dc{color:var(--muted)}:root[data-theme=light] .hard-card{border-color:#b38109;box-shadow:0 0 0 1px rgba(145,104,8,0.2),0 0 26px rgba(145,104,8,0.1),0 12px 40px rgba(30,34,22,0.24)}:root[data-theme=light] .hard-card .eyebrow{color:#815c03}:root[data-theme=light] .hard-burst::before,:root[data-theme=light] .hard-burst::after{border:3px solid var(--acid-ink)}:root[data-theme=light] .hard-burst::after{border-color:#b38109}@media(max-width:760px){:root[data-theme=light] body[data-screen=title] .machine-stage{border-bottom:1px solid var(--line)}:root[data-theme=light] .title-copy{background:none}}:root[data-theme=light] .hint-row .dexm-cost{color:var(--muted)}:root[data-theme=light] .hint-row button.no-points:hover{border-color:var(--edge);color:var(--ink)}:root[data-theme=light]{--flash:#e2f29a;--glow:#8fae00}:root[data-theme=light] .demo-head{color:var(--muted)}:root[data-theme=light] .demo-flag{background:rgba(238,241,238,0.878);border:1px solid var(--line)}:root[data-theme=light] .demo-flag.now{border-color:var(--acid-ink)}:root[data-theme=light] .demo-set{color:var(--muted)}:root[data-theme=light] .demo-label{color:var(--muted)}:root[data-theme=light] .demo-char{color:var(--acid-ink)}:root[data-theme=light] .demo-bits i{border:1px solid var(--edge);color:var(--muted)}:root[data-theme=light] .demo-bits i.x{background:var(--ink);color:#080a08;border-color:var(--ink)}:root[data-theme=light] .demo-bits.out i.x{background:var(--acid);color:#080a08;border-color:var(--acid-ink)}:root[data-theme=light] .demo-eq{color:var(--muted)}:root[data-theme=light] .demo-row small,:root[data-theme=light] .demo-motor{color:var(--muted)}:root[data-theme=light] .demo-bits i.x{color:#fbfaf6}:root[data-theme=light] .demo-flag{background:#f4f7f4e8}:root[data-theme=light] .pin-scope button[aria-pressed=true]{border-color:var(--acid-ink);color:var(--acid-ink)}:root[data-theme=light] .pin-scope button[aria-pressed=true]{border-color:#5f7800;color:#3f5000}:root[data-theme=light] .pin-table th{color:var(--muted)}:root[data-theme=light] .pin-list summary{color:var(--muted)}:root[data-theme=light] .pin{color:var(--muted)}:root[data-theme=light] .pin.up{background:var(--acid);color:#080a08;border-color:var(--acid-ink)}:root[data-theme=light] .pin.up{background:var(--acid);color:#080a08;border-color:var(--acid-ink)}:root[data-theme=light] .panel-toggle{text-decoration:underline}:root[data-theme=light] .strip-pointer{border-left:8px solid transparent;border-right:8px solid transparent;border-top:12px solid #c2190a}:root[data-theme=light] .strip-pin{background:none;border:1px solid transparent}:root[data-theme=light] .strip-n{color:var(--muted)}:root[data-theme=light] .strip-line{background:#fefefe}:root[data-theme=light] .strip-pin.up .strip-line{background:var(--acid)}:root[data-theme=light] .face-strip .strip-pin,:root[data-theme=light] .face-strip .strip-pin[aria-pressed=true],:root[data-theme=light] .face-strip .strip-pin:hover:not(:disabled){background:none;border-color:transparent;color:inherit}:root[data-theme=light] .face-strip .strip-pin.cur{border-color:var(--acid-ink);background:rgba(123,145,8,0.128)}:root[data-theme=light] .strip-pin.cur .strip-n{color:var(--ink)}:root[data-theme=light] .strip-pin.cur .strip-line{background:#ffffff}:root[data-theme=light] .strip-pointer{border-top-color:#c4281b}:root[data-theme=light] .face-caption{color:var(--muted)}:root[data-theme=light] .face-strip .strip-pin.differs .strip-n::after{background:#ffbf69}:root[data-theme=light] .face-strip .strip-pin.differs .strip-n::after{background:#9a6a00}:root[data-theme=light] .strip-pin:focus-visible{outline:3px solid var(--acid-ink)}:root[data-theme=light] .face-strip .strip-pin,:root[data-theme=light] .face-strip .strip-pin[aria-pressed=true],:root[data-theme=light] .face-strip .strip-pin:hover:not(:disabled){background:none;border-color:transparent;color:inherit}:root[data-theme=light] .face-strip .strip-pin.cur{border-color:#5f7800;background:rgba(95,120,0,.1)}:root[data-theme=light] .strip-line{background:#b9c0b0}:root[data-theme=light] .strip-pin.up .strip-line{background:#5f7800}:root[data-theme=light] .strip-pin.cur .strip-line{background:#050705}:root[data-theme=light] .face-wheel:focus-visible{outline:3px solid var(--acid-ink)}:root[data-theme=light] .face-disc{fill:#141b10;stroke:var(--edge)}:root[data-theme=light] .face-hub{fill:#2b3327}:root[data-theme=light] .face-svg .cam{stroke:#3a4235}:root[data-theme=light] .face-svg .cam.up{stroke:var(--acid-ink)}:root[data-theme=light] .face-svg .cam.cur{stroke:#000000}:root[data-theme=light] .face-svg .cam.up.cur{stroke:#000000}:root[data-theme=light] .face-svg .cam-n{fill:var(--muted)}:root[data-theme=light] .face-svg .cam-n.cur{fill:var(--ink)}:root[data-theme=light] .face-pointer{fill:var(--acid-ink)}:root[data-theme=light] .face-disc{fill:#e4e8e1;stroke:var(--edge)}:root[data-theme=light] .face-hub{fill:#c3c8ba}:root[data-theme=light] .face-svg .cam{stroke:#b9c0b0}:root[data-theme=light] .face-svg .cam.up{stroke:#5f7800}:root[data-theme=light] .face-svg .cam.cur{stroke:#050705}:root[data-theme=light] .face-svg .cam.up.cur{stroke:#050705}:root[data-theme=light] .face-pointer{fill:#5f7800}:root[data-theme=light] .read-aid{border:1px solid var(--line);background:var(--panel)}:root[data-theme=light] .aid-holes{background:var(--paper);border-top:2px solid #564e2c;border-bottom:2px solid #564e2c}:root[data-theme=light] .aid-hole{border:2px dashed #958c6d;background:var(--paper);color:#5a5440}:root[data-theme=light] .aid-hole.on{background:#ebf1eb;border:2px solid #f8faf8;color:var(--paper)}:root[data-theme=light] .aid-hole:hover:not(:disabled){border-color:#f8faf8;color:#050705}:root[data-theme=light] .aid-hole.on:hover:not(:disabled){color:var(--paper)}:root[data-theme=light] .aid-hole:focus-visible{outline:3px solid #0b0e0c}:root[data-theme=light] .aid-sprocket{background:#ebf1eb}:root[data-theme=light] #aid-shift[aria-pressed=true]{border-color:var(--amber);color:var(--amber)}:root[data-theme=light] button.frame.aid-current{background:rgba(214,255,0,0.651);box-shadow:inset 0 0 0 2px rgba(30,34,22,0.3)}:root[data-theme=light] .cheat-table tr.aid-match td{background:rgba(123,145,8,0.238)}:root[data-theme=light] .cheat-table tr.aid-match td.aid-col{background:var(--acid);color:#080a08}:root[data-theme=light] .hard-reply{border:1px solid var(--line);background:var(--panel)}:root[data-theme=light] .reply-plain{color:var(--acid-ink)}:root[data-theme=light] .hard-reply.sent{border-color:var(--acid-ink)}:root[data-theme=light] .hard-reply.sent #reply-state{color:var(--acid-ink)}:root[data-theme=light] .card-reply-label{color:var(--muted)}:root[data-theme=light] .card-reply{border-left-color:var(--amber)}:root[data-theme=light] .aid-holes{border-top-color:#d3cba9;border-bottom-color:#d3cba9}:root[data-theme=light] .aid-hole.on{background:#050705;border-color:#050705;color:var(--paper)}:root[data-theme=light] .aid-hole:hover:not(:disabled){border-color:#050705}:root[data-theme=light] .aid-sprocket{background:#050705}:root[data-theme=light] button.frame.aid-current{box-shadow:inset 0 0 0 2px #050705}
/* end light theme */