:root {
  --bg: #050806;
  --green: #39ff7a;
  --dim: #1f8c47;
  --faint: #12361f;
  --orange: #ff5c35;
  --orange-glow: 0 0 6px rgba(255, 92, 53, .5), 0 0 18px rgba(255, 92, 53, .2);
  --glow: 0 0 6px rgba(57, 255, 122, .45), 0 0 18px rgba(57, 255, 122, .18);
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --vt: "VT323", "IBM Plex Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--green); }
body { font: 13px/1.5 var(--mono); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
::selection { background: var(--green); color: var(--bg); }

/* CRT: scanlines, flicker and vignette */
.crt { position: relative; min-height: 100vh; min-height: 100dvh; display: grid; grid-template-rows: auto 1fr auto; padding: clamp(20px, 5vw, 64px) clamp(16px, 6vw, 96px) 16px; text-shadow: var(--glow); }
.crt::before { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 3; background: repeating-linear-gradient(to bottom, rgba(0, 0, 0, 0) 0 2px, rgba(0, 0, 0, .28) 2px 3px); }
.crt::after { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 4; background: radial-gradient(ellipse at center, rgba(57, 255, 122, .05) 0%, rgba(0, 0, 0, 0) 55%, rgba(0, 0, 0, .55) 100%); animation: flicker 4s infinite steps(1); }
@keyframes flicker { 0%, 100% { opacity: 1; } 47% { opacity: .92; } 48% { opacity: 1; } 83% { opacity: .96; } }

.top { display: grid; grid-template-columns: minmax(0, auto) minmax(0, 1fr); gap: 16px clamp(24px, 4vw, 64px); align-items: start; }
.tagline { margin: 0; min-height: 2.2em; font: 400 clamp(24px, 2.8vw, 40px)/1.1 var(--vt); text-align: right; }
.tagline .cursor { width: .45em; }
.log { margin: 0; min-height: 13.5em; font: inherit; font-size: 12px; line-height: 1.5; white-space: pre; overflow: hidden; color: var(--green); opacity: .85; }
.log .dim { color: var(--dim); }

.stage { display: flex; align-items: center; padding: 24px 0; }
.screen { width: 100%; max-width: 760px; margin: 0 auto; }
.screen[hidden] { display: none; }

.big, .mid { font-family: var(--vt); font-weight: 400; margin: 0; letter-spacing: .02em; line-height: 1; white-space: nowrap; }
.big { font-size: clamp(34px, 8.6vw, 92px); }
.mid { font-size: clamp(28px, 6vw, 56px); white-space: normal; }
.caret { margin-right: .1em; }
.cursor { display: inline-block; width: .5em; height: .9em; margin-left: .08em; vertical-align: -.08em; background: var(--green); box-shadow: var(--glow); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.key { display: inline-flex; align-items: center; gap: 10px; margin-top: 32px; padding: 8px 14px; font: 600 13px/1 var(--mono); letter-spacing: .04em; color: var(--orange); background: transparent; border: 1px solid var(--orange); box-shadow: var(--orange-glow), inset 0 0 12px rgba(255, 92, 53, .14); text-shadow: var(--orange-glow); cursor: pointer; text-transform: uppercase; }
.key b { padding: 3px 6px; background: var(--orange); color: var(--bg); text-shadow: none; }
.key:hover, .key:focus-visible { background: rgba(255, 92, 53, .12); outline: none; }
.key[disabled] { opacity: .5; cursor: progress; }
[data-screen="boot"] { text-align: left; }
[data-screen="boot"] .key { display: flex; margin: 36px auto 0; }
[data-screen="boot"] .key[hidden] { display: none; }
.skip { margin: 28px 0 0; font-size: 11px; color: var(--dim); text-transform: uppercase; letter-spacing: .08em; }
.skip[hidden] { display: none; }

.menu { list-style: none; margin: 32px 0 0; padding: 0; display: grid; gap: 6px; }
.menu button { width: 100%; text-align: left; padding: 8px 12px; font: 400 clamp(26px, 5vw, 40px)/1 var(--vt); color: var(--green); background: transparent; border: 0; text-shadow: var(--glow); cursor: pointer; }
.menu button span { color: var(--dim); }
.menu button.on, .menu button:hover, .menu button:focus-visible { background: var(--green); color: var(--bg); text-shadow: none; outline: none; }
.menu button.on span, .menu button:hover span, .menu button:focus-visible span { color: var(--bg); }
.hint { margin: 20px 0 0; font-size: 11px; color: var(--dim); letter-spacing: .08em; }

.form .intro, [data-screen="done"] .intro { max-width: 60ch; margin: 18px 0 24px; color: var(--green); opacity: .85; }
.field { display: grid; grid-template-columns: 13ch 1fr; align-items: center; gap: 8px 14px; padding: 6px 0; }
.field span { color: var(--dim); text-transform: uppercase; letter-spacing: .06em; }
.field span::after { content: " >"; color: var(--green); }
.field input { width: 100%; min-width: 0; padding: 8px 0 6px; font: 400 22px/1.1 var(--vt); color: var(--green); caret-color: var(--green); text-shadow: var(--glow); background: transparent; border: 0; border-bottom: 1px dashed var(--dim); border-radius: 0; }
.field input:focus { outline: none; border-bottom: 1px solid var(--green); background: rgba(57, 255, 122, .05); }
.field input::placeholder { color: var(--faint); text-shadow: none; }
.field input:-webkit-autofill { -webkit-text-fill-color: var(--green); -webkit-box-shadow: 0 0 0 40px var(--bg) inset; }
.consent { display: block; margin: 18px 0 0; font-size: 12px; cursor: pointer; opacity: .9; }
.consent input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.consent i { display: inline-block; width: 4ch; font-style: normal; }
.consent i::before { content: "[ ]"; }
.consent input:checked + span i::before { content: "[x]"; }
.consent input:focus-visible + span i { background: var(--green); color: var(--bg); }
.consent a, .keys a { color: var(--green); }
.error { margin: 16px 0 0; padding: 8px 12px; border: 1px solid #ff5c5c; color: #ff8a8a; text-shadow: 0 0 6px rgba(255, 92, 92, .4); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 24px; }
.link { margin-top: 32px; padding: 0; font: inherit; font-size: 12px; color: var(--dim); background: none; border: 0; cursor: pointer; text-transform: uppercase; letter-spacing: .06em; }
.link:hover { color: var(--green); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.keys { display: flex; flex-wrap: wrap; gap: 6px 24px; padding-top: 12px; border-top: 1px solid var(--faint); font-size: 11px; color: var(--dim); letter-spacing: .06em; }
.keys b { color: var(--green); font-weight: 600; }
.keys a { color: var(--dim); text-decoration: none; }
.keys .clock { margin-left: auto; }
.noscript { position: fixed; inset: auto 16px 16px; color: var(--green); font: 13px var(--mono); }

/* Confirmation: only the smiley and the message stay on screen */
.finished .top, .finished .keys { display: none; }
.finished .crt { grid-template-rows: 1fr; }
.finished .stage { justify-content: center; }
.done { text-align: center; }
.smiley { display: inline-block; margin: 0; font: 400 clamp(14px, 3.2vw, 30px)/1 var(--mono); letter-spacing: 0; text-align: left; animation: pop .5s ease-out; }
.done .intro { margin: 40px auto 0; max-width: 34ch; text-wrap: balance; font: 400 clamp(24px, 3.4vw, 40px)/1.15 var(--vt); opacity: 1; }
@keyframes pop { from { transform: scale(.6); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* Privacy page */
.doc { max-width: 680px; padding: 8px 0 40px; }
.doc h1 { font: 400 clamp(32px, 6vw, 52px)/1 var(--vt); margin: 0 0 24px; }
.doc h2 { font: 400 26px/1 var(--vt); margin: 28px 0 8px; }
.doc p { margin: 0 0 12px; opacity: .9; max-width: 68ch; }
.doc a { color: var(--green); }

@media (max-width: 640px) {
  .top { grid-template-columns: 1fr; }
  .tagline { order: -1; text-align: left; font-size: 26px; min-height: 2.2em; }
  body { font-size: 12px; }
  .log { font-size: 10px; min-height: 11.5em; }
  .field { grid-template-columns: 1fr; gap: 2px; padding: 8px 0; }
  .field input { font-size: 24px; }
  .keys .clock { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .cursor, .crt::after { animation: none; }
}