:root { --bg: #fff; --fg: #000; --ac: var(--fg); --mute: color-mix(in srgb, var(--fg) 14%, transparent); }
.dark { --bg: #000; --fg: #fff; }

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  background: var(--bg) radial-gradient(var(--mute) 1px, transparent 1px) 0 0 / 24px 24px;
  color: var(--fg); font: 16px/1.5 ui-monospace, Menlo, Consolas, monospace;
  transition: background-color .3s, color .3s; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
nav a, footer a { background: linear-gradient(var(--ac), var(--ac)) 0 100% / 0 1px no-repeat; transition: background-size .25s; }
nav a:hover, footer a:hover { background-size: 100% 1px; }
::selection { background: var(--ac); color: var(--bg); }

.glow { position: fixed; inset: 0; pointer-events: none; z-index: -1; background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 30%), var(--mute), transparent 70%); }
.cur, .dot { position: fixed; top: 0; left: 0; pointer-events: none; z-index: 99; border-radius: 50%; }
.cur { width: 34px; height: 34px; margin: -17px 0 0 -17px; border: 1px solid var(--fg); transition: width .2s, height .2s, margin .2s, background .2s; }
.cur.big { width: 64px; height: 64px; margin: -32px 0 0 -32px; background: var(--mute); }
.dot { width: 6px; height: 6px; margin: -3px 0 0 -3px; background: var(--ac); }
@media (pointer: coarse) { .cur, .dot { display: none; } }

header {
  position: fixed; inset: 0 0 auto; height: 56px; z-index: 9;
  display: flex; align-items: center; gap: 16px; padding: 0 16px; white-space: nowrap;
  background: color-mix(in srgb, var(--bg) 75%, transparent); backdrop-filter: blur(10px);
  box-shadow: 0 1px 3px color-mix(in srgb, var(--fg) 35%, transparent);
}
.logo { font-weight: 700; transition: color .2s; }
.logo:hover { color: var(--ac); }
nav { display: flex; align-items: center; gap: 16px; margin-left: auto; overflow-x: auto; scrollbar-width: none; font-size: clamp(11px, 2.6vw, 15px); }
nav::-webkit-scrollbar { display: none; }
header button { background: none; color: inherit; border: 1px solid var(--fg); width: 28px; height: 28px; flex: none; cursor: pointer; font: inherit; transition: transform .2s; }
header button::before { content: ""; display: block; width: 14px; height: 14px; margin: auto; border-radius: 50%; border: 1px solid var(--fg); }
#invert::before { background: linear-gradient(90deg, var(--fg) 50%, transparent 50%); }
#random::before { background: conic-gradient(#f97316, #a3e635, #0284c7, #c084fc, #f97316); }
header button:active { transform: scale(.85) rotate(-20deg) !important; }

main { max-width: 1000px; margin: auto; padding: 56px 16px 48px; }
section { padding: 48px 0; }
h2 { margin-bottom: 20px; font-size: 24px; }
h2 span { color: var(--ac); font-size: 14px; vertical-align: middle; margin-right: 8px; }

.hero { position: relative; min-height: 82vh; display: flex; flex-direction: column; justify-content: center; gap: 20px; }
.ghost { position: absolute; right: -4%; top: 50%; translate: 0 -50%; font: 900 clamp(120px, 28vw, 320px)/1 system-ui, sans-serif; color: transparent; -webkit-text-stroke: 1px var(--mute); pointer-events: none; z-index: -1; transition: transform .1s linear; }
h1 { font-size: clamp(40px, 9vw, 88px); line-height: 1; letter-spacing: -.03em; }
h1 span { display: inline-block; transition: transform .25s, color .25s; }
h1 span:hover { transform: translateY(-12px) rotate(-6deg); color: var(--ac); }
.hero p { font-size: clamp(15px, 2.4vw, 20px); max-width: 520px; }
#word { display: inline-block; min-width: 4ch; color: var(--ac); font-weight: 700; transition: opacity .2s, transform .2s; }
#word.out { opacity: 0; transform: translateY(-8px); }

.eyes { display: flex; gap: 8px; }
.eye { width: 34px; height: 34px; border: 2px solid var(--fg); border-radius: 50%; display: grid; place-items: center; cursor: pointer; transition: transform .1s; }
.eye i { width: 12px; height: 12px; background: var(--fg); border-radius: 50%; }
.eyes.blink .eye { transform: scaleY(.1); }

.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { border: 1px solid var(--fg); padding: 12px 20px; display: inline-block; transition: transform .2s, background .2s, color .2s; }
.btn.solid, .btn:hover { background: var(--fg); color: var(--bg); }
.btn.solid:hover { background: var(--ac); border-color: var(--ac); }

.marquee { overflow: hidden; border-block: 1px solid var(--fg); padding: 12px 0; margin: 0 -16px; }
.marquee div { display: flex; width: max-content; animation: slide 22s linear infinite; }
.marquee:hover div { animation-play-state: paused; }
.marquee span { padding: 0 24px; text-transform: uppercase; letter-spacing: .1em; }
.marquee span::after { content: "+"; margin-left: 48px; color: var(--ac); }
@keyframes slide { to { transform: translateX(-50%); } }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); border: 1px solid var(--fg); margin-top: 48px; padding: 0; }
.stats div { padding: 20px; display: flex; flex-direction: column; }
.stats div + div { border-left: 1px solid var(--mute); }
.stats b { font-size: 36px; line-height: 1; }
.stats small { opacity: .6; }

.hint { opacity: .6; font-size: 14px; margin: -12px 0 20px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.card {
  border: 1px solid var(--fg); padding: 20px; display: flex; flex-direction: column; gap: 8px;
  background: radial-gradient(220px circle at var(--x, 50%) var(--y, 50%), var(--mute), transparent 70%), var(--bg);
  transform: perspective(700px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform .15s ease-out, box-shadow .2s;
}
.card:hover { box-shadow: 6px 6px 0 var(--ac); }
.card .top { display: flex; justify-content: space-between; align-items: center; font-size: 13px; opacity: .8; }
.st { display: flex; align-items: center; gap: 6px; background: none; border: 1px solid var(--mute); color: inherit; font: inherit; padding: 2px 8px; cursor: pointer; }
.st i { width: 8px; height: 8px; border-radius: 50%; border: 1px solid var(--fg); }
.card[data-s="running"] .st i { background: var(--ac); border-color: var(--ac); animation: pulse 1.4s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 5px transparent; opacity: .4; } }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 8px; }
.tags span { font-size: 12px; border: 1px solid var(--mute); padding: 0 6px; }
.card[data-s="stopped"] h3, .card[data-s="stopped"] p { opacity: .45; }

.rules { list-style: none; display: grid; gap: 12px; }
.rules li { border-left: 3px solid var(--ac); padding: 8px 16px; transition: transform .2s; }
.rules li:hover { transform: translateX(8px); }

.term { border: 1px solid var(--fg); background: var(--bg); }
.bar { display: flex; align-items: center; gap: 6px; padding: 8px 12px; border-bottom: 1px solid var(--mute); font-size: 12px; }
.bar i { width: 10px; height: 10px; border: 1px solid var(--fg); border-radius: 50%; }
.bar span { margin-left: auto; opacity: .6; }
pre { padding: 16px; min-height: 140px; overflow-x: auto; font: inherit; }
pre::after { content: "\2588"; animation: blink 1s steps(1) infinite; color: var(--ac); }
@keyframes blink { 50% { opacity: 0; } }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s, transform .6s; }
.reveal.in { opacity: 1; transform: none; }
.card.reveal.in { transform: perspective(700px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: opacity .6s, transform .15s ease-out, box-shadow .2s; }

.ripple { position: fixed; width: 10px; height: 10px; margin: -5px 0 0 -5px; border: 1px solid var(--ac); border-radius: 50%; pointer-events: none; z-index: 98; animation: ripple .6s ease-out forwards; }
@keyframes ripple { to { transform: scale(9); opacity: 0; } }
.party { animation: shake .4s; }
@keyframes shake { 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }

footer { display: flex; flex-wrap: wrap; gap: 32px; justify-content: space-between; max-width: 1000px; margin: auto; padding: 32px 16px; border-top: 1px solid var(--fg); font-size: 14px; }
footer h3 { font-size: 14px; margin-bottom: 8px; color: var(--ac); }
.secret { width: 100%; opacity: .35; font-size: 12px; }
kbd { border: 1px solid var(--mute); padding: 0 4px; font: inherit; }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }