:root{color-scheme:dark;--red:#ec1f3d;--yellow:#ffe35a;--ink:#050506;--mono:'Courier New',monospace}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:#030304;color:#eee}body{font-family:var(--mono);background:radial-gradient(circle at 50% 20%,#31050d 0,transparent 34%),repeating-linear-gradient(90deg,#050505 0 80px,#080306 80px 81px)}a{color:inherit}.secret-shell{width:min(780px,calc(100% - 30px));margin:auto;padding:7vh 0 80px}.secret-kicker{color:var(--yellow);font-size:10px;letter-spacing:2px}.secret-shell h1{margin:10px 0 8px;font:clamp(48px,11vw,102px)/.84 Impact,'Arial Narrow',sans-serif;letter-spacing:-3px;color:#fff;text-shadow:5px 5px #8b0d22}.secret-shell>p{max-width:620px;color:#b9adb1;line-height:1.6}.warning{margin:30px 0;border:1px solid #5c1420;border-left:7px solid var(--red);background:#090708;padding:20px}.warning strong{display:block;color:var(--yellow);margin-bottom:6px}.door{width:min(380px,100%);min-height:300px;margin:34px auto;padding:22px;border:12px solid #1e1d20;background:linear-gradient(90deg,#560815,#9c1025 45%,#4d0711);box-shadow:inset 0 0 0 3px #d62740,8px 9px #000;display:grid;place-items:center;text-align:center;color:white}.door button{border:2px solid #111;background:#dfc16a;color:#100b07;width:72px;height:72px;border-radius:50%;font:900 12px var(--mono);box-shadow:3px 3px #160b09;cursor:pointer}.door small{display:block;margin-top:15px;color:#ffd2d8}.door-status{text-align:center;min-height:26px;color:var(--yellow);font-size:11px}.hidden-route{display:none;margin:24px auto;width:max-content;max-width:100%;padding:12px 16px;border:1px solid var(--yellow);background:#120308;color:var(--yellow);text-decoration:none;font-weight:700}.hidden-route.is-visible{display:block}.secret-back{display:inline-block;margin-top:35px;color:#ff6377;text-decoration:none}.tunnel{margin:35px 0;padding:28px;border:1px dashed #963048;background:#050505;box-shadow:inset 0 0 50px #28040a}.tunnel pre{white-space:pre-wrap;color:#d91d38;font-size:clamp(9px,2vw,13px);line-height:1.1}.tunnel h2{font:36px Impact,sans-serif;color:var(--yellow)}.tunnel p{color:#aaa;line-height:1.7}.silly-light{display:block;width:20px;height:20px;margin:35px auto;border-radius:50%;background:#ff2645;box-shadow:0 0 25px #ff2645,0 0 70px #a00422;animation:blink 1.2s steps(1) infinite}@keyframes blink{50%{opacity:.2}}@media(prefers-reduced-motion:reduce){.silly-light{animation:none}}@media(max-width:600px){.secret-shell{padding-top:38px}.door{min-height:250px}}