/* Hidden-frequency interaction, scoped to the poster footer and Easter-egg UI. */
[hidden]{display:none!important}
.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}
.freq-trigger{all:unset;display:inline-flex;align-items:center;cursor:ew-resize;touch-action:none;
  padding:12px 8px;margin:-12px -8px;color:inherit;transition:color .2s,text-shadow .2s}
.freq-trigger:hover,.freq-trigger:focus-visible{color:var(--red);text-shadow:0 0 12px var(--red-dim)}
.freq-trigger::after{content:"";width:3px;height:3px;margin-left:5px;background:var(--red);opacity:.45;animation:frequencyHint 5s infinite}
@keyframes frequencyHint{0%,75%,100%{opacity:.25}79%,88%{opacity:1}83%,92%{opacity:.15}}
.tuner-dialog{position:fixed;inset:0;margin:auto;width:min(440px,calc(100vw - 32px));max-height:calc(100dvh - 32px);
  padding:24px 28px 20px;border:1px solid #52242d;background:radial-gradient(ellipse at 50% 0,rgba(255,36,56,.09),transparent 70%),#0b0b0e;
  color:var(--txt);font-family:var(--sans);box-shadow:0 24px 100px #000c,0 0 50px #ff243814;overflow:auto}
.tuner-dialog::backdrop{background:rgba(0,0,0,.78);backdrop-filter:blur(6px)}
.tuner-top{display:flex;justify-content:space-between;align-items:center;font:8px var(--mono);letter-spacing:.14em;color:var(--red)}
.egg-icon-btn{all:unset;display:grid;place-items:center;width:36px;height:36px;font:24px var(--mono);color:var(--txt-2);cursor:pointer;margin:-9px -12px -9px 0}
.egg-icon-btn:hover{color:white;background:#ffffff08}
#tunerTitle{font:400 clamp(20px,4.5vw,26px) var(--display);letter-spacing:.04em;margin-top:22px}
.tuner-hint{font-size:11px;color:var(--txt-2);letter-spacing:.06em;margin-top:10px}
.frequency-readout{display:flex;align-items:baseline;justify-content:center;gap:10px;margin:28px 0 16px;font-family:var(--mono)}
.frequency-readout output{font-size:clamp(24px,6.3vw,36px);font-weight:500;letter-spacing:.025em;color:#fff;font-variant-numeric:tabular-nums}
.frequency-readout>span{font-size:10px;color:var(--red)}
.scope{height:84px;position:relative;border:1px solid #ffffff0d;background:repeating-linear-gradient(90deg,transparent 0 31px,#ffffff06 31px 32px),repeating-linear-gradient(0deg,transparent 0 20px,#ffffff06 20px 21px)}
#tunerWave{display:block;width:100%;height:100%}
.scope>span{position:absolute;left:8px;top:7px;font:6px var(--mono);letter-spacing:.15em;color:var(--txt-3)}
.scope>i{position:absolute;top:50%;left:0;right:0;border-top:1px solid #ff243815;pointer-events:none}
.signal-meta{display:flex;justify-content:space-between;margin-top:19px;font:8px var(--mono);letter-spacing:.13em;color:var(--txt-2)}
.signal-meta output{color:var(--red);font-variant-numeric:tabular-nums}
.signal-meter{height:4px;margin-top:9px;background:#ffffff0b;overflow:hidden}
.signal-meter i{display:block;height:100%;width:41%;background:var(--red);transition:width .1s;box-shadow:0 0 12px #ff2438}
.frequency-control{margin-top:20px}
#frequencySlider{display:block;width:100%;height:40px;cursor:ew-resize;appearance:none;-webkit-appearance:none;background:transparent;touch-action:none}
#frequencySlider::-webkit-slider-runnable-track{height:14px;background:repeating-linear-gradient(90deg,#58515a 0 1px,transparent 1px 10px);border-bottom:1px solid #ffffff24}
#frequencySlider::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:12px;height:30px;margin-top:-8px;background:var(--red);border:3px solid #0b0b0e;box-shadow:0 0 0 1px var(--red),0 0 18px #ff243848;border-radius:0}
#frequencySlider::-moz-range-track{height:14px;background:repeating-linear-gradient(90deg,#58515a 0 1px,transparent 1px 10px);border-bottom:1px solid #ffffff24}
#frequencySlider::-moz-range-thumb{width:6px;height:24px;background:var(--red);border:3px solid #0b0b0e;box-shadow:0 0 0 1px var(--red);border-radius:0}
#frequencySlider:focus-visible{outline:1px solid var(--red-dim);outline-offset:6px}
.frequency-scale{display:flex;justify-content:space-between;font:7px var(--mono);letter-spacing:.08em;color:var(--txt-3);margin-top:3px}
.lock-readout{display:flex;align-items:center;justify-content:center;gap:8px;font-size:11px;color:var(--txt-2);margin:24px 0 11px;letter-spacing:.04em}
.lock-dot{width:4px;height:4px;background:var(--txt-3);border-radius:50%}
.tuner-dialog.is-locking .lock-dot{background:var(--red);box-shadow:0 0 12px var(--red)}
.tuner-dialog.is-locking .frequency-readout output{color:#fff;text-shadow:0 0 24px #ff243855}
.tuner-dialog.is-locking #tuneStatus{color:var(--txt)}
.lock-progress{height:2px;width:60%;margin:auto;background:#ffffff0a}
.lock-progress i{display:block;height:100%;width:0;background:var(--red);box-shadow:0 0 10px #ff2438}
.tuner-foot{text-align:center;font-size:9px;color:var(--txt-3);margin-top:14px;letter-spacing:.03em}
.achievement-toast{position:fixed;right:max(22px,env(safe-area-inset-right));bottom:max(28px,env(safe-area-inset-bottom));z-index:100;
  width:min(350px,calc(100vw - 32px));display:flex;align-items:center;gap:16px;padding:20px;
  border:1px solid #4e2a32;border-left:3px solid var(--red);background:linear-gradient(110deg,#241017,#101014 65%);box-shadow:0 10px 55px #000b;animation:achievementIn .4s cubic-bezier(.2,.8,.2,1) both}
@keyframes achievementIn{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.achievement-icon{flex:none;display:grid;place-items:center;width:48px;height:48px;background:#ff24380d;border:1px solid #ff243840}
.achievement-icon svg{width:32px;fill:none;stroke:var(--red);stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.achievement-toast small{font-size:9px;letter-spacing:.16em;color:var(--txt-2)}
.achievement-toast strong{display:block;font:400 24px var(--display);margin:4px 0 5px;letter-spacing:.08em}
.achievement-toast p{font-size:9px;color:var(--txt-2)}
.achievement-check{margin-left:auto;color:var(--red);font:15px var(--mono)}
#easter{background:radial-gradient(ellipse 85% 55% at 50% -5%,#ff243811,transparent 70%),#050506;overflow-y:auto;overscroll-behavior:contain;padding:50px 24px 28px;scrollbar-width:thin;scrollbar-color:#4c2028 #08080a}
.egg-shell{width:min(620px,100%);margin:auto;position:relative}
.egg-topbar{display:flex;justify-content:space-between;gap:12px;font:8px var(--mono);letter-spacing:.15em;color:var(--txt-3);padding-bottom:17px;border-bottom:1px solid var(--line)}
.egg-topbar>span:first-child{color:var(--red)}
.egg-topbar i{display:inline-block;width:4px;height:4px;background:var(--red);margin-right:6px;vertical-align:middle;box-shadow:0 0 10px var(--red)}
.egg-hero{text-align:center;padding:30px 0 26px}
.egg-emblem{width:64px;height:64px;margin:0 auto 21px;border:1px solid var(--red-dim);transform:rotate(45deg);display:grid;place-items:center;background:#ff243808;box-shadow:0 0 45px #ff243811}
.egg-emblem svg{width:38px;transform:rotate(-45deg);fill:none;stroke:var(--red);stroke-width:1.1;stroke-linecap:round}
.egg-eyebrow{font:8px var(--mono);letter-spacing:.23em;color:var(--red);margin-bottom:14px}
#easterTitle{font:400 clamp(30px,5.5vw,48px)/1.2 var(--display);letter-spacing:.06em;color:#fff;text-shadow:1px 0 #ff243850,0 0 30px #ff24381a;outline:none}
.egg-description{font-size:12px;color:var(--txt-2);letter-spacing:.06em;line-height:1.8;margin-top:14px}
.is-registered .egg-hero{display:flex;align-items:center;justify-content:center;gap:22px;padding:28px 0}
.is-registered .egg-emblem{width:40px;height:40px;margin:0}
.is-registered .egg-emblem svg{width:27px}
.is-registered .egg-eyebrow,.is-registered .egg-description{display:none}
.is-registered #easterTitle{font-size:32px}
.discoverer-form{border:1px solid var(--line-2);border-top-color:var(--red-dim);background:linear-gradient(120deg,#ff243806,transparent);padding:26px;margin:12px 0 36px}
.discoverer-form>label{display:block;font-size:12px;letter-spacing:.08em;color:var(--txt-2);margin-bottom:15px}
.name-field{display:flex;align-items:center;border:1px solid #ffffff20;background:#08080a;transition:border-color .2s}
.name-field:focus-within{border-color:var(--red)}
.name-field>span{font:12px var(--mono);color:var(--red);padding-left:15px}
#discovererName{width:0;flex:1;min-width:0;padding:16px 12px;border:0;background:transparent;color:white;font:15px var(--sans);outline:none;user-select:text;-webkit-user-select:text}
#discovererName::placeholder{color:#65656f;font-size:12px}
#registerBtn{align-self:stretch;flex:none;border:0;border-left:1px solid #ff243840;background:#ff243812;color:#fff;padding:0 17px;font:11px var(--sans);letter-spacing:.08em;cursor:pointer;transition:background .2s}
#registerBtn:hover{background:#ff24382b}
#registerBtn span{font:16px var(--mono);margin-left:8px;color:var(--red)}
.name-error{min-height:17px;padding-top:9px;font-size:10px;color:#ff6574;line-height:1.6}
.my-discovery{display:flex;align-items:center;gap:17px;position:relative;padding:24px 20px 19px;margin:8px 0 27px;border:1px solid #ff24383d;background:linear-gradient(90deg,#ff243810,transparent);outline:none}
.discovery-label{position:absolute;top:-5px;left:16px;background:#090709;padding:0 6px;font:7px var(--mono);letter-spacing:.18em;color:var(--red)}
#myRank{font:500 28px var(--mono);letter-spacing:-.04em;color:var(--red);white-space:nowrap}
.my-discovery>div{min-width:0;flex:1}
#myName{font-size:14px;color:#fff;display:block;overflow-wrap:anywhere}
#myRankText{display:block;color:var(--txt-2);font-size:9px;margin-top:7px}
.rank-badge{font:8px var(--mono);letter-spacing:.1em;color:var(--red);border:1px solid #ff243840;padding:5px 7px;white-space:nowrap}
.leaderboard-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:15px}
.leaderboard-heading h2{font:400 25px var(--display);letter-spacing:.1em}
.demo-badge{border:1px solid var(--line-2);color:var(--txt-3);font-size:8px;letter-spacing:.1em;padding:5px 7px}
.leaderboard-columns,.leaderboard-rows li{display:grid;grid-template-columns:48px 1fr 70px;gap:12px;align-items:center}
.leaderboard-columns{padding:0 15px 10px;color:var(--txt-3);font-size:8px;letter-spacing:.13em}
.leaderboard-columns>span:last-child{text-align:right}
.leaderboard-rows{list-style:none;border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);max-height:390px;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#5c2630 #0b0b0e}
.leaderboard-rows li{padding:12px 15px;min-height:43px;border-bottom:1px solid var(--line);font-size:12px;color:var(--txt-2)}
.leaderboard-rows li:last-child{border-bottom:0}
.leaderboard-rows .row-rank{font:11px var(--mono);color:var(--txt-3)}
.leaderboard-rows .row-name{overflow-wrap:anywhere}
.leaderboard-rows .row-time{font:8px var(--mono);color:var(--txt-3);text-align:right}
.leaderboard-rows li:nth-child(-n+3) .row-rank{color:var(--red)}
.leaderboard-rows li.is-me{background:linear-gradient(90deg,#ff243818,#ff243803);box-shadow:inset 2px 0 var(--red);color:#fff}
.leaderboard-rows li.is-me .row-rank{color:var(--red)}
.you-tag{font-size:8px;border:1px solid #ff243840;color:var(--red);padding:1px 4px;margin-left:8px;white-space:nowrap}
.reward-note{font-size:10px;color:var(--txt-2);letter-spacing:.1em;text-align:center;margin:17px 0 26px}
.egg-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:18px;border-top:1px solid var(--line)}
.egg-back,.egg-music{all:unset;cursor:pointer;display:inline-flex;align-items:center;gap:10px;min-height:40px;font:10px var(--mono);letter-spacing:.08em;color:var(--txt-2)}
.egg-back:hover,.egg-music:hover{color:white}
.egg-signoff{text-align:center;font:7px var(--mono);letter-spacing:.2em;color:var(--txt-3);margin-top:23px;line-height:1.7}
[data-music-toggle][data-playing="true"] .music-bars i{animation:musicPulse .8s ease-in-out infinite alternate}
#easter.on .egg-shell{animation:eggIn .5s ease-out both}
@keyframes eggIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@media(max-width:760px){
  #easter{padding:30px 24px 22px}
  .egg-hero{padding:30px 0 21px}
  .egg-emblem{width:52px;height:52px;margin-bottom:24px}
  .egg-emblem svg{width:32px}
  .egg-description{font-size:10px;letter-spacing:.01em}
  .is-registered .egg-hero{gap:17px;padding:27px 0}
  .is-registered .egg-emblem{width:32px;height:32px;margin:0}
  .is-registered .egg-emblem svg{width:24px}
  .is-registered #easterTitle{font-size:25px;letter-spacing:.02em}
  .egg-topbar{font-size:7px;letter-spacing:.06em}
  .egg-eyebrow{font-size:6.5px;letter-spacing:.12em}
  .discoverer-form{padding:19px 16px;margin-bottom:25px}
  .discoverer-form>label{font-size:10px}
  #registerBtn{padding:0 10px;font-size:10px}
  #registerBtn span{margin-left:3px;font-size:12px}
  #discovererName{font-size:16px;padding:15px 8px}
  .name-field>span{padding-left:10px;font-size:10px}
  .my-discovery{gap:12px;padding:23px 12px 16px;margin-top:8px}
  #myRank{font-size:23px}
  #myName{font-size:12px}
  #myRankText{font-size:8px}
  .rank-badge{font-size:7px;padding:4px}
  .leaderboard-columns,.leaderboard-rows li{grid-template-columns:30px 1fr 52px;gap:9px}
  .leaderboard-rows li{padding:11px 10px;font-size:11px}
  .leaderboard-columns{padding:0 10px 9px;font-size:7px}
  .leaderboard-rows{max-height:280px}
  .achievement-toast{right:16px;bottom:22px;padding:16px;gap:12px}
}
@media(max-width:350px){
  #easter{padding-left:18px;padding-right:18px}
  .tuner-dialog{padding:20px}
  .rank-badge{display:none}
}
@media(max-height:700px){.leaderboard-rows{max-height:none;overflow:visible}}
@media(prefers-reduced-motion:reduce){.freq-trigger::after,.achievement-toast,#easter.on .egg-shell,[data-music-toggle] .music-bars i{animation:none!important}}