:root{--bg:#050607;--panel:#0a0e0d;--line:#1c2b26;--signal:#00ff9d;--text:#d4ded9;--dim:#8a9a94;--alarm:#ff2e4d;--violet:#b48cff;--r:3px;
--mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;--player-h:64px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--mono);line-height:1.6;overflow-x:hidden;padding-bottom:calc(var(--player-h) + env(safe-area-inset-bottom))}
body::after{content:'';position:fixed;inset:0;pointer-events:none;z-index:1;background:repeating-linear-gradient(to bottom,transparent 0 2px,rgba(0,0,0,.14) 3px);opacity:.35}
a{color:var(--signal)}::selection{background:var(--signal);color:#000}
:focus-visible{outline:2px solid var(--signal);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;z-index:1000;background:var(--signal);color:#000;padding:.5rem 1rem}.skip:focus{left:0}
.wrap{max-width:1040px;margin:0 auto;padding:0 clamp(1rem,3vw,2.5rem)}
button,input,select{font-family:inherit;font-size:inherit}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(5,6,7,.9);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top)}
.nav .bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;max-width:1040px;margin:0 auto;padding:.8rem clamp(1rem,3vw,2.5rem);flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.5rem;color:var(--text);text-decoration:none;letter-spacing:.1em;font-size:.82rem}
.brand .logo{width:22px;height:22px}
.nav ul{display:flex;gap:1.1rem;list-style:none;flex-wrap:wrap;font-size:.78rem;letter-spacing:.08em}
.nav ul a{color:var(--dim);text-decoration:none;text-transform:uppercase}.nav ul a:hover,.nav ul a[aria-current]{color:var(--signal)}
/* hero */
.hero{min-height:72vh;display:grid;place-items:center;text-align:center;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero .portal{position:absolute;inset:0;background:radial-gradient(circle at 50% 45%,rgba(0,255,157,.18),transparent 40%),radial-gradient(circle at 50% 45%,rgba(180,140,255,.12),transparent 60%),repeating-radial-gradient(circle at 50% 45%,transparent 0 22px,rgba(0,255,157,.05) 23px 24px);animation:breathe 8s ease-in-out infinite}
.hero .keyhole{position:absolute;left:50%;top:45%;width:90px;height:150px;transform:translate(-50%,-50%);opacity:.25}
@keyframes breathe{50%{transform:scale(1.06);opacity:.8}}
.hero .inner{position:relative;z-index:2;padding:4rem 1rem}
.boot{color:var(--dim);font-size:.78rem;text-align:left;display:inline-block;margin-bottom:1.5rem}
h1{font-size:clamp(2.6rem,9vw,6rem);line-height:.95;letter-spacing:.04em}
.glitch{position:relative;display:inline-block}
.glitch::before,.glitch::after{content:attr(data-text);position:absolute;left:0;top:0;width:100%;clip-path:inset(0 0 60% 0)}
.glitch::before{color:var(--alarm);transform:translate(-2px,0);animation:gl 3.2s infinite steps(2)}
.glitch::after{color:var(--signal);transform:translate(2px,0);clip-path:inset(55% 0 0 0);animation:gl 2.6s infinite reverse steps(2)}
@keyframes gl{0%,92%{opacity:0}93%,100%{opacity:.8}}
.tag{color:var(--dim);margin:1rem 0 2rem;font-size:.85rem}
.btn{display:inline-block;border:1px solid var(--signal);color:var(--signal);background:transparent;padding:.75rem 1.2rem;text-decoration:none;letter-spacing:.1em;font-size:.8rem;cursor:pointer;border-radius:var(--r);margin:.25rem}
.btn:hover,.btn.solid{background:var(--signal);color:#000}
.btn.ghost{border-color:var(--line);color:var(--text)}
section{padding:4rem 0;border-bottom:1px solid var(--line)}
.num{color:var(--signal);font-size:.75rem;letter-spacing:.2em}
h2{font-size:clamp(1.4rem,4vw,2.1rem);margin:.3rem 0 1.2rem;letter-spacing:.03em}
h3{font-size:1rem;margin-bottom:.3rem}
/* three layers */
.hook{font-size:clamp(1.05rem,2.6vw,1.35rem);line-height:1.5;border-left:3px solid var(--signal);padding-left:1rem;margin-bottom:1.2rem}
.hook span{display:block}
.insight{color:var(--text);max-width:68ch;margin-bottom:1rem}
details.deep{border:1px solid var(--line);background:var(--panel);border-radius:var(--r);max-width:72ch}
details.deep summary{cursor:pointer;padding:.8rem 1rem;color:var(--signal);letter-spacing:.1em;font-size:.8rem;list-style:none}
details.deep summary::before{content:'+ ';}details.deep[open] summary::before{content:'– '}
details.deep summary::-webkit-details-marker{display:none}
details.deep .body{padding:0 1rem 1rem}details.deep p{margin:.7rem 0}
.lanes{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:1.5rem}
.card{border:1px solid var(--line);background:var(--panel);padding:1.1rem;border-radius:var(--r);position:relative}
.card .k{color:var(--dim);font-size:.7rem;letter-spacing:.15em}
.card p{color:var(--dim);font-size:.85rem;margin:.4rem 0 .8rem}
.states{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:1.5rem 0}
.state{aspect-ratio:16/9;border:1px solid var(--line);display:grid;place-items:center;font-size:.75rem;letter-spacing:.2em;color:var(--signal);background:linear-gradient(135deg,rgba(0,255,157,.08),transparent),repeating-linear-gradient(90deg,transparent 0 30px,rgba(0,255,157,.06) 31px)}
.state.b{color:var(--violet);background:linear-gradient(135deg,rgba(180,140,255,.1),transparent),repeating-linear-gradient(0deg,transparent 0 30px,rgba(180,140,255,.06) 31px)}
.notice{background:#120a0c;border-left:3px solid var(--alarm);padding:.8rem 1rem;font-size:.8rem;color:var(--dim)}
.links{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}
footer{padding:2rem 0 3rem;color:var(--dim);font-size:.75rem}footer a{color:var(--dim)}
/* track lists */
.tracklist{list-style:none;border-top:1px solid var(--line)}
.tr{display:grid;grid-template-columns:2.4rem 1fr auto;gap:.8rem;align-items:center;padding:.6rem .2rem;border-bottom:1px solid var(--line)}
.tr .t{overflow:hidden}.tr .t b{display:block;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tr .t small{color:var(--dim);font-size:.72rem}
.tr .t a{color:var(--text);text-decoration:none}.tr .t a:hover{color:var(--signal)}
.pbtn{width:2.2rem;height:2.2rem;border:1px solid var(--signal);background:transparent;color:var(--signal);border-radius:50%;cursor:pointer;display:grid;place-items:center}
.pbtn:disabled{border-color:var(--line);color:var(--dim);cursor:not-allowed}
.pbtn.playing{background:var(--signal);color:#000}
.meta{color:var(--dim);font-size:.72rem;white-space:nowrap}
.filters{display:flex;flex-wrap:wrap;gap:.5rem;margin:1rem 0}
.chip{border:1px solid var(--line);background:transparent;color:var(--text);padding:.45rem .8rem;border-radius:99px;cursor:pointer;font-size:.75rem}
.chip[aria-pressed=true]{border-color:var(--signal);color:#000;background:var(--signal)}
.search{width:100%;max-width:420px;background:var(--panel);border:1px solid var(--line);color:var(--text);padding:.7rem .9rem;border-radius:var(--r)}
.badge{font-size:.62rem;border:1px solid var(--line);padding:.05rem .4rem;border-radius:99px;color:var(--dim);margin-left:.3rem;vertical-align:middle}
.badge.ok{border-color:var(--signal);color:var(--signal)}
/* player bar */
.player{position:fixed;left:0;right:0;bottom:0;z-index:60;background:rgba(8,12,11,.96);border-top:1px solid var(--line);padding:.5rem clamp(.6rem,2vw,1.5rem) calc(.5rem + env(safe-area-inset-bottom));display:grid;grid-template-columns:auto 1fr auto;gap:.8rem;align-items:center;backdrop-filter:blur(8px)}
.player .ctl{display:flex;gap:.3rem}
.player button{background:transparent;border:1px solid var(--line);color:var(--text);width:2.4rem;height:2.4rem;border-radius:50%;cursor:pointer}
.player button.main{border-color:var(--signal);color:var(--signal)}
.player .now{min-width:0;font-size:.75rem}
.player .now b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500}
.player .now small{color:var(--dim)}
.player input[type=range]{width:100%;accent-color:var(--signal);height:1.2rem}
.player .time{font-size:.68rem;color:var(--dim);display:flex;justify-content:space-between}
.player .extra{display:flex;gap:.3rem}
.queue{position:fixed;right:clamp(.6rem,2vw,1.5rem);bottom:calc(var(--player-h) + 1.2rem + env(safe-area-inset-bottom));z-index:61;width:min(360px,calc(100vw - 1.2rem));max-height:50vh;overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:.6rem}
.queue[hidden]{display:none}.queue ol{list-style:none}.queue li{display:flex;justify-content:space-between;gap:.5rem;padding:.35rem 0;border-bottom:1px solid var(--line);font-size:.75rem}
.queue li.cur{color:var(--signal)}.queue li button{background:none;border:none;color:var(--dim);cursor:pointer}
.toast{position:fixed;left:50%;bottom:calc(var(--player-h) + 1.5rem);transform:translateX(-50%);background:var(--panel);border:1px solid var(--alarm);padding:.5rem 1rem;font-size:.75rem;z-index:70}
@media (max-width:640px){.states{grid-template-columns:1fr}.player{grid-template-columns:auto 1fr}.player .extra{display:none}.tr{grid-template-columns:2.4rem 1fr}.tr .meta{display:none}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* YouTube mini-player: must stay visible and >=200x200 per YouTube API terms */
.ytbox{position:fixed;right:clamp(.6rem,2vw,1.5rem);bottom:calc(var(--player-h) + .8rem + env(safe-area-inset-bottom));z-index:59;width:200px;height:200px;border:1px solid var(--line);background:#000;border-radius:var(--r);overflow:hidden}
.ytbox[hidden]{display:none}.ytbox iframe,.ytbox>div{width:200px!important;height:200px!important;display:block}
.ytbox .ytlabel{position:absolute;top:0;left:0;right:0;font-size:.6rem;background:rgba(0,0,0,.7);color:var(--dim);padding:.15rem .4rem;pointer-events:none}
.queue{bottom:calc(var(--player-h) + 1.2rem + env(safe-area-inset-bottom))}
body.yt-on .queue{right:calc(200px + 1.5rem)}
@media (max-width:640px){body.yt-on .queue{right:.6rem;bottom:calc(var(--player-h) + 220px + env(safe-area-inset-bottom))}}

.ytbox{position:fixed}.ytclose{position:absolute;top:4px;right:4px;z-index:3;width:32px;height:32px;border-radius:50%;border:1px solid var(--line);background:rgba(0,0,0,.85);color:#fff;font-size:22px;line-height:1;cursor:pointer;display:grid;place-items:center;touch-action:manipulation}.ytclose:hover,.ytclose:focus-visible{background:#00ff9d;color:#000}
.ytbox{overflow:visible}.ytbox .ytclose{top:-46px;right:0;width:auto;height:40px;padding:0 16px;border-radius:8px;font:700 15px/1 inherit;letter-spacing:.08em;background:#ff2d55;border-color:#ff2d55;color:#fff;box-shadow:0 2px 10px rgba(0,0,0,.6)}
.ytbox{height:auto!important;padding-top:44px;overflow:hidden}.ytbox .ytlabel{position:absolute;top:14px;left:10px;right:auto;background:none;font-size:.7rem}.ytbox .ytclose{top:4px;right:4px}