:root{
  --bg:#0e0a09;--panel:#180d0b;--surf:#201210;--bord:#3a1a14;--bord2:#5a2a20;
  --red:#ff3020;--hot:#ff6040;--dim:#c02010;--faint:#3a1008;
  --white:#fff5f0;--bright:#ffe8e0;--text:#c09080;--muted:#7a4030;--aged:#5a2a20;
  --grn:#40ff80;--yel:#ffcc00;--blu:#4080ff;--ora:#ff8020;
  --warm:#ff9060;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{background:var(--bg);color:var(--text);font-family:'DM Sans',sans-serif;min-height:100vh;overflow-x:hidden;position:relative;}
body::before{content:'';position:fixed;inset:0;
  background:
    radial-gradient(ellipse at 10% 90%,rgba(255,48,32,.05) 0%,transparent 50%),
    radial-gradient(ellipse at 90% 10%,rgba(255,128,32,.03) 0%,transparent 50%),
    repeating-linear-gradient(0deg,transparent,transparent 43px,rgba(255,48,32,.015) 44px);
  pointer-events:none;z-index:0;}

/* HEADER */
header{position:relative;z-index:1;border-bottom:1px solid var(--bord2);}
.hdr-stripe{background:var(--red);height:3px;}
.hdr-top{background:var(--panel);padding:5px 52px;border-bottom:1px solid var(--bord);
  display:flex;justify-content:space-between;font-family:'DM Mono',monospace;
  font-size:8px;letter-spacing:2px;color:var(--muted);}
.hdr-main{padding:28px 52px 0;display:grid;grid-template-columns:1fr auto;gap:36px;align-items:start;}
.hdr-pill{display:inline-flex;align-items:center;gap:6px;font-family:'DM Mono',monospace;font-size:8px;
  letter-spacing:3px;color:var(--red);margin-bottom:10px;}
.hdr-pill::before{content:'▶';font-size:10px;}
h1{font-family:'Anton',sans-serif;font-size:clamp(52px,9vw,120px);
  line-height:0.85;letter-spacing:1px;color:var(--white);margin-bottom:8px;}
h1 .acc{color:var(--red);}
.hdr-sub{font-family:'DM Mono',monospace;font-size:8.5px;color:var(--muted);line-height:2.1;letter-spacing:1px;}
.hdr-stats{display:grid;grid-template-columns:1fr 1fr;gap:2px;}
.hs{background:var(--panel);border:1px solid var(--bord2);padding:11px 14px;text-align:center;}
.hs-v{font-family:'Anton',sans-serif;font-size:24px;color:var(--red);line-height:1;margin-bottom:2px;letter-spacing:0.5px;}
.hs-l{font-family:'DM Mono',monospace;font-size:7px;letter-spacing:2px;color:var(--muted);}
.tag-row{display:flex;gap:2px;padding:16px 52px 0;overflow-x:auto;}
.tg{font-family:'DM Mono',monospace;font-size:8px;letter-spacing:1px;padding:4px 10px;
  border:1px solid var(--bord2);color:var(--muted);white-space:nowrap;}

/* NAV */
.nav{position:sticky;top:0;z-index:100;background:var(--bg);border-bottom:1px solid var(--bord2);display:flex;overflow-x:auto;}
.nt{padding:12px 14px;font-family:'DM Mono',monospace;font-size:8px;letter-spacing:2px;
  text-transform:uppercase;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;
  transition:all .12s;white-space:nowrap;}
.nt:hover{color:var(--text);}
.nt.active{color:var(--red);border-bottom-color:var(--red);}

/* CONTENT */
.content{padding:36px 52px;position:relative;z-index:1;max-width:1300px;}
.view{display:none;}.view.active{display:block;}
.sh{font-family:'Anton',sans-serif;font-size:22px;letter-spacing:0.5px;
  color:var(--white);margin-bottom:4px;margin-top:26px;}
.sh:first-child{margin-top:0;}
.sr{font-family:'DM Mono',monospace;font-size:8px;letter-spacing:2px;color:var(--muted);
  margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--bord);}

/* Code */
.cb{background:var(--panel);border:1px solid var(--bord2);border-left:2px solid var(--red);margin:12px 0;}
.cb-top{display:flex;justify-content:space-between;padding:5px 12px;background:var(--surf);
  border-bottom:1px solid var(--bord);font-family:'DM Mono',monospace;font-size:8px;color:var(--muted);letter-spacing:1px;}
.cb-l{color:var(--red);}
pre.c{padding:12px 14px;font-family:'DM Mono',monospace;font-size:10.5px;line-height:1.85;color:var(--muted);overflow-x:auto;white-space:pre;}
.kw{color:var(--blu);}.fn{color:var(--grn);}.str{color:var(--yel);}.cm{color:var(--aged);}
.hl{color:var(--white);font-weight:700;}.ok{color:var(--grn);}.er{color:var(--red);}.or{color:var(--ora);}

/* Alert */
.al{padding:10px 14px;margin:12px 0;border-left:2px solid;font-family:'DM Mono',monospace;font-size:9px;line-height:1.8;}
.al.red{border-color:var(--red);color:var(--warm);background:rgba(255,48,32,.04);}
.al.grn{border-color:var(--grn);color:var(--grn);background:rgba(64,255,128,.03);}
.al.yel{border-color:var(--yel);color:var(--yel);background:rgba(255,204,0,.03);}
.al em{font-style:normal;font-weight:700;font-family:'Anton',sans-serif;font-size:15px;letter-spacing:0.5px;}

/* Pipeline flow */
.pipeline{background:var(--panel);border:1px solid var(--bord2);padding:20px;margin:14px 0;}
.pl-label{font-family:'DM Mono',monospace;font-size:8px;letter-spacing:2px;color:var(--red);margin-bottom:14px;}
.pl-step{display:flex;align-items:flex-start;gap:10px;margin-bottom:10px;font-family:'DM Mono',monospace;font-size:10px;line-height:1.7;}
.pl-n{color:var(--muted);flex-shrink:0;width:22px;font-weight:700;}
.pl-node{color:var(--red);flex-shrink:0;font-weight:700;}
.pl-body{color:var(--text);}
.pl-note{color:var(--yel);}

/* Codec table */
.codec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0;}
.cdc{background:var(--panel);border:1px solid var(--bord2);border-top:2px solid;padding:14px;}
.cdc-name{font-family:'Anton',sans-serif;font-size:18px;letter-spacing:0.5px;margin-bottom:4px;}
.cdc-sub{font-family:'DM Mono',monospace;font-size:8px;letter-spacing:1px;color:var(--muted);margin-bottom:8px;}
.cdc-body{font-size:12px;color:var(--text);line-height:1.6;}
.cdc-use{font-family:'DM Mono',monospace;font-size:9px;margin-top:6px;line-height:1.7;}

/* CDN tier diagram */
.cdn-tiers{display:flex;flex-direction:column;gap:4px;margin:14px 0;}
.cdn-tier{display:grid;grid-template-columns:160px 1fr 120px 100px;align-items:center;
  padding:12px 16px;border:1px solid var(--bord2);background:var(--panel);border-left:3px solid;}
.cdn-tier:hover{background:var(--surf);}
.ct-name{font-family:'Anton',sans-serif;font-size:14px;letter-spacing:0.5px;color:var(--white);}
.ct-desc{font-size:12px;color:var(--text);padding:0 14px;line-height:1.5;}
.ct-lat{font-family:'DM Mono',monospace;font-size:11px;text-align:right;padding-right:14px;}
.ct-hit{font-family:'DM Mono',monospace;font-size:10px;color:var(--muted);text-align:right;}

/* View counter comparison */
.vc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0;}
.vc{background:var(--panel);border:1px solid var(--bord2);border-top:2px solid;padding:14px;}
.vc-name{font-family:'Anton',sans-serif;font-size:15px;letter-spacing:0.5px;margin-bottom:4px;}
.vc-sub{font-family:'DM Mono',monospace;font-size:8px;color:var(--muted);letter-spacing:1px;margin-bottom:8px;}
.vc-body{font-size:12px;color:var(--text);line-height:1.6;}
.vc-cmd{font-family:'DM Mono',monospace;font-size:9px;margin-top:6px;line-height:1.8;}

/* HLS visual */
.hls-box{background:var(--panel);border:1px solid var(--bord2);padding:16px;margin:12px 0;}
.hls-label{font-family:'DM Mono',monospace;font-size:8px;letter-spacing:2px;color:var(--red);margin-bottom:12px;}
.hls-row{display:flex;gap:4px;margin-bottom:8px;align-items:center;}
.hls-quality{font-family:'DM Mono',monospace;font-size:9px;padding:3px 8px;
  border:1px solid var(--bord2);color:var(--white);min-width:70px;text-align:center;}
.hls-seg{font-family:'DM Mono',monospace;font-size:8px;padding:3px 6px;
  background:var(--faint);border:1px solid var(--bord2);color:var(--muted);}
.hls-arrow{color:var(--muted);font-size:11px;padding:0 4px;}

/* Est table */
.est-t{width:100%;border-collapse:collapse;margin:12px 0;}
.est-t th{background:var(--surf);padding:8px 12px;font-family:'DM Mono',monospace;
  font-size:8px;letter-spacing:2px;color:var(--red);font-weight:400;text-align:left;border-bottom:1px solid var(--bord2);}
.est-t td{padding:8px 12px;border-bottom:1px solid var(--bord);font-size:12px;color:var(--text);vertical-align:top;}
.est-t td:first-child{font-family:'DM Mono',monospace;font-size:11px;color:var(--white);}
.est-t td:nth-child(2){font-family:'DM Mono',monospace;color:var(--red);font-size:11px;}
.est-t tr:hover td{background:rgba(255,48,32,.02);}

/* Transcoding workers */
.worker-row{display:flex;gap:4px;margin:8px 0;flex-wrap:wrap;}
.worker{font-family:'DM Mono',monospace;font-size:9px;padding:5px 10px;border:1px solid;background:var(--faint);}

/* Tasks */
.task-list{display:flex;flex-direction:column;gap:8px;}
.task-card{background:var(--panel);border:1px solid var(--bord);}
.task-hd{display:flex;align-items:center;gap:14px;padding:13px 17px;cursor:pointer;
  border-bottom:1px solid var(--bord);transition:background .12s;}
.task-hd:hover{background:var(--surf);}
.t-num{font-family:'Anton',sans-serif;font-size:28px;color:var(--muted);flex-shrink:0;line-height:1;letter-spacing:0.5px;}
.t-lbl{font-size:13px;font-weight:700;color:var(--white);flex:1;}
.t-meta{font-family:'DM Mono',monospace;font-size:8px;color:var(--muted);white-space:nowrap;}
.t-arr{color:var(--muted);font-size:18px;transition:transform .2s;}
.t-arr.open{transform:rotate(90deg);}
.task-bd{display:none;padding:13px 17px;font-size:12px;color:var(--text);line-height:1.7;}
.task-bd.open{display:block;}
.task-bd ol,.task-bd ul{margin-left:20px;margin-top:8px;}
.task-bd li{margin-bottom:4px;}

/* Checklist */
.chk-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;}
.chk{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;background:var(--panel);
  border:1px solid var(--bord);cursor:pointer;transition:all .12s;}
.chk:hover{border-color:var(--bord2);}
.chk.done{border-color:rgba(255,48,32,.3);}
.chk-box{width:13px;height:13px;border:1px solid var(--bord2);flex-shrink:0;margin-top:2px;
  display:flex;align-items:center;justify-content:center;font-size:8px;
  font-family:'DM Mono',monospace;transition:all .12s;}
.chk.done .chk-box{background:var(--red);border-color:var(--red);color:#fff;}
.chk-lbl{font-size:11px;color:var(--text);line-height:1.4;}
.chk.done .chk-lbl{color:var(--red);text-decoration:line-through;text-decoration-color:rgba(255,48,32,.3);}
.prog-row{display:flex;justify-content:space-between;font-family:'DM Mono',monospace;font-size:9px;color:var(--muted);margin-bottom:6px;}
.prog-track{height:2px;background:var(--bord);margin-bottom:22px;}
.prog-fill{height:100%;background:var(--red);transition:width .3s;width:0%;box-shadow:0 0 10px var(--dim);}

/* Bottom Nav */
.mb8-bottom-nav{display:flex;gap:12px;padding:28px 52px 40px;flex-wrap:wrap;}
.mb8-nav-footer-btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;
  font-family:'DM Mono',monospace;font-size:9px;letter-spacing:2px;text-transform:uppercase;
  border:1px solid var(--bord2);color:var(--muted);text-decoration:none;transition:all .15s;}
.mb8-nav-footer-btn:hover{border-color:var(--red);color:var(--red);}

@media(max-width:900px){
  .content{padding:24px 16px;}.hdr-main{padding:22px 16px 0;grid-template-columns:1fr;}
  .tag-row,.hdr-top{padding-left:16px;padding-right:16px;}
  .codec-grid{grid-template-columns:1fr;}.vc-grid{grid-template-columns:1fr;}
  .cdn-tier{grid-template-columns:1fr 1fr;}.chk-grid{grid-template-columns:1fr;}
  .mb8-bottom-nav{padding:20px 16px 32px;}
}