:root{
  --bg:#0c0608;
  --panel:#130a0c;
  --surf:#1a0e10;
  --bord:#2e1418;
  --bord2:#421c22;

  --red:#e03040;
  --bri:#f06070;
  --dim:#5a0e14;
  --faint:#080406;

  /* ALL TEXT ≥ 45% brightness — strictly enforced */
  --white:#fff0f0;
  --text:#c09090;      /* main body: warm rose-white */
  --sub:#9a7070;       /* secondary: clearly readable */
  --muted:#7a5858;     /* tertiary: still visible */
  --code:#8a6060;      /* code comments: #8a6060 */

  --grn:#40d878;
  --yel:#e8c040;
  --blu:#5090e8;
  --cya:#40c8b8;
  --ora:#d87030;
  --pur:#a060d0;
  --gold:#c8a040;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{background:var(--bg);color:var(--text);font-family:'Inter',sans-serif;min-height:100vh;overflow-x:hidden;position:relative;}
body::before{content:'';position:fixed;inset:0;
  background:
    radial-gradient(ellipse at 30% 20%,rgba(224,48,64,.06) 0%,transparent 50%),
    radial-gradient(ellipse at 70% 80%,rgba(200,160,64,.03) 0%,transparent 40%);
  pointer-events:none;z-index:0;}

header{position:relative;z-index:1;border-bottom:1px solid var(--bord2);}
.hdr-bar{height:2px;background:linear-gradient(90deg,transparent,var(--red),var(--bri),var(--gold),transparent);}
.hdr-top{background:var(--panel);padding:5px 52px;border-bottom:1px solid var(--bord);display:flex;justify-content:space-between;font-family:'Courier Prime',monospace;font-size:8px;letter-spacing:2px;color:var(--muted);}
.hdr-main{padding:26px 52px 0;display:grid;grid-template-columns:1fr auto;gap:36px;align-items:start;}
.hdr-kicker{font-family:'Courier Prime',monospace;font-size:8px;letter-spacing:3px;color:var(--red);margin-bottom:10px;}
h1{font-family:'Cinzel',serif;font-size:clamp(32px,5.5vw,82px);font-weight:900;line-height:0.92;color:var(--white);margin-bottom:8px;letter-spacing:2px;}
h1 .acc{color:var(--red);}
.hdr-sub{font-family:'Courier Prime',monospace;font-size:8.5px;color:var(--sub);line-height:2;letter-spacing:1px;}
.hdr-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:2px;}
.hs{background:var(--panel);border:1px solid var(--bord2);padding:11px 14px;text-align:center;}
.hs-v{font-family:'Cinzel',serif;font-size:20px;font-weight:700;color:var(--red);line-height:1;margin-bottom:2px;}
.hs-l{font-family:'Courier Prime',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:'Courier Prime',monospace;font-size:8px;padding:4px 10px;border:1px solid var(--bord2);color:var(--sub);white-space:nowrap;}

.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:'Courier Prime',monospace;font-size:8px;letter-spacing:2px;text-transform:uppercase;color:var(--sub);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{padding:36px 52px;position:relative;z-index:1;max-width:1300px;}
.view{display:none;}.view.active{display:block;}
.sh{font-family:'Cinzel',serif;font-size:22px;font-weight:700;color:var(--white);margin-bottom:4px;margin-top:26px;letter-spacing:1px;}
.sh:first-child{margin-top:0;}
.sr{font-family:'Courier Prime',monospace;font-size:8px;letter-spacing:2px;color:var(--muted);margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--bord);}

/* Code blocks — strict contrast */
.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:'Courier Prime',monospace;font-size:8px;color:var(--sub);letter-spacing:1px;}
.cb-l{color:var(--red);}
pre.c{padding:12px 14px;font-family:'Courier Prime',monospace;font-size:10.5px;line-height:1.9;color:var(--text);overflow-x:auto;white-space:pre;}
.kw{color:var(--cya);font-weight:bold;}
.fn{color:var(--grn);}
.str{color:var(--yel);}
.cm{color:var(--code);}     /* #8a6060 — readable */
.hl{color:var(--white);font-weight:bold;}
.ok{color:var(--grn);}
.er{color:var(--red);}
.go{color:var(--gold);}
.bl{color:var(--blu);}

/* Callouts */
.al{padding:11px 14px;margin:12px 0;border-left:2px solid;font-family:'Courier Prime',monospace;font-size:9.5px;line-height:1.85;}
.al.red{border-color:var(--red);color:var(--bri);background:rgba(224,48,64,.06);}
.al.grn{border-color:var(--grn);color:var(--grn);background:rgba(64,216,120,.04);}
.al.yel{border-color:var(--yel);color:var(--yel);background:rgba(232,192,64,.05);}
.al.gold{border-color:var(--gold);color:var(--gold);background:rgba(200,160,64,.05);}
.al em{font-style:normal;font-weight:700;font-family:'Cinzel',serif;font-size:15px;color:var(--white);}

/* OAuth flow */
.oauth-flow{background:var(--panel);border:1px solid var(--bord2);padding:16px;margin:14px 0;}
.of-label{font-family:'Courier Prime',monospace;font-size:8px;letter-spacing:2px;color:var(--red);margin-bottom:14px;}
.of-step{display:grid;grid-template-columns:30px 1fr;gap:10px;margin-bottom:8px;align-items:flex-start;}
.of-num{font-family:'Cinzel',serif;font-size:16px;font-weight:700;color:var(--red);line-height:1.2;}
.of-body{font-family:'Courier Prime',monospace;font-size:10px;color:var(--text);line-height:1.75;}
.of-body span{color:var(--white);}
.of-body em{color:var(--sub);font-style:normal;}

/* JWT anatomy */
.jwt-parts{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--bord2);margin:14px 0;overflow:hidden;}
.jp{padding:14px;}
.jp:not(:last-child){border-right:1px solid var(--bord2);}
.jp-name{font-family:'Cinzel',serif;font-size:14px;font-weight:700;margin-bottom:4px;}
.jp-sub{font-family:'Courier Prime',monospace;font-size:8px;letter-spacing:1px;margin-bottom:8px;}
.jp-body{font-family:'Courier Prime',monospace;font-size:9.5px;color:var(--text);line-height:1.8;}

/* Vuln cards */
.vuln-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin:12px 0;}
.vul{background:var(--panel);border:1px solid var(--bord2);border-left:3px solid var(--red);padding:12px 14px;}
.vul-name{font-family:'Cinzel',serif;font-size:13px;font-weight:700;color:var(--white);margin-bottom:4px;}
.vul-body{font-size:12px;color:var(--text);line-height:1.6;margin-bottom:6px;}
.vul-fix{font-family:'Courier Prime',monospace;font-size:9px;color:var(--grn);line-height:1.7;}

/* OWASP list */
.owasp-list{display:flex;flex-direction:column;gap:4px;margin:12px 0;}
.ow{display:grid;grid-template-columns:48px 1fr;gap:0;border:1px solid var(--bord);overflow:hidden;}
.ow-num{background:var(--surf);display:flex;align-items:center;justify-content:center;font-family:'Cinzel',serif;font-size:18px;font-weight:700;color:var(--red);padding:10px;border-right:1px solid var(--bord);}
.ow-body{padding:10px 14px;}
.ow-name{font-family:'Courier Prime',monospace;font-size:10px;font-weight:700;color:var(--white);margin-bottom:4px;letter-spacing:1px;}
.ow-desc{font-size:12px;color:var(--text);line-height:1.55;margin-bottom:4px;}
.ow-fix{font-family:'Courier Prime',monospace;font-size:9px;color:var(--grn);line-height:1.6;}

/* Zero trust pillars */
.zt-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:4px;margin:14px 0;}
.zt{background:var(--panel);border:1px solid var(--bord2);border-top:2px solid;padding:11px 10px;text-align:center;}
.zt-icon{font-size:20px;margin-bottom:6px;}
.zt-name{font-family:'Cinzel',serif;font-size:11px;font-weight:700;color:var(--white);margin-bottom:4px;}
.zt-body{font-size:10px;color:var(--text);line-height:1.5;}

/* Secrets anti-patterns */
.anti-list{display:flex;flex-direction:column;gap:4px;margin:12px 0;}
.anti{display:flex;align-items:flex-start;gap:10px;padding:10px 14px;background:var(--panel);border:1px solid var(--bord);}
.anti-icon{font-size:14px;flex-shrink:0;margin-top:1px;}
.anti-body{font-size:12px;color:var(--text);line-height:1.55;}
.anti-body strong{color:var(--white);font-family:'Courier Prime',monospace;font-size:11px;}

/* 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:'Cinzel',serif;font-size:26px;font-weight:700;color:var(--muted);flex-shrink:0;line-height:1;}
.t-lbl{font-size:13px;font-weight:500;color:var(--white);flex:1;}
.t-meta{font-family:'Courier Prime',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;}
.task-bd code{font-family:'Courier Prime',monospace;font-size:11px;background:var(--surf);padding:2px 5px;color:var(--text);}

/* 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(224,48,64,.35);}
.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:'Courier Prime',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(224,48,64,.4);}
.prog-row{display:flex;justify-content:space-between;font-family:'Courier Prime',monospace;font-size:9px;color:var(--sub);margin-bottom:6px;}
.prog-track{height:2px;background:var(--bord);margin-bottom:22px;}
.prog-fill{height:100%;background:linear-gradient(90deg,var(--dim),var(--red));transition:width .3s;width:0%;}

/* Completion banner */
.complete-banner{background:linear-gradient(135deg,var(--panel),var(--surf));border:1px solid var(--gold);padding:28px;margin-top:28px;text-align:center;position:relative;overflow:hidden;}
.complete-banner::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(200,160,64,.06) 0%,transparent 70%);pointer-events:none;}
.cb-title{font-family:'Cinzel',serif;font-size:28px;font-weight:900;color:var(--gold);margin-bottom:8px;letter-spacing:2px;}
.cb-sub{font-family:'Courier Prime',monospace;font-size:10px;color:var(--sub);line-height:2;letter-spacing:1px;}

@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;}
  .jwt-parts{grid-template-columns:1fr;}.vuln-grid{grid-template-columns:1fr;}
  .zt-grid{grid-template-columns:repeat(2,1fr);}
  .chk-grid{grid-template-columns:1fr;}
}
.mb-nav{display:flex;flex-wrap:wrap;gap:10px;padding:28px 52px;border-top:1px solid var(--bord2);position:relative;z-index:1;}
.mb-nav a{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:1px;padding:10px 18px;border:1px solid var(--bord2);color:var(--sub,var(--text));text-decoration:none;transition:all .12s;}
.mb-nav a:hover{border-color:var(--bri);color:var(--bri);}
.mb-nav a.primary{background:var(--red);border-color:var(--red);color:#fff;}