:root{
  --bg:#030d0f;--panel:#041416;--surf:#061c1f;--bord:#0a2a2e;--bord2:#0f3a40;
  --tea:#00b8c8;--bri:#00d8ec;--dim:#005060;--faint:#020c0e;
  --white:#e0f8fa;--text:#5090a0;--muted:#153038;--aged:#0a1e22;
  --grn:#20d080;--yel:#e8b820;--red:#e04050;--pur:#8050e0;--ora:#e07030;
  --blu:#2060e0;
}
*{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 50% 30%,rgba(0,184,200,.05) 0%,transparent 55%),
    radial-gradient(ellipse at 10% 90%,rgba(0,216,236,.03) 0%,transparent 40%),
    repeating-linear-gradient(0deg,transparent,transparent 39px,rgba(0,184,200,.025) 40px),
    repeating-linear-gradient(90deg,transparent,transparent 59px,rgba(0,184,200,.015) 60px);
  pointer-events:none;z-index:0;}

/* HEADER */
header{position:relative;z-index:1;border-bottom:1px solid var(--bord2);}
.hdr-bar{height:2px;background:linear-gradient(90deg,transparent,var(--tea),var(--grn),var(--tea),transparent);}
.hdr-top{background:var(--panel);padding:5px 52px;border-bottom:1px solid var(--bord);display:flex;justify-content:space-between;font-family:'Space Mono',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:'Space Mono',monospace;font-size:8px;letter-spacing:3px;color:var(--tea);margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.hdr-kicker::before{content:'◎';font-size:11px;}
h1{font-family:'Playfair Display',serif;font-size:clamp(34px,5.5vw,82px);line-height:0.9;color:var(--white);margin-bottom:8px;}
h1 .acc{color:var(--tea);font-style:italic;}
.hdr-sub{font-family:'Space Mono',monospace;font-size:8.5px;color:var(--muted);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);border-top:1px solid var(--dim);padding:11px 14px;text-align:center;}
.hs-v{font-family:'Playfair Display',serif;font-size:24px;color:var(--tea);line-height:1;margin-bottom:2px;}
.hs-l{font-family:'Space 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:'Space Mono',monospace;font-size:8px;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:'Space 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(--tea);border-bottom-color:var(--tea);}

/* CONTENT */
.content{padding:36px 52px;position:relative;z-index:1;max-width:1300px;}
.view{display:none;}.view.active{display:block;}
.sh{font-family:'Playfair Display',serif;font-size:24px;color:var(--white);margin-bottom:4px;margin-top:26px;}
.sh:first-child{margin-top:0;}
.sr{font-family:'Space 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(--tea);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:'Space Mono',monospace;font-size:8px;color:var(--muted);letter-spacing:1px;}
.cb-l{color:var(--tea);}
pre.c{padding:12px 14px;font-family:'Space Mono',monospace;font-size:10px;line-height:1.85;color:var(--muted);overflow-x:auto;white-space:pre;}
.kw{color:var(--tea);font-weight:700;}.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);}.te{color:var(--tea);}

/* Alert */
.al{padding:10px 14px;margin:12px 0;border-left:2px solid;font-family:'Space Mono',monospace;font-size:9px;line-height:1.8;}
.al.tea{border-color:var(--tea);color:var(--bri);background:rgba(0,184,200,.04);}
.al.grn{border-color:var(--grn);color:var(--grn);background:rgba(32,208,128,.03);}
.al.red{border-color:var(--red);color:var(--red);background:rgba(224,64,80,.04);}
.al.yel{border-color:var(--yel);color:var(--yel);background:rgba(232,184,32,.03);}
.al em{font-style:normal;font-weight:700;font-family:'Playfair Display',serif;font-size:16px;color:var(--white);}

/* RTT map */
.rtt-map{background:var(--panel);border:1px solid var(--bord2);padding:16px;margin:14px 0;}
.rtt-label{font-family:'Space Mono',monospace;font-size:8px;letter-spacing:2px;color:var(--tea);margin-bottom:12px;}
.rtt-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;}
.rtt-cell{background:var(--surf);border:1px solid var(--bord2);padding:10px;text-align:center;}
.rtt-from{font-family:'Space Mono',monospace;font-size:8px;color:var(--muted);margin-bottom:4px;}
.rtt-to{font-family:'Playfair Display',serif;font-size:16px;color:var(--white);margin-bottom:2px;}
.rtt-val{font-family:'Space Mono',monospace;font-size:11px;}

/* Active-passive vs active-active */
.ap-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--bord2);margin:12px 0;overflow:hidden;}
.ap-col{padding:14px;}
.ap-col:first-child{border-right:1px solid var(--bord2);}
.ap-name{font-family:'Playfair Display',serif;font-size:17px;color:var(--white);margin-bottom:6px;}
.ap-sub{font-family:'Space Mono',monospace;font-size:8px;color:var(--muted);letter-spacing:1px;margin-bottom:10px;}
.ap-body{font-size:12px;color:var(--text);line-height:1.6;margin-bottom:8px;}
.ap-pros{font-family:'Space Mono',monospace;font-size:9px;color:var(--grn);line-height:1.8;}
.ap-cons{font-family:'Space Mono',monospace;font-size:9px;color:var(--red);line-height:1.8;}

/* CRDT cards */
.crdt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:12px 0;}
.cc{background:var(--panel);border:1px solid var(--bord2);border-top:2px solid;padding:12px;}
.cc-name{font-family:'Playfair Display',serif;font-size:15px;font-style:italic;color:var(--white);margin-bottom:4px;}
.cc-type{font-family:'Space Mono',monospace;font-size:8px;letter-spacing:1px;color:var(--muted);margin-bottom:8px;}
.cc-body{font-size:11px;color:var(--text);line-height:1.6;margin-bottom:6px;}
.cc-merge{font-family:'Space Mono',monospace;font-size:9px;line-height:1.8;}
.cc-use{font-family:'Space Mono',monospace;font-size:8px;color:var(--muted);margin-top:4px;}

/* Region table */
.reg-table{width:100%;border-collapse:collapse;margin:12px 0;}
.reg-table th{background:var(--surf);padding:8px 12px;font-family:'Space Mono',monospace;font-size:8px;letter-spacing:2px;color:var(--tea);font-weight:400;text-align:left;border-bottom:1px solid var(--bord2);}
.reg-table td{padding:8px 12px;border-bottom:1px solid var(--bord);font-size:12px;color:var(--text);vertical-align:top;}
.reg-table td:first-child{font-family:'Space Mono',monospace;font-size:10px;color:var(--white);}
.reg-table tr:hover td{background:rgba(0,184,200,.02);}

/* RPO/RTO visual */
.rpo-rto{background:var(--panel);border:1px solid var(--bord2);padding:16px;margin:12px 0;}
.rr-label{font-family:'Space Mono',monospace;font-size:8px;letter-spacing:2px;color:var(--tea);margin-bottom:14px;}
.rr-row{display:grid;grid-template-columns:100px 1fr 120px;gap:8px;align-items:center;margin-bottom:8px;}
.rr-name{font-family:'Space Mono',monospace;font-size:9px;color:var(--white);}
.rr-bar-wrap{height:16px;background:var(--surf);border:1px solid var(--bord);position:relative;}
.rr-bar{height:100%;position:absolute;left:0;top:0;}
.rr-val{font-family:'Space Mono',monospace;font-size:9px;text-align:right;}

/* GDPR */
.gdpr-list{display:flex;flex-direction:column;gap:6px;margin:12px 0;}
.gl{background:var(--panel);border:1px solid var(--bord2);border-left:3px solid var(--pur);padding:12px 14px;display:grid;grid-template-columns:100px 1fr;gap:12px;}
.gl-num{font-family:'Playfair Display',serif;font-size:22px;font-style:italic;color:var(--pur);}
.gl-body{font-size:12px;color:var(--text);line-height:1.6;}
.gl-title{font-family:'Space Mono',monospace;font-size:9px;color:var(--white);letter-spacing:1px;margin-bottom:4px;}
.gl-code{font-family:'Space Mono',monospace;font-size:9px;color:var(--muted);line-height:1.8;margin-top:4px;}

/* 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:'Playfair Display',serif;font-size:28px;font-style:italic;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:'Space 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(0,184,200,.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;transition:all .12s;}
.chk.done .chk-box{background:var(--tea);border-color:var(--tea);color:#000;}
.chk-lbl{font-size:11px;color:var(--text);line-height:1.4;}
.chk.done .chk-lbl{color:var(--tea);text-decoration:line-through;text-decoration-color:rgba(0,184,200,.4);}
.prog-row{display:flex;justify-content:space-between;font-family:'Space 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:linear-gradient(90deg,var(--dim),var(--tea));transition:width .3s;width:0%;}

@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;}
  .ap-grid{grid-template-columns:1fr;}.crdt-grid{grid-template-columns:1fr;}
  .rr-row{grid-template-columns:80px 1fr 80px;}.chk-grid{grid-template-columns:1fr;}
  .gl{grid-template-columns:60px 1fr;}.rtt-grid{grid-template-columns:repeat(2,1fr);}
}
.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:'JetBrains 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(--bri);border-color:var(--bri);color:#fff;}