:root{
  --paper:#0d3066; --paper2:#0a2650;
  --ink:#e4eeff; --ink2:#9fbdec; --ink3:#6f93cb;
  --line:rgba(228,238,255,.85);
  --grid-fine:rgba(228,238,255,.06);
  --grid-bold:rgba(228,238,255,.13);
  --amber:#ffce4a; --red:#ff6b6b; --green:#7ee08a;
  --mono:"SFMono-Regular",ui-monospace,"JetBrains Mono","DejaVu Sans Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);font-family:var(--mono);
  font-size:15px;line-height:1.5;letter-spacing:.02em;
  background:
    linear-gradient(var(--grid-fine) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-fine) 1px,transparent 1px),
    linear-gradient(var(--grid-bold) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-bold) 1px,transparent 1px),
    radial-gradient(1400px 900px at 70% -10%,#114089,transparent 60%),
    linear-gradient(160deg,var(--paper),var(--paper2));
  background-size:14px 14px,14px 14px,70px 70px,70px 70px,100% 100%,100% 100%;
  background-color:var(--paper2);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--amber);text-decoration:none}
a:hover{text-decoration:underline}
.upper{text-transform:uppercase}

/* ---- drawing sheet frame ---- */
.sheet{max-width:1080px;margin:22px auto;padding:0 14px}
.frame{position:relative;border:2px solid var(--line);padding:clamp(18px,3.4vw,40px);
  background:linear-gradient(160deg,rgba(255,255,255,.015),transparent);}
.frame::before{content:"";position:absolute;inset:7px;border:1px solid var(--ink3);pointer-events:none}
.frame::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(var(--line),var(--line)) left 7px top 7px/16px 1px no-repeat,
    linear-gradient(var(--line),var(--line)) left 7px top 7px/1px 16px no-repeat,
    linear-gradient(var(--line),var(--line)) right 7px top 7px/16px 1px no-repeat,
    linear-gradient(var(--line),var(--line)) right 7px top 7px/1px 16px no-repeat,
    linear-gradient(var(--line),var(--line)) left 7px bottom 7px/16px 1px no-repeat,
    linear-gradient(var(--line),var(--line)) left 7px bottom 7px/1px 16px no-repeat,
    linear-gradient(var(--line),var(--line)) right 7px bottom 7px/16px 1px no-repeat,
    linear-gradient(var(--line),var(--line)) right 7px bottom 7px/1px 16px no-repeat;}

.strip{display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between;
  align-items:center;font-size:11px;color:var(--ink2);letter-spacing:.14em;
  border-bottom:1px solid var(--ink3);padding-bottom:10px;margin-bottom:26px}
.strip b{color:var(--ink)}

.hero{position:relative;padding:8px 0 18px}
.dimtop{font-size:10px;letter-spacing:.2em;color:var(--ink3);
  border-bottom:1px solid var(--ink3);position:relative;padding-bottom:4px;margin-bottom:14px;
  display:flex;justify-content:space-between}
.dimtop::before,.dimtop::after{content:"";position:absolute;bottom:-1px;width:1px;height:8px;background:var(--ink3)}
.dimtop::before{left:0}.dimtop::after{right:0}
h1{margin:0;font-weight:700;line-height:.96;letter-spacing:.02em;
  font-size:clamp(34px,8vw,78px);text-transform:uppercase}
h1 .sm{display:block;font-size:.42em;letter-spacing:.06em;color:var(--ink2);font-weight:400;margin-top:.3em}
.callout{margin-top:18px;position:relative;padding-left:34px;max-width:70ch;color:var(--ink);font-size:14px}
.callout::before{content:"";position:absolute;left:0;top:.55em;width:26px;height:1px;background:var(--amber)}
.callout::after{content:"";position:absolute;left:0;top:calc(.55em - 3px);width:7px;height:7px;
  border-radius:50%;border:1px solid var(--amber)}
.leadnum{color:var(--amber)}

.toolbar{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:12px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--ink);
  border:1px solid var(--line);padding:11px 16px;background:transparent;transition:.15s}
.btn:hover{text-decoration:none;background:var(--ink);color:var(--paper)}
.btn.key{border-color:var(--amber);color:var(--amber)}
.btn.key:hover{background:var(--amber);color:#1a1300}

section{margin-top:42px}
.sh{display:flex;align-items:center;gap:12px;font-size:12px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--ink);margin:0 0 16px}
.sh .id{color:var(--paper);background:var(--amber);padding:2px 8px;font-weight:700;letter-spacing:.1em}
.sh::after{content:"";flex:1;height:1px;background:repeating-linear-gradient(90deg,var(--ink3) 0 7px,transparent 7px 12px)}

.cols{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:780px){.cols{grid-template-columns:1fr}h1{font-size:clamp(30px,12vw,52px)}}

.panel{border:1px solid var(--ink3);padding:18px;position:relative;background:rgba(255,255,255,.012)}
.panel .tab{position:absolute;top:-9px;left:14px;background:var(--paper);padding:0 8px;
  font-size:10px;letter-spacing:.2em;color:var(--ink2)}
.panel.full{grid-column:1/-1}

.spec{width:100%;border-collapse:collapse;font-size:13px}
.spec td{padding:6px 4px;border-bottom:1px dotted var(--ink3);vertical-align:top}
.spec td:first-child{color:var(--ink2);letter-spacing:.1em;font-size:11px;
  text-transform:uppercase;white-space:nowrap;width:38%}

.dim{position:relative;padding-left:118px;margin:0 0 20px}
.dim:last-child{margin-bottom:0}
.dim .val{position:absolute;left:0;top:1px;width:100px;text-align:right;
  font-size:11px;letter-spacing:.08em;color:var(--amber)}
.dim::before{content:"";position:absolute;left:108px;top:5px;bottom:-15px;width:1px;background:var(--ink3)}
.dim:last-child::before{display:none}
.dim .node{position:absolute;left:104px;top:4px;width:9px;height:9px;border:1px solid var(--ink);
  background:var(--paper);transform:rotate(45deg)}
.dim.done .node{background:var(--amber);border-color:var(--amber)}
.dim h3{margin:0;font-size:15px;font-weight:700;letter-spacing:.03em}
.dim .org{font-size:11px;color:var(--ink2);letter-spacing:.1em;text-transform:uppercase;margin:3px 0 7px}
.dim ul{margin:0;padding-left:16px;color:var(--ink);font-size:13px}
.dim ul li{margin:3px 0}
.dim ul li::marker{color:var(--amber)}

.taglist{display:flex;flex-wrap:wrap;gap:8px}
.taglist span{font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  border:1px solid var(--ink3);padding:5px 10px;color:var(--ink)}
.notes{margin:0;padding-left:16px;font-size:13px}
.notes li{margin:5px 0}.notes li::marker{color:var(--amber)}

.cartouche{margin-top:46px;border:2px solid var(--line);display:grid;
  grid-template-columns:2fr 1fr 1fr;font-size:11px;letter-spacing:.1em}
.cartouche div{border-left:1px solid var(--ink3);border-top:1px solid var(--ink3);padding:9px 11px}
.cartouche div:nth-child(-n+3){border-top:none}
.cartouche div:nth-child(3n+1){border-left:none}
.cartouche .k{font-size:9px;color:var(--ink2);display:block;margin-bottom:3px;letter-spacing:.18em}
.cartouche .big{grid-column:1/-1;font-size:13px;color:var(--ink);letter-spacing:.16em}
@media(max-width:560px){.cartouche{grid-template-columns:1fr 1fr}.cartouche div:nth-child(3n+1){border-left:1px solid var(--ink3)}.cartouche div:nth-child(odd){border-left:none}}

/* ---- lookup tables ---- */
.cmdwrap{overflow-x:auto;border:1px solid var(--ink3)}
.cmdtable{width:100%;border-collapse:collapse;font-size:12.5px;min-width:420px}
.cmdtable thead th{position:sticky;top:0;background:var(--paper2);color:var(--ink2);
  text-align:left;font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  padding:9px 12px;border-bottom:1px solid var(--ink3)}
.cmdtable td{padding:6px 12px;border-bottom:1px solid rgba(228,238,255,.08);vertical-align:top}
.cmdtable td:first-child{color:var(--amber);font-weight:700;letter-spacing:.06em;white-space:nowrap}
.cmdtable tr:nth-child(even){background:rgba(255,255,255,.014)}

.sr-context{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}

/* =====================================================================
   Additions for the Taler sheets (TLR-2026)
   ===================================================================== */

p{margin:0 0 10px;font-size:13.5px;max-width:78ch}
p:last-child{margin-bottom:0}
.panel p{font-size:13px}
.panel h3{margin:0 0 8px;font-size:14px;letter-spacing:.04em}
.muted{color:var(--ink2)}
.small{font-size:12px}
code,kbd{font-family:var(--mono);font-size:.92em;color:var(--amber);
  background:rgba(255,206,74,.08);padding:0 4px;border:1px solid rgba(255,206,74,.18);
  overflow-wrap:anywhere}
kbd{color:var(--ink);background:rgba(228,238,255,.06);border-color:var(--ink3)}
pre{margin:10px 0 0;padding:12px 14px;border:1px solid var(--ink3);background:rgba(10,38,80,.65);
  font-size:12px;line-height:1.55;overflow-x:auto;color:var(--ink)}
pre code{background:none;border:none;padding:0;color:inherit;overflow-wrap:normal}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:900px){.grid3{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.grid3{grid-template-columns:1fr}}
.gap{margin-top:22px}

/* numbered change list */
.chg{list-style:none;margin:0;padding:0;counter-reset:chg}
.chg li{position:relative;padding:9px 0 9px 46px;border-bottom:1px dotted var(--ink3);font-size:13px}
.chg li:last-child{border-bottom:none}
.chg li::before{counter-increment:chg;content:counter(chg,decimal-leading-zero);
  position:absolute;left:0;top:9px;font-size:11px;font-weight:700;color:var(--paper);
  background:var(--amber);padding:1px 6px;letter-spacing:.08em}
.chg li b{color:var(--ink);letter-spacing:.03em}

/* warning / note box */
.warn{border:1px solid var(--amber);background:rgba(255,206,74,.07);padding:14px 16px;font-size:13px;position:relative}
.warn .tab{color:var(--amber)}
.warn.red{border-color:var(--red);background:rgba(255,107,107,.08)}
.warn.red .tab{color:var(--red)}

/* role diagram */
.roles{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:stretch;gap:0}
.roles .node{border:1px solid var(--line);padding:14px;background:rgba(255,255,255,.02)}
.roles .node .k{display:block;font-size:10px;letter-spacing:.2em;color:var(--ink2);margin-bottom:6px}
.roles .node b{display:block;font-size:14px;margin-bottom:6px;text-transform:uppercase;letter-spacing:.08em}
.roles .node.money{border-color:var(--amber)}
.roles .node.money b{color:var(--amber)}
.roles .node ul{margin:0;padding-left:16px;font-size:12px}
.roles .node ul li::marker{color:var(--amber)}
.roles .wire{display:flex;flex-direction:column;justify-content:center;align-items:center;
  min-width:96px;padding:0 6px;font-size:10px;letter-spacing:.14em;color:var(--ink2);text-align:center}
.roles .wire::before{content:"";display:block;width:100%;height:1px;margin:6px 0;
  background:repeating-linear-gradient(90deg,var(--ink) 0 6px,transparent 6px 10px)}
@media(max-width:780px){
  .roles{grid-template-columns:1fr}
  .roles .wire{min-height:56px}
  .roles .wire::before{width:1px;height:22px;background:repeating-linear-gradient(180deg,var(--ink) 0 6px,transparent 6px 10px)}
}

/* ---- picture sequence with platform toggle ---- */
.seqbox{position:relative}
.seqbox > input{position:absolute;opacity:0;pointer-events:none}
.seqtabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.seqtabs label{cursor:pointer;font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  border:1px solid var(--line);padding:10px 16px;color:var(--ink);transition:.15s}
.seqtabs label:hover{background:rgba(228,238,255,.08)}
.seqtabs label small{display:block;font-size:10px;letter-spacing:.12em;color:var(--ink2);text-transform:none}
#seq-a:checked ~ .seqtabs label[for="seq-a"],
#seq-i:checked ~ .seqtabs label[for="seq-i"]{background:var(--amber);border-color:var(--amber);color:#1a1300}
#seq-a:checked ~ .seqtabs label[for="seq-a"] small,
#seq-i:checked ~ .seqtabs label[for="seq-i"] small{color:#3a2c00}
#seq-a:focus-visible ~ .seqtabs label[for="seq-a"],
#seq-i:focus-visible ~ .seqtabs label[for="seq-i"]{outline:2px solid var(--ink);outline-offset:3px}
.seq{display:none}
#seq-a:checked ~ .seq-a, #seq-i:checked ~ .seq-i{display:block}
.seq .meta{font-size:12px;color:var(--ink2);margin:0 0 16px;max-width:none}
.shots{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:22px 18px}
.shot{margin:0;display:flex;flex-direction:column}
.shot a{display:block;border:1px solid var(--ink3);border-radius:16px;padding:5px;
  background:rgba(10,38,80,.6);transition:.15s}
.shot a:hover{border-color:var(--amber)}
.shot img{display:block;width:100%;height:auto;border-radius:11px}
.shot figcaption{font-size:12px;line-height:1.45;margin-top:9px;color:var(--ink)}
.shot figcaption .n{display:inline-block;font-size:10px;font-weight:700;color:var(--paper);
  background:var(--amber);padding:0 6px;margin-right:6px;letter-spacing:.08em}

/* ---- download cards ---- */
.dl{display:flex;flex-direction:column;gap:12px}
.dl .ver{font-size:11px;letter-spacing:.12em;color:var(--ink2);text-transform:uppercase}
.dl .hash{font-size:10.5px;color:var(--ink3);overflow-wrap:anywhere;letter-spacing:0}

@media print{
  .toolbar,.seqtabs{display:none}
  .seq{display:block!important}
  .shots{grid-template-columns:repeat(4,1fr)}
}