/* King Brand theme (2026-11-13): obsidian, brushed-gold hairlines, cyan telemetry. Self-hosted fonts, no inline styles. */
@font-face{font-family:Inter;font-weight:400;font-display:swap;src:url(assets/fonts/inter-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:Inter;font-weight:500;font-display:swap;src:url(assets/fonts/inter-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:Inter;font-weight:600;font-display:swap;src:url(assets/fonts/inter-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Space Grotesk";font-weight:500;font-display:swap;src:url(assets/fonts/space-grotesk-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Space Grotesk";font-weight:700;font-display:swap;src:url(assets/fonts/space-grotesk-latin-700-normal.woff2) format("woff2")}
:root{--bg:#06080D;--panel:#0D111A;--glass:rgba(13,17,26,.72);--line:rgba(212,175,55,.32);--line-soft:rgba(212,175,55,.16);--text:#EAF0FA;--muted:#9AA7BD;--gold:#D4AF37;--amber:#F59E0B;--accent:#00F0FF;--blue:#0EA5E9;--emerald:#10B981;--err:#ff7b7b;--ok:#34d399;color-scheme:dark}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;color:var(--text);font:16px/1.6 Inter,system-ui,sans-serif;padding:0 16px;min-height:100vh;background-color:var(--bg);background-image:radial-gradient(1100px 520px at 85% -10%,rgba(14,165,233,.14),transparent 60%),radial-gradient(900px 480px at -10% 8%,rgba(212,175,55,.10),transparent 55%);background-repeat:no-repeat}
.wrap{max-width:680px;margin:0 auto;padding-block:8px 64px}
.wrap.wide{max-width:1000px}
a{color:var(--accent)}
a:hover{color:#8ffaff}
h1,h2,h3{font-family:"Space Grotesk",system-ui,sans-serif;letter-spacing:.01em}
h1{font-size:clamp(1.7rem,5vw,2.4rem);line-height:1.12;margin:.5em 0 .3em;background:linear-gradient(100deg,#fff 20%,var(--gold) 90%);-webkit-background-clip:text;background-clip:text;color:transparent}
p.lead{color:var(--muted);margin-top:0}
.site-head{display:flex;justify-content:space-between;align-items:center;gap:12px 20px;flex-wrap:wrap;padding:16px 0;border-bottom:1px solid var(--line-soft);margin-bottom:12px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);font:700 1.15rem "Space Grotesk",sans-serif}
.brand img{display:block;width:44px;height:44px;object-fit:contain;filter:drop-shadow(0 0 10px rgba(212,175,55,.35))}
.brand b{color:var(--gold)}
.site-head nav{display:flex;flex-wrap:wrap;gap:4px 18px}
.site-head nav a{color:var(--muted);text-decoration:none;font-size:.95rem;padding:4px 0;border-bottom:1px solid transparent}
.site-head nav a:hover,.site-head nav a:focus-visible,.site-head nav a[aria-current=page]{color:var(--accent);border-bottom-color:var(--gold)}
form,.card{background:var(--glass);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:14px;box-shadow:0 10px 40px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.04)}
form{display:grid;gap:14px;padding:24px;margin-top:20px}
.card{padding:20px;margin-top:16px}
label{display:grid;gap:6px;font-weight:500;font-size:.95rem}
input,select,textarea{background:rgba(6,8,13,.8);color:var(--text);border:1px solid var(--line-soft);border-radius:8px;padding:11px 12px;font:inherit;width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--gold)}
input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:400;color:var(--muted)}
.check input{width:auto;margin-top:5px}
button,.btn{background:linear-gradient(135deg,var(--gold),var(--amber));color:#1a1203;border:0;border-radius:8px;padding:12px 22px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;display:inline-block;box-shadow:0 4px 18px rgba(212,175,55,.25)}
button:hover,.btn:hover{filter:brightness(1.08);color:#1a1203}
button[disabled]{opacity:.6;cursor:wait}
#msg{min-height:1.5em;margin:0}
#msg.ok{color:var(--ok)}
#msg.err{color:var(--err)}
.note{color:var(--muted);font-size:.85rem}
fieldset{border:1px solid var(--line-soft);border-radius:8px;padding:10px 14px;margin:0}
legend{padding:0 6px;font-weight:500;font-size:.95rem}
fieldset .check{margin:4px 0}
.legal h2{font-size:1.15rem;margin:1.6em 0 .3em;color:var(--gold)}
.legal ul{padding-left:1.2em}
.doc{white-space:pre-wrap;max-height:280px;overflow:auto;background:rgba(6,8,13,.8);border:1px solid var(--line-soft);border-radius:8px;padding:12px;font-size:.85rem}
canvas#pad{width:100%;max-width:480px;height:140px;background:#fff;border-radius:8px;touch-action:none;display:block}
code.h{word-break:break-all;font-size:.8rem;color:var(--accent)}
.tabs{display:flex;gap:8px;margin:8px 0}.tabs button{background:var(--panel);color:var(--text);border:1px solid var(--line);box-shadow:none}.tabs button[aria-pressed=true]{background:linear-gradient(135deg,var(--gold),var(--amber));color:#1a1203}
.sandbox{border:1px dashed var(--accent);border-radius:8px;padding:10px;color:var(--muted)}
.bar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}
.big-amt{font-size:1.6rem;margin:.2em 0}
.foot{border-top:1px solid var(--line-soft);margin-top:40px;padding-top:16px;color:var(--muted);font-size:.85rem}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
.err{color:var(--err)}