/* Quiet Chain shared theme (used by check.quietchain.io, spreads.quietchain.io and the quietchain.io landing page). */
:root{
  --bg:#000; --bg2:#0a0c08; --card:#0f120c; --line:#1f2618; --text:#ecf2e4; --muted:#9aa58f;
  --accent:#a9f600; --accent-dim:rgba(169,246,0,.14); --accent-line:rgba(169,246,0,.35);
  --good:#a9f600; --warn:#f0b429; --bad:#ff6b6b; --info:#7fd6ff;
  --radius:16px; --max:1120px;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 var(--font);-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
a{color:var(--accent)}a:hover{text-decoration:none}
img{max-width:100%}
code{font-family:var(--mono);background:var(--bg2);border:1px solid var(--line);padding:1px 6px;border-radius:6px;font-size:.9em}
.wrap{max-width:var(--max);width:100%;box-sizing:border-box;min-width:0;margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;background:var(--accent);color:#000;padding:8px 12px;border-radius:8px;z-index:99}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

/* header */
header.site{position:sticky;top:0;z-index:10;background:rgba(0,0,0,.85);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:12px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:800;letter-spacing:-.01em;font-size:1.1rem}
.brand img{width:38px;height:38px;border-radius:10px;border:1px solid var(--line)}
.brand small{display:block;font:600 .68rem/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-top:3px}
nav.links{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
nav.links a{color:var(--muted);text-decoration:none;font-size:.95rem;padding:9px 14px;border-radius:999px;border:1px solid transparent}
nav.links a:hover{color:var(--text);border-color:var(--line)}
nav.links a[aria-current="page"]{color:#000;background:var(--accent);font-weight:700}

/* headings, text */
h1{font-size:clamp(1.9rem,4.6vw,3rem);line-height:1.08;letter-spacing:-.03em;margin:0 0 14px;font-weight:850}
h1 .hl,.hl{color:var(--accent)}
h2{font-size:clamp(1.3rem,2.6vw,1.7rem);letter-spacing:-.02em;line-height:1.15;margin:0 0 12px}
h3{margin:0 0 8px;font-size:1.1rem}
.lead{color:var(--muted);font-size:clamp(1.02rem,1.8vw,1.2rem);max-width:62ch;margin:0 0 20px}
.lead strong{color:var(--text)}
.mut,small,.hint{color:var(--muted)}
.hint{font-size:.88rem}
.kicker,.eyebrow{display:inline-block;font:600 .75rem/1 var(--mono);letter-spacing:.09em;text-transform:uppercase;color:var(--accent);margin:0 0 12px}
.eyebrow{border:1px solid var(--accent-line);background:var(--accent-dim);border-radius:999px;padding:7px 12px}
.hero{padding:40px 0 14px}
.hero .pills{margin-top:6px}

/* cards, layout */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin:16px 0;overflow-x:auto}
.card.flat{overflow:visible}
.card h2:first-child,.card h3:first-child{margin-top:0}
.grid{display:grid;gap:16px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}
.row{display:flex;gap:14px;flex-wrap:wrap}.row>*{flex:1;min-width:220px}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.pill{display:inline-block;font:600 .74rem/1 var(--mono);letter-spacing:.04em;color:var(--muted);border:1px solid var(--line);background:var(--bg2);border-radius:999px;padding:7px 11px}
.pill.accent{color:var(--accent);border-color:var(--accent-line);background:var(--accent-dim)}
.fee,.tier{display:inline-block;font:600 .78rem/1 var(--mono);border-radius:999px;padding:7px 12px;border:1px solid var(--accent-line);background:var(--accent-dim);color:var(--accent)}
.tier{margin-left:8px;padding:5px 10px}.t-sub{color:var(--accent)}.t-free{color:var(--warn);border-color:rgba(240,180,41,.4);background:rgba(240,180,41,.08)}

/* forms + buttons */
label{display:block;margin:14px 0 6px;color:var(--text);font-weight:650;font-size:.95rem}
label .hint{font-weight:400}
input,select{width:100%;padding:14px 14px;border-radius:12px;border:1px solid var(--line);background:var(--bg2);color:var(--text);font:inherit;font-size:1rem;min-height:48px}
input::placeholder{color:#5e6a54}
input:focus,select:focus{border-color:var(--accent)}
input[type=checkbox]{width:auto;min-height:0}
.btn,button.btn,button{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:700;font-size:1rem;text-decoration:none;border-radius:999px;padding:13px 22px;min-height:48px;border:1px solid var(--line);background:transparent;color:var(--text);cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease}
.btn:hover,button:hover{border-color:var(--accent);color:var(--accent)}
.btn-primary,button.primary{background:var(--accent);color:#000;border-color:var(--accent)}
.btn-primary:hover,button.primary:hover{color:#000;transform:translateY(-1px);box-shadow:0 0 26px 3px rgba(169,246,0,.3)}
button:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn-sm,button.sm{padding:8px 14px;min-height:38px;font-size:.88rem}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
.actions>.btn,.actions>button{flex:1;min-width:210px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.chip{font:600 .85rem var(--mono);border:1px solid var(--line);background:var(--bg2);color:var(--text);border-radius:999px;padding:10px 14px;min-height:42px;cursor:pointer}
.chip:hover{border-color:var(--accent);color:var(--accent)}

/* notices */
.note,.warn,.demo,.paid{border-radius:12px;padding:12px 14px;font-size:.92rem;margin:12px 0;border:1px solid var(--line);background:var(--bg2);color:var(--muted)}
.note b,.warn b{color:var(--text)}
.warn{border-color:rgba(240,180,41,.4);background:rgba(240,180,41,.07);color:#e6d08a}
.warn b{color:#f6e3a1}
.demo{border-color:var(--accent-line);background:var(--accent-dim);color:#cfe9a0}
.paid{border-color:rgba(127,214,255,.4);background:rgba(127,214,255,.07);color:#bfe9ff}
.err{color:var(--bad);font-weight:650}.ok{color:var(--good);font-weight:650}
.nfa{font:600 .72rem/1.3 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--warn)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:6px 0 0;padding:0;list-style:none}
.steps.four{grid-template-columns:repeat(4,1fr)}
.steps li{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:14px}
.steps .n{font:700 .8rem var(--mono);color:#000;background:var(--accent);width:28px;height:28px;border-radius:50%;display:grid;place-items:center;margin-bottom:8px}
.steps b{display:block;margin-bottom:2px}.steps span{color:var(--muted);font-size:.92rem}

/* verdict */
.verdict{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center}
.vbadge{font:800 clamp(1.4rem,3.4vw,2rem)/1.05 var(--font);letter-spacing:-.02em;border-radius:14px;padding:14px 18px;text-align:center;min-width:150px;border:1px solid var(--line)}
.vbadge small{display:block;font:600 .7rem var(--mono);letter-spacing:.08em;text-transform:uppercase;margin-top:6px;opacity:.85;color:inherit}
.v-good{color:var(--good);border-color:var(--accent-line);background:var(--accent-dim)}
.v-warn{color:var(--warn);border-color:rgba(240,180,41,.45);background:rgba(240,180,41,.08)}
.v-bad{color:var(--bad);border-color:rgba(255,107,107,.45);background:rgba(255,107,107,.08)}
.because{margin:8px 0 0;padding-left:20px}.because li{margin:3px 0}
.bar{height:10px;border-radius:5px;background:linear-gradient(90deg,var(--good),var(--warn),var(--bad));position:relative;margin:14px 0 4px}
.bar i{position:absolute;top:-5px;width:4px;height:20px;background:#fff;border-radius:2px}
.flag{border-left:4px solid var(--info);padding:10px 14px;margin:10px 0;background:var(--bg2);border-radius:0 12px 12px 0}
.flag.red{border-color:var(--bad)}.flag.yellow{border-color:var(--warn)}.flag.green{border-color:var(--good)}
.flag b{display:block}.pts{float:right;color:var(--muted);font:.74rem var(--mono)}

/* pay panel */
.payrow{display:flex;gap:12px;align-items:center;flex-wrap:wrap;background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin:10px 0}
.payrow .lab{flex:0 0 100%;font:600 .72rem var(--mono);letter-spacing:.07em;text-transform:uppercase;color:var(--accent)}
.payrow .val{flex:1;min-width:0;font:600 1.05rem var(--mono);word-break:break-all}
.payrow .val.big{font-size:1.5rem}
.paygrid{display:grid;grid-template-columns:1fr 210px;gap:18px;align-items:start}
.qr{background:#fff;padding:8px;border-radius:12px;width:200px;height:200px;justify-self:center}.qr svg{width:100%;height:100%}
.kv{font:600 .85rem var(--mono);background:var(--bg2);border:1px solid var(--line);padding:3px 7px;border-radius:6px;word-break:break-all}
.copy.done{color:#000;background:var(--accent);border-color:var(--accent)}

/* tables */
table{width:100%;border-collapse:collapse}
td,th{padding:8px 8px;border-bottom:1px solid var(--line);text-align:left;font-size:.9rem;vertical-align:top}
th{color:var(--muted);font:600 .72rem var(--mono);letter-spacing:.05em;text-transform:uppercase;white-space:nowrap}
.num td,.num th{text-align:right;white-space:nowrap}.num th:first-child,.num td:first-child{text-align:left}
.addr{word-break:break-all;font-family:var(--mono);font-size:.82rem}
.pos{color:var(--good)}.neg{color:var(--bad)}
canvas{width:100%;height:220px;background:var(--bg2);border-radius:12px;border:1px solid var(--line)}
.legend span{margin-right:14px;font-size:.8rem;color:var(--muted)}.sw{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px}
details.more{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:0 14px;margin:12px 0}
details.more summary{cursor:pointer;padding:12px 0;font-weight:650}
details.more[open]{padding-bottom:12px}

/* prose (terms/rules) */
.prose h2{margin-top:1.8em;font-size:1.15rem}.prose p,.prose li{color:#d3dcc8}.prose ul{padding-left:20px}

/* footer */
footer.site{border-top:1px solid var(--line);margin-top:36px;padding:28px 0 40px;color:var(--muted);font-size:.88rem;background:var(--bg2)}
footer.site .top{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:16px}
footer.site nav{display:flex;gap:16px;flex-wrap:wrap}
footer.site a{color:var(--muted);text-decoration:none}footer.site a:hover{text-decoration:underline}footer.site a:hover{color:var(--accent)}
footer.site .disc{border-top:1px solid var(--line);padding-top:14px;max-width:900px}
footer.site .disc strong{color:var(--text)}

@media (max-width:960px){.steps.four{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){
  body{font-size:16px}
  .g2,.g3,.steps,.steps.four{grid-template-columns:1fr}
  .verdict{grid-template-columns:1fr}
  .paygrid{grid-template-columns:1fr}
  nav.links{width:100%;justify-content:space-between}
  nav.links a{padding:8px 10px;font-size:.9rem}
  .card{padding:16px;border-radius:14px}
  .actions>.btn,.actions>button{flex:1 1 100%}
  .payrow .val.big{font-size:1.3rem}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
body.admin table{display:block;overflow-x:auto}