@font-face{font-family:"Geist";src:url("fonts/Geist-Bold.woff2") format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Geist Mono";src:url("fonts/GeistMono-Regular.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Geist Mono";src:url("fonts/GeistMono-Medium.woff2") format("woff2");font-weight:500;font-display:swap}

:root{
  color-scheme:dark;
  --bg:#000000;
  --surface-sunken:#0D0D0D;
  --fg:#FFFFFF;
  --fg-muted:#A3A3A3;
  --fg-code:#D4D4D4;
  --line:#333333;        /* decorative card border/divider */
  --line-sunken:#1F1F1F;
  --control:#8A8A8A;     /* interactive borders/underlines: 5.9:1 on black (WCAG 1.4.11 needs 3:1) */
  --danger:#FF8A8A;
  --mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:"Geist",system-ui,sans-serif;
  --radius:4px;
}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--mono);-webkit-text-size-adjust:100%}

a{color:var(--fg);text-decoration:none;border-bottom:1px solid var(--control);padding-bottom:2px}
a:hover{color:var(--fg-muted);border-bottom-color:var(--fg-muted)}
a:focus-visible,button:focus-visible,pre:focus-visible{outline:2px solid var(--fg);outline-offset:3px}

main{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:48px 16px}
.wrap{width:100%;max-width:640px;display:flex;flex-direction:column;gap:20px}

.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:40px 36px;display:flex;flex-direction:column;gap:28px;container-type:inline-size}
.label{margin:0;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--fg-muted)}
h1{margin:0 0 4px;font-family:var(--sans);font-weight:700;font-size:clamp(36px,10vw,56px);font-size:clamp(24px,10.5cqi,56px);line-height:1.05;letter-spacing:-.03em;overflow-wrap:anywhere}
.rule{height:1px;background:var(--line);border:0;margin:0}

dl{margin:0;display:grid;grid-template-columns:96px minmax(0,1fr);row-gap:18px;column-gap:16px;font-size:14px;align-items:baseline}
dd{margin:0;overflow-wrap:anywhere}
.stack{display:flex;flex-direction:column;gap:10px}
.stack a{align-self:flex-start}
.stack.tight{gap:6px}
.hint{font-size:12px;color:var(--fg-muted)}
.fpr{font-family:inherit;font-size:14px;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere}

.actions{display:flex;flex-wrap:wrap;gap:10px}
button{min-height:44px;padding:0 16px;border-radius:var(--radius);border:1px solid var(--control);background:var(--bg);color:var(--fg);font:inherit;font-size:13px;cursor:pointer;transition:background-color .12s,border-color .12s,color .12s}
button:hover{border-color:var(--fg);background:#141414}
button:active{background:#1F1F1F}
button.primary{border-color:var(--fg);background:var(--fg);color:var(--bg);font-weight:500}
button.primary:hover{background:#D4D4D4;border-color:#D4D4D4}
button[data-state="err"]{border-color:var(--danger);color:var(--danger)}

.keypanel{border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:12px}
.keypanel[hidden]{display:none}
.keybar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.keybar .actions{gap:8px}
.keybar .actions a{align-self:center}
pre{margin:0;padding:16px;background:var(--surface-sunken);border:1px solid var(--line-sunken);border-radius:var(--radius);font-family:inherit;font-size:12px;line-height:1.6;color:var(--fg-code);overflow-x:auto;white-space:pre}

footer{margin:0;text-align:center;font-size:12px;line-height:1.8;color:var(--fg-muted)}
footer code{font-family:inherit;color:var(--fg);overflow-wrap:anywhere}

.mismatch{border:1px solid var(--danger);color:var(--danger);border-radius:var(--radius);padding:12px 16px;font-size:13px}
.mismatch[hidden]{display:none}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* Without JS the copy/toggle buttons can't work: show the key inline instead. */
.no-js .js-only{display:none}
.no-js .keypanel[hidden]{display:flex}

@media (max-width:440px){
  .card{padding:28px 20px;gap:24px}
  dl{display:block}
  dl .label{margin:22px 0 6px}
  dl .label:first-child{margin-top:0}
}
@media (prefers-reduced-motion:reduce){button{transition:none}}