@font-face {
  font-family: "monocraft";
  src: url("/static/monocraft.ttf") format("truetype");
  font-display: swap;
}

:root {
  --bg: #18181b;
  --surface: #1f1f23;
  --raised: #27272a;
  --border: #3f3f46;
  --border-strong: #52525b;
  --text: #e4e4e7;
  --muted: #a1a1aa;
  --dim: #8b8b94;
  /* Brand orange for accents; buttons use the darker shade so white text keeps AA contrast. */
  --accent: #ea580c;
  --accent-strong: #c2410c;
  --accent-stronger: #9a3412;
  --ok: #4ade80;
  --warn: #facc15;
  --error: #f87171;

  --s1: 0.25rem;
  --s2: 0.5rem;
  --s3: 0.75rem;
  --s4: 1rem;
  --s5: 1.5rem;
  --s6: 2rem;
  --s7: 3rem;

  --radius: 2px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--s6) var(--s4);
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 "monocraft", ui-monospace, monospace;
}

::selection { background: var(--accent-strong); color: #fff; }

a { color: inherit; text-underline-offset: 3px; }
a:hover { color: var(--accent); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

h1, h2, h3 { margin: 0; line-height: 1.3; color: var(--text); }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.125rem; }
h3 { font-size: 1rem; }
p { margin: var(--s2) 0; }

code {
  font-family: inherit;
  background: var(--raised);
  padding: 0.05rem 0.35rem;
  border-radius: var(--radius);
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip {
  position: absolute;
  top: var(--s2);
  left: var(--s2);
  padding: var(--s2) var(--s3);
  background: var(--accent-strong);
  color: #fff;
  transform: translateY(-200%);
}
.skip:focus { transform: none; }

/* Layout */

header.site { text-align: center; }
.brand {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s2);
  text-decoration: none;
}
.brand-name { color: var(--accent); font-size: 1.75rem; line-height: 1.2; }
.tagline { color: var(--muted); margin: var(--s3) 0 0; }

main {
  width: 100%;
  max-width: 44rem;
  margin: var(--s6) 0;
  display: flex;
  flex-direction: column;
  gap: var(--s5);
}

footer.site { margin-top: auto; color: var(--dim); font-size: 0.8125rem; text-align: center; }
footer.site p { margin: 0; }

.card {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: var(--s6);
}

.lead { color: var(--muted); }
.aside { color: var(--dim); font-size: 0.8125rem; }
.label { color: var(--dim); font-size: 0.8125rem; }

/* Forms and buttons */

label { display: block; font-size: 0.875rem; }
.hint { margin: var(--s1) 0 var(--s2); color: var(--dim); font-size: 0.8125rem; }

input[type="text"] {
  width: 100%;
  min-width: 0;
  padding: var(--s3);
  background: var(--bg);
  color: var(--text);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font: inherit;
  transition: border-color 150ms;
}
input[type="text"]::placeholder { color: var(--dim); }
input[type="text"]:focus { outline: none; border-color: var(--accent); }

.join-row { display: flex; gap: var(--s2); }
.join-row button { flex: none; }

button, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s2);
  padding: var(--s3) var(--s4);
  font: inherit;
  font-weight: bold;
  line-height: 1.2;
  color: var(--text);
  background: var(--bg);
  border: 2px solid var(--border-strong);
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: background-color 150ms, border-color 150ms, color 150ms, transform 100ms var(--ease-out);
}
button:hover, .button:hover { color: var(--text); border-color: var(--accent); }
button:active, .button:active { transform: translateY(1px); }

.primary { background: var(--accent-strong); border-color: var(--accent-strong); color: #fff; }
.primary:hover { background: var(--accent-stronger); border-color: var(--accent-stronger); color: #fff; }

.ghost { background: transparent; border-color: transparent; color: var(--muted); padding-inline: 0; }
.ghost:hover { color: var(--text); border-color: transparent; }

.copy {
  padding: var(--s1) var(--s2);
  font-size: 0.75rem;
  font-weight: normal;
  color: var(--muted);
}
.copy.copied { color: var(--ok); border-color: var(--ok); }

.actions { display: flex; flex-wrap: wrap; gap: var(--s3); margin-top: var(--s5); }
.actions form { margin: 0; }

.alert, .notice {
  margin: var(--s4) 0 0;
  padding: var(--s3) var(--s4);
  border: 2px solid currentColor;
  border-radius: var(--radius);
}
.alert { color: var(--error); }
.alert::before { content: "! "; font-weight: bold; }
.notice { color: var(--warn); }

/* Selectable values: one click selects the whole value, no JavaScript needed. */

.select-all { user-select: all; -webkit-user-select: all; cursor: text; }

.field { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s2); margin: 0; }

.relay-address { text-align: center; }
.relay-address .field { justify-content: center; margin-top: var(--s1); }
.relay-address code { font-size: 1rem; padding: var(--s2) var(--s3); }

/* Home */

.join h1 { font-size: 1.25rem; }
.join form { margin-top: var(--s4); }
.extension { margin-top: var(--s2); }

.stat { text-align: center; color: var(--muted); margin: 0; }
.stat strong { color: var(--text); }

.how h2, .faq h2 { margin-bottom: var(--s4); }

.steps { margin: 0; padding-left: 1.5rem; color: var(--muted); }
.steps li { padding-left: var(--s2); margin-bottom: var(--s2); }
.steps li::marker { color: var(--accent); }

.faq details { border-top: 2px solid var(--border); }
.faq details:last-of-type { border-bottom: 2px solid var(--border); }
.faq summary {
  display: flex;
  justify-content: space-between;
  gap: var(--s4);
  padding: var(--s3) 0;
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); transition: transform 200ms var(--ease-out); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq summary:hover { color: var(--accent); }
.faq details p { margin: 0 0 var(--s4); color: var(--muted); }
.faq details[open] p { animation: reveal 250ms var(--ease-out); }

/* Status page */

.status { max-width: 36rem; width: 100%; margin-inline: auto; }
.status .key { margin: 0 0 var(--s4); color: var(--dim); font-size: 0.8125rem; }
.status .key code { background: none; padding: 0; }
.status h1 { font-size: 1.375rem; }
.amount { color: var(--accent); white-space: nowrap; }

.outcome { text-align: center; }
.outcome .lead { max-width: 30rem; margin-inline: auto; }

.check { display: block; margin: 0 auto var(--s4); }
.check-ring, .check-mark { fill: var(--ok); }
/* The ring pops in, then the check fills in pixel by pixel along its stroke. */
.check-ring { animation: pop 300ms steps(3) 150ms both; }
.check-mark rect { animation: pixel 1ms steps(1) both; }
.check-mark rect:nth-child(1), .check-mark rect:nth-child(2) { animation-delay: 450ms; }
.check-mark rect:nth-child(3), .check-mark rect:nth-child(4) { animation-delay: 510ms; }
.check-mark rect:nth-child(5), .check-mark rect:nth-child(6) { animation-delay: 570ms; }
.check-mark rect:nth-child(7), .check-mark rect:nth-child(8) { animation-delay: 630ms; }
.check-mark rect:nth-child(9), .check-mark rect:nth-child(10) { animation-delay: 690ms; }
.check-mark rect:nth-child(11), .check-mark rect:nth-child(12) { animation-delay: 750ms; }
.check-mark rect:nth-child(13), .check-mark rect:nth-child(14) { animation-delay: 810ms; }
.check-mark rect:nth-child(15), .check-mark rect:nth-child(16) { animation-delay: 870ms; }
.state-member h1 { color: var(--ok); }
.state-member .relay-address { margin-top: var(--s5); }
.state-member .aside { text-align: center; }

.blocks { display: flex; justify-content: center; gap: var(--s2); margin-bottom: var(--s4); }
.blocks span {
  width: 1rem;
  height: 1rem;
  background: var(--accent);
  opacity: 0.25;
  animation: block 1.8s steps(1) infinite;
}
.blocks span:nth-child(2) { animation-delay: 0.6s; }
.blocks span:nth-child(3) { animation-delay: 1.2s; }

.pay {
  display: grid;
  gap: var(--s5);
  margin-top: var(--s5);
  align-items: start;
}
.qr {
  justify-self: center;
  background: #fff;
  line-height: 0;
  border: 2px solid #fff;
  transition: border-color 150ms;
}
.qr:hover { border-color: var(--accent); }
.qr img { display: block; width: 240px; height: 240px; image-rendering: pixelated; }

.details { display: flex; flex-direction: column; align-items: flex-start; gap: var(--s2); min-width: 0; }
.details .label { margin: 0; }
.details code { display: block; padding: var(--s3); }
.address { font-size: 0.875rem; line-height: 1.8; }
/* Spacing comes from margins, not spaces, so a copied address stays intact. */
.address span { display: inline-block; margin-right: 0.6ch; }
.address span:last-child { margin-right: 0; }
.address .edge { color: var(--accent); font-weight: bold; }

.expiry { margin-top: var(--s5); }
.expiry label { color: var(--muted); font-size: 0.8125rem; margin-bottom: var(--s1); }
progress {
  display: block;
  width: 100%;
  height: 6px;
  appearance: none;
  border: none;
  background: var(--raised);
  color: var(--accent);
}
progress::-webkit-progress-bar { background: var(--raised); }
progress::-webkit-progress-value { background: var(--accent); transition: width 300ms var(--ease-out); }
progress::-moz-progress-bar { background: var(--accent); }

.refresh-note { color: var(--dim); font-size: 0.8125rem; margin-top: var(--s4); text-align: center; }

/* Motion */

main > * { animation: rise 400ms var(--ease-out) both; }
main > *:nth-child(2) { animation-delay: 60ms; }
main > *:nth-child(3) { animation-delay: 120ms; }
main > *:nth-child(4) { animation-delay: 180ms; }
main > *:nth-child(n+5) { animation-delay: 240ms; }

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
@keyframes reveal {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}
@keyframes block {
  0%, 66% { opacity: 1; }
  67%, 100% { opacity: 0.25; }
}
@keyframes pop {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes pixel {
  from { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .blocks span { opacity: 1; }
}

/* Larger screens */

@media (min-width: 40rem) {
  .pay { grid-template-columns: auto 1fr; }
  .qr { justify-self: start; }
}

/* Small screens */

@media (max-width: 30rem) {
  body { padding: var(--s5) var(--s3); font-size: 14px; }
  .card { padding: var(--s5) var(--s4); }
  .brand-name { font-size: 1.5rem; }
  .join-row { flex-direction: column; }
  .actions > * { flex: 1 1 100%; }
  .actions .button, .actions button { width: 100%; }
  .relay-address code { font-size: 0.875rem; }
}