/* address.baby — warm paper, deep sage. System fonts only: nothing is
   loaded from another site. */
:root {
  --bg: #FBF7F1;
  --surface: #FFFFFF;
  --ink: #231C16;
  --muted: #6B5F55;
  --line: #E7DCCF;
  --accent: #2D6A5A;
  --accent-ink: #24584A;
  --on-accent: #FFFFFF;
  --tint: #E7F1ED;
  --warm: #FBE9DC;
  --warm-ink: #74380F;
  --danger: #B42318;
  --ok: #1E7F4F;
  --btc: #F7931A; --eth: #627EEA; --sol: #9945FF;
  --radius: 16px;
  --serif: ui-serif, "New York", Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14110E; --surface: #1F1A15; --ink: #F3ECE4; --muted: #B4A89C; --line: #3A3129;
    --accent: #8DD3BE; --accent-ink: #A6E0CE; --on-accent: #0E2A22; --tint: #1B2C26; --warm: #3A2619; --warm-ink: #F5CBA9;
    --danger: #FF8A80; --ok: #6FD39C;
  }
}
:root[data-theme="dark"] {
  --bg: #14110E; --surface: #1F1A15; --ink: #F3ECE4; --muted: #B4A89C; --line: #3A3129;
  --accent: #8DD3BE; --accent-ink: #A6E0CE; --on-accent: #0E2A22; --tint: #1B2C26; --warm: #3A2619; --warm-ink: #F5CBA9;
  --danger: #FF8A80; --ok: #6FD39C;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.55 var(--sans);
  overflow-wrap: break-word;
  -webkit-tap-highlight-color: transparent;
}
.sprite { display: none; }
.ico { width: 1.15em; height: 1.15em; flex: none; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; vertical-align: -.2em; }
a { color: var(--accent-ink); text-underline-offset: .18em; }
a:where(:hover, :focus-visible) { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
h1, h2, h3 { line-height: 1.2; text-wrap: balance; }
h1 { font: 700 clamp(1.9rem, 6.4vw, 2.7rem)/1.12 var(--serif); letter-spacing: -.01em; margin: 0 0 .5rem; }
h2 { font: 700 1.35rem/1.25 var(--serif); margin: 0 0 .6rem; }
h3 { font-size: 1.05rem; margin: 1.2rem 0 .4rem; }
p, li { text-wrap: pretty; }
code { font-family: var(--mono); font-size: .9em; }
.lede { color: var(--muted); font-size: 1.08rem; margin: 0 0 1.2rem; }
.hint { color: var(--muted); font-size: .92rem; }
.opt { color: var(--muted); font-weight: 400; }

/* ---- frame */
.bar { border-bottom: 1px solid var(--line); background: var(--bg); }
.bar-in, main, .foot-in { max-width: 760px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
.bar-in { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 60px; }
.mark { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; color: var(--ink); text-decoration: none; font: 700 1.1rem/1 var(--serif); white-space: nowrap; }
.mark-ico { width: 30px; height: 30px; flex: none; border-radius: 8px; }
.menu { display: flex; gap: 4px; }
.menu a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 10px; border-radius: 10px; color: var(--ink); text-decoration: none; font-size: .98rem; white-space: nowrap; }
.menu a:hover { background: var(--tint); }
.menu a[aria-current="page"] { color: var(--accent-ink); font-weight: 650; }
main { padding-top: 28px; padding-bottom: 48px; }
.foot { border-top: 1px solid var(--line); color: var(--muted); font-size: .92rem; }
.foot-in { padding-top: 20px; padding-bottom: calc(28px + env(safe-area-inset-bottom)); }
.foot nav { display: flex; flex-wrap: wrap; gap: 2px 18px; margin-bottom: 8px; }
.foot nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--ink); }
.foot p { margin: 0; }

.hero { margin-bottom: 18px; }

/* ---- controls */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 0 18px; border-radius: 12px;
  border: 1.5px solid var(--line); background: var(--surface); color: var(--ink);
  font: 600 1rem/1.2 var(--sans); text-decoration: none; cursor: pointer;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.primary:hover { filter: brightness(1.06); }
.btn.big { min-height: 54px; font-size: 1.06rem; width: 100%; }
.btn.small { min-height: 40px; padding: 0 12px; font-size: .92rem; border-radius: 10px; }
.btn.ghost { background: transparent; }
.btn.armed { border-color: var(--danger); color: var(--danger); }
.btn:disabled { opacity: .6; cursor: progress; }
.link-btn { background: none; border: 0; padding: 0; color: var(--accent-ink); font: inherit; text-decoration: underline; text-underline-offset: .18em; cursor: pointer; min-height: 32px; }

.field { display: block; margin: 0 0 14px; }
.field .label { display: block; font-weight: 650; margin-bottom: 6px; }
input[type="text"], input:not([type]), input[type="date"] {
  width: 100%; min-height: 50px; padding: 10px 14px;
  border: 1.5px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--ink);
  font: 1.05rem/1.3 var(--sans);
}
input[type="date"] { appearance: none; -webkit-appearance: none; display: block; }
input:focus { outline: 3px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
input[aria-invalid] { border-color: var(--danger); }
input[readonly] { font: .95rem/1.3 var(--mono); color: var(--muted); }
.error { color: var(--danger); font-weight: 600; margin: -6px 0 14px; }

/* ---- notices */
.net, .warn {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 14px 16px; border-radius: 14px; margin: 0 0 18px;
}
.net p, .warn span, .warn { margin: 0; }
.net { background: var(--tint); }
.net strong { display: block; }
.net .ico { color: var(--accent-ink); margin-top: .2em; }
.net[data-state="offline"] { outline: 2px solid var(--accent); }
.warn { background: var(--warm); color: var(--warm-ink); font-weight: 550; }
.warn .ico { margin-top: .2em; }

/* ---- the four steps */
.progress { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; list-style: none; padding: 0; margin: 0 0 14px; counter-reset: none; }
.progress li { display: flex; flex-direction: column; align-items: center; gap: 4px; font-size: .82rem; color: var(--muted); text-align: center; }
.progress .n { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; border: 1.5px solid var(--line); background: var(--surface); font-weight: 700; }
.progress li[aria-current="step"] { color: var(--ink); font-weight: 650; }
.progress li[aria-current="step"] .n { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 16px; margin: 0 0 20px; }
.panel > h2:first-child { margin-top: 0; }
.panel h2:focus { outline: none; }
.card-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0 8px; }
.card-actions .btn { flex: 1 1 auto; }
.check-fields { display: grid; gap: 4px; }
.check-fields.all { grid-template-columns: repeat(auto-fill, minmax(min(100%, 132px), 1fr)); column-gap: 12px; }

/* ---- the gift card */
.card { border: 2px solid var(--ink); border-radius: 14px; padding: 18px 14px; background: var(--surface); }
.card:empty { display: none; }
.card-head { text-align: center; border-bottom: 1px dashed var(--line); padding-bottom: 12px; margin-bottom: 14px; }
.card-kicker { margin: 0; color: var(--muted); font-size: .9rem; letter-spacing: .04em; text-transform: uppercase; }
.card-name { margin: 2px 0 0; font: 700 2rem/1.15 var(--serif); }
.card-date { margin: 4px 0 0; color: var(--muted); }
.card h3 { margin: 0 0 10px; font-size: .95rem; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); }
.card section { margin-bottom: 18px; }
.words { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; list-style: none; padding: 0; margin: 0; }
.words li { display: flex; align-items: baseline; gap: 6px; padding: 7px 8px; border: 1px solid var(--line); border-radius: 9px; min-width: 0; }
.words .n { color: var(--muted); font-size: .8rem; min-width: 1.4em; text-align: right; font-variant-numeric: tabular-nums; }
.words .w { font: 600 1.02rem/1.2 var(--mono); }
.card-small, .card-foot { color: var(--muted); font-size: .85rem; margin: 8px 0 0; }
.card-foot { border-top: 1px dashed var(--line); padding-top: 10px; margin: 0; }
.keep-list { padding-left: 1.2em; margin: 0; }
.keep-list li { margin-bottom: 6px; }

.addr-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.addr-item { display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 12px; align-items: start; }
.addr-item .qr { width: 92px; height: 92px; border-radius: 6px; }
.addr-name { margin: 0; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.addr-name::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--c, var(--accent)); flex: none; }
.chain-btc { --c: var(--btc); } .chain-eth { --c: var(--eth); } .chain-sol { --c: var(--sol); }
.addr { display: block; font: .93rem/1.45 var(--mono); margin: 2px 0; }
/* Groups of four never break inside; a line breaks only between groups. */
.addr span { display: inline-block; white-space: nowrap; margin-right: .28em; }
.addr span:last-child { margin-right: 0; }
.addr-note { margin: 2px 0 0; color: var(--muted); font-size: .85rem; }
.addr-tools { margin-top: 8px; }

.gift-list .addr-item { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.gift-list { margin-bottom: 20px; }
.watch-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }

/* ---- balances */
.servers h2 { display: flex; align-items: center; gap: 8px; }
.server-list { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 8px; }
.server-list li { display: grid; gap: 1px; }
.server-list code, .server-list li > span:last-child { padding-left: 15px; }
.server-list code { font-weight: 650; overflow-wrap: anywhere; }
.server-list li > span:last-child { color: var(--muted); font-size: .9rem; }
.chip { display: inline-flex; align-items: center; gap: 6px; font-weight: 650; font-size: .92rem; }
.chip::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--c); }
.check-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: 0 0 16px; }
.babies { display: grid; gap: 16px; margin-bottom: 20px; }
.baby { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.baby-name { margin: 0; font-size: 1.5rem; }
.baby-meta { margin: 2px 0 12px; color: var(--muted); font-size: .9rem; }
.bal-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.bal { border-top: 1px solid var(--line); padding-top: 10px; }
.bal-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 4px 12px; }
.bal-value { margin: 0; font: 650 1.05rem/1.3 var(--mono); font-variant-numeric: tabular-nums; }
.bal[data-state="error"] .bal-value { color: var(--danger); font: 600 .9rem/1.3 var(--sans); }
.bal[data-state="loading"] .bal-value { color: var(--muted); }
.bal-pending { margin: 0; color: var(--muted); font-size: .88rem; text-align: right; }
.bal .addr { color: var(--muted); font-size: .84rem; }
.baby-foot { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }

/* ---- reading */
.below { margin-top: 36px; }
.how { padding-left: 1.3em; }
.how li { margin-bottom: 10px; }
.faq { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 12px 0 12px 26px; min-height: 44px; font-weight: 650; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before {
  content: ""; position: absolute; left: 4px; top: 1.15em; width: 8px; height: 8px;
  border: solid var(--accent-ink); border-width: 0 2px 2px 0; transform: rotate(-45deg); transition: transform .15s;
}
.faq[open] summary::before { transform: rotate(45deg); top: 1em; }
.faq p { margin: 0 0 14px 26px; color: var(--ink); }
.guide-list { list-style: none; padding: 0; margin: 0 0 20px; display: grid; gap: 10px; }
.guide-list a { display: block; padding: 14px 16px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); color: var(--ink); text-decoration: none; }
.guide-list a:hover { border-color: var(--accent); }
.guide-list strong { display: block; font: 700 1.1rem/1.3 var(--serif); margin-bottom: 2px; }
.guide-list span { color: var(--muted); font-size: .95rem; }
.prose { max-width: 38rem; }
.prose h2 { margin-top: 1.8rem; }
.prose li { margin-bottom: 6px; }
.meta { color: var(--muted); font-size: .9rem; margin: 0 0 1rem; }
.lib-list code { font-weight: 650; }

.toast {
  position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom)); transform: translateX(-50%);
  max-width: calc(100vw - 32px); padding: 10px 16px; border-radius: 12px;
  background: var(--ink); color: var(--bg); font-weight: 600; z-index: 20;
}
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

@media (max-width: 359px) {
  .mark { font-size: 1rem; gap: 6px; }
  .mark-ico { width: 26px; height: 26px; }
  .menu a { padding: 0 8px; font-size: .94rem; }
  .addr-item { grid-template-columns: 76px minmax(0, 1fr); }
  .addr-item .qr { width: 76px; height: 76px; }
  .card { padding: 16px 10px; }
  .words { gap: 5px; }
  .words li { padding: 6px; gap: 4px; }
  .words .w { font-size: .94rem; }
}
@media (min-width: 420px) {
  .words { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .panel { padding: 22px 20px; }
  .card { padding: 22px 20px; }
}
@media (min-width: 640px) {
  .words { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .addr-item { grid-template-columns: 110px minmax(0, 1fr); gap: 16px; }
  .addr-item .qr { width: 110px; height: 110px; }
  .btn.big { width: auto; }
  .card-actions .btn { flex: 0 0 auto; }
  .card-name { font-size: 2.4rem; }
}

/* ---- printing: only the gift card, black on white, on one page */
@media print {
  @page { margin: 10mm; }
  :root { --bg: #fff; --surface: #fff; --ink: #000; --muted: #333; --line: #999; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .bar, .foot, .hero, .net, .progress, .below, .warn, .card-actions, .hint, .toast, noscript,
  body.page-index [data-step]:not([data-step="card"]) { display: none !important; }
  body.page-index [data-step="card"] > h2 { display: none; }
  main { padding: 0; max-width: none; }
  .panel { border: 0; padding: 0; margin: 0; }
  .card { border: 1.5pt solid #000; border-radius: 0; padding: 5mm 6mm; break-inside: avoid; }
  .card-head { padding-bottom: 3mm; margin-bottom: 4mm; }
  .card-kicker { font-size: 9pt; }
  .card-name { font-size: 20pt; }
  .card section { margin-bottom: 3mm; }
  .card h3 { font-size: 9pt; margin-bottom: 2mm; }
  .words { grid-template-columns: repeat(4, 1fr); gap: 1.5mm; }
  .words li { border-color: #999; padding: 1.2mm 2mm; }
  .words .w { font-size: 11.5pt; }
  .card-small, .card-foot { font-size: 8.5pt; margin-top: 1.5mm; }
  .card-foot { padding-top: 2.5mm; }
  .addr-list { gap: 3mm; }
  .addr-item { grid-template-columns: 20mm 1fr; gap: 4mm; break-inside: avoid; }
  .addr-item .qr { width: 20mm; height: 20mm; }
  .addr { font-size: 9.5pt; }
  .addr-note { font-size: 8.5pt; }
  .keep-list { font-size: 9pt; line-height: 1.3; }
  .keep-list li { margin-bottom: 1mm; }
  .addr-name::before { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  a { color: #000; }
}