/*
  shared.cat base stylesheet.
  Design read: utility link board for creators and supporters, calm trust-first,
  system sans, one accent, native HTML/CSS. Dials: variance 4, motion 2, density 4.
*/
:root {
  --bg: #f4f4f1;
  --bg-alt: #e9e8e3;
  --panel: #fffefc;
  --panel-alt: #f1f0ec;
  --ink: #1b1a18;
  --ink-soft: #403d38;
  --muted: #6b655c;
  --line: #dedbd5;
  --line-strong: #c6c1b9;
  --accent: #b53d18;
  --accent-2: #8f2f12;
  --accent-ink: #ffffff;
  --link: #a33a18;
  --ok: #1f6b4d;
  --ok-bg: #e4f1e9;
  --warn: #765013;
  --warn-bg: #faf0d8;
  --danger: #9f2f25;
  --danger-bg: #f8e4e1;
  --header-bg: #fffefc;
  --header-ink: #1b1a18;
  --header-line: #dedbd5;
  --button-bg: #b53d18;
  --button-ink: #ffffff;
  --button-alt-bg: #fffefc;
  --button-alt-ink: #1b1a18;
  --input-bg: #fffefc;
  --input-ink: #1b1a18;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 24px rgba(40, 35, 28, 0.06);
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --max-width: 980px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { max-width: 100%; }
body {
  margin: 0;
  max-width: 100%;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--accent-2); text-decoration: underline; }
img, svg { max-width: 100%; }
h1, h2, h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
h1 { font-size: 30px; }
h2 { font-size: 19px; }
h3 { font-size: 16px; }
p { margin: 0 0 10px; }
p:last-child { margin-bottom: 0; }
code, pre, .mono { font-family: var(--font-mono); }
code { background: var(--panel-alt); border: 1px solid var(--line); border-radius: 4px; padding: 0 3px; font-size: 0.9em; }
pre { overflow-x: auto; max-width: 100%; margin: 12px 0; padding: 12px 14px; background: var(--panel-alt); border: 1px solid var(--line); border-radius: var(--radius-sm); font-size: 12px; line-height: 1.5; }
pre code { background: none; border: 0; padding: 0; }
hr { border: 0; border-top: 1px solid var(--line); margin: 18px 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.tiny { font-size: 11px; }
.center { text-align: center; }
.mt { margin-top: 14px; }
.mono { font-family: var(--font-mono); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.skip { position: absolute; left: -9999px; top: 6px; background: var(--panel); color: var(--ink); padding: 6px 10px; border: 1px solid var(--line-strong); z-index: 10; }
.skip:focus { left: 6px; }

.shell { width: min(var(--max-width), calc(100% - 32px)); margin: 0 auto; }
.narrow { width: min(680px, calc(100% - 32px)); margin: 0 auto; }
.page { padding: 40px 0 72px; }
.page-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.page-bar h1 { font-size: 34px; }
.page-sub { margin: 6px 0 0; color: var(--muted); font-size: 15px; }
.back { display: inline-block; margin-bottom: 16px; color: var(--muted); font-size: 13px; }
.landing { padding: 56px 0 72px; }
.landing-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(180px, 280px); align-items: center; gap: 48px; margin-bottom: 40px; }
.hero-copy { max-width: 640px; }
.hero-mark { justify-self: center; width: 100%; }
.hero-mark .logo-mark { display: block; width: 100%; height: auto; }
.landing h1 { font-size: clamp(36px, 6vw, 54px); line-height: 1.05; letter-spacing: -0.03em; }
.landing .lede { margin-top: 12px; max-width: 58ch; color: var(--muted); font-size: 18px; }
.landing-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 22px; }
.landing-actions .btn-large { width: auto; min-width: 200px; }
.landing-steps { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.step-card { padding: 20px; background: var(--panel); border: 1px solid var(--line); border-top: 3px solid var(--accent); border-radius: var(--radius); }
.step-number { font-family: var(--font-mono); font-size: 13px; font-weight: 700; color: var(--accent); }
.step-card h2 { margin: 8px 0 4px; font-size: 20px; }
.step-card p { color: var(--muted); font-size: 14px; }
.privacy-note { margin-top: 22px; padding: 18px 20px; background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: var(--radius); }
.privacy-note h2 { margin-bottom: 6px; font-size: 17px; }
.privacy-note p { max-width: 70ch; color: var(--muted); font-size: 14px; }

.header { background: var(--header-bg); border-bottom: 1px solid var(--header-line); }
.header-inner { display: flex; align-items: center; gap: 20px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--header-ink); }
.brand:hover { color: var(--header-ink); text-decoration: none; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.logo-mark { width: 44px; height: 44px; flex: none; }
.wordmark { font-family: var(--font-display); font-weight: 800; font-size: 22px; letter-spacing: -0.04em; line-height: 1; }
.wordmark-tld { color: var(--accent); }
.cat-eyes { transform-box: fill-box; transform-origin: center; animation: cat-blink 7s ease-in-out infinite; }
@keyframes cat-blink { 0%, 93%, 100% { transform: scaleY(1); } 96% { transform: scaleY(0.1); } }
.nav { display: flex; align-items: center; gap: 18px; margin-left: auto; font-size: 14px; }
.nav a { color: var(--header-ink); opacity: 0.82; }
.nav a:hover, .nav a.active { color: var(--header-ink); opacity: 1; text-decoration: underline; text-underline-offset: 4px; }
.nav .nav-new { display: inline-flex; align-items: center; gap: 5px; min-height: 34px; padding: 6px 12px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 700; opacity: 1; text-decoration: none; box-shadow: 0 2px 0 color-mix(in srgb, var(--accent) 60%, #000); }
.nav .nav-new:hover { color: var(--accent-ink); opacity: 1; text-decoration: none; background: var(--accent-2); }
.nav-new-plus { font-size: 17px; line-height: 1; font-weight: 500; }
.custom-amount[hidden] { display: none; }

.link-list { display: grid; gap: 10px; }
.link-row { display: flex; align-items: center; gap: 18px; padding: 18px 20px; background: var(--panel); border: 1px solid var(--line); border-left: 3px solid transparent; border-radius: var(--radius); box-shadow: var(--shadow); color: var(--ink); }
.link-row:hover { border-left-color: var(--accent); }
.link-main { display: flex; flex-direction: column; gap: 3px; min-width: 0; flex: 1 1 auto; }
.link-title { font-family: var(--font-display); font-size: 19px; font-weight: 600; color: var(--ink); }
.link-title:hover { color: var(--accent); text-decoration: none; }
.link-desc { margin: 0; color: var(--muted); font-size: 14px; max-width: 600px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.link-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; margin-top: 4px; color: var(--muted); font-size: 12px; }
.chip { display: inline-block; padding: 2px 8px; border: 1px solid var(--line); border-radius: 999px; background: var(--panel-alt); color: var(--muted); font-size: 11px; }
.link-action { flex: none; }
.link-row.is-suspended { opacity: 0.65; }
.empty { padding: 28px 20px; background: var(--panel); border: 1px dashed var(--line-strong); border-radius: var(--radius); color: var(--muted); }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); margin-bottom: 16px; }
.card h2 { margin-bottom: 12px; }
.form { display: grid; gap: 14px; }
.field { display: grid; gap: 5px; font-size: 13px; font-weight: 600; color: var(--ink-soft); }
.field em { font-style: normal; font-weight: 400; color: var(--muted); }
.field small { font-weight: 400; color: var(--muted); font-size: 12px; line-height: 1.4; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.input, .textarea, .select {
  width: 100%; min-height: 40px; padding: 9px 11px;
  border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  background: var(--input-bg); color: var(--input-ink); font: inherit; font-size: 14px;
}
.textarea { resize: vertical; min-height: 70px; }
.input:focus, .textarea:focus, .select:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent); }
.check { display: flex; align-items: flex-start; gap: 9px; font-size: 13px; color: var(--ink-soft); }
.check input { margin-top: 3px; width: 17px; height: 17px; accent-color: var(--accent); }
.copy-row { display: flex; gap: 8px; }
.copy-row .input { flex: 1; min-width: 0; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; padding: 9px 15px; border: 1px solid transparent; border-radius: var(--radius-sm); font: inherit; font-size: 14px; font-weight: 600; text-decoration: none; cursor: pointer; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent-2); color: var(--accent-ink); }
.btn-secondary { background: var(--button-alt-bg); color: var(--button-alt-ink); border-color: var(--line-strong); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost { background: transparent; color: var(--link); }
.btn-ghost:hover { color: var(--accent); text-decoration: underline; }
.small-btn { min-height: 30px; padding: 4px 9px; font-size: 12px; }
.inline { display: flex; gap: 6px; align-items: center; }
.input.small { min-height: 30px; padding: 3px 6px; font-size: 12px; }

.amounts { display: grid; grid-template-columns: repeat(auto-fit, minmax(88px, 1fr)); gap: 8px; }
.amount-option { position: relative; display: block; }
.amount-option input { position: absolute; opacity: 0; pointer-events: none; }
.amount-option span { display: grid; place-items: center; min-height: 46px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); font-size: 15px; font-weight: 600; cursor: pointer; background: var(--input-bg); }
.amount-option input:checked + span { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.amount-option input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.gas-line { margin: 2px 0 0; color: var(--muted); font-size: 12px; }
.free-note { margin: 0; padding: 8px 10px; background: var(--ok-bg); border: 1px solid color-mix(in srgb, var(--ok) 30%, var(--line)); border-radius: var(--radius-sm); color: var(--ok); font-size: 12px; }
.markdown p { margin: 0 0 8px; }
.markdown p:last-child { margin-bottom: 0; }
.markdown img { display: block; max-width: 100%; height: auto; margin: 8px 0; border: 1px solid var(--line); border-radius: var(--radius-sm); }
.markdown strong { font-weight: 700; }
.markdown em { font-style: italic; }
.markdown code { background: var(--panel-alt); border: 1px solid var(--line); border-radius: 4px; padding: 0 3px; }
.fee-details { border-top: 1px solid var(--line); padding-top: 10px; margin-top: 4px; }
.fee-details summary { color: var(--muted); font-size: 12px; cursor: pointer; }
.fee-row { display: flex; justify-content: space-between; gap: 12px; padding: 4px 0; font-size: 12px; }
.fee-row span:first-child { color: var(--muted); }

.test-note { margin: 0 0 14px; color: var(--muted); font-size: 12px; }
.alert { border-radius: var(--radius-sm); padding: 10px 12px; font-size: 13px; border: 1px solid; margin-bottom: 14px; }
.alert-error { background: var(--danger-bg); border-color: color-mix(in srgb, var(--danger) 35%, var(--line)); color: var(--danger); }
.alert-warn { background: var(--warn-bg); border-color: color-mix(in srgb, var(--warn) 35%, var(--line)); color: var(--warn); }
.alert-ok { background: var(--ok-bg); border-color: color-mix(in srgb, var(--ok) 35%, var(--line)); color: var(--ok); }

.drop-wrap { width: min(680px, calc(100% - 32px)); margin: 0 auto; }
.drop-title-block { margin-bottom: 14px; }
.drop-wrap h1 { margin-bottom: 8px; font-size: 34px; }
.drop-desc { color: var(--ink-soft); font-size: 16px; margin-bottom: 8px; max-width: 65ch; }
.unlock-card { border-top: 3px solid var(--accent); }
.free-card { background: var(--panel-alt); box-shadow: none; }
.free-card h2 { font-size: 17px; }
.btn-large { width: 100%; min-height: 50px; font-size: 16px; }
.gas-summary { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 2px 0 4px; }
.gas-summary > div { padding: 10px 12px; background: var(--panel-alt); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.gas-summary span { display: block; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; }
.gas-summary strong { display: block; font-family: var(--font-display); font-size: 23px; line-height: 1.2; }
.gas-summary small { display: block; color: var(--muted); font-size: 11px; }
.report-link { margin-top: 18px; font-size: 13px; }
.report-link a { color: var(--muted); }
.report-link a:hover { color: var(--danger); }

.pay-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--line); padding-bottom: 12px; }
.pay-head strong { font-family: var(--font-display); font-size: 30px; }
.status-line { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; }
.pay-grid { display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: start; }
.qr { width: 180px; padding: 8px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); }
.qr svg { display: block; width: 100%; height: auto; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px; }
.stat span { display: block; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; }
.stat strong { font-family: var(--font-display); font-size: 20px; }

.table-wrap { overflow-x: auto; max-width: 100%; }
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th { text-align: left; border-bottom: 1px solid var(--line-strong); padding: 8px 7px; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.table td { border-bottom: 1px solid var(--line); padding: 9px 7px; vertical-align: top; }
.table tr:last-child td { border-bottom: 0; }
.table details pre { margin: 6px 0 0; background: var(--bg-alt); }

.badge { display: inline-block; border-radius: 999px; padding: 2px 7px; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.badge-warm { background: var(--warn-bg); color: var(--warn); }
.badge-green { background: var(--ok-bg); color: var(--ok); }
.badge-neutral { background: var(--panel-alt); color: var(--ink-soft); }
.badge-red { background: var(--danger-bg); color: var(--danger); }

.api-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr); gap: 18px; align-items: start; }
.api-grid > * { min-width: 0; }
.api-grid pre { white-space: pre-wrap; overflow-wrap: anywhere; }
.steps { margin: 0 0 12px; padding-left: 18px; color: var(--ink-soft); font-size: 14px; }
.steps li { margin-bottom: 5px; }
.outbox { border-top: 1px solid var(--line); padding: 9px 0; }
.outbox summary { cursor: pointer; font-size: 13px; }
.prose h2 { margin: 18px 0 6px; font-size: 17px; }
.prose h2:first-child { margin-top: 0; }
.prose p { color: var(--ink-soft); font-size: 14px; }

.footer { border-top: 1px solid var(--line); margin-top: 24px; padding: 18px 0 24px; color: var(--muted); font-size: 12px; }
.footer-inner { display: flex; justify-content: space-between; gap: 14px; align-items: center; }
.footer-brand { display: inline-flex; align-items: center; gap: 8px; }
.footer-brand .logo-mark { width: 22px; height: 22px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; }

.state { padding: 24px 0 8px; text-align: center; }
.state .state-mark .logo-mark { display: block; width: 96px; height: 96px; margin: 0 auto; }
.state-code { margin: 14px 0 6px; color: var(--accent); font-size: 14px; letter-spacing: 0.14em; }
.state h1 { margin-bottom: 8px; }
.state .btn { margin-top: 18px; }
.footer-links a { color: var(--muted); }

@media (max-width: 820px) {
  .landing-hero { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .hero-mark { order: -1; justify-self: start; width: 112px; }
  .page-bar { align-items: flex-start; flex-direction: column; }
  .api-grid, .pay-grid, .field-row { grid-template-columns: minmax(0, 1fr); }
  .pay-grid .qr { display: none; }
  .link-desc { max-width: 100%; white-space: normal; }
  .link-row { align-items: flex-start; }
  .link-action { margin-left: auto; }
}
@media (max-width: 600px) {
  .header-inner { flex-wrap: wrap; gap: 6px 12px; padding: 8px 0; }
  .logo-mark { width: 34px; height: 34px; }
  .wordmark { font-size: 20px; }
  .landing { padding: 36px 0 48px; }
  .landing h1 { font-size: 34px; }
  .landing .lede { font-size: 16px; }
  .landing-steps { grid-template-columns: 1fr; }
  .nav { order: 3; width: 100%; margin-left: 0; gap: 14px; }
      .nav .nav-new { margin-left: auto; }
  h1 { font-size: 25px; }
  .page { padding: 26px 0 50px; }
  .amounts { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: 1fr 1fr; }
  .copy-row { flex-wrap: wrap; }
  .copy-row .btn { flex: 1 1 auto; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .card { padding: 16px; }
  .link-row { flex-direction: column; align-items: stretch; gap: 10px; padding: 16px; }
  .link-action { width: 100%; }
  .page-bar .btn { width: 100%; }
  .gas-summary { grid-template-columns: 1fr 1fr; }
  .gas-summary strong { font-size: 20px; }
  .drop-wrap h1 { font-size: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  .cat-eyes { animation: none; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}