/* btc.glass UI system (2026-10 redesign). Black ground, white type, pill buttons; one accent for wallet + publish. */
:root {
  color-scheme: dark;
  --bg: #000; --s1: #0e0e0e; --s2: #161616; --s3: #1f1f1f; --line: #262626; --line2: #333;
  --t: #fff; --m: #8c8c8c; --d: #5c5c5c;
  --acc: #f7931a; --acc-h: #ffa53d; --ok: #2fd27a; --ok-bg: #0f2a1b; --bad: #ff6a5f; --bad-bg: #2d1210; --warn: #ffb547; --warn-bg: #2b2008;
  --f: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --r: 14px;
}
* { box-sizing: border-box; }
/* No rubber-band overscroll (Safari/iOS pulled the sticky bar and fixed bars away from the edges); the root paints the page colour. */
html { scroll-padding-top: 96px; -webkit-text-size-adjust: 100%; background: var(--bg); overscroll-behavior: none; }
html:has(body.home) { background: #0b0b10; }
body { min-height: 100vh; display: flex; flex-direction: column; margin: 0; background: var(--bg); color: var(--t); font: 400 15px/1.55 var(--f); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--acc); outline-offset: 3px; }
[hidden] { display: none !important; }
.muted { color: var(--m); }
.mono { font-family: var(--mono); }
.small { font-size: 13px; }

/* Top bar */
.ui-top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 40; display: flex; align-items: center; gap: 28px; height: 64px; padding: 0 24px; background: #0b0b10; backdrop-filter: none; -webkit-backdrop-filter: none; border-bottom: 1px solid var(--line); }
.ui-logo { display: inline-flex; align-items: center; gap: 9px; font: 700 19px var(--f); letter-spacing: -.01em; }
.ui-logo img { width: 22px; height: 22px; }
.ui-nav { display: flex; gap: 22px; }
.ui-nav a { color: var(--m); font-size: 14.5px; font-weight: 500; }
.ui-nav a:hover, .ui-nav a[aria-current] { color: var(--t); }
.ui-top-end { margin-left: auto; display: flex; align-items: center; gap: 10px; }

/* Buttons: white, outline, accent */
.b { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 44px; padding: 0 22px; border-radius: 999px; border: 1px solid var(--t); background: transparent; color: var(--t); font-weight: 600; font-size: 15px; cursor: pointer; white-space: nowrap; transition: background .15s, color .15s, opacity .15s; }
.b:hover { background: var(--s3); }
.b.w { background: var(--t); color: #000; }
.b.w:hover { background: #e6e6e6; }
.b.a { background: var(--acc); border-color: var(--acc); color: #000; }
.b.a:hover { background: var(--acc-h); border-color: var(--acc-h); }
.b.sm { height: 36px; padding: 0 16px; font-size: 14px; }
.b.lg { height: 52px; font-size: 16px; }
.b.full { width: 100%; }
.b[disabled] { opacity: .45; cursor: not-allowed; }
.b.busy { opacity: .7; cursor: progress; }
.link { background: none; border: 0; padding: 0; color: var(--m); font-size: 14px; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.link:hover { color: var(--t); }
.chip { display: inline-flex; align-items: center; gap: 8px; height: 36px; padding: 0 14px; border-radius: 999px; background: var(--s2); border: 1px solid var(--line); font: 500 13px var(--mono); cursor: pointer; }
.chip i { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }

/* Segmented control */
.seg { display: inline-flex; gap: 4px; padding: 4px; background: var(--s2); border-radius: 12px; max-width: 100%; overflow-x: auto; }
.seg button { border: 0; background: transparent; color: var(--m); padding: 7px 14px; border-radius: 9px; font-size: 14px; font-weight: 500; cursor: pointer; white-space: nowrap; }
.seg button[aria-pressed="true"] { background: var(--s3); color: var(--t); }

/* Cards and form fields */
.card { background: var(--s1); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; }
.card h3 { margin: 0 0 12px; font-size: 15px; font-weight: 600; }
.field { display: grid; gap: 6px; margin-bottom: 12px; }
.field:last-child { margin-bottom: 0; }
.field > span, .field > label { color: var(--m); font-size: 13px; }
.in, .field input, .field textarea, .field select { width: 100%; min-height: 44px; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--s2); color: var(--t); font-size: 15px; }
.field textarea { min-height: 72px; resize: vertical; }
.in:focus, .field input:focus, .field textarea:focus, .field select:focus { border-color: var(--line2); outline: none; box-shadow: 0 0 0 3px rgba(255,255,255,.06); }
.in:focus-visible, .field input:focus-visible, .field textarea:focus-visible, .field select:focus-visible { outline: 2px solid var(--acc); outline-offset: 2px; }
.field input[type="color"] { padding: 4px; height: 44px; }
.hint { color: var(--m); font-size: 13px; }
.note { padding: 10px 12px; border-radius: 10px; background: var(--warn-bg); color: var(--warn); font-size: 14px; }
.note.bad { background: var(--bad-bg); color: var(--bad); }
.note.ok { background: var(--ok-bg); color: var(--ok); }

/* Thumbnails of inscriptions */
.thumbs { display: flex; flex-wrap: wrap; gap: 8px; }
.thumb { position: relative; width: 56px; height: 56px; border-radius: 10px; overflow: hidden; background: var(--s3); border: 1px solid var(--line); }
.thumb img { width: 100%; height: 100%; object-fit: cover; image-rendering: pixelated; }
.thumb button { position: absolute; top: 2px; right: 2px; width: 18px; height: 18px; border-radius: 50%; border: 0; background: rgba(0,0,0,.7); color: #fff; font-size: 11px; line-height: 18px; cursor: pointer; }
.thumb.add { display: grid; place-items: center; color: var(--m); font-size: 22px; cursor: pointer; }

/* Side panel (drawer) */
.drawer-bg { position: fixed; inset: 0; z-index: 60; background: rgba(0,0,0,.6); }
.drawer { position: fixed; z-index: 61; top: 0; right: 0; bottom: 0; width: min(440px, 100vw); background: var(--s1); border-left: 1px solid var(--line); padding: calc(20px + env(safe-area-inset-top, 0px)) 22px calc(22px + env(safe-area-inset-bottom, 0px)); overflow-y: auto; display: grid; align-content: start; gap: 18px; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; }
.drawer-head .eyebrow { font: 600 12px var(--mono); color: var(--m); text-transform: uppercase; letter-spacing: .08em; }
.drawer-close { border: 0; background: var(--s3); color: var(--t); width: 44px; height: 44px; border-radius: 50%; cursor: pointer; font-size: 16px; }
.sum { display: flex; gap: 14px; align-items: center; }
.sum-thumb { width: 64px; height: 80px; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); background: var(--s3); flex: none; }
.sum-thumb iframe { width: 320px; height: 400px; transform: scale(.2); transform-origin: 0 0; border: 0; pointer-events: none; }
.sum h3 { margin: 0; font-size: 17px; overflow-wrap: anywhere; }
.total { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding-top: 14px; border-top: 1px solid var(--line); }
.total b { font: 700 24px var(--f); font-variant-numeric: tabular-nums; }
.breakdown { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; margin: 0; font-size: 13.5px; font-variant-numeric: tabular-nums; }
.breakdown dt { color: var(--m); }
.breakdown dd { margin: 0; text-align: right; }

/* Progress list (status, not user steps) */
.prog { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.prog li { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 12px; font-size: 14.5px; }
.prog li > i { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--d); margin-top: 2px; }
.prog li.done > i { background: var(--ok); border-color: var(--ok); }
.prog li.now > i { border-color: var(--acc); box-shadow: 0 0 0 4px rgba(247,147,26,.15); animation: ui-pulse 1.6s ease-in-out infinite; }
.prog li.fail > i { border-color: var(--bad); background: var(--bad); }
.prog li small { display: block; color: var(--m); font-size: 13px; overflow-wrap: anywhere; }
@keyframes ui-pulse { 50% { box-shadow: 0 0 0 8px rgba(247,147,26,.05); } }

/* Footer */
.ui-foot { margin-top: auto; border-top: 1px solid var(--line); padding: 28px 24px 40px; color: var(--m); font-size: 13px; display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; }
.ui-foot nav { display: flex; gap: 16px 20px; flex-wrap: wrap; }
.ui-foot a:hover { color: var(--t); }

@media (max-width: 760px) {
  .ui-top { gap: 14px; padding: 0 16px; }
  .ui-top { flex-wrap: wrap; height: auto; padding-top: 10px; row-gap: 6px; }
  .ui-nav { order: 3; flex-basis: 100%; width: 100%; gap: 4px; overflow-x: auto; padding-bottom: 8px; scrollbar-width: none; }
  .ui-nav a { font-size: 14px; white-space: nowrap; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }
.copyrow { display: flex; gap: 8px; align-items: center; }
.copyrow .in, .copyrow p { flex: 1; min-width: 0; }
.d-qr summary { cursor: pointer; }
.d-qr-body { display: grid; grid-template-columns: 140px minmax(0, 1fr); gap: 14px; margin-top: 12px; align-items: start; }
.d-qr-code { background: #fff; border-radius: 10px; padding: 6px; }
.d-qr-code svg { display: block; width: 100%; height: auto; }
.d-qr-fields { display: grid; gap: 6px; }
.d-qr-fields .in { min-height: 38px; font-size: 13px; }
@media (max-width: 420px) { .d-qr-body { grid-template-columns: minmax(0, 1fr); } .d-qr-code { max-width: 200px; } }
.d-intro { margin: 0; padding: 12px 14px; border-radius: 10px; background: var(--s2); color: var(--t); font-size: 14px; }
.d-link a { color: var(--t); text-decoration: underline; text-underline-offset: 3px; overflow-wrap: anywhere; }
.thumb.missing { display: grid; place-items: center; }
.thumb.missing::before { content: "?"; color: var(--m); font-size: 18px; }

@font-face { font-family: "Bricolage Grotesque"; src: url('/fonts/BricolageGrotesque-300-800-normal.woff2') format('woff2'); font-weight: 300 800; font-display: swap; }
:root { --display: "Bricolage Grotesque", var(--f); }
main { flex: 1; width: 100%; } /* a centred max-width main inside a column flexbox would otherwise shrink to its content */
h1, h2, h3 { font-family: var(--display); letter-spacing: -.03em; }
.ui-top nav a, .ui-top .b { min-height: 44px; display: inline-flex; align-items: center; gap: 4px; }
.ui-top .beta, .ui-foot .beta { font: 500 10px/1 var(--f); padding: 3px 4px; border-radius: 4px; color: var(--warn); background: var(--warn-bg); }
.sum-thumb { position: relative; width: 96px; height: 60px; aspect-ratio: 16 / 10; }
.sum-thumb::before { content: "Preview"; position: absolute; inset: 0; display: grid; place-items: center; color: var(--m); font-size: 12px; }
.sum-thumb iframe { position: relative; width: 480px; height: 300px; min-height: 300px; }
.sum-thumb iframe:not([srcdoc]), .sum-thumb iframe[srcdoc=""] { visibility: hidden; }
.status-link { display: flex; align-items: center; gap: 12px; }
.status-link .d-link { flex: 1; min-width: 0; }
.status-link a { display: block; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 760px) { html { scroll-padding-top: 132px; } .ui-top nav a { padding: 10px 8px; font-size: 13px; } .ui-top { gap: 8px; } }
@media (max-width: 700px) { .status-link { flex-direction: column; align-items: stretch; } .status-link .b { width: 100%; } }

/* Language menu (top right) */
.ui-lang { position: relative; }
.ui-lang summary { list-style: none; display: inline-flex; align-items: center; gap: 6px; height: 36px; padding: 0 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--m); font-size: 13px; font-weight: 600; cursor: pointer; user-select: none; }
.ui-lang summary::-webkit-details-marker { display: none; }
.ui-lang summary:hover, .ui-lang[open] summary { color: var(--t); border-color: var(--line2); }
.ui-lang-menu { position: absolute; right: 0; top: calc(100% + 8px); z-index: 60; display: grid; min-width: 168px; padding: 6px; background: var(--s2); border: 1px solid var(--line2); border-radius: 12px; box-shadow: 0 18px 40px -12px #000; }
.ui-top .ui-lang-menu a { min-height: 40px; padding: 0 12px; border-radius: 8px; color: var(--t); font-size: 14px; }
.ui-lang-menu a:hover { background: var(--s3); }
.ui-lang-menu a[aria-current]::after { content: ""; width: 7px; height: 7px; margin-left: auto; border-radius: 50%; background: var(--acc); }