/* The x402 hub (web/x402/): only what the site's styles.css does not already have. Same tokens, same rules:
   ruled lines, no pills, no glow; grids on minmax(0, 1fr) so nothing pushes a phone sideways. */

/* the hub's own sections, under the page heading */
.hubnav { display: flex; gap: 22px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--rule); padding: 0; overflow-x: auto; scrollbar-width: none; }
.hubnav::-webkit-scrollbar { display: none; }
.hubnav a { flex: none; padding: 12px 0 11px; font-size: 15px; color: var(--muted); border-bottom: 1px solid transparent; margin-bottom: -1px; }
.hubnav a:hover { color: var(--ink); }
.hubnav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--ink); }

/* role cards: the landing's .ways, with the card's link as its last line */
.hub-ways { border-top: 0; }
.hub-ways .way { display: flex; flex-direction: column; }
.hub-ways .way p { flex: 1; }
.hub-ways .way .btn { align-self: flex-start; }

/* what is live and what is next */
.shiplist { display: grid; grid-template-columns: minmax(0, 1fr); }
.ship { display: grid; grid-template-columns: 96px minmax(0, 220px) minmax(0, 1fr); gap: 18px; padding: 14px 0; border-bottom: 1px solid var(--rule-2); align-items: baseline; font-size: 15px; }
.ship:last-child { border-bottom: 0; }
.ship b { font: 500 18px/1.3 var(--serif); color: var(--ink); }
.ship .d { color: var(--ink-2); }
.ship code { font-size: 13px; }

/* forms: a label over every field, a counter beside it */
.fields { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px 24px; padding: 16px 0 6px; }
.field { display: grid; grid-template-columns: minmax(0, 1fr); gap: 6px; min-width: 0; }
.field.wide { grid-column: 1 / -1; }
.field label { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; color: var(--ink-2); }
.field label .cnt { color: var(--muted); font-variant-numeric: tabular-nums; }
.field label .cnt.over { color: var(--red); }
.field input, .field textarea { width: 100%; min-width: 0; }
.field textarea { resize: vertical; min-height: 84px; line-height: 1.5; }
.field .hint { font-size: 13px; color: var(--muted); }
.field .err { font-size: 13px; color: var(--red); min-height: 0; }
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: var(--red); }
.regsteps { display: grid; grid-template-columns: minmax(0, 1fr); }
.regstep { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 14px; padding: 18px 0; border-bottom: 1px solid var(--rule-2); align-items: start; }
.regstep:last-child { border-bottom: 0; }
.regstep > .n { width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid var(--ink); font: italic 400 18px/1 var(--serif); color: var(--ink); }
.regstep.done > .n { background: var(--green); border-color: var(--green); color: var(--paper); font-style: normal; font-size: 0; }
.regstep.done > .n::after { content: "✓"; font: 500 15px var(--sans); }
.regstep > div { min-width: 0; }
.regstep h3 { font: 500 19px/1.3 var(--serif); margin-bottom: 4px; }
.regstep p { font-size: 14px; color: var(--muted); max-width: 44em; }
.regstep .row { margin-top: 12px; }
.payto { font: 13px var(--mono); color: var(--ink-2); overflow-wrap: anywhere; }

/* the key, shown once */
.keybox { margin-top: 14px; border: 1px solid var(--ink); background: var(--paper-2); }
.keybox .warn { padding: 12px 14px; border-bottom: 1px solid var(--rule); font-size: 14px; color: var(--red); }
.keybox .warn b { font-weight: 600; }
.keybox code { display: block; padding: 14px; font: 13px/1.5 var(--mono); color: var(--ink); overflow-wrap: anywhere; user-select: all; }
.keybox .row { padding: 0 14px 12px; margin: 0; }

/* code, with tabs and a copy button */
.codetabs { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; padding: 12px 0; border-bottom: 1px solid var(--rule-2); }
.codetabs [role=tab] { font: 500 14px var(--sans); padding: 4px 0; background: none; border: 0; border-bottom: 1px solid transparent; color: var(--muted); cursor: pointer; }
.codetabs [role=tab]:hover { color: var(--ink); }
.codetabs [role=tab].on { color: var(--ink); border-bottom-color: var(--ink); }
.snip { position: relative; margin-top: 14px; min-width: 0; }
.snip pre { padding-top: 44px; font-size: 12.5px; line-height: 1.7; }
.snip .copy { position: absolute; top: 8px; right: 8px; padding: 6px 12px; font-size: 13px; background: var(--paper); }
.snip .copy:hover { background: var(--ink); color: var(--paper); }
.snip .cap { position: absolute; top: 12px; left: 20px; font-size: 13px; color: var(--muted); }
.note { margin-top: 12px; font-size: 14px; color: var(--muted); max-width: 52em; }
.note b { color: var(--ink-2); font-weight: 500; }
.note a, .prose a { color: var(--green); }

/* tables and lists read from the facilitator */
.feedmeta { display: flex; flex-wrap: wrap; gap: 6px 18px; padding: 10px 0; font-size: 13px; color: var(--muted); border-bottom: 1px solid var(--rule-2); }
.empty { padding: 26px 0; color: var(--muted); font-size: 15px; }
.empty b { display: block; font: 400 22px/1.3 var(--serif); color: var(--ink); margin-bottom: 4px; }
.empty.bad b { color: var(--red); }
table.feed { min-width: 640px; }
table.feed td.when { color: var(--muted); }
table.feed td.amt { font-weight: 500; }
.merchs { display: grid; grid-template-columns: minmax(0, 1fr); }
.merch { display: grid; grid-template-columns: minmax(0, 1fr) 130px 130px; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--rule-2); align-items: start; }
.merch:last-child { border-bottom: 0; }
.merch > div { min-width: 0; }
.merch .nm { font: 500 20px/1.25 var(--serif); color: var(--ink); overflow-wrap: anywhere; }
.merch .u { display: inline-block; margin-top: 2px; font-size: 14px; color: var(--green); overflow-wrap: anywhere; text-decoration: underline; text-underline-offset: 3px; }
.merch .ds { margin-top: 6px; font-size: 15px; color: var(--ink-2); overflow-wrap: anywhere; max-width: 46em; }
.merch .pt { margin-top: 6px; font-size: 12.5px; color: var(--muted); }
.merch .fig { text-align: right; }
.merch .fig b { display: block; font: 400 24px/1.1 var(--serif); font-variant-numeric: lining-nums tabular-nums; }
.merch .fig span { font-size: 13px; color: var(--muted); }
.hubhead-note { font-size: 14px; color: var(--muted); }

/* the flow diagram reuses the landing's .howto/.diagram; this one is taller */
.hub-flow .diagram .lb.o { fill: var(--brass); stroke: none; }
.hub-flow .diagram .o { stroke: var(--brass); }

@media (max-width: 900px) {
  .fields { grid-template-columns: minmax(0, 1fr); }
  .ship { grid-template-columns: 84px minmax(0, 1fr); }
  .ship .d { grid-column: 2; }
  .merch { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .merch > div:first-child { grid-column: 1 / -1; }
  .merch .fig { text-align: left; }
}


/* the overview's picture: one payment, as a voxel diorama (courier3d.js) */
.x-stage { margin: 4px 0 28px; display: flex; flex-direction: column; }
.x-stage canvas { width: 100%; height: clamp(230px, 38vw, 500px); display: block; cursor: grab; touch-action: pan-y; }
.x-stage canvas:active { cursor: grabbing; }
.x-stage figcaption { display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: baseline; justify-content: space-between; border-top: 1px solid var(--ink); padding-top: 12px; font: italic 400 16px/1.4 var(--serif); color: var(--muted); }
.x-stage figcaption b { font: normal 500 14px/1.4 var(--sans); color: var(--green); min-width: 0; }
.x-stage[hidden] { display: none; }