/* bd-bank-routing — a dataset that has to look like it can be trusted.
   Dark by default (the audience reads this next to a terminal), light when the
   system asks. Every colour is a token so the two themes cannot drift. */

:root {
  color-scheme: dark;

  --bg:          #0f172a;
  --bg-grid:     #17203a;
  --surface:     #16203a;
  --surface-2:   #1c2742;
  --surface-3:   #24314f;
  --border:      #2b3a5c;
  --border-soft: #223050;
  --border-input: #606b85;

  --fg:          #f8fafc;
  --fg-muted:    #9aabc7;
  --fg-faint:    #7f8faa;

  --accent:      #22c55e;
  --accent-fg:   #04240f;
  --accent-dim:  #14532d;
  --info:        #60a5fa;
  --warn:        #fbbf24;
  --danger:      #f87171;

  --ring:        #22c55e;

  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;

  --shadow-1: 0 1px 2px rgb(0 0 0 / 0.3);
  --shadow-2: 0 8px 24px -8px rgb(0 0 0 / 0.5);

  --wrap: 1120px;
  --step: 300ms;
}

/* Light lives in two places on purpose: once for the system preference, once for
   an explicit choice. The token values are identical — only the selector that
   wins differs, so a reader who picks a theme keeps it and everyone else
   follows their OS. */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;

    --bg:          #fbfcfe;
    --bg-grid:     #eef2f8;
    --surface:     #ffffff;
    --surface-2:   #f4f7fb;
    --surface-3:   #e8eef7;
    --border:      #cbd7e6;
    --border-soft: #dfe7f1;
    --border-input: #8b939d;

    --fg:          #0d1626;
    --fg-muted:    #4a5b75;
    --fg-faint:    #62728a;

    --accent:      #15803d;
    --accent-fg:   #ffffff;
    --accent-dim:  #bbf7d0;
    --info:        #1d4ed8;
    --warn:        #a16207;
    --danger:      #b91c1c;

    --ring:        #15803d;

    --shadow-1: 0 1px 2px rgb(15 23 42 / 0.06);
    --shadow-2: 0 10px 30px -12px rgb(15 23 42 / 0.18);
  }
}

:root[data-theme="light"] {
    color-scheme: light;

    --bg:          #fbfcfe;
    --bg-grid:     #eef2f8;
    --surface:     #ffffff;
    --surface-2:   #f4f7fb;
    --surface-3:   #e8eef7;
    --border:      #cbd7e6;
    --border-soft: #dfe7f1;
    --border-input: #8b939d;

    --fg:          #0d1626;
    --fg-muted:    #4a5b75;
    --fg-faint:    #62728a;

    --accent:      #15803d;
    --accent-fg:   #ffffff;
    --accent-dim:  #bbf7d0;
    --info:        #1d4ed8;
    --warn:        #a16207;
    --danger:      #b91c1c;

    --ring:        #15803d;

    --shadow-1: 0 1px 2px rgb(15 23 42 / 0.06);
    --shadow-2: 0 10px 30px -12px rgb(15 23 42 / 0.18);
}

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

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

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--fg);
  font: 400 16px/1.65 var(--sans);
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- primitives ---------------------------------------------------- */

.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }

h1, h2, h3, h4 { font-family: var(--mono); font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; margin: 0; }

a { color: inherit; }
a:not(.plain) { text-decoration-color: color-mix(in srgb, currentColor 40%, transparent); text-underline-offset: 3px; }
a:not(.plain):hover { text-decoration-color: currentColor; }

:where(a, button, input, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

code, kbd, .mono, .num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.skip {
  position: absolute; left: 0; top: 0; z-index: 100;
  transform: translateY(-120%);
  background: var(--accent); color: var(--accent-fg);
  padding: 0.75rem 1.25rem; font-weight: 600;
  transition: transform var(--step) ease-out;
}
.skip:focus { transform: translateY(0); }

.eyebrow {
  font: 600 12px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

/* ---------- header -------------------------------------------------------- */

.site-head {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
}
.site-head .wrap { display: flex; align-items: center; gap: 1.5rem; min-height: 60px; }

.wordmark {
  display: inline-flex; align-items: center; gap: 0.55rem;
  min-height: 44px;
  font: 600 15px/1 var(--mono); letter-spacing: -0.03em;
  text-decoration: none; white-space: nowrap;
}
.wordmark .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); flex: none; }

.site-nav { margin-inline-start: auto; display: flex; align-items: center; gap: 0.25rem; }
.site-nav a {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 0.75rem;
  font-size: 14px; color: var(--fg-muted); text-decoration: none; border-radius: var(--r-sm);
  transition: color var(--step), background var(--step);
}
.site-nav a:hover { color: var(--fg); background: var(--surface-2); }
.site-nav .gh, .site-nav .theme { width: 44px; justify-content: center; padding: 0; }
.site-nav .theme {
  background: none; border: 0; color: var(--fg-muted); cursor: pointer;
  min-height: 44px; border-radius: var(--r-sm);
  transition: color var(--step), background var(--step);
}
.site-nav .theme:hover { color: var(--fg); background: var(--surface-2); }
.site-nav .theme .moon { display: none; }
:root[data-theme="dark"] .site-nav .theme .moon,
:root:not([data-theme="light"]) .site-nav .theme .moon { display: block; }
:root[data-theme="dark"] .site-nav .theme .sun,
:root:not([data-theme="light"]) .site-nav .theme .sun { display: none; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .site-nav .theme .moon { display: none; }
  :root:not([data-theme="dark"]) .site-nav .theme .sun { display: block; }
}
:root[data-theme="light"] .site-nav .theme .moon { display: none; }
:root[data-theme="light"] .site-nav .theme .sun { display: block; }
.site-nav svg { width: 18px; height: 18px; }
@media (max-width: 720px) { .site-nav .hide-sm { display: none; } }
@media (max-width: 600px) {
  .site-head .wrap { gap: 0.5rem; }
  .wordmark { font-size: 13.5px; }
  .site-nav a { padding: 0 0.55rem; }
  .site-nav .hide-xs { display: none; }
}

/* ---------- hero ---------------------------------------------------------- */

.hero {
  padding: clamp(2.5rem, 7vw, 5rem) 0 1.5rem;
  position: relative;
  border-bottom: 1px solid var(--border-soft);
  background: radial-gradient(70ch 40ch at 12% -10%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 70%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(var(--bg-grid) 1px, transparent 1px) 0 0 / 100% 40px;
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 55%);
  mask-image: linear-gradient(to bottom, #000, transparent 55%);
  opacity: 0.7;
}
.hero > .wrap { position: relative; }
.hero h1 {
  font-size: clamp(1.85rem, 4.6vw, 2.85rem);
  max-width: 26ch;
  margin-bottom: 1rem;
}
.hero h1 .hl { color: var(--accent); }
.hero .deck {
  max-width: 62ch; font-size: clamp(1rem, 2.2vw, 1.15rem);
  color: var(--fg-muted); margin: 0 0 1.75rem;
}

.stats { display: flex; flex-wrap: wrap; gap: 0.5rem 2.25rem; padding: 0; margin: 0; list-style: none; }
.stats div { display: flex; flex-direction: column; gap: 0.15rem; }
.stats dt { font: 600 11px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-faint); }
.stats dd { margin: 0; font: 600 1.35rem/1.1 var(--mono); font-variant-numeric: tabular-nums; }

/* ---------- sections ------------------------------------------------------ */

section { padding: clamp(3rem, 7vw, 4.75rem) 0; border-bottom: 1px solid var(--border-soft); }
section > .wrap > header { max-width: 68ch; margin-bottom: 2rem; }
section h2 { font-size: clamp(1.4rem, 3.4vw, 1.85rem); margin: 0.5rem 0 0.6rem; }
section header p { color: var(--fg-muted); margin: 0; }

/* ---------- lookup -------------------------------------------------------- */

.lookup {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-2);
  overflow: hidden;
}
.lookup__form { padding: clamp(1.25rem, 3vw, 1.75rem); display: grid; gap: 1.1rem; }
@media (min-width: 860px) { .lookup__form { grid-template-columns: 1.35fr 1fr; } }

.field { display: flex; flex-direction: column; gap: 0.4rem; min-width: 0; }
.field label { font: 600 13px/1.3 var(--sans); }
.field .help { font-size: 13px; color: var(--fg-faint); margin: 0; }

.field input {
  width: 100%; min-height: 52px;
  padding: 0.7rem 0.9rem;
  font: 500 1.05rem/1.4 var(--mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--border-input);
  border-radius: var(--r-md);
  transition: border-color var(--step), box-shadow var(--step);
}
.field input::placeholder { color: var(--fg-faint); letter-spacing: normal; }
.field input:hover { border-color: var(--fg-faint); }
.field input:focus { outline: none; border-color: var(--ring); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ring) 25%, transparent); }

.examples { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; padding: 0 clamp(1.25rem, 3vw, 1.75rem) 1.4rem; }
.examples .eyebrow { margin-inline-end: 0.25rem; }
.chip {
  min-height: 44px; padding: 0.3rem 0.9rem;
  font: 500 13px/1.4 var(--mono);
  color: var(--fg-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: color var(--step), border-color var(--step), background var(--step);
}
.chip:hover { color: var(--fg); border-color: var(--accent); background: var(--surface-3); }

/* ---------- anatomy ------------------------------------------------------- */

.anatomy { display: flex; gap: 0.4rem; flex-wrap: wrap; padding: 1.1rem clamp(1.25rem, 3vw, 1.75rem); border-top: 1px solid var(--border-soft); background: var(--surface-2); }
.seg { display: flex; flex-direction: column; gap: 0.3rem; min-width: 0; }
.seg b {
  display: block; padding: 0.35rem 0.6rem;
  font: 600 1.3rem/1.2 var(--mono); letter-spacing: 0.08em;
  border-radius: var(--r-sm); border: 1px solid var(--border);
  background: var(--bg); color: var(--fg-faint);
  transition: color var(--step), border-color var(--step);
}
.seg small { font: 500 11px/1.3 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--fg-faint); }
.seg em { font: 400 12px/1.3 var(--sans); font-style: normal; color: var(--fg-muted); }
.seg--on b { color: var(--fg); border-color: var(--seg-c, var(--border)); box-shadow: inset 0 -2px 0 var(--seg-c, transparent); }
.seg--on small { color: var(--seg-c, var(--fg-faint)); }
.seg--bank    { --seg-c: var(--accent); }
.seg--dist    { --seg-c: var(--info); }
.seg--branch  { --seg-c: var(--warn); }
.seg--check   { --seg-c: var(--fg-faint); }

/* ---------- result -------------------------------------------------------- */

.result { border-top: 1px solid var(--border); }
.result:empty { display: none; }
.result__body { padding: clamp(1.25rem, 3vw, 1.75rem); }

.verdict { display: flex; align-items: flex-start; gap: 0.7rem; margin-bottom: 1.1rem; }
.verdict svg { width: 22px; height: 22px; flex: none; margin-top: 2px; }
.verdict strong { display: block; font: 600 1.05rem/1.4 var(--sans); }
.verdict p { margin: 0.15rem 0 0; color: var(--fg-muted); font-size: 14px; }
.verdict--ok    { color: var(--accent); }
.verdict--bad   { color: var(--danger); }
.verdict--unknown { color: var(--warn); }
.verdict strong, .verdict p { color: var(--fg); }
.verdict p { color: var(--fg-muted); }

.problems { margin: 0 0 1.25rem; padding: 0; list-style: none; display: grid; gap: 0.5rem; }
.problems li {
  display: flex; gap: 0.6rem; align-items: flex-start;
  padding: 0.7rem 0.85rem; font-size: 14px;
  background: color-mix(in srgb, var(--danger) 10%, var(--surface-2));
  border: 1px solid color-mix(in srgb, var(--danger) 35%, transparent);
  border-radius: var(--r-md);
}
.problems li svg { width: 16px; height: 16px; flex: none; margin-top: 3px; color: var(--danger); }

.facts { display: grid; gap: 0.9rem 1.75rem; margin: 0; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); }
.facts div { min-width: 0; }
.facts dt { font: 600 11px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-faint); margin-bottom: 0.3rem; }
.facts dd { margin: 0; font-size: 15px; overflow-wrap: anywhere; }
.facts dd.num { font-family: var(--mono); }

.provenance {
  margin-top: 1.25rem; padding: 0.9rem 1rem;
  background: var(--surface-2); border: 1px solid var(--border-soft); border-radius: var(--r-md);
  font-size: 13.5px; color: var(--fg-muted);
}
.provenance a { color: var(--fg); overflow-wrap: anywhere; }

.tag {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.15rem 0.5rem; border-radius: 999px;
  font: 600 11px/1.6 var(--mono); letter-spacing: 0.06em; text-transform: uppercase;
  border: 1px solid currentColor;
}
.tag--ok   { color: var(--accent); }
.tag--no   { color: var(--danger); }
.tag--info { color: var(--info); }
.tag--warn { color: var(--warn); }

/* ---------- name search results ------------------------------------------- */

.hits { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.4rem; }
.hits li > button {
  width: 100%; min-height: 44px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.25rem 0.75rem;
  padding: 0.7rem 0.85rem; text-align: start; cursor: pointer;
  background: var(--surface-2); border: 1px solid var(--border-soft);
  border-radius: var(--r-md); color: inherit; font: inherit;
  transition: border-color var(--step), background var(--step);
}
.hits li > button:hover { border-color: var(--accent); background: var(--surface-3); }
.hits .r { font: 600 14px/1.4 var(--mono); color: var(--accent); font-variant-numeric: tabular-nums; }
.hits .n { font-size: 14px; }
.hits .b { font-size: 13px; color: var(--fg-muted); margin-inline-start: auto; }

/* ---------- catches ------------------------------------------------------- */

.catches { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 252px), 1fr)); }
.catch {
  display: flex; flex-direction: column; gap: 0.55rem;
  padding: 1.15rem 1.25rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md);
}
.catch h3 { font-size: 1rem; }
.catch p { margin: 0; font-size: 14px; color: var(--fg-muted); }
.catch .try {
  margin-top: auto; align-self: flex-start;
  min-height: 44px; padding: 0.4rem 0.9rem;
  font: 500 13px/1.5 var(--mono); cursor: pointer;
  color: var(--fg); background: var(--surface-2);
  border: 1px solid var(--border); border-radius: var(--r-sm);
  transition: border-color var(--step), background var(--step);
}
.catch .try:hover { border-color: var(--accent); background: var(--surface-3); }

/* ---------- banks table --------------------------------------------------- */

.table-tools { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: end; margin-bottom: 1rem; }
.table-tools .field { flex: 1 1 260px; }
.table-tools .field input { min-height: 44px; font-size: 0.95rem; }
.count-note { font-size: 13px; color: var(--fg-faint); padding-bottom: 0.7rem; }

.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
caption { text-align: start; padding: 0.75rem 1rem; color: var(--fg-faint); font-size: 13px; border-bottom: 1px solid var(--border-soft); }
th, td { padding: 0.7rem 0.8rem; text-align: start; white-space: nowrap; border-bottom: 1px solid var(--border-soft); }
thead th { position: sticky; top: 0; background: var(--surface-2); font: 600 12px/1.4 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--fg-muted); z-index: 1; }
thead th button {
  display: inline-flex; align-items: center; gap: 0.35rem;
  min-height: 44px; padding: 0; font: inherit; color: inherit;
  background: none; border: 0; cursor: pointer;
}
thead th button:hover { color: var(--fg); }
thead th .arrow { opacity: 0; }
thead th[aria-sort] .arrow { opacity: 1; color: var(--accent); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr.bank-row { cursor: pointer; transition: background var(--step); }
tbody tr.bank-row:hover { background: var(--surface-2); }
tbody tr.bank-row[aria-expanded="true"] { background: var(--surface-2); }
td.num, th.num { font-family: var(--mono); font-variant-numeric: tabular-nums; text-align: end; }
td.name { white-space: normal; min-width: 22ch; }
.row-toggle { background: none; border: 0; color: inherit; font: inherit; cursor: pointer; padding: 0; min-height: 44px; display: inline-flex; align-items: center; gap: 0.5rem; text-align: start; }
.row-toggle svg { width: 14px; height: 14px; color: var(--fg-faint); transition: transform var(--step); flex: none; }
tr[aria-expanded="true"] .row-toggle svg { transform: rotate(90deg); color: var(--accent); }

tr.branches td { padding: 0; background: var(--bg); }
.branch-panel { padding: 1rem 1.1rem; display: grid; gap: 0.7rem; }
.branch-list { max-height: 340px; overflow-y: auto; display: grid; gap: 1px; background: var(--border-soft); border: 1px solid var(--border-soft); border-radius: var(--r-sm); }
.branch-list div { display: flex; gap: 1rem; padding: 0.4rem 0.7rem; background: var(--surface); font-size: 13px; }
.branch-list .r { font: 500 13px/1.5 var(--mono); color: var(--accent); font-variant-numeric: tabular-nums; flex: none; }
.branch-list .d { margin-inline-start: auto; color: var(--fg-faint); font-size: 12px; flex: none; }
.branch-more { justify-self: start; min-height: 44px; padding: 0.4rem 0.9rem; font: 500 13px var(--mono); cursor: pointer; color: var(--fg); background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-sm); }
.branch-more:hover { border-color: var(--accent); }

/* ---------- provenance section -------------------------------------------- */

.cols { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
.panel { padding: 1.25rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md); }
.panel h3 { font-size: 0.95rem; margin-bottom: 0.6rem; }
.panel p { margin: 0 0 0.75rem; font-size: 14px; color: var(--fg-muted); }
.panel p:last-child { margin-bottom: 0; }
.panel ul { margin: 0; padding-inline-start: 1.1rem; font-size: 14px; color: var(--fg-muted); display: grid; gap: 0.35rem; }

.bar { display: flex; height: 10px; border-radius: 999px; overflow: hidden; background: var(--surface-3); margin: 0.35rem 0 0.6rem; }
.bar span { display: block; }
.bar .first { background: var(--accent); }
.bar .bach  { background: var(--info); }
.legend { display: flex; flex-wrap: wrap; gap: 0.35rem 1.1rem; margin: 0; padding: 0; list-style: none; font-size: 13px; color: var(--fg-muted); }
.legend li { display: flex; align-items: center; gap: 0.4rem; }
.legend i { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.legend .first i { background: var(--accent); }
.legend .bach i { background: var(--info); }

/* ---------- install ------------------------------------------------------- */

pre {
  margin: 0; padding: 1rem 1.1rem; overflow-x: auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md);
  font: 400 13.5px/1.7 var(--mono); color: var(--fg);
}
pre .c { color: var(--fg-faint); }
pre .k { color: var(--info); }
pre .s { color: var(--accent); }

.note {
  margin-top: 1rem; padding: 0.85rem 1rem; font-size: 13.5px; color: var(--fg-muted);
  border-inline-start: 3px solid var(--warn); background: var(--surface-2);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

/* ---------- footer -------------------------------------------------------- */

.site-foot { padding: 2.5rem 0 3.5rem; font-size: 13.5px; color: var(--fg-muted); }
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 0.75rem 2rem; align-items: baseline; }
.site-foot p { margin: 0; }
.site-foot .right { margin-inline-start: auto; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- sub-page hero (generated bank pages) -------------------------- */

.hero--sub { padding: clamp(2rem, 5vw, 3.25rem) 0 1.25rem; }
.hero--sub h1 { font-size: clamp(1.6rem, 4vw, 2.35rem); max-width: 24ch; }
.hero--sub .eyebrow a { color: inherit; }
.hero--sub .stats { margin-top: 1.25rem; }

.cta {
  display: inline-flex; align-items: center; min-height: 44px;
  padding: 0 1.1rem; border-radius: var(--r-md);
  font: 600 14px/1 var(--mono); text-decoration: none;
  color: var(--accent-fg); background: var(--accent);
  transition: filter var(--step);
}
.cta:hover { filter: brightness(1.08); }

.note--warn { border-inline-start-color: var(--danger); }

.bank-links {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 1px; background: var(--border-soft);
  border: 1px solid var(--border-soft); border-radius: var(--r-md); overflow: hidden;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}
.bank-links li { display: flex; align-items: center; gap: 1rem; background: var(--surface); }
.bank-links a {
  flex: 1; min-height: 44px; display: flex; align-items: center;
  padding: 0.5rem 0.85rem; font-size: 14px; text-decoration: none;
  transition: background var(--step), color var(--step);
}
.bank-links a:hover { background: var(--surface-2); color: var(--accent); }
.bank-links .n { padding-inline-end: 0.85rem; font: 500 12px var(--mono); color: var(--fg-faint); }

/* ---------- FAQ ----------------------------------------------------------- */

.faq { display: grid; gap: 0.5rem; max-width: 78ch; }
.qa { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md); overflow: hidden; }
.qa summary {
  display: flex; align-items: center; gap: 0.7rem;
  min-height: 56px; padding: 0.75rem 1.1rem; cursor: pointer;
  list-style: none; transition: background var(--step);
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::before {
  content: ""; flex: none; width: 9px; height: 9px;
  border-inline-end: 2px solid var(--accent); border-block-end: 2px solid var(--accent);
  transform: rotate(-45deg); transition: transform var(--step);
}
.qa[open] summary::before { transform: rotate(45deg); }
.qa summary:hover { background: var(--surface-2); }
.qa summary h3 { font: 600 0.98rem/1.4 var(--sans); margin: 0; }
.qa__body { padding: 0 1.1rem 1.1rem 2.8rem; }
.qa__body p { margin: 0; color: var(--fg-muted); font-size: 14.5px; max-width: 68ch; }

/* ---------- bank hit in search results ------------------------------------ */

.hits li > a.bank-hit {
  width: 100%; min-height: 44px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.25rem 0.75rem;
  padding: 0.7rem 0.85rem; text-decoration: none;
  background: var(--surface-2); border: 1px solid var(--border-soft);
  border-radius: var(--r-md); color: inherit;
  transition: border-color var(--step), background var(--step);
}
.hits li > a.bank-hit:hover { border-color: var(--accent); background: var(--surface-3); }

/* ---------- bank table: name is a link, caret is the expander ------------- */

td.name { display: flex; align-items: center; gap: 0.5rem; }
td.name a { text-decoration: none; }
td.name a:hover { color: var(--accent); text-decoration: underline; }
.row-toggle { width: 28px; justify-content: center; }

/* ---------- footer byline ------------------------------------------------- */

.site-foot .wrap { display: block; }
.site-foot .byline { display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; align-items: baseline; }
.site-foot .built { font-size: 14.5px; color: var(--fg); }
.site-foot .built a { font-weight: 600; color: var(--accent); }
.site-foot .links { display: flex; flex-wrap: wrap; gap: 0.5rem; font-family: var(--mono); font-size: 13px; }
.site-foot .links a { min-height: 32px; display: inline-flex; align-items: center; }
.site-foot .links span { color: var(--fg-faint); }
.site-foot .licence { margin-top: 0.9rem; padding-top: 0.9rem; border-top: 1px solid var(--border-soft); font-size: 13px; }

/* The header is sticky, so an anchored heading would otherwise land underneath it. */
:target, section[id], [id^="lookup"], #faq, #banks, #install, #catches, #provenance {
  scroll-margin-top: 76px;
}

/* ---------- the BD mark --------------------------------------------------- */

/* Bangladesh's flag colours, not the site's accent green: bottle green with the
   red disc set slightly left of centre, the way the real flag is drawn. The dark
   theme lifts the green, because #006a4e on a navy ground goes muddy. */
:root { --bd-green: #00a86b; --bd-red: #f42a41; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) { --bd-green: #006a4e; --bd-red: #e8112d; }
}
:root[data-theme="light"] { --bd-green: #006a4e; --bd-red: #e8112d; }

.wordmark .flag {
  width: 25px; height: 15px; flex: none;
  border-radius: 2.5px;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--fg) 12%, transparent);
}
.wordmark .bd {
  font: 700 16px/1 var(--mono);
  letter-spacing: 0.02em;
  color: var(--fg);
}
.wordmark .rest {
  font: 500 15px/1 var(--mono);
  letter-spacing: -0.02em;
  color: var(--fg-muted);
  margin-inline-start: -0.2rem;
}
.wordmark:hover .rest { color: var(--fg); }
@media (max-width: 600px) {
  .wordmark .flag { width: 22px; height: 13px; }
  .wordmark .bd { font-size: 14.5px; }
  .wordmark .rest { font-size: 13.5px; }
}

/* ---------- lookup tabs + cascading picker -------------------------------- */

.tabs {
  display: flex; gap: 0.25rem;
  padding: 0.4rem clamp(1.25rem, 3vw, 1.75rem) 0;
  border-bottom: 1px solid var(--border-soft);
}
.tab {
  position: relative;
  min-height: 44px; padding: 0 0.9rem;
  font: 500 14px/1 var(--sans); color: var(--fg-muted);
  background: none; border: 0; cursor: pointer;
  border-radius: var(--r-sm) var(--r-sm) 0 0;
  transition: color var(--step), background var(--step);
}
.tab:hover { color: var(--fg); background: var(--surface-2); }
.tab[aria-selected="true"] { color: var(--fg); font-weight: 600; }
.tab[aria-selected="true"]::after {
  content: ""; position: absolute; inset-inline: 0.6rem; bottom: -1px;
  height: 2px; background: var(--accent); border-radius: 2px 2px 0 0;
}

.picker {
  display: grid; gap: 1.1rem;
  padding: clamp(1.25rem, 3vw, 1.75rem);
}
@media (min-width: 860px) { .picker { grid-template-columns: repeat(3, 1fr); } }

.picker select {
  width: 100%; min-height: 52px;
  padding: 0.7rem 2.4rem 0.7rem 0.9rem;
  font: 500 0.98rem/1.4 var(--sans);
  color: var(--fg);
  background-color: var(--bg);
  border: 1px solid var(--border-input);
  border-radius: var(--r-md);
  cursor: pointer;
  appearance: none;
  /* Chevron drawn as a background image so the control keeps a native <select>
     underneath — the platform's own picker is better on mobile than anything
     hand-rolled, and it stays keyboard- and screen-reader-correct for free. */
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%),
                    linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 1.15rem) 55%, calc(100% - 0.8rem) 55%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  transition: border-color var(--step), box-shadow var(--step), opacity var(--step);
}
.picker select:hover:not(:disabled) { border-color: var(--fg-faint); }
.picker select:focus-visible {
  outline: none; border-color: var(--ring);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ring) 25%, transparent);
}
.picker select:disabled {
  opacity: 0.5; cursor: not-allowed;
  background-color: var(--surface-2); color: var(--fg-faint);
}
.picker select option { color: var(--fg); background: var(--surface); }

/* ---------- the answer, as one copyable number ---------------------------- */

.routing-out {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  margin-bottom: 1.25rem; padding: 0.9rem 1.1rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}
.routing-out .eyebrow { display: block; margin-bottom: 0.25rem; }
.routing-out strong {
  font: 600 clamp(1.5rem, 4vw, 1.9rem)/1.1 var(--mono);
  letter-spacing: 0.06em; color: var(--accent);
}
.copy {
  margin-inline-start: auto;
  min-height: 44px; padding: 0 1rem;
  font: 500 13px/1 var(--mono); cursor: pointer;
  color: var(--fg); background: var(--surface);
  border: 1px solid var(--border-input); border-radius: var(--r-sm);
  transition: color var(--step), border-color var(--step), background var(--step);
}
.copy:hover { border-color: var(--accent); }
.copy--done { color: var(--accent-fg); background: var(--accent); border-color: var(--accent); }