:root {
  --bg: #f6f6f3;
  --card: #ffffff;
  --border: #e6e4dd;
  --text: #1c1c1a;
  --text-muted: #77756e;
  --buy: #1f7a4d;
  --sell: #b6791a;
  --accent: #1c1c1a;
  --diff-pos: #1f7a4d;
  --diff-neg: #b6412a;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  padding: 0 0 3rem;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
  flex-wrap: wrap;
  gap: 1rem;
}

header h1 {
  font-size: 1.4rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}

nav {
  display: flex;
  gap: 0.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px;
}

nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 999px;
}

nav a.active {
  background: var(--accent);
  color: #fff;
}

.meta {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.meta button {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
}

.meta button:hover { background: var(--bg); }

main {
  max-width: 1200px;
  margin: 1.5rem auto 0;
  padding: 0 2rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
}

.card h2 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 1rem;
}

.card h2 a,
.source-name a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px dashed var(--border);
}

.card h2 a:hover,
.source-name a:hover {
  color: var(--sell);
  border-bottom-color: var(--sell);
}

.card h2 .sub {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 2px;
}

table.rates {
  width: 100%;
  border-collapse: collapse;
}

table.rates th {
  text-align: right;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding-bottom: 0.5rem;
}

table.rates th:first-child { text-align: left; }

table.rates td {
  padding: 0.55rem 0;
  border-top: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}

table.rates td.label {
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 500;
}

table.rates td.num {
  text-align: right;
  font-size: 1.05rem;
  font-weight: 600;
}

td.buy { color: var(--buy); }
td.sell { color: var(--sell); }

.badla-row {
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--border);
}

.badla-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.6rem;
}

.badla-items {
  display: flex;
  gap: 1.5rem;
}

.badla-item-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.badla-item-value {
  font-size: 1.3rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* Diff comparison screen */
.abcd-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.abcd-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem 1.5rem;
  text-align: center;
}

.abcd-letter {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  margin: 0 auto 0.9rem;
}

.abcd-card .source-name {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.abcd-card .source-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}

.abcd-card .diff-value {
  font-size: 2.6rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.abcd-card .diff-caption {
  margin-top: 0.4rem;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.na { color: var(--text-muted); font-weight: 400; }

footer {
  max-width: 1200px;
  margin: 2rem auto 0;
  padding: 0 2rem;
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* ---- live stream indicators ------------------------------------------- */

.conn-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-right: 0.45rem;
  vertical-align: 1px;
  background: var(--text-muted);
}

.conn-dot.live {
  background: var(--buy);
  box-shadow: 0 0 0 0 rgba(31, 122, 77, 0.5);
  animation: pulse 2s ease-out infinite;
}

.conn-dot.connecting { background: var(--sell); }
.conn-dot.offline { background: var(--diff-neg); }

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(31, 122, 77, 0.45); }
  70%  { box-shadow: 0 0 0 6px rgba(31, 122, 77, 0); }
  100% { box-shadow: 0 0 0 0 rgba(31, 122, 77, 0); }
}

.card h2 .sub {
  display: flex;
  align-items: center;
  gap: 0.1rem;
}

.card-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--buy);
  margin-right: 0.45rem;
  flex: none;
}

.card-badge {
  margin-left: 0.5rem;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--diff-neg);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.card.offline { border-color: rgba(182, 65, 42, 0.35); }
.card.offline .card-dot { background: var(--diff-neg); }
.card.offline table.rates td.num { opacity: 0.55; }

/* A value that just moved: green tick up, red tick down. */
table.rates td.num,
.badla-item-value {
  border-radius: 6px;
  transition: background-color 120ms ease-out;
}

.flash-up { animation: flash-up var(--flash, 900ms) ease-out; }
.flash-down { animation: flash-down var(--flash, 900ms) ease-out; }

@keyframes flash-up {
  0%   { background-color: rgba(31, 122, 77, 0.22); color: var(--buy); }
  100% { background-color: transparent; }
}

@keyframes flash-down {
  0%   { background-color: rgba(182, 65, 42, 0.20); color: var(--diff-neg); }
  100% { background-color: transparent; }
}

@media (prefers-reduced-motion: reduce) {
  .conn-dot.live { animation: none; }
  .flash-up, .flash-down { animation-duration: 1ms; }
}

/* ---- full feed tables (all rows, all columns) -------------------------- */

.grid { grid-template-columns: repeat(auto-fit, minmax(370px, 1fr)); }

.table-wrap { overflow-x: auto; }

table.rates td.num { font-size: 0.92rem; }
table.rates th { white-space: nowrap; }
table.rates td.label { white-space: nowrap; padding-right: 0.75rem; }

td.hl {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.82rem !important;
}

/* A blank that explains itself on hover. */
td.label.has-note { cursor: help; }
td.label.has-note::after {
  content: "?";
  display: inline-block;
  margin-left: 0.35rem;
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 13px;
  height: 13px;
  line-height: 11px;
  text-align: center;
  vertical-align: 1px;
}

details.all-rows {
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--border);
}

details.all-rows summary {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  cursor: pointer;
  margin-bottom: 0.4rem;
}

details.all-rows summary:hover { color: var(--text); }

table.feed-all td.label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
}

table.feed-all td.num { font-size: 0.82rem; }
table.feed-all td.hl { font-size: 0.75rem !important; }

.row-id {
  display: inline-block;
  min-width: 2.6rem;
  margin-right: 0.4rem;
  font-size: 0.65rem;
  color: var(--text-muted);
  opacity: 0.65;
  font-variant-numeric: tabular-nums;
}