:root {
  --accent: #2e7d32;
  --accent-dark: #1b5e20;
  --accent-soft: #e8f5e9;
  --ink: #1f2933;
  --muted: #6b7280;
  --bg: #f4f6f4;
  --card: #ffffff;
  --line: #e2e8e2;
}

@media (prefers-color-scheme: dark) {
  :root {
    --accent: #66bb6a;
    --accent-dark: #43a047;
    --accent-soft: #1e2f21;
    --ink: #e5e9e5;
    --muted: #9aa4a0;
    --bg: #141816;
    --card: #1c211e;
    --line: #2c332e;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Header */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding: 14px 0;
}

.logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.logo span { color: var(--accent); }
.logo:hover { text-decoration: none; }

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  font-size: 15px;
}

/* Main */
main { padding: 26px 0 40px; }

h1 {
  margin: 0 0 4px;
  font-size: clamp(22px, 4.5vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.subtitle {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 15px;
}

/* Rate card */
.rate-card {
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  color: #fff;
  border-radius: 14px;
  padding: 20px 22px;
  margin: 18px 0 22px;
}

.rate-card .rate-date {
  margin: 0 0 6px;
  font-size: 14px;
  opacity: 0.85;
}

.rate-card .rate-value {
  margin: 0;
  font-size: clamp(24px, 6vw, 38px);
  font-weight: 700;
  line-height: 1.2;
  overflow-wrap: break-word;
}
.rate-card .rate-value b { font-weight: 700; }

/* Cards row (homepage) */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin: 18px 0 22px;
}
.cards .rate-card { margin: 0; }

/* Notice (валюта не существует и т.п.) */
.notice {
  background: #fdf3d7;
  border: 1px solid #e6c968;
  border-radius: 12px;
  padding: 12px 16px;
  margin: 16px 0;
  font-size: 15px;
  line-height: 1.5;
  color: #6b5316;
}

@media (prefers-color-scheme: dark) {
  .notice {
    background: #2e2913;
    border-color: #6b5c22;
    color: #e3cf8a;
  }
}

/* Currency description */
.curr-desc {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 4px 18px;
  margin: 0 0 22px;
}
.curr-desc p { text-align: justify; }

/* Rates table */
.table-scroll { overflow-x: auto; }

.rates-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  margin: 18px 0 22px;
  font-size: 15px;
}

.rates-table th,
.rates-table td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.rates-table th {
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-weight: 600;
  white-space: nowrap;
}

.rates-table tr:last-child td { border-bottom: none; }
.rates-table tbody tr:hover { background: var(--accent-soft); }

.rates-table .code {
  color: var(--muted);
  white-space: nowrap;
}

.rates-table .num {
  text-align: right;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* Currency link grid */
.curr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 10px;
  margin: 18px 0 22px;
}

.curr-grid a {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 14px;
  color: var(--ink);
  font-size: 15px;
  transition: border-color 0.15s;
}

.curr-grid a:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

/* Related links */
.related {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 6px 0 10px;
}

.pill {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent-dark);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
}

.pill:hover {
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}

/* Section headings */
main h2 {
  font-size: 20px;
  margin: 26px 0 10px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 18px 0;
  margin-top: 24px;
  color: var(--muted);
  font-size: 14px;
  background: var(--card);
}