:root {
  color-scheme: light;
  --bg: #f6f7f3;
  --surface: #ffffff;
  --ink: #18201f;
  --muted: #68716f;
  --line: #dce2dd;
  --accent: #0f7b68;
  --accent-strong: #08594b;
  --gold: #c7891f;
  --soft: #eef5f2;
  --danger: #a43e35;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: linear-gradient(135deg, #f6f7f3 0%, #eaf2ee 52%, #f9f4ea 100%);
  color: var(--ink);
  min-height: 100vh;
}

button,
input,
select {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
  padding: 28px;
  display: grid;
  place-items: center;
}

.workspace {
  width: min(1100px, 100%);
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
  margin-bottom: 20px;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 6px;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 0.95;
  margin: 0;
  max-width: 680px;
}

.rate-card,
.panel {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  box-shadow: 0 18px 45px rgba(24, 32, 31, 0.09);
}

.rate-card {
  border-radius: 8px;
  min-width: 210px;
  padding: 14px 16px;
  display: grid;
  gap: 3px;
}

.rate-card strong {
  font-size: 1.35rem;
}

.rate-card small,
.status-dot,
.hint,
.metric-list span,
.result-main span {
  color: var(--muted);
}

.status-dot {
  font-size: 0.78rem;
  font-weight: 800;
}

.status-dot.ok {
  color: var(--accent);
}

.status-dot.error {
  color: var(--danger);
}

.grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(320px, 1.1fr);
  gap: 18px;
  align-items: stretch;
}

.panel {
  border-radius: 8px;
  padding: 22px;
}

.controls {
  display: grid;
  gap: 18px;
}

.field-group {
  display: grid;
  gap: 8px;
}

label {
  font-weight: 750;
}

.label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.money-row,
.suffix-field,
.two-col {
  display: grid;
  gap: 10px;
}

.money-row {
  grid-template-columns: 106px 1fr;
}

.two-col {
  grid-template-columns: 1fr 1fr;
}

.two-col.compact {
  grid-template-columns: 1.1fr 0.9fr;
}

input,
select,
.currency-badge {
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

input,
select {
  color: var(--ink);
  padding: 0 13px;
  width: 100%;
}

input:focus,
select:focus,
button:focus-visible {
  outline: 3px solid rgba(15, 123, 104, 0.22);
  border-color: var(--accent);
}

.suffix-field {
  grid-template-columns: 1fr 46px;
}

.suffix-field span,
.currency-badge {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-weight: 800;
}

.toggle-row {
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 0 13px;
  font-weight: 750;
}

.toggle-row input {
  width: 20px;
  min-height: 20px;
  accent-color: var(--accent);
}

.hint {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.4;
}

.exchange-box {
  background: var(--soft);
  border: 1px solid #d7e7e1;
  border-radius: 8px;
  padding: 14px;
}

.icon-button {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--accent-strong);
  cursor: pointer;
  font-size: 1.05rem;
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

button {
  border: 0;
  border-radius: 8px;
  min-height: 44px;
  padding: 0 16px;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
}

button.secondary {
  background: #e8ece8;
  color: var(--ink);
}

.results {
  display: grid;
  gap: 18px;
}

.result-main {
  min-height: 158px;
  border-radius: 8px;
  background: #143c36;
  color: #fff;
  padding: 24px;
  display: grid;
  align-content: center;
  gap: 10px;
}

.result-main span {
  color: #c6ddd7;
  font-weight: 750;
}

.result-main strong {
  font-size: clamp(2.1rem, 7vw, 4.6rem);
  line-height: 1;
  overflow-wrap: anywhere;
}

.metric-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.metric-list div {
  min-height: 92px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  display: grid;
  align-content: center;
  gap: 6px;
  background: #fff;
}

.metric-list strong {
  font-size: 1.35rem;
  overflow-wrap: anywhere;
}

@media (max-width: 820px) {
  .app-shell {
    padding: 18px;
    place-items: start center;
  }

  .topbar,
  .grid {
    grid-template-columns: 1fr;
    display: grid;
  }

  .topbar {
    align-items: stretch;
  }

  .rate-card {
    min-width: 0;
  }
}

@media (max-width: 540px) {
  .panel {
    padding: 16px;
  }

  .two-col,
  .two-col.compact,
  .money-row,
  .metric-list {
    grid-template-columns: 1fr;
  }
}