:root {
  --bg: #0e1726;
  --card: #16223a;
  --fg: #e8eef7;
  --muted: #93a4bf;
  --accent: #37c2a0;
  --error: #ff6b6b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding: 1rem;
}

.card {
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

h1 {
  font-size: 1.4rem;
  margin: 0 0 1rem;
}

.logout, .refresh {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
}

.balances {
  list-style: none;
  margin: 0;
  padding: 0;
}

.balances li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.balances li:last-child { border-bottom: none; }

.currency {
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.05em;
}

.amount {
  font-size: 1.5rem;
  font-variant-numeric: tabular-nums;
}

.empty { color: var(--muted); }

.meta {
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 1rem;
}

.actions {
  margin-top: 1.25rem;
  text-align: center;
}

.refresh {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--accent);
  border-radius: 10px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

label { color: var(--muted); font-size: 0.9rem; }

input {
  padding: 0.75rem;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: #0e1726;
  color: var(--fg);
  font-size: 1rem;
}

button {
  padding: 0.75rem;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: #04140f;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.error {
  color: var(--error);
  font-size: 0.9rem;
}