:root {
  --bg: #07111F;
  --accent: #2E7DFF;
  --card-bg: #101E33;
  --text: #F2F5FA;
  --text-muted: #8CA0BF;
}

* {
  box-sizing: border-box;
}

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

.app {
  max-width: 480px;
  margin: 0 auto;
  padding: 16px;
}

.header {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 0 24px;
}

.logo {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--accent);
}

.card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 14px;
}

.card h2 {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tariffs {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tariff-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(46, 125, 255, 0.08);
  border: 1px solid rgba(46, 125, 255, 0.25);
  border-radius: 12px;
  padding: 12px 14px;
  gap: 10px;
}

.tariff-item .price {
  color: var(--accent);
  font-weight: 700;
}

.buy-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 8px 14px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
}

.muted {
  color: var(--text-muted);
  font-size: 14px;
}

.status-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
  font-size: 14px;
}

.status-line span:first-child {
  color: var(--text-muted);
}