@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  --font-primary: 'Inter', sans-serif;
  --bg-primary: #f5f5f5;
  --bg-secondary: #ffffff;
  --bg-dark: #1a1a1a;
  --text-primary: #000000;
  --text-muted: #666666;
  --text-soft: #8a8a8a;
  --accent-lime: #adff2f;
  --shadow-soft: 0 8px 24px rgba(0,0,0,.06);
  --shadow-floating: 0 12px 32px rgba(0,0,0,.12);
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 999px;
  --bottom-nav-height: 88px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--bg-primary);
  font-family: var(--font-primary);
  color: var(--text-primary);
}

.app-shell {
  max-width: 480px;
  margin: 0 auto;
  padding: 20px;
  padding-bottom: calc(var(--bottom-nav-height) + 32px);
}

.section {
  margin-bottom: 24px;
}

.balance-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: var(--shadow-soft);
}

.balance-tabs {
  display: inline-flex;
  background: #efefef;
  padding: 4px;
  border-radius: var(--radius-pill);
  margin-bottom: 28px;
}

.balance-tab {
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  color: var(--text-muted);
}

.balance-tab.active {
  background: var(--accent-lime);
  color: black;
}

.balance-label {
  color: var(--text-muted);
  margin-bottom: 10px;
}

.balance-amount {
  display: flex;
  align-items: flex-end;
  gap: 2px;
}

.balance-currency,
.balance-integer {
  font-size: 2.5rem;
  font-weight: 800;
}

.balance-decimal {
  font-size: 1.5rem;
  color: var(--text-soft);
}

.balance-subtitle {
  margin-top: 12px;
  color: var(--text-muted);
}

.highlight-banner {
  background: var(--accent-lime);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.highlight-rate {
  font-size: 3rem;
  font-weight: 900;
}

.highlight-description {
  margin-top: 10px;
}

.bottom-nav {
  position: fixed;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  width: calc(100% - 24px);
  max-width: 456px;
  height: var(--bottom-nav-height);
  background: rgba(255,255,255,.95);
  border-radius: 32px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-floating);
}

.bottom-nav-items {
  display: flex;
  gap: 18px;
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--text-soft);
  font-size: .7rem;
}

.bottom-nav-item.active {
  color: black;
}

.bottom-nav-cta {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: black;
  color: var(--accent-lime);
  border: none;
}
