:root {
  --background: 164 45% 96%;
  --foreground: 174 58% 9%;
  --primary: 171 82% 34%;
  --primary-foreground: 0 0% 100%;
  --secondary: 42 96% 58%;
  --secondary-foreground: 174 58% 9%;
  --muted: 168 22% 88%;
  --muted-foreground: 173 18% 35%;
  --destructive: 2 77% 54%;
  --destructive-foreground: 0 0% 100%;
  --border: 169 23% 80%;
  --card: 0 0% 100%;
  --shadow-sm: 0 8px 24px rgba(6, 24, 22, 0.08);
  --shadow-md: 0 18px 45px rgba(6, 24, 22, 0.12);
  --shadow-lg: 0 28px 80px rgba(6, 24, 22, 0.18);
  --transition-fast: 160ms ease;
  --transition-smooth: 260ms cubic-bezier(.2,.8,.2,1);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 30px;
}
.dark {
  --background: 174 60% 6%;
  --foreground: 164 40% 94%;
  --primary: 171 74% 48%;
  --primary-foreground: 174 60% 6%;
  --secondary: 42 96% 62%;
  --secondary-foreground: 174 60% 6%;
  --muted: 174 34% 14%;
  --muted-foreground: 166 18% 70%;
  --destructive: 2 80% 62%;
  --destructive-foreground: 0 0% 100%;
  --border: 174 28% 20%;
  --card: 174 48% 10%;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: hsl(var(--foreground));
  background:
    radial-gradient(circle at top left, hsl(var(--secondary) / 0.24), transparent 34rem),
    radial-gradient(circle at top right, hsl(var(--primary) / 0.18), transparent 30rem),
    hsl(var(--background));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
button, a, input, select { -webkit-tap-highlight-color: transparent; }
input, select, textarea { font-size: max(16px, 1rem); }
.bg-1 { background: hsl(var(--background)); }
.bg-2 { background: hsl(var(--card)); }
.bg-3 { background: hsl(var(--muted)); }
.bg-4 { background: hsl(var(--primary) / 0.1); }
.text-primary { color: hsl(var(--foreground)); }
.text-secondary { color: hsl(var(--muted-foreground)); }
.text-tertiary { color: hsl(var(--primary)); }
.accent { color: hsl(var(--secondary)); }
.card {
  background: hsl(var(--card) / 0.88);
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(14px);
}
.btn-primary, .btn-secondary, .btn-ghost, .btn-danger {
  min-height: 44px;
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-weight: 800;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.btn-primary { background: hsl(var(--primary)); color: hsl(var(--primary-foreground)); box-shadow: var(--shadow-sm); }
.btn-secondary { background: hsl(var(--secondary)); color: hsl(var(--secondary-foreground)); box-shadow: var(--shadow-sm); }
.btn-ghost { background: hsl(var(--muted) / 0.6); color: hsl(var(--foreground)); }
.btn-danger { background: hsl(var(--destructive)); color: hsl(var(--destructive-foreground)); }
.btn-primary:hover, .btn-secondary:hover, .btn-ghost:hover, .btn-danger:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.input {
  width: 100%;
  min-height: 48px;
  border-radius: var(--radius-md);
  border: 1px solid hsl(var(--border));
  background: hsl(var(--card));
  color: hsl(var(--foreground));
  padding: 0.75rem 0.9rem;
  outline: none;
  transition: border var(--transition-fast), box-shadow var(--transition-fast);
}
.input:focus { border-color: hsl(var(--primary)); box-shadow: 0 0 0 4px hsl(var(--primary) / 0.16); }
.pill-primary { color: hsl(var(--primary)); background: hsl(var(--primary) / 0.12); border: 1px solid hsl(var(--primary) / 0.18); }
.pill-secondary { color: hsl(var(--secondary-foreground)); background: hsl(var(--secondary) / 0.28); border: 1px solid hsl(var(--secondary) / 0.35); }
.nav-item {
  min-height: 48px;
  color: hsl(var(--muted-foreground));
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}
.nav-item.active { background: hsl(var(--primary)); color: hsl(var(--primary-foreground)); transform: translateY(-2px); }
.safe-bottom { padding-bottom: calc(0.75rem + env(safe-area-inset-bottom)); }
.safe-top { padding-top: calc(0.75rem + env(safe-area-inset-top)); }
.shimmer { background: linear-gradient(90deg, hsl(var(--muted)), hsl(var(--card)), hsl(var(--muted))); background-size: 200% 100%; animation: shimmer 1.2s infinite; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }