:root {
  --primary: #0ea5e9;
  --primary-hover: #0284c7;
  --cta: #fbbf24;
  --cta-hover: #f59e0b;
  --bg: #f0f9ff;
  --text: #0f172a;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    "Helvetica Neue",
    Arial,
    "Noto Sans",
    "Apple Color Emoji",
    "Segoe UI Emoji";
}

a {
  color: inherit;
}

code {
  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    "Liberation Mono",
    "Courier New",
    monospace;
}

.btn {
  appearance: none;
  border: 1px solid rgba(15, 23, 42, 0.15);
  background: #e2e8f0;
  color: #0f172a;
  border-radius: 0.5rem;
  padding: 0.5rem 1rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  line-height: 1.2;
}

.btn:hover {
  background: #cbd5e1;
}

.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--primary);
  border-color: transparent;
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-secondary {
  background: #e2e8f0;
  border-color: rgba(15, 23, 42, 0.15);
  color: #0f172a;
}

.btn-secondary:hover {
  background: #cbd5e1;
}

.btn-cta {
  background: var(--cta);
  border-color: transparent;
  color: #0f172a;
}

.btn-cta:hover {
  background: var(--cta-hover);
}

.btn-danger {
  background: #fee2e2;
  border-color: #fecaca;
  color: #b91c1c;
}

.btn-danger:hover {
  background: #fecaca;
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  border-radius: 0.45rem;
  font-size: 0.875rem;
}

.btn-xs {
  padding: 0.3rem 0.7rem;
  border-radius: 0.4rem;
  font-size: 0.75rem;
}