/* Scoped resets — only inside sd-page wrappers, not global */
.sd-page *, .sd-page *::before, .sd-page *::after {
  box-sizing: border-box;
}

.sd-page {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.sd-container {
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
}

.sd-header {
  margin: 0 auto 24px;
}

.sd-header h1,
.sd-header .sd-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 4px;
}

.sd-header p,
.sd-header .sd-sub {
  font-size: 14px;
}

body.theme-light .sd-header p,
body.theme-light .sd-header .sd-sub {
  color: #666;
}

body.theme-dark .sd-header p,
body.theme-dark .sd-header .sd-sub {
  color: #7b7f96;
}

.sd-card {
  border-radius: 12px;
  padding: 1.75rem;
}

body.theme-light .sd-card {
  background: #fff;
  border: 0.5px solid #ddd;
}

body.theme-dark .sd-card {
  background: #1a1d27;
  border: 0.5px solid #2e3347;
}