/* 곧 내려요 — Water.css 보조 (앱 primary #1565C0) */
:root {
  --ss-primary: #1565c0;
  --ss-primary-soft: #e3f2fd;
  --ss-bg: #f0f4f8;
  --ss-card: #ffffff;
  --ss-radius: 14px;
}

html {
  scroll-behavior: smooth;
}

body {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1rem 2.5rem;
  background: var(--ss-bg) !important;
}

a {
  color: var(--ss-primary);
}

a:hover {
  color: #0d47a1;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  margin: 1rem 0 1.25rem;
  padding: 0.75rem 1rem;
  background: var(--ss-card);
  border-radius: var(--ss-radius);
  box-shadow: 0 1px 3px rgba(21, 101, 192, 0.08);
}

.site-nav .brand {
  font-weight: 700;
  font-size: 1.05rem;
  margin-right: auto;
  text-decoration: none;
  color: var(--ss-primary) !important;
}

.site-nav a:not(.brand) {
  font-size: 0.9rem;
  text-decoration: none;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  color: #444 !important;
}

.site-nav a:not(.brand):hover,
.site-nav a[aria-current="page"] {
  background: var(--ss-primary-soft);
  color: var(--ss-primary) !important;
}

.page-hero {
  margin-bottom: 1.25rem;
}

.page-hero h1 {
  margin-bottom: 0.35rem;
  font-size: 1.55rem;
}

.page-hero .subtitle {
  color: #555;
  margin: 0;
  font-size: 0.95rem;
}

.badge {
  display: inline-block;
  background: var(--ss-primary-soft);
  color: #0d47a1;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  margin-right: 0.35rem;
  vertical-align: middle;
}

.callout {
  background: var(--ss-card);
  border-left: 4px solid var(--ss-primary);
  border-radius: var(--ss-radius);
  padding: 0.9rem 1rem;
  margin: 1rem 0;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.callout-warn {
  border-left-color: #f9a825;
  background: #fffde7;
}

.feature-grid {
  display: grid;
  gap: 0.65rem;
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}

.feature-grid li {
  background: var(--ss-card);
  border-radius: var(--ss-radius);
  padding: 0.75rem 1rem;
  margin: 0;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

details {
  background: var(--ss-card);
  border-radius: var(--ss-radius);
  padding: 0.65rem 1rem;
  margin: 0.5rem 0;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

details summary {
  cursor: pointer;
  font-weight: 600;
}

.site-footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid #dde3ea;
  font-size: 0.88rem;
  color: #666;
}

.site-footer nav {
  margin-bottom: 0.75rem;
}

.toc {
  background: var(--ss-card);
  border-radius: var(--ss-radius);
  padding: 0.85rem 1.1rem;
  margin: 1rem 0 1.5rem;
  font-size: 0.92rem;
}

.toc ul {
  margin: 0.4rem 0 0;
  padding-left: 1.2rem;
}

.table-wrap {
  overflow-x: auto;
  margin: 0.75rem 0;
  border-radius: var(--ss-radius);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

table {
  font-size: 0.9rem;
  background: var(--ss-card);
}

section[id] {
  scroll-margin-top: 1rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ss-bg: #1a2332;
    --ss-card: #243044;
    --ss-primary-soft: #1e3a5f;
  }

  .site-nav a:not(.brand) {
    color: #ccc !important;
  }

  .callout-warn {
    background: #2d2a1a;
  }
}