:root {
  --bg: #101915;
  --panel: #1b2a20;
  --panel-soft: #22352a;
  --text: #f4f4ef;
  --muted: #a9b5ab;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #f2c94c;
  --font-title: "Rye", "Times New Roman", serif;
  --font-body: "IBM Plex Sans", "Noto Sans KR", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background: radial-gradient(circle at top, #24382c, #0d1411 62%);
  color: var(--text);
  min-height: 100dvh;
}

.doc-shell {
  max-width: 920px;
  margin: 0 auto;
  padding: calc(18px + env(safe-area-inset-top, 0px))
    calc(14px + env(safe-area-inset-right, 0px))
    calc(20px + env(safe-area-inset-bottom, 0px))
    calc(14px + env(safe-area-inset-left, 0px));
}

.doc-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.doc-nav a {
  color: #f6f5ef;
  text-decoration: none;
  font-size: 13px;
  padding: 7px 11px;
  border-radius: 999px;
  background: #304538;
  border: 1px solid var(--line);
}

.doc-nav a:hover {
  background: #3a5444;
}

.doc-card {
  background: var(--panel);
  border-radius: 18px;
  border: 1px solid var(--line);
  padding: 18px;
  box-shadow: 0 22px 48px rgba(0, 0, 0, 0.35);
}

h1 {
  margin: 0 0 8px 0;
  font-family: var(--font-title);
  font-size: 32px;
  color: #ffe18c;
  letter-spacing: 0.4px;
}

h2 {
  margin: 18px 0 8px 0;
  color: var(--accent);
  font-size: 18px;
}

p {
  margin: 0;
  color: #dbe2da;
  line-height: 1.62;
  font-size: 15px;
}

p + p {
  margin-top: 10px;
}

.doc-card a {
  color: #ffe18c;
}

.doc-card a:hover {
  color: #fff0bd;
}

ul {
  margin: 8px 0 0 0;
  padding-left: 19px;
  color: #dbe2da;
  line-height: 1.62;
}

li + li {
  margin-top: 6px;
}

.doc-meta {
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted);
}

.doc-note {
  margin-top: 14px;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  font-size: 14px;
  color: #eaf0e7;
}

@media (max-width: 620px) {
  h1 {
    font-size: 28px;
  }
  p,
  ul {
    font-size: 14px;
  }
}