/* Nodii 정적 사이트 — 앱 토큰(docs/design/tokens.md)의 색만 사용, 외부 폰트·스크립트 없음 */
:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --side: #f7f8fa;
  --ink: #16181d;
  --ink-2: #4b5160;
  --muted: #646a76;
  --line: #e9ebef;
  --focus: #2a63c9;
  --banner: #f2f4f7;
  --warn-bg: #fff4db;
  --warn-ink: #8a5a00;
  --goal-blue: #4f7cff;
  --goal-green: #3fb28a;
  --goal-coral: #f0715a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131417;
    --side: #1a1c20;
    --ink: #f1f2f4;
    --ink-2: #b4b9c2;
    --muted: #9aa0aa;
    --line: #26292e;
    --focus: #7aa7ff;
    --banner: #1f2227;
    --warn-bg: #3a2f17;
    --warn-ink: #f2c66d;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    'Pretendard Variable',
    Pretendard,
    -apple-system,
    BlinkMacSystemFont,
    'Apple SD Gothic Neo',
    'Noto Sans KR',
    system-ui,
    sans-serif;
  font-size: 16px;
  line-height: 1.7;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

a {
  color: var(--focus);
  text-underline-offset: 2px;
}

a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}

.site-header,
.site-footer,
main {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 20px;
  padding-bottom: 20px;
}

.brand {
  color: var(--ink);
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  font-size: 14px;
}

.site-header nav a {
  color: var(--ink-2);
  text-decoration: none;
}

.site-header nav a[aria-current='page'] {
  color: var(--ink);
  font-weight: 600;
}

main {
  padding-bottom: 56px;
}

h1 {
  font-size: 28px;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin: 24px 0 8px;
}

h2 {
  font-size: 19px;
  line-height: 1.4;
  margin: 40px 0 8px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

h3 {
  font-size: 16px;
  margin: 24px 0 4px;
}

p,
ul,
ol,
table {
  margin: 8px 0;
}

ul,
ol {
  padding-left: 22px;
}

.lead {
  color: var(--ink-2);
  font-size: 18px;
}

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

.todo {
  display: inline;
  background: var(--warn-bg);
  color: var(--warn-ink);
  border-radius: 4px;
  padding: 1px 4px;
  font-size: 0.92em;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
}

th {
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
}

/* 소개 화면 */
.hero {
  padding: 40px 0 16px;
}

.hero h1 {
  font-size: 36px;
  margin-top: 0;
}

.store-button {
  display: inline-block;
  margin-top: 16px;
  padding: 12px 20px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--bg);
  font-weight: 600;
  text-decoration: none;
}

.preview {
  margin: 32px 0;
  padding: 20px;
  border-radius: 14px;
  background: var(--side);
  border: 1px solid var(--line);
}

.preview-goal {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
}

.preview ul {
  list-style: none;
  padding: 0;
  margin: 8px 0 16px;
}

.preview li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
}

.check {
  flex: none;
  width: 18px;
  height: 18px;
  border-radius: 5px;
  border: 1.5px solid var(--muted);
}

.check.done {
  border-color: transparent;
}

.done-text {
  color: var(--muted);
  text-decoration: line-through;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  padding: 0;
  list-style: none;
}

.features li {
  padding: 16px;
  border-radius: 12px;
  background: var(--banner);
}

.features strong {
  display: block;
  margin-bottom: 4px;
}

details {
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}

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

summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}

.site-footer {
  padding-top: 24px;
  padding-bottom: 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.site-footer a {
  color: var(--muted);
}

@media (max-width: 480px) {
  h1 {
    font-size: 24px;
  }

  .hero h1 {
    font-size: 28px;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }
}