/* 데이리듬 웹 페이지 — 앱과 같은 톤: 종이 바탕, 잉크 글자, 강조색 하나, 밑줄로만 강조 */
:root {
  --bg: #f7f7f5; --surface: #ffffff; --sunken: #efefec;
  --ink: #1b1b1a; --ink2: #626260; --ink3: #9a9a97; --line: #e7e7e3;
  --accent: #d26a7d; --accent-soft: rgba(210, 106, 125, .12);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212; --surface: #1b1b1b; --sunken: #0c0c0c;
    --ink: #f1f1ef; --ink2: #a9a9a6; --ink3: #787876; --line: #2a2a2a;
    --accent: #e48c9b; --accent-soft: rgba(228, 140, 155, .2);
  }
}
* { 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", "Malgun Gothic", system-ui, sans-serif;
  font-weight: 300; font-size: 16px; line-height: 1.7; letter-spacing: -0.01em;
  padding: 0 20px;
}
a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent); }
.wrap { max-width: 680px; margin: 0 auto; padding: 32px 0 64px; }
header.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 4px 0 28px; }
header.top .brand { font-weight: 500; font-size: 17px; text-decoration: none; }
header.top nav { display: flex; gap: 18px; font-size: 14px; color: var(--ink2); }
header.top nav a { color: var(--ink2); text-decoration: none; }
header.top nav a[aria-current] { color: var(--ink); border-bottom: 1.5px solid var(--accent); }
h1 { font-size: 30px; font-weight: 500; line-height: 1.25; margin: 0 0 10px; letter-spacing: -0.02em; }
h2 { font-size: 18px; font-weight: 500; margin: 40px 0 10px; }
h3 { font-size: 15.5px; font-weight: 500; margin: 24px 0 6px; }
p, li { color: var(--ink); }
.lead { font-size: 17px; color: var(--ink2); margin: 0 0 24px; }
.muted { color: var(--ink2); font-size: 14px; }
.small { font-size: 13.5px; color: var(--ink3); }
.card { background: var(--surface); border-radius: 18px; padding: 20px 22px; margin: 14px 0; }
.card.soft { background: var(--accent-soft); }
.card h3:first-child { margin-top: 0; }
ul { padding-left: 20px; margin: 8px 0; }
li { margin: 4px 0; }
table { border-collapse: collapse; width: 100%; font-size: 14.5px; margin: 10px 0 18px; }
th, td { text-align: left; vertical-align: top; padding: 9px 8px; border-bottom: 1px solid var(--line); }
th { font-weight: 500; color: var(--ink2); white-space: nowrap; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 4px; }
.pill {
  display: inline-block; padding: 9px 18px; border-radius: 999px; background: var(--accent); color: #fff;
  text-decoration: none; font-weight: 400; font-size: 15px;
}
.pill.ghost { background: var(--sunken); color: var(--ink); }
.pill:hover { opacity: .85; color: #fff; }
.pill.ghost:hover { color: var(--ink); }
.features { display: grid; grid-template-columns: 1fr; gap: 12px; margin-top: 8px; }
@media (min-width: 560px) { .features { grid-template-columns: 1fr 1fr; } }
.features .card { margin: 0; }
.features .card h3 { margin: 0 0 4px; }
.features .card p { margin: 0; color: var(--ink2); font-size: 14.5px; }
footer { margin-top: 56px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--ink3); font-size: 13px; display: flex; flex-wrap: wrap; gap: 6px 18px; }
footer a { color: var(--ink3); text-decoration: none; }
details { border-bottom: 1px solid var(--line); padding: 10px 0; }
summary { cursor: pointer; font-weight: 400; }
summary::marker { color: var(--ink3); }
details p { margin: 8px 0 4px; color: var(--ink2); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; background: var(--sunken); padding: 1px 5px; border-radius: 5px; }