/* THINKNOD 공통 (design/DESIGN.md) */
:root {
  color-scheme: light;
  --bg: #fff; --panel: #f4f4f8; --ink: #2b2a47; --slate: #5f5e74; --line: #e4e4ec;
  --action: #c73e17; --signal: #b23a16; --muted: #8e8da3; --nod: #c73e17;
  --c1: #2a78d6; --c2: #eb6834; --c0: #c9c8d6;
  --shell: 1040px; --r: 14px;
  --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #15141d; --panel: #201f2b; --ink: #ecebf5; --slate: #b4b3c7; --line: #34334a;
    --signal: #f08a5d; --muted: #77768c; --nod: #f08a5d;
    --c1: #3987e5; --c2: #d95926; --c0: #4a4960;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font); font-size: 16px; line-height: 1.6; word-break: keep-all; overflow-wrap: anywhere; }
a { color: inherit; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--c1); outline-offset: 2px; border-radius: 6px; }
.shell { max-width: var(--shell); margin: 0 auto; padding: 0 20px; }

/* 머리말 */
.top { border-bottom: 1px solid var(--line); }
.top .shell { display: flex; align-items: center; justify-content: space-between; min-height: 60px; gap: 12px; }
.brand { display: inline-flex; align-items: center; gap: 9px; color: var(--ink); min-height: 44px; font-weight: 800; letter-spacing: 0.06em; text-decoration: none; font-size: 15px; }
.brand .mark { width: 22px; height: 22px; flex: none; color: var(--ink); }
.brand .nod-t { color: inherit; } /* 10-16: NOD는 끄덕이 아니라 node(생각의 단위). 한 색으로 */
.top .right { font-size: 14px; color: var(--slate); }

/* 글자 */
.kicker { color: var(--signal); font-size: 14px; font-weight: 700; margin: 0 0 6px; letter-spacing: 0.02em; }
h1 { font-size: 30px; line-height: 1.3; margin: 0 0 10px; letter-spacing: -0.02em; }
h2 { font-size: 22px; line-height: 1.35; margin: 0 0 8px; letter-spacing: -0.01em; }
.lead { color: var(--slate); font-size: 17px; margin: 0 0 18px; }
.small { font-size: 14px; }
.muted { color: var(--slate); }
.num { font-variant-numeric: tabular-nums; }
@media (max-width: 600px) { h1 { font-size: 25px; } }

/* 단추 */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: 12px; border: 1.5px solid var(--ink); background: var(--bg); color: var(--ink); font-weight: 700; font-size: 16px; text-decoration: none; cursor: pointer; }
.btn.main { background: var(--action); border-color: var(--action); color: #fff; }
.btn.ink { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.btn:hover { box-shadow: 0 4px 14px rgba(20, 18, 40, 0.14); }
.link { background: none; border: 0; padding: 10px 2px; min-height: 44px; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; color: var(--ink); }
.tag { display: inline-block; font-size: 13px; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--slate); }

/* 바닥: 다른 실험 */
.more { border-top: 1px solid var(--line); margin-top: 48px; padding: 28px 0 8px; }
.more h2 { font-size: 17px; }
.more-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; margin-top: 10px; }
.more-row a { display: block; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; text-decoration: none; min-height: 44px; }
.more-row a b { display: block; font-size: 15px; }
.more-row a span { font-size: 13.5px; color: var(--slate); }
.more-row a:hover { border-color: var(--ink); }
.foot { padding-top: 22px; padding-bottom: 40px; color: var(--slate); font-size: 13.5px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.foot a { color: var(--slate); display: inline-flex; align-items: center; min-height: 44px; }
.foot span + span { display: inline-flex; gap: 14px; }
main ul li { margin: 0 0 8px; }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }
main li a:not(.btn), main p a:not(.btn) { display: inline-block; padding: 11px 0; }

/* 남들과 견주기 (site/assets/stats.js) */
.tn-cmp { margin: 12px 0 0; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg); }
.tn-cmp.wait { color: var(--slate); font-size: 14px; border-style: dashed; }
.tn-cmp-h { margin: 0 0 8px; font-size: 14px; font-weight: 700; color: var(--slate); }
.tn-cmp-f { margin: 8px 0 0; font-size: 14.5px; }
.tn-bar { display: flex; gap: 3px; min-height: 40px; border-radius: 10px; overflow: hidden; }
.tn-bar > span { display: flex; align-items: center; justify-content: center; gap: 4px; min-width: 64px; padding: 0 8px; font-size: 13.5px; white-space: nowrap; background: var(--panel); color: var(--ink); }
.tn-bar > span.me { background: var(--ink); color: var(--bg); }
.tn-bar > span.me::before { content: "나"; font-size: 11px; font-weight: 800; border: 1px solid currentColor; border-radius: 4px; padding: 0 3px; }
.tn-hist { display: block; width: 100%; max-width: 420px; height: auto; }
.tn-hist .o { fill: var(--c0); }
.tn-hist .me { fill: var(--c2); }
.tn-hist text { font-size: 10.5px; fill: var(--slate); font-family: var(--font); }
.tn-count { font-size: 14px; color: var(--slate); }
.tn-rows { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.tn-rows li { position: relative; display: flex; justify-content: space-between; gap: 10px; padding: 6px 10px; border-radius: 8px; overflow: hidden; font-size: 14px; margin: 0; }
.tn-rows .b { position: absolute; inset: 0 auto 0 0; background: var(--panel); z-index: 0; }
.tn-rows .l, .tn-rows .v { position: relative; z-index: 1; }
.tn-rows li.me { font-weight: 800; }
.tn-rows li.me .b { background: color-mix(in srgb, var(--c2) 28%, var(--panel)); }
.tn-rows i { font-style: normal; font-size: 11px; font-weight: 800; border: 1px solid currentColor; border-radius: 4px; padding: 0 3px; margin-right: 6px; }