/* ── Notes 공용 스타일 ──
   메인 포트폴리오(/index.html)의 다크 톤·네온 액센트를 그대로 따른다.
   빌드 없이 쓰려고 Tailwind 대신 손으로 쓴 CSS. */

:root {
  color-scheme: dark;

  --color-bg:      #07071a;
  --color-surface: rgba(255, 255, 255, 0.04);
  --color-primary: #2563eb;
  --color-text:    #e2e8f0;
  --color-strong:  #f8fafc;
  --color-muted:   #94a3b8;
  --color-dim:     #64748b;
  --color-border:  rgba(255, 255, 255, 0.09);
  --neon:          #38bdf8;
  --link:          #7dd3fc;

  --font-sans: "Pretendard Variable", Pretendard, -apple-system, sans-serif;
  --font-head: 'Sora', var(--font-sans);
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { background-color: var(--color-bg); }

body {
  margin: 0;
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── 상단 바 ── */
.n-bar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  height: 56px; padding: 0 16px;
  background: rgba(7, 7, 26, 0.86);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--color-border);
}
.n-logo {
  font-family: var(--font-head); font-weight: 800; font-size: 1.1rem;
  letter-spacing: -0.04em; color: var(--link);
  text-shadow: 0 0 12px rgba(56, 189, 248, 0.40);
}
.n-logo:hover { text-decoration: none; }
.n-crumbs {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-dim);
}
.n-crumbs a { color: var(--color-muted); }

/* ── 레이아웃 ── */
.n-wrap {
  max-width: 1120px; margin: 0 auto;
  padding: 48px 16px 120px;
}
.n-doc { display: grid; grid-template-columns: minmax(0, 1fr); gap: 48px; }
@media (min-width: 1080px) {
  .n-doc { grid-template-columns: minmax(0, 1fr) 220px; }
}
.n-article { max-width: 760px; min-width: 0; }

/* ── 머리말 ── */
.n-kicker {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--neon);
  margin: 0 0 12px;
}
.n-title {
  font-family: var(--font-head); font-weight: 800;
  font-size: clamp(1.9rem, 5vw, 2.7rem); line-height: 1.2;
  letter-spacing: -0.03em; color: var(--color-strong);
  margin: 0 0 16px; word-break: keep-all;
}
.n-lead { color: var(--color-muted); font-size: 1.05rem; margin: 0 0 20px; word-break: keep-all; }
.n-meta {
  font-family: var(--font-mono); font-size: 12px; color: var(--color-dim);
  display: flex; flex-wrap: wrap; gap: 6px 16px;
  padding-bottom: 28px; border-bottom: 1px solid var(--color-border);
}

/* ── 본문 ── */
.n-article h2 {
  font-family: var(--font-head); font-size: 1.45rem; letter-spacing: -0.02em;
  color: var(--color-strong); margin: 64px 0 16px;
  scroll-margin-top: 80px; word-break: keep-all;
}
.n-article h3 {
  font-size: 1.1rem; color: var(--color-strong);
  margin: 40px 0 12px; scroll-margin-top: 80px;
}
.n-article p, .n-article li { word-break: keep-all; }
.n-article ul, .n-article ol { padding-left: 1.3rem; }
.n-article li { margin: 6px 0; }
.n-article li > ul { margin: 4px 0; }
.n-article strong { color: var(--color-strong); }
.n-article hr { border: 0; border-top: 1px solid var(--color-border); margin: 56px 0; }

/* 인라인 코드 */
.n-article :not(pre) > code {
  font-family: var(--font-mono); font-size: 0.86em;
  padding: 0.12em 0.4em; border-radius: 5px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.16);
  color: #bae6fd; overflow-wrap: anywhere;
}

/* 코드 블록 */
.n-code { margin: 20px 0; border: 1px solid var(--color-border); border-radius: 12px; overflow: hidden; background: #0b0b22; }
.n-code-name {
  font-family: var(--font-mono); font-size: 11.5px; color: var(--color-dim);
  padding: 8px 14px; border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
  overflow-x: auto; white-space: nowrap;
}
.n-code pre { margin: 0; overflow-x: auto; }
.n-code pre code.hljs,
.n-code pre code {
  display: block; padding: 16px; background: transparent;
  font-family: var(--font-mono); font-size: 13px; line-height: 1.65;
  tab-size: 2;
}

/* 콜아웃 */
.n-callout {
  margin: 24px 0; padding: 14px 18px;
  border: 1px solid rgba(56, 189, 248, 0.28); border-radius: 12px;
  background: rgba(56, 189, 248, 0.05);
  box-shadow: inset 0 0 20px -15px rgba(56, 189, 248, 0.9);
}
.n-callout p { margin: 0; }
.n-callout p + p { margin-top: 8px; }
.n-callout-title {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--neon); margin-bottom: 6px !important;
}

/* ── 목차 ── */
.n-toc {
  font-size: 13.5px;
  border: 1px solid var(--color-border); border-radius: 12px;
  padding: 16px 18px; background: var(--color-surface);
  margin: 32px 0 0;
}
.n-toc-title {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--color-dim); margin: 0 0 10px;
}
.n-toc ol { list-style: none; margin: 0; padding: 0; }
.n-toc li { margin: 0; }
.n-toc a { display: block; padding: 4px 0; color: var(--color-muted); }
.n-toc a:hover { color: var(--color-strong); text-decoration: none; }
.n-toc a.is-active { color: var(--link); }
.n-aside { display: none; }
@media (min-width: 1080px) {
  .n-aside { display: block; }
  .n-aside .n-toc { position: sticky; top: 88px; margin: 0; }
  .n-toc-inline { display: none; }
}

/* ── 노트 목록 ── */
.n-article .n-list { list-style: none; margin: 0; padding: 0; }
.n-article .n-list-group {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--color-muted);
  margin: 48px 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--color-border);
}
.n-card {
  display: block; padding: 18px 20px; margin: 10px 0;
  border: 1px solid var(--color-border); border-radius: 14px;
  background: var(--color-surface);
  transition: border-color 0.18s ease;
}
.n-card:hover { border-color: rgba(56, 189, 248, 0.4); text-decoration: none; }
.n-card-title { color: var(--color-strong); font-weight: 700; font-size: 1.05rem; word-break: keep-all; }
.n-card-desc { color: var(--color-muted); font-size: 0.92rem; margin-top: 4px; word-break: keep-all; }
.n-card-meta { font-family: var(--font-mono); font-size: 11.5px; color: var(--color-dim); margin-top: 10px; }

/* ── 바닥 ── */
.n-foot {
  margin-top: 80px; padding-top: 24px; border-top: 1px solid var(--color-border);
  font-family: var(--font-mono); font-size: 12px; color: var(--color-dim);
  display: flex; flex-wrap: wrap; gap: 8px 20px;
}

::-webkit-scrollbar       { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: rgba(37,99,235,0.35); border-radius: 4px; }

/* JS 가 없으면 목차가 비므로 숨긴다 */
.n-toc:has(ol:empty) { display: none; }

/* ── 표 ──
   좁은 화면에서는 표만 가로로 스크롤한다(페이지는 넘치지 않는다). */
.n-table { margin: 20px 0; overflow-x: auto; border: 1px solid var(--color-border); border-radius: 12px; }
.n-table table { width: 100%; border-collapse: collapse; font-size: 14px; line-height: 1.6; }
.n-table th, .n-table td {
  padding: 10px 14px; text-align: left; vertical-align: top;
  border-bottom: 1px solid var(--color-border); word-break: keep-all;
}
.n-table tr:last-child td { border-bottom: 0; }
.n-table th {
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-dim);
  background: rgba(255, 255, 255, 0.02); white-space: nowrap;
}
.n-table td.num, .n-table th.num { text-align: center; font-family: var(--font-mono); font-size: 13px; white-space: nowrap; }
.n-table td.win { color: var(--link); font-weight: 700; background: rgba(56, 189, 248, 0.06); }
.n-table-note { font-size: 13px; color: var(--color-dim); margin-top: -8px; }

/* ── 숫자 요약 ── */
.n-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin: 24px 0; }
.n-stat { border: 1px solid var(--color-border); border-radius: 12px; padding: 14px 16px; background: var(--color-surface); }
.n-stat b { display: block; font-family: var(--font-head); font-size: 1.35rem; color: var(--color-strong); letter-spacing: -0.02em; }
.n-stat span { font-size: 12.5px; color: var(--color-muted); }

/* 저장소 링크 카드 */
.n-repo {
  display: flex; align-items: center; gap: 12px; margin: 24px 0;
  padding: 14px 18px; border-radius: 12px;
  border: 1px solid rgba(56, 189, 248, 0.28); background: rgba(56, 189, 248, 0.05);
}
.n-repo:hover { text-decoration: none; border-color: rgba(56, 189, 248, 0.6); }
.n-repo-name { font-family: var(--font-mono); font-size: 14px; color: var(--link); word-break: break-all; }
.n-repo-desc { font-size: 13px; color: var(--color-muted); }