:root {
  --paper: #f7f3ec;
  --paper-raised: #fffdf8;
  --ink: #1f1b2c;
  --ink-soft: #55506a;
  --ink-faint: #8b8599;
  --line: #e4ddcf;
  --ember: #d15a28;
  --amber: #b8790f;
  --dawn-1: #f0a03c;
  --dawn-2: #d15a28;
  --dawn-3: #7c4a8d;
  --tech: #3a4db0;
  --dev: #1f8a70;
  --econ: #a9741a;
  --aus: #b8480f;
  --seed: #2f8f5b;
  --shadow: 0 1px 2px rgba(31,27,44,.05), 0 6px 22px rgba(31,27,44,.06);
  --modal-shadow: 0 12px 48px rgba(31,27,44,.22);
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #131220;
    --paper-raised: #1b1a2b;
    --ink: #ece8e0;
    --ink-soft: #b3aec6;
    --ink-faint: #7d7794;
    --line: #2b2940;
    --ember: #f08149;
    --amber: #e0a340;
    --tech: #8ea0f5;
    --dev: #57c9a8;
    --econ: #e0b354;
    --aus: #f0955a;
    --seed: #5cc98a;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 30px rgba(0,0,0,.35);
    --modal-shadow: 0 12px 48px rgba(0,0,0,.55);
  }
}

:root { --baby: #3f82c4; }
@media (prefers-color-scheme: dark) { :root { --baby: #8fb8e6; } }
:root[data-theme="light"] { --baby: #3f82c4; }
:root[data-theme="dark"] { --baby: #8fb8e6; }

:root { --tip: #8a5cb8; }
@media (prefers-color-scheme: dark) { :root { --tip: #b794e6; } }
:root[data-theme="light"] { --tip: #8a5cb8; }
:root[data-theme="dark"] { --tip: #b794e6; }

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  /* 한글은 기본값이면 어절 중간에서 줄바꿈된다 — 띄어쓰기 단위로만 끊는다 */
  word-break: keep-all;
  overflow-wrap: break-word;
}
.serif { font-family: "Iowan Old Style", "Apple Garamond", Georgia, "Times New Roman", serif; }
.wrap { max-width: 860px; margin: 0 auto; padding: 32px 22px 80px; }

/* 우상단 설정 버튼 */
.settings-btn {
  position: fixed; top: 16px; right: 16px; z-index: 20;
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center; cursor: pointer;
  background: var(--paper-raised); color: var(--ink-soft);
  border: 1px solid var(--line); box-shadow: var(--shadow);
  font-size: 20px; line-height: 1; transition: transform .15s, color .15s;
}
.settings-btn:hover { color: var(--ember); transform: rotate(30deg); }
.settings-btn:focus-visible { outline: 2px solid var(--ember); outline-offset: 2px; }

.masthead { position: relative; padding-top: 26px; margin-bottom: 8px; }
.dawnband {
  height: 5px; border-radius: 4px;
  background: linear-gradient(90deg, var(--dawn-3), var(--dawn-2) 55%, var(--dawn-1));
  margin-bottom: 22px;
}

/* 탭 네비 (NEWS ↔ 육아) */
.tabs { display: flex; gap: 8px; margin-bottom: 22px; }
.tab {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 15px; border-radius: 999px; text-decoration: none;
  font-size: 14px; font-weight: 650; color: var(--ink-soft);
  background: var(--paper-raised); border: 1px solid var(--line);
}
.tab:hover { color: var(--ink); }
.tab.active { color: #fff; border-color: transparent; background: linear-gradient(180deg, var(--dawn-1), var(--dawn-2)); }
.tab.active.baby { background: var(--baby); }
.tab.active.globe { background: linear-gradient(180deg, #3b4a86, #202a52); }
.tab.active.tip { background: var(--tip); }

/* 육아: 나이 히어로 */
.age-hero {
  margin: 26px 0 36px; padding: 26px; border-radius: 16px;
  background: color-mix(in srgb, var(--baby) 10%, var(--paper-raised));
  border: 1px solid color-mix(in srgb, var(--baby) 30%, var(--line));
  box-shadow: var(--shadow);
}
.age-hero .tag { font-size: 11.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--baby); font-weight: 700; }
.age-hero .age-num {
  font-size: clamp(34px, 7vw, 50px); font-weight: 800; letter-spacing: -.02em;
  margin: 8px 0 4px; color: var(--ink); font-variant-numeric: tabular-nums;
}
.age-hero .age-num b { color: var(--baby); }
.age-hero .age-sub { color: var(--ink-soft); font-size: 15px; margin: 0; }
.masthead .kicker {
  font-size: 12px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--ember); font-weight: 700;
}
.masthead h1 {
  font-size: clamp(38px, 8vw, 58px); line-height: 1.02; margin: 8px 0 14px;
  font-weight: 700; letter-spacing: -.01em; text-wrap: balance;
}
.metaline {
  display: flex; flex-wrap: wrap; gap: 14px; align-items: baseline;
  color: var(--ink-soft); font-size: 14px; border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line); padding: 12px 0;
  font-variant-numeric: tabular-nums;
}
.metaline b { color: var(--ink); font-weight: 600; }
.metaline .dot { color: var(--ink-faint); }
.metaline a { color: var(--ember); text-decoration: none; font-weight: 600; }
.metaline a:hover { text-decoration: underline; }

.featured {
  margin: 26px 0 40px; padding: 26px 26px 28px; border-radius: 16px;
  background:
    radial-gradient(120% 140% at 100% 0%, color-mix(in srgb, var(--dawn-1) 16%, var(--paper-raised)), var(--paper-raised) 60%);
  border: 1px solid var(--line); box-shadow: var(--shadow);
}
.featured .tag {
  font-size: 11.5px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--amber); font-weight: 700;
}
.featured h2 {
  font-size: clamp(23px, 4.5vw, 31px); line-height: 1.18; margin: 10px 0 10px;
  font-weight: 700; letter-spacing: -.01em; text-wrap: balance;
}
.featured p { margin: 0; color: var(--ink-soft); font-size: 16px; }
.featured .src { margin-top: 14px; font-size: 12.5px; color: var(--ink-faint); }

/* 새 관심사 기본기(primer) 블록 */
.primer {
  margin: 26px 0 40px; padding: 24px 26px; border-radius: 16px;
  border: 1px solid color-mix(in srgb, var(--seed) 40%, var(--line));
  background: color-mix(in srgb, var(--seed) 8%, var(--paper-raised));
  box-shadow: var(--shadow);
}
.primer .tag {
  font-size: 11.5px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--seed); font-weight: 700;
}
.primer h2 { font-size: clamp(21px, 4vw, 27px); margin: 10px 0; font-weight: 700; letter-spacing: -.01em; text-wrap: balance; }
.primer p { margin: 0 0 8px; color: var(--ink-soft); font-size: 15px; }

.section { margin-top: 38px; }
.section-head { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.section-head .badge {
  width: 30px; height: 30px; border-radius: 9px; flex: none;
  display: grid; place-items: center; font-size: 16px;
  background: color-mix(in srgb, var(--sc) 15%, transparent);
}
.section-head h3 {
  margin: 0; font-size: 15px; letter-spacing: .12em; text-transform: uppercase;
  font-weight: 700; color: var(--sc);
}
.section-head .rule { flex: 1; height: 1px; background: var(--line); }

.items { display: grid; gap: 2px; }
.item {
  display: grid; grid-template-columns: 26px 1fr; gap: 14px;
  padding: 15px 4px; border-top: 1px solid var(--line);
}
.item:first-child { border-top: none; }
.item .num {
  font-family: "Iowan Old Style", Georgia, serif;
  font-size: 15px; color: var(--sc); font-weight: 600; padding-top: 1px;
  font-variant-numeric: tabular-nums;
}
.item h4 { margin: 0 0 4px; font-size: 17px; font-weight: 650; line-height: 1.32; letter-spacing: -.005em; }
.item p { margin: 0; color: var(--ink-soft); font-size: 14.5px; }

/* ── 항목 접기/펼치기: 제목 + 요약 한 줄만 보이고, 누르면 본문 ── */
.item > details { min-width: 0; }
.item > details > summary {
  list-style: none; cursor: pointer;
  display: grid; grid-template-columns: 1fr 16px; gap: 10px; align-items: start;
  margin: -5px -5px 0; padding: 5px; border-radius: 9px;
}
.item > details > summary::-webkit-details-marker { display: none; }
/* 제목과 요약은 1열에 세로로 쌓는다 — 명시하지 않으면 요약이 16px짜리 2열로 흘러간다 */
.item > details > summary > h4,
.item > details > summary > .gist { grid-column: 1; }
.item > details > summary:hover h4 { color: var(--sc); }
.item > details > summary:hover { background: color-mix(in srgb, var(--sc) 5%, transparent); }
.item > details > summary:focus-visible { outline: 2px solid var(--sc); outline-offset: 1px; }
.item > details > summary::after {
  content: "▾"; grid-column: 2; grid-row: 1; justify-self: end; margin-top: 3px;
  font-size: 12px; line-height: 1; color: var(--ink-faint); transition: transform .18s;
}
.item > details[open] > summary::after { transform: rotate(180deg); color: var(--sc); }
.item .gist { display: block;
  margin: 3px 0 0; font-size: 13.5px; line-height: 1.5;
  color: var(--ink-faint); font-variant-numeric: tabular-nums;
}
.item > details[open] .gist { color: var(--sc); }
.item .detail {
  margin-top: 12px; padding: 2px 0 2px 13px;
  border-left: 2px solid color-mix(in srgb, var(--sc) 30%, var(--line));
  animation: detail-in .18s ease-out;
}
@keyframes detail-in { from { opacity: 0; transform: translateY(-3px); } to { opacity: 1; transform: none; } }

/* 눈길: 핵심 3줄은 항상 보이고, 전문은 접어둔다 */
.featured .keys { list-style: none; margin: 15px 0 2px; padding: 0; display: grid; gap: 8px; }
.featured .keys li {
  position: relative; padding-left: 21px; font-size: 15.5px; line-height: 1.5;
  color: var(--ink); font-variant-numeric: tabular-nums;
}
.featured .keys li::before {
  content: ""; position: absolute; left: 3px; top: .6em;
  width: 7px; height: 7px; border-radius: 50%; background: var(--amber);
}
.featured .more { margin-top: 16px; }
.featured .more > summary {
  list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 700; color: var(--amber);
}
.featured .more > summary::-webkit-details-marker { display: none; }
.featured .more > summary::after { content: "▾"; font-size: 11px; transition: transform .18s; }
.featured .more[open] > summary::after { transform: rotate(180deg); }
.featured .more > p { margin-top: 12px; }

/* 항목 액션: 원본 보기 / 더 파보기 */
.item-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }
.item-actions a, .item-actions button {
  font-size: 12.5px; font-weight: 600; color: var(--sc);
  background: none; border: none; padding: 0; cursor: pointer;
  text-decoration: none; font-family: inherit;
}
.item-actions a:hover, .item-actions button:hover { text-decoration: underline; }

.srcline { margin-top: 14px; font-size: 12px; color: var(--ink-faint); padding-left: 40px; }

footer {
  margin-top: 54px; padding-top: 20px; border-top: 1px solid var(--line);
  color: var(--ink-faint); font-size: 13px; line-height: 1.7;
}
footer b { color: var(--ink-soft); font-weight: 600; }
footer a { color: var(--ember); text-decoration: none; font-weight: 600; }
footer a:hover { text-decoration: underline; }

/* 설정 모달 */
.modal-overlay {
  position: fixed; inset: 0; z-index: 30; display: none;
  background: rgba(20,17,32,.5); backdrop-filter: blur(3px);
  align-items: flex-start; justify-content: center; padding: 60px 18px 24px;
  overflow-y: auto;
}
.modal-overlay.open { display: flex; }
.modal {
  width: 100%; max-width: 460px; background: var(--paper-raised);
  border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--modal-shadow);
  padding: 24px 24px 22px;
}
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.modal-head h3 { margin: 0; font-size: 18px; font-weight: 700; }
.modal-close { background: none; border: none; font-size: 22px; line-height: 1; color: var(--ink-faint); cursor: pointer; }
.modal-close:hover { color: var(--ink); }
.modal .lead { margin: 0 0 16px; font-size: 13.5px; color: var(--ink-soft); }
.modal .label { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); font-weight: 700; margin: 18px 0 8px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-size: 13px; font-weight: 600; padding: 6px 12px; border-radius: 999px;
  background: color-mix(in srgb, var(--ember) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--ember) 28%, var(--line));
  color: var(--ink);
}
.chip.pending {
  background: color-mix(in srgb, var(--seed) 10%, transparent);
  border: 1px dashed color-mix(in srgb, var(--seed) 40%, var(--line));
}
.modal textarea {
  width: 100%; min-height: 64px; resize: vertical; margin-top: 4px;
  font-family: inherit; font-size: 14.5px; line-height: 1.5; color: var(--ink);
  background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 11px 13px;
}
.modal textarea:focus-visible { outline: 2px solid var(--ember); outline-offset: 1px; }
.btn {
  margin-top: 12px; width: 100%; padding: 12px 16px; border-radius: 12px; cursor: pointer;
  font-family: inherit; font-size: 14.5px; font-weight: 700; color: #fff; border: none;
  background: linear-gradient(180deg, var(--dawn-1), var(--dawn-2));
}
.btn:hover { filter: brightness(1.05); }
.btn:disabled { opacity: .5; cursor: default; filter: none; }
.copy-note { margin: 10px 0 0; font-size: 13px; color: var(--seed); font-weight: 600; min-height: 18px; }
.modal .hint { margin: 14px 0 0; font-size: 12px; color: var(--ink-faint); line-height: 1.6; }

/* 아카이브 목록 (archive/index.html) */
.arc-list { display: grid; gap: 2px; margin-top: 10px; }
.arc-item {
  display: flex; align-items: baseline; gap: 12px; padding: 13px 4px;
  border-top: 1px solid var(--line); text-decoration: none; color: var(--ink);
}
.arc-item:first-child { border-top: none; }
.arc-item .arc-date { font-variant-numeric: tabular-nums; font-weight: 650; font-size: 16px; }
.arc-item .arc-day { color: var(--ink-faint); font-size: 13px; }
.arc-item:hover .arc-date { color: var(--ember); }

@media (max-width: 520px) {
  .item { grid-template-columns: 22px 1fr; gap: 11px; }
  .srcline { padding-left: 0; }
}