:root {
  --ink: #16202b;
  --muted: #5b6b7c;
  --line: #d8e0e8;
  --brand: #14507a;
  --brand-soft: #eef4f9;
  --warn: #8a4b00;
  --ok: #1c6b3f;
  --bg: #ffffff;
  --radius: 10px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
  overflow-wrap: break-word;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

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

h1 { font-size: 1.6rem; line-height: 1.35; margin: 24px 0 12px; }
h2 { font-size: 1.2rem; margin: 28px 0 10px; }
h3 { font-size: 1.03rem; margin: 18px 0 8px; }
p { margin: 0 0 12px; }
ul, ol { padding-left: 1.2em; }
li { margin: 4px 0; }

.site-head { border-bottom: 1px solid var(--line); background: #fff; }
.site-head .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: baseline; padding-top: 12px; padding-bottom: 10px; }
.brand { display: flex; flex-direction: column; text-decoration: none; color: var(--ink); }
.brand strong { font-size: 1.15rem; }
.brand span { color: var(--muted); font-size: .82rem; }
.site-head nav ul { display: flex; flex-wrap: wrap; gap: 4px 14px; list-style: none; margin: 0; padding: 0; font-size: .92rem; }
.site-head nav a { text-decoration: none; }
.site-head nav a[aria-current="page"] { font-weight: 700; text-decoration: underline; }

.crumbs { max-width: 1080px; margin: 12px auto -8px; padding: 0 16px; font-size: .84rem; color: var(--muted); }

main { padding-bottom: 40px; }

.hero p { max-width: 62ch; }
.tagline { color: var(--muted); }

.verify-box, .verify-list-box { background: var(--brand-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px; }
.verify-list { margin: 6px 0 0; padding-left: 1.2em; font-size: .93rem; }

.search-box { background: var(--brand-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.search-box label { display: block; font-size: .9rem; color: var(--muted); }
.search-box input, .panel input[type="search"] { width: 100%; max-width: 420px; padding: 10px 12px; margin: 8px 0; font-size: 1rem; border: 1px solid var(--line); border-radius: 8px; }
.search-results { list-style: none; padding: 0; margin: 4px 0 0; }
.search-results li { border-top: 1px solid var(--line); padding: 6px 0; font-size: .95rem; }
.search-results li:first-child { border-top: 0; }

.link-btn { background: none; border: 0; padding: 0; color: var(--brand); font: inherit; cursor: pointer; text-decoration: underline; }
.link-btn:disabled { color: var(--muted); cursor: default; text-decoration: none; }

.cards { list-style: none; padding: 0; display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.cards li { border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; display: flex; flex-direction: column; gap: 2px; }
.cards .when { color: var(--muted); font-size: .9rem; }
.cards .who { font-size: .95rem; }
.cards .dday { color: var(--warn); font-weight: 700; font-size: .9rem; }

.link-list { list-style: none; padding: 0; display: grid; gap: 6px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }

.steps ol { counter-reset: step; list-style: none; padding: 0; }
.steps li { border-left: 3px solid var(--brand); padding: 4px 0 4px 12px; margin: 12px 0; }
.steps h3 { margin: 0 0 4px; }

.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: .92rem; }
caption { caption-side: top; text-align: left; padding: 8px 10px; color: var(--muted); font-size: .85rem; }
th, td { border-bottom: 1px solid var(--line); padding: 7px 9px; text-align: left; vertical-align: top; white-space: normal; }
thead th { background: var(--brand-soft); position: sticky; top: 0; }
tbody th { font-weight: 600; white-space: nowrap; }
.data-table td, .data-table th { min-width: 84px; }

.na { color: var(--warn); font-size: .88rem; }
.muted { color: var(--muted); }
.chk { color: var(--muted); font-size: .85rem; }

details { border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 12px; margin: 8px 0; }
details summary { cursor: pointer; font-weight: 600; }
.faq details p { margin-top: 8px; }

.related { border-top: 1px solid var(--line); margin-top: 28px; padding-top: 12px; }
.related ul { list-style: none; padding: 0; display: grid; gap: 6px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

.ad-slot { margin: 22px 0; min-height: 0; }
.affiliate-slot { margin: 18px 0; }
.commentary p { max-width: 68ch; }

.panel { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-top: 12px; }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tabs button { padding: 8px 14px; border: 1px solid var(--line); background: #fff; border-radius: 999px; cursor: pointer; font: inherit; font-size: .93rem; }
.tabs button.on { background: var(--brand); color: #fff; border-color: var(--brand); }
.todo { background: var(--brand-soft); border-radius: var(--radius); padding: 10px 12px; font-weight: 600; }

.timeline { list-style: none; padding: 0; display: grid; gap: 6px; }
.timeline li { border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 12px; display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: baseline; }
.timeline li.soon { border-color: var(--warn); }
.timeline li.now { background: var(--brand-soft); border-color: var(--brand); }
.timeline .dday { font-weight: 700; color: var(--warn); min-width: 74px; }
.timeline li.now .dday { color: var(--brand); }
.timeline .when { color: var(--muted); font-size: .9rem; }

.two-col { display: grid; gap: 18px; grid-template-columns: 1fr 1.4fr; }
.widget { width: 100%; max-width: 260px; aspect-ratio: 1 / 1; border: 2px solid var(--brand); border-radius: 18px; padding: 14px; display: flex; flex-direction: column; justify-content: center; gap: 6px; background: var(--brand-soft); }
.widget .w-title { margin: 0; font-size: .85rem; color: var(--muted); }
.widget .w-dday { margin: 0; font-size: 1.6rem; font-weight: 800; color: var(--brand); }
.widget .w-when { margin: 0; font-size: .9rem; }
.widget .w-none { margin: 0; color: var(--muted); }

.subject-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.subject-card h3 { margin-top: 0; }
.row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.btn { display: inline-block; padding: 10px 16px; border: 0; border-radius: 8px; background: var(--brand); color: #fff; cursor: pointer; font: inherit; text-decoration: none; }
.btn.ghost { background: #fff; color: var(--brand); border: 1px solid var(--brand); }
.btn:disabled { opacity: .55; cursor: default; }

.switches { display: grid; gap: 8px; }
.switch { display: flex; gap: 8px; align-items: center; border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 12px; }
.picker { display: block; margin-top: 12px; font-size: .93rem; color: var(--muted); }
.picker select { padding: 8px 10px; font-size: 1rem; border: 1px solid var(--line); border-radius: 8px; margin-left: 6px; }

.site-foot { border-top: 1px solid var(--line); background: #fafcfd; margin-top: 40px; padding: 20px 0 30px; font-size: .9rem; }
.foot-sources ul { list-style: none; padding: 0; }
.checked-line { color: var(--muted); }
.foot-links ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 16px; }
.disclaimer { color: var(--muted); margin-top: 14px; }

@media (max-width: 720px) {
  .two-col { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  h1 { font-size: 1.35rem; }
  body { font-size: 15.5px; }
  .site-head nav ul { gap: 4px 10px; font-size: .88rem; }
  table { font-size: .86rem; }
  .data-table td, .data-table th { min-width: 72px; padding: 6px 7px; }
  .cards { grid-template-columns: 1fr; }
  .panel { padding: 12px; }
  .widget { max-width: 100%; }
}