/* 글꼴은 CDN 대신 저장소에 담아 함께 배포합니다(가이드 3장 — 사내망에서 CDN이 막혀도 동작).
   Pretendard Variable 1.3.9, SIL Open Font License 1.1 (assets/fonts/Pretendard-LICENSE.txt) */
@font-face {
  font-family: 'Pretendard';
  font-weight: 45 920;
  font-style: normal;
  font-display: swap;
  src: url('/assets/fonts/PretendardVariable.woff2') format('woff2-variations'),
       url('/assets/fonts/PretendardVariable.woff2') format('woff2');
}

:root {
  --navy: #1e3a8a;
  --navy-dark: #172e6e;
  --amber: #ea580c;
  --ink: #1e293b;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #f8fafc;
  --ok: #15803d;
  --ok-bg: #dcfce7;
  --bad: #b91c1c;
  --bad-bg: #fee2e2;
  --warn: #92400e;
  --warn-bg: #fef3c7;
  --soft: #f1f5f9;
}
* { box-sizing: border-box; }
html { font-size: 16px; }
body {
  margin: 0;
  font-family: 'Pretendard', 'Malgun Gothic', '맑은 고딕', system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  word-break: keep-all;
}
a { color: var(--navy); }
.topbar {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px 16px;
  padding: 12px 24px; background: var(--navy); color: #fff;
}
.brand { font-weight: 800; font-size: 18px; color: #fff; text-decoration: none; }
.nav { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; }
.nav a, .nav button {
  color: #fff; text-decoration: none; font-size: 15px; padding: 6px 12px; border-radius: 8px;
  background: transparent; border: 0; cursor: pointer; font-family: inherit;
}
.nav a:hover, .nav button:hover, .nav a.on { background: rgba(255, 255, 255, .16); }
.nav .who { font-size: 14px; opacity: .85; padding: 0 8px; }
.nav .sep { width: 1px; height: 20px; background: rgba(255, 255, 255, .3); margin: 0 6px; }

#view:focus { outline: none; }
.wrap { max-width: 960px; margin: 0 auto; padding: 36px 16px 80px; }
.wrap.narrow { max-width: 440px; }
h1 { font-size: 28px; margin: 0 0 8px; font-weight: 800; }
h2 { font-size: 21px; margin: 0 0 12px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 24px; box-shadow: 0 4px 16px rgba(15, 23, 42, .05); margin-bottom: 20px;
}
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

form .field { margin-bottom: 16px; }
label { display: block; font-weight: 600; margin-bottom: 6px; }
.hint { font-size: 14px; color: var(--muted); margin-top: 4px; }
input[type=text], input[type=password] {
  width: 100%; font: inherit; font-size: 16px; padding: 10px 12px;
  border: 1px solid #cbd5e1; border-radius: 10px; background: #fff; color: var(--ink);
}
input:focus { outline: 3px solid rgba(30, 58, 138, .25); border-color: var(--navy); }
.check { display: flex; align-items: center; gap: 8px; font-weight: 500; }

button.btn {
  font: inherit; font-size: 16px; font-weight: 600; padding: 10px 18px; border-radius: 10px;
  border: 1px solid var(--navy); background: var(--navy); color: #fff; cursor: pointer;
}
button.btn:hover { background: var(--navy-dark); }
button.btn.ghost { background: #fff; color: var(--navy); }
button.btn.ghost:hover { background: var(--soft); }
button.btn.danger { background: #fff; color: var(--bad); border-color: var(--bad); }
button.btn.sm { font-size: 14px; padding: 5px 10px; }
button.btn:disabled { opacity: .5; cursor: not-allowed; }
button.btn.full { width: 100%; }

.msg { border-radius: 10px; padding: 10px 14px; margin-bottom: 16px; font-weight: 600; }
.msg.error { background: var(--bad-bg); color: var(--bad); }
.msg.ok { background: var(--ok-bg); color: var(--ok); }
.msg.info { background: var(--soft); color: var(--ink); font-weight: 500; }

.badge { display: inline-block; font-size: 13px; font-weight: 700; padding: 1px 9px; border-radius: 999px; white-space: nowrap; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.bad { background: var(--bad-bg); color: var(--bad); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.opt { background: var(--soft); color: var(--muted); }
.badge.admin { background: #e0e7ff; color: var(--navy); }

table.list { width: 100%; border-collapse: collapse; font-size: 15px; }
table.list th { text-align: left; font-weight: 600; color: var(--muted); font-size: 14px; padding: 8px 10px; border-bottom: 2px solid var(--line); }
table.list td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.list td.actions { white-space: nowrap; }
table.list td.actions button { margin: 2px; }
.table-scroll { overflow-x: auto; }

.empty { text-align: center; padding: 48px 16px; color: var(--muted); }
.empty strong { display: block; color: var(--ink); font-size: 18px; margin-bottom: 6px; }

.checks { list-style: none; margin: 0; padding: 0; }
.checks li { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center; padding: 12px 0; border-top: 1px solid var(--line); }
.checks .label { font-weight: 600; }
.checks .msgline { grid-column: 1 / -1; font-size: 14px; color: var(--muted); }
.summary { font-weight: 700; font-size: 17px; margin: 12px 0 8px; }
.summary.ok { color: var(--ok); }
.summary.bad { color: var(--bad); }

.tabs { display: flex; gap: 4px; margin-bottom: 12px; }
.tabs button { font: inherit; font-size: 15px; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line); background: #fff; cursor: pointer; }
.tabs button.on { background: var(--navy); border-color: var(--navy); color: #fff; }

@media (max-width: 640px) {
  .topbar { padding: 10px 16px; }
  .wrap { padding: 24px 16px 60px; }
  h1 { font-size: 24px; }
  .card { padding: 18px; }
  table.list.stack thead { display: none; }
  table.list.stack tr { display: block; border-bottom: 1px solid var(--line); padding: 8px 0; }
  table.list.stack td { display: block; border: 0; padding: 3px 0; }
  table.list.stack td[data-label]::before { content: attr(data-label) ' · '; color: var(--muted); font-size: 13px; }
}

/* ── 2단계: 새로 만들기 · 특성 카드 ── */
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
label.btn { display: inline-block; font-size: 16px; font-weight: 600; padding: 10px 18px; border-radius: 10px; border: 1px solid var(--navy); background: #fff; color: var(--navy); cursor: pointer; margin: 0; }
a.btn { display: inline-block; text-decoration: none; font-size: 16px; font-weight: 600; padding: 10px 18px; border-radius: 10px; border: 1px solid var(--navy); line-height: 1.5; }
a.btn.ghost { background: #fff; color: var(--navy); }
.dropzone {
  border: 2px dashed #94a3b8; border-radius: 14px; padding: 40px 20px; text-align: center;
  background: var(--soft); transition: background .15s, border-color .15s;
}
.dropzone.over { border-color: var(--navy); background: #e0e7ff; }
.dropzone.disabled { opacity: .5; pointer-events: none; }
.dropzone strong { display: block; font-size: 19px; margin: 6px 0 4px; }
.drop-icon { font-size: 40px; line-height: 1.2; }
.head-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.core { font-size: 19px; font-weight: 700; line-height: 1.6; margin: 0; }
.summary-list { margin: 0; padding-left: 22px; font-size: 17px; }
.summary-list li { margin-bottom: 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.chip { font-size: 14px; line-height: 1.4; padding: 4px 10px; border-radius: 999px; background: var(--soft); color: var(--muted); border: 1px solid var(--line); }
.chip.on { background: #e0e7ff; color: var(--navy); border-color: #c7d2fe; font-weight: 600; }
blockquote { margin: 0; padding: 10px 16px; border-left: 4px solid var(--amber); background: #fff7ed; }
pre.raw { white-space: pre-wrap; word-break: break-all; background: #0f172a; color: #e2e8f0; padding: 14px; border-radius: 10px; font-size: 13px; line-height: 1.5; margin-top: 12px; max-height: 360px; overflow: auto; }
.next-step { border-style: dashed; }
code { font-size: 14px; background: var(--soft); padding: 1px 6px; border-radius: 6px; }

/* ── 게시판 붙여넣기 시험 ── */
.pt-frame { width: 100%; height: 70vh; border: 1px solid var(--line); border-radius: 12px; margin-top: 12px; background: #fff; }