:root {
  --ink: #1b2430;
  --muted: #5b6676;
  --line: #dfe3ea;
  --bg: #f5f7fa;
  --card: #ffffff;
  --brand: #0f3d68;
  --brand-2: #1d6fb8;
  --error-bg: #fdecec;
  --error-ink: #8a1c1c;
  --info-bg: #eaf3fc;
  --info-ink: #0f3d68;
  --radius: 10px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main { flex: 1; padding-top: 2rem; padding-bottom: 3rem; }

.wrap { width: 100%; max-width: 880px; margin: 0 auto; padding: 0 1.25rem; }

a { color: var(--brand-2); }
a:hover { color: var(--brand); }

h1 { font-size: 1.6rem; line-height: 1.25; margin: 0 0 .75rem; }

.en { color: var(--muted); font-weight: normal; }
h1 .en { font-size: .75em; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }

/* header */
.topbar { background: var(--brand); color: #fff; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 64px; flex-wrap: wrap; padding-top: .5rem; padding-bottom: .5rem; }
.brand { color: #fff; text-decoration: none; font-weight: 700; font-size: 1.15rem; letter-spacing: .01em; display: flex; flex-direction: column; line-height: 1.2; }
.brand:hover { color: #fff; }
.brand-sub { font-weight: 400; font-size: .8rem; opacity: .85; }
.brand-sub .en { color: inherit; }
.nav { display: flex; align-items: center; gap: 1rem; font-size: .9rem; flex-wrap: wrap; }
.nav-user { opacity: .9; word-break: break-all; }
.inline { display: inline; margin: 0; }
.link-button { background: none; border: 1px solid rgba(255,255,255,.5); color: #fff; border-radius: 6px; padding: .3rem .7rem; cursor: pointer; font: inherit; }
.link-button .en { color: rgba(255,255,255,.75); }
.link-button:hover { background: rgba(255,255,255,.12); }

/* cards and forms */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.75rem; box-shadow: 0 1px 2px rgba(16,24,40,.04); }
.narrow { max-width: 480px; margin: 1rem auto; }
.form { display: flex; flex-direction: column; gap: .6rem; margin: 1.25rem 0; }
label { font-weight: 600; font-size: .95rem; }
input[type="email"], input[type="text"] { font: inherit; padding: .7rem .8rem; border: 1px solid #c7ced9; border-radius: 8px; width: 100%; }
input:focus { outline: 3px solid rgba(29,111,184,.25); border-color: var(--brand-2); }
.code-input { font-family: ui-monospace, Consolas, monospace; font-size: 1.5rem; letter-spacing: .35em; text-transform: uppercase; text-align: center; }
.button { font: inherit; font-weight: 600; background: var(--brand-2); color: #fff; border: 0; border-radius: 8px; padding: .75rem 1rem; cursor: pointer; margin-top: .4rem; }
.button .en { color: rgba(255,255,255,.8); }
.button:hover { background: var(--brand); }

.alert { border-radius: 8px; padding: .75rem 1rem; margin: 1rem 0; font-size: .95rem; }
.alert .en { color: inherit; opacity: .85; }
.alert-error { background: var(--error-bg); color: var(--error-ink); }
.alert-info { background: var(--info-bg); color: var(--info-ink); }

/* document list */
.doc-list { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: 1rem; }
.doc-link { display: flex; flex-direction: column; gap: .2rem; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem 1.5rem; text-decoration: none; color: var(--ink); transition: border-color .15s, box-shadow .15s; }
.doc-link:hover { border-color: var(--brand-2); box-shadow: 0 2px 8px rgba(16,24,40,.08); color: var(--ink); }
.doc-title { font-weight: 700; font-size: 1.15rem; color: var(--brand); }
.doc-meta { font-size: .875rem; color: var(--muted); margin-top: .35rem; }

/* document page */
.crumbs { margin: 0 0 1rem; font-size: .9rem; }
.crumbs a { text-decoration: none; }
.doc-header { border-bottom: 1px solid var(--line); padding-bottom: 1.25rem; margin-bottom: 1.5rem; }
.eyebrow { text-transform: uppercase; letter-spacing: .06em; font-size: .78rem; font-weight: 600; color: var(--brand-2); margin: 0 0 .4rem; }
.doc-facts { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1rem 0; }
.fact { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: .6rem 1rem; display: flex; flex-direction: column; min-width: 180px; }
.fact-label { font-size: .78rem; color: var(--muted); }
.fact-value { font-size: 1.15rem; font-weight: 700; color: var(--brand); }
.latest { margin: 0; display: inline-block; background: var(--info-bg); color: var(--info-ink); border-radius: 999px; padding: .35rem .9rem; font-size: .875rem; }
.latest .en { color: inherit; opacity: .85; }

.prose { overflow-wrap: anywhere; }
.prose h1, .prose h2, .prose h3 { line-height: 1.3; margin: 1.75rem 0 .6rem; }
.prose h2 { font-size: 1.25rem; }
.prose h3 { font-size: 1.05rem; }
.prose blockquote { margin: 1rem 0; padding: .6rem 1rem; border-left: 4px solid var(--brand-2); background: var(--info-bg); border-radius: 0 8px 8px 0; }
.prose blockquote p { margin: .25rem 0; }
.prose table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; margin: 1rem 0; }
.prose th, .prose td { border: 1px solid var(--line); padding: .5rem .75rem; text-align: left; vertical-align: top; }
.prose th { background: var(--bg); }
.prose code { background: var(--bg); padding: .1rem .3rem; border-radius: 4px; font-size: .9em; }

.footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; padding: 1.25rem 0; background: var(--card); }

@media (max-width: 560px) {
  main { padding-top: 1.25rem; }
  .card { padding: 1.25rem; }
  h1 { font-size: 1.35rem; }
  .fact { min-width: 0; flex: 1 1 100%; }
}

@media print {
  .topbar, .footer, .crumbs { display: none; }
  body { background: #fff; }
  .card { border: 0; box-shadow: none; padding: 0; }
}