:root {
  --ink: #16202c;
  --muted: #5c6b7a;
  --line: #d9e0e7;
  --bg: #f4f6f8;
  --surface: #ffffff;
  --brand: #14304f;
  --brand-ink: #ffffff;
  --accent: #0f6a8b;
  --accent-soft: #e4f1f6;
  --danger: #a4262c;
  --danger-soft: #fbeaea;
  --ok: #1d6f42;
  --ok-soft: #e6f4ec;
  --warn: #8a5a00;
  --warn-soft: #fbf1dc;
  --radius: 6px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.5 "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, "Malgun Gothic", sans-serif;
}
a { color: var(--accent); }
h1 { font-size: 22px; line-height: 1.3; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 0 0 12px; }
p { margin: 0 0 12px; }
code { font: 13px Consolas, Menlo, monospace; overflow-wrap: anywhere; }

.topbar {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 10px 24px; background: var(--brand); color: var(--brand-ink);
}
.topbar a { color: inherit; text-decoration: none; }
.brand { font-weight: 600; letter-spacing: .2px; }
.tag { font-size: 11px; font-weight: 700; letter-spacing: 1px; padding: 2px 6px; border: 1px solid currentColor; border-radius: 3px; }
.spacer { flex: 1; }
.who { font-size: 13px; opacity: .85; }
.link-button { background: none; border: 1px solid rgba(255,255,255,.45); color: inherit; padding: 4px 10px; border-radius: var(--radius); font: inherit; font-size: 13px; cursor: pointer; }
.link-button:hover { background: rgba(255,255,255,.12); }
.admin-theme .topbar { background: #2b2f36; }
.adminnav { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 14px; }
.adminnav a { opacity: .85; }
.adminnav a:hover { opacity: 1; text-decoration: underline; }

.page { max-width: 1120px; margin: 0 auto; padding: 24px; }
.narrow { max-width: 440px; margin: 48px auto; padding: 0 16px; }
.reading { max-width: 760px; margin: 0 auto; padding: 24px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; }
.subtle { color: var(--muted); font-size: 13px; }
.page-head { display: flex; align-items: flex-end; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }

label { display: block; font-size: 13px; font-weight: 600; margin: 0 0 4px; }
input[type=text], input[type=email], input[type=password], input[type=date], select, textarea {
  width: 100%; padding: 8px 10px; font: inherit; color: inherit; background: var(--surface);
  border: 1px solid #b8c3ce; border-radius: var(--radius);
}
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 1px;
}
textarea { min-height: 200px; }
.field { margin-bottom: 14px; }
.check { display: flex; gap: 8px; align-items: flex-start; font-weight: 400; font-size: 14px; }
.check input { margin-top: 4px; }
.code-input { letter-spacing: 4px; font-size: 18px !important; text-align: center; }
button.primary, a.primary {
  display: inline-block; padding: 8px 16px; background: var(--accent); color: #fff; border: 0; border-radius: var(--radius);
  font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
}
button.primary:hover, a.primary:hover { background: #0b566f; }
button.secondary, a.secondary {
  display: inline-block; padding: 6px 12px; background: var(--surface); color: var(--ink); border: 1px solid #b8c3ce;
  border-radius: var(--radius); font: inherit; font-size: 14px; cursor: pointer; text-decoration: none;
}
button.secondary:hover, a.secondary:hover { background: var(--bg); }
button.danger { padding: 6px 12px; background: var(--surface); color: var(--danger); border: 1px solid var(--danger); border-radius: var(--radius); font: inherit; font-size: 14px; cursor: pointer; }
button.danger:hover { background: var(--danger-soft); }
.full { width: 100%; }

.alert { padding: 10px 12px; border-radius: var(--radius); margin-bottom: 14px; font-size: 14px; }
.alert.error { background: var(--danger-soft); color: var(--danger); }
.alert.ok { background: var(--ok-soft); color: var(--ok); }
.alert.info { background: var(--accent-soft); color: #0b4f68; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 12px; color: var(--muted); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 9px 10px; border-bottom: 1px solid #edf0f3; vertical-align: top; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.nowrap { white-space: nowrap; }
.wrap-any { overflow-wrap: anywhere; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.bad { background: var(--danger-soft); color: var(--danger); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.mute { background: #e9edf1; color: var(--muted); }
.inline-form { display: inline; }
.grid-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(190px, 100%), 1fr)); gap: 12px; align-items: end; }
.grid-form .field { margin: 0; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.stat b { display: block; font-size: 24px; font-weight: 600; font-variant-numeric: tabular-nums; }
.stat span { font-size: 13px; color: var(--muted); }
.pager { display: flex; gap: 8px; margin-top: 12px; }

.crumbs { font-size: 13px; color: var(--muted); margin-bottom: 6px; overflow-wrap: anywhere; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }
.list { list-style: none; margin: 0; padding: 0; }
.list li { border-bottom: 1px solid #edf0f3; }
.list li:last-child { border-bottom: 0; }
.list a { display: flex; gap: 10px; align-items: baseline; padding: 11px 4px; text-decoration: none; color: inherit; }
.list a:hover { background: var(--bg); }
.list .name { flex: 1; overflow-wrap: anywhere; }
.list .meta { color: var(--muted); font-size: 13px; white-space: nowrap; }
.kind { font-size: 11px; font-weight: 700; color: var(--accent); width: 34px; flex: none; }
.empty { color: var(--muted); padding: 24px 4px; text-align: center; }

.terms-body { white-space: pre-wrap; max-height: 46vh; overflow-y: auto; padding: 14px; border: 1px solid var(--line); border-radius: var(--radius); background: #fbfcfd; font-size: 14px; margin-bottom: 14px; }
.qr { text-align: center; margin: 12px 0; }
.qr svg { max-width: 220px; width: 100%; height: auto; background: #fff; }
.secret { display: block; padding: 8px; background: var(--bg); border-radius: var(--radius); text-align: center; margin-bottom: 14px; }

/* 문서 열람 */
.viewer-body { background: #3a4048; }
.viewer-bar {
  position: sticky; top: 0; z-index: 5; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px;
  padding: 8px 16px; background: #23272d; color: #fff; font-size: 14px;
}
.viewer-bar a { color: #fff; }
.viewer-title { flex: 1 1 240px; min-width: 0; overflow-wrap: anywhere; font-weight: 600; }
.viewer-tools { display: flex; align-items: center; gap: 6px; }
.viewer-tools button { background: #3a4048; color: #fff; border: 0; border-radius: 4px; width: 32px; height: 30px; font: inherit; cursor: pointer; }
.viewer-tools button:hover { background: #4c535c; }
.pages { margin: 0 auto; padding: 16px 8px 48px; max-width: 980px; }
.pages.zoom-1 { max-width: 720px; }
.pages.zoom-3 { max-width: 1280px; }
.pages.zoom-4 { max-width: 1680px; }
.page-image { display: block; width: 100%; height: auto; aspect-ratio: auto 210 / 297; margin: 0 auto 12px; background: #fff; user-select: none; -webkit-user-drag: none; }

@media print { .pages, .viewer-bar { display: none; } }
@media (max-width: 600px) {
  .page, .reading { padding: 16px; }
  .topbar { padding: 10px 16px; }
  .narrow { margin: 24px auto; }
  .card { padding: 16px; }
  .list a { flex-wrap: wrap; }
  .list .name { flex: 1 1 60%; }
  .list .meta { flex: 1 1 100%; white-space: normal; padding-left: 44px; }
  .who { flex: 1 1 100%; order: 3; }
  .spacer { display: none; }
  .topbar .inline-form { margin-left: auto; }
  input[type=date] { min-width: 0; }
}
.section-gap { margin-top: 20px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
td.wrap-any { min-width: 150px; }
.index { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; flex: none; }
textarea.short { min-height: 96px; }
.page-jump { display: flex; align-items: center; gap: 6px; margin: 0; }
.page-jump label { font-size: 14px; font-weight: 400; margin: 0; }
.page-jump input { width: 72px; padding: 3px 6px; background: #3a4048; color: #fff; border: 1px solid #5a616b; border-radius: 4px; font: inherit; }
.viewer-status { padding: 8px 16px; background: var(--warn-soft); color: var(--warn); font-size: 14px; }
.viewer-status[hidden] { display: none; }
.page-image.page-failed { min-height: 240px; outline: 2px dashed #e0b45c; outline-offset: -8px; }
.pages.rotate-90 .page-image { transform: rotate(90deg); margin: 18% auto; }
.pages.rotate-180 .page-image { transform: rotate(180deg); }
.pages.rotate-270 .page-image { transform: rotate(270deg); margin: 18% auto; }
@media print { .viewer-status { display: none; } }