:root {
  --bg: #f4f1ea;
  --ink: #1c241c;
  --muted: #5c675c;
  --line: #d9d2c5;
  --nav: #143326;
  --accent: #2f6b4f;
  --danger: #a33b2b;
  --card: #fffdf8;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; font: 15px/1.45 "Pretendard", "Noto Sans KR", sans-serif; color: var(--ink); background: var(--bg); }
a { color: var(--accent); }
code { background: #ece7dc; padding: 0 .25em; }
body { display: flex; min-height: 100vh; }
.nav { width: 220px; background: var(--nav); color: #e8efe9; display: flex; flex-direction: column; padding: 22px 16px; position: sticky; top: 0; height: 100vh; }
.brand { color: #fff; font-weight: 700; font-size: 18px; text-decoration: none; margin-bottom: 28px; }
.brand span { opacity: .6; font-weight: 500; margin-left: 6px; }
.nav nav a { display: block; color: #c5d4cb; text-decoration: none; padding: 9px 10px; border-radius: 8px; margin-bottom: 4px; }
.nav nav a.on, .nav nav a:hover { background: #1e4a38; color: #fff; }
.nav-foot { margin-top: auto; font-size: 13px; color: #9fb5a8; }
.linkish { background: none; border: 0; color: #c5d4cb; cursor: pointer; padding: 0; }
.main { flex: 1; padding: 32px 40px 64px; min-width: 0; }
h1 { margin: 0 0 8px; font-size: 26px; }
h2 { font-size: 16px; margin: 0 0 10px; }
.lead { color: var(--muted); margin: 0 0 22px; max-width: 72ch; }
.banner, .flash, .alert { padding: 10px 12px; border-radius: 8px; margin-bottom: 16px; }
.banner { background: #efe4c4; }
.flash.ok, .alert { background: #dceee3; }
.flash.err, .alert { background: #f6ddd8; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px; text-decoration: none; color: inherit; }
.card b { display: block; font-size: 28px; }
.card span { color: var(--muted); font-size: 13px; }
.row-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.filters, .inline-form { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
input, select, textarea, button { font: inherit; }
input, select, textarea { border: 1px solid var(--line); background: #fff; padding: 8px 10px; border-radius: 8px; width: 100%; }
.btn, .btn-primary { display: inline-block; border: 1px solid var(--line); background: #fff; padding: 8px 14px; border-radius: 8px; cursor: pointer; text-decoration: none; color: inherit; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.danger { background: var(--danger); color: #fff; border-color: var(--danger); }
table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); font-size: 13.5px; }
th { background: #efeae0; font-weight: 600; }
tr.off { opacity: .45; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin: 0 0 22px; }
.panel.warn { border-color: #e2c2ba; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 18px; max-width: 920px; }
.form-grid .wide { grid-column: 1 / -1; }
.form-grid label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.checks, .quad { display: flex; gap: 16px; flex-wrap: wrap; }
.checks label { flex-direction: row; align-items: center; color: var(--ink); }
.actions { display: flex; gap: 10px; margin-top: 8px; }
.auth-body { display: block; background: var(--nav); }
.auth-card { max-width: 380px; margin: 12vh auto; background: var(--card); padding: 32px; border-radius: 16px; }
.auth-kicker { letter-spacing: .12em; text-transform: uppercase; font-size: 11px; color: var(--accent); margin: 0; }
.auth-sub, .hint { color: var(--muted); font-size: 13px; }
.auth-card form { display: flex; flex-direction: column; gap: 8px; margin-top: 18px; }
.auth-card .btn-primary { margin-top: 8px; }
@media (max-width: 800px) {
  body { display: block; }
  .nav { width: auto; height: auto; position: static; }
  .form-grid { grid-template-columns: 1fr; }
}