:root {
  --navy: #0b3a5b;
  --navy-2: #0f4c75;
  --gold: #c9a227;
  --bg: #eef3f8;
  --card: #fff;
  --text: #1b2430;
  --muted: #5b6b7c;
  --line: #d7e2ec;
  --ok: #0a7a3e;
  --bad: #b42318;
  --warn: #9a6700;
  --side: 260px;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: Tahoma, "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--navy-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--side);
  background: linear-gradient(180deg, #082c44 0%, var(--navy) 45%, #071f31 100%);
  color: #fff;
  padding: 22px 14px;
  flex-shrink: 0;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 10px 22px;
  border-bottom: 1px solid rgba(255,255,255,.12);
  margin-bottom: 16px;
}
.brand-mark {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--gold); color: #1b2430;
  display: grid; place-items: center; font-weight: 700;
}
.brand small { display: block; opacity: .7; font-size: 11px; }
.nav a {
  display: block; color: #dce8f3; padding: 10px 12px; border-radius: 8px;
  margin: 3px 0; text-decoration: none;
}
.nav a:hover, .nav a.active { background: rgba(255,255,255,.12); color: #fff; text-decoration: none; }
.nav .sec { font-size: 11px; opacity: .5; padding: 14px 12px 6px; }

.main { flex: 1; min-width: 0; }
.topbar {
  background: #fff; border-bottom: 1px solid var(--line);
  padding: 14px 22px; display: flex; justify-content: space-between; align-items: center;
}
.topbar h1 { margin: 0; font-size: 18px; }
.wrap { padding: 22px; max-width: 1280px; }
.grid { display: grid; gap: 14px; }
.g-4 { grid-template-columns: repeat(4, 1fr); }
.g-2 { grid-template-columns: 1fr 1fr; }
.g-3 { grid-template-columns: 1.2fr .8fr; }
@media (max-width: 980px) {
  .shell { display: block; }
  .sidebar { width: auto; }
  .g-4, .g-3, .g-2 { grid-template-columns: 1fr; }
}

.stat, .card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
}
.stat { padding: 16px; }
.stat span { color: var(--muted); font-size: 13px; }
.stat strong { display: block; font-size: 26px; margin-top: 6px; }
.card { padding: 18px; margin-bottom: 16px; }
.card h3 { margin: 0 0 14px; font-size: 16px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: right; padding: 10px 8px; border-bottom: 1px solid #edf1f5; font-size: 14px; vertical-align: middle; }
th { color: var(--muted); font-weight: 600; font-size: 12px; }
.ok { color: var(--ok); } .bad { color: var(--bad); } .muted { color: var(--muted); }
.badge { display: inline-block; padding: 3px 8px; border-radius: 999px; font-size: 12px; }
.badge-ok { background: #e8f6ee; color: var(--ok); }
.badge-bad { background: #fdecea; color: var(--bad); }
.badge-warn { background: #fff4d6; color: var(--warn); }
.badge-info { background: #e8f1fb; color: var(--navy-2); }

input, select, textarea, button, .btn {
  font: inherit;
}
input, select, textarea {
  width: 100%; padding: 9px 10px; border: 1px solid var(--line); border-radius: 8px;
  margin: 4px 0 12px; background: #fff;
}
label { font-size: 13px; color: var(--muted); display: block; }
button, .btn {
  background: var(--navy-2); color: #fff; border: 0; border-radius: 8px;
  padding: 9px 14px; cursor: pointer; display: inline-block; text-decoration: none;
}
button:hover, .btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn-gold { background: var(--gold); color: #1b2430; }
.btn-danger { background: var(--bad); }
.btn-ghost { background: #eef3f8; color: var(--navy); }
.btn-sm { padding: 6px 10px; font-size: 13px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.flash { background: #e8f5e9; color: #1b5e20; padding: 12px 14px; border-radius: 8px; margin-bottom: 14px; }
.err { color: var(--bad); margin: 6px 0; }
.search { display: flex; gap: 8px; margin-bottom: 12px; }
.search input { margin: 0; }
.auth-wrap { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(160deg, #082c44, #0f4c75 55%, #c9a227); }
.auth-card { width: 100%; max-width: 420px; background: #fff; border-radius: 16px; padding: 28px; box-shadow: 0 20px 50px rgba(0,0,0,.18); }
.auth-card h2 { margin: 0 0 6px; }
pre, code { font-family: Consolas, monospace; font-size: 12px; }
pre { background: #0b1d2c; color: #d6e8f5; padding: 14px; border-radius: 10px; overflow: auto; direction: ltr; text-align: left; }
.pager { margin-top: 12px; }
.pager nav > div { justify-content: center; }
.inline { display: inline; }
.row-form input { width: auto; margin: 0 6px 0 0; }