:root {
  --navy: #17365d;
  --navy2: #0f253f;
  --accent: #2f5597;
  --accent-deep: #1f3f73;
  --accent-soft: #dce7f7;
  --bg: #eef2f8;
  --surface: #ffffff;
  --fg: #1b2733;
  --muted: #5d6977;
  --border: #c9d2dd;
  --success-soft: #eefaf3;
  --success-border: #7dd3a8;
  --success-deep: #047857;
  --danger: #c0392b;
  --danger-soft: #fdecea;
  --warning-soft: #fff8e6;
  --warning-border: #ffe5a3;
  --warning-deep: #8a6d1a;
  --mono: "Cascadia Mono", Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  font-size: 14px;
  color: var(--fg);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

/* ── Top bar ─────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 22px;
  height: 56px;
  background: linear-gradient(90deg, #17365d, #1e4374 55%, #2f5597);
  color: #fff;
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 7px;
  background: linear-gradient(180deg, #3a63ad, #2f5597);
  font-weight: 700; font-size: 13px;
}
.brand-name { font-weight: 600; font-size: 16px; }
.nav { display: flex; gap: 4px; margin-left: 8px; }
.nav a {
  color: #d6e2f5; text-decoration: none; padding: 8px 14px;
  border-radius: 6px; font-size: 13.5px;
}
.nav a:hover { background: rgba(255,255,255,.12); color: #fff; }
.user { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.who { color: #cfe0f5; font-size: 13px; }
.inline { display: inline; margin: 0; }

/* ── Layout ──────────────────────────────────────────── */
.container { flex: 1; width: 100%; max-width: 1100px; margin: 0 auto; padding: 26px 22px; }
.footer { text-align: center; color: var(--muted); font-size: 12.5px; padding: 16px; }

h1 { font-size: 22px; margin: 0 0 4px; color: var(--navy); }
h2 { font-size: 16px; margin: 0 0 14px; color: var(--navy); }
.sub { color: var(--muted); margin: 0 0 22px; }

/* ── Cards ───────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px 24px;
  margin-bottom: 18px;
}
.grid { display: grid; gap: 18px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 820px) { .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; } }

.stat { text-align: left; }
.stat .num { font-size: 30px; font-weight: 700; color: var(--accent); font-family: var(--mono); }
.stat .lbl { color: var(--muted); font-size: 13px; margin-top: 2px; }

/* ── Forms ───────────────────────────────────────────── */
label { display: block; font-weight: 600; font-size: 13px; margin: 0 0 6px; }
input[type=text], input[type=password] {
  width: 100%; height: 40px; padding: 0 12px;
  border: 1px solid var(--border); border-radius: 7px; font-size: 14px;
  background: #fff; color: var(--fg);
}
input:focus { outline: none; border-color: var(--accent); }
.field { margin-bottom: 16px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.row .grow { flex: 1; min-width: 200px; }

.btn {
  height: 40px; padding: 0 18px; border: none; border-radius: 7px;
  background: var(--accent); color: #fff; font-size: 14px; font-weight: 600;
  cursor: pointer;
}
.btn:hover { background: var(--accent-deep); }
.btn-secondary { background: #fff; color: var(--accent); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg); }
.btn-danger { background: var(--danger); }
.btn-ghost { background: transparent; border: 1px solid rgba(255,255,255,.4); color: #fff;
  height: 32px; padding: 0 12px; border-radius: 6px; cursor: pointer; font-size: 13px; }
.btn-ghost:hover { background: rgba(255,255,255,.15); }
.btn-sm { height: 32px; padding: 0 12px; font-size: 13px; }

/* ── Tables ──────────────────────────────────────────── */
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { background: var(--navy); color: #fff; font-weight: 600; }
tr:hover td { background: #f6f9fd; }
.mono { font-family: var(--mono); }

/* ── Badges & alerts ─────────────────────────────────── */
.badge { display: inline-block; padding: 3px 10px; border-radius: 10px; font-size: 12px; font-weight: 600; }
.badge.ok { background: var(--success-soft); color: var(--success-deep); border: 1px solid var(--success-border); }
.badge.off { background: #f1f3f6; color: var(--muted); border: 1px solid var(--border); }

.alert { padding: 12px 15px; border-radius: 8px; margin-bottom: 16px; font-size: 13.5px; }
.alert.ok { background: var(--success-soft); border: 1px solid var(--success-border); color: var(--success-deep); }
.alert.err { background: var(--danger-soft); border: 1px solid var(--danger); color: var(--danger); }
.alert.warn { background: var(--warning-soft); border: 1px solid var(--warning-border); color: var(--warning-deep); }

.keybox {
  font-family: var(--mono); font-size: 20px; font-weight: 700; letter-spacing: 1px;
  color: var(--navy); background: var(--accent-soft); border: 1px solid var(--accent);
  border-radius: 8px; padding: 14px 18px; text-align: center; margin: 8px 0;
}

/* ── Login ───────────────────────────────────────────── */
.login-wrap { max-width: 380px; margin: 8vh auto 0; }
.login-logo {
  width: 60px; height: 60px; border-radius: 14px; margin: 0 auto 18px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(180deg, #3a63ad, #2f5597);
  color: #fff; font-weight: 700; font-size: 26px;
}