* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  background: #f3f5f8;
  color: #17212b;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: #0f2747;
  color: #fff;
  position: sticky;
  top: 0;
}

.brand {
  font-weight: 700;
  margin-right: 8px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex: 1;
}

.nav a {
  color: #dbe8ff;
  text-decoration: none;
  padding: 4px 8px;
  border-radius: 6px;
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.12);
}

.logout-form {
  margin: 0;
}

.container {
  max-width: 1400px;
  margin: 16px auto;
  padding: 0 12px;
  display: grid;
  gap: 12px;
}

.card {
  background: #fff;
  border-radius: 10px;
  padding: 14px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.card.narrow {
  max-width: 520px;
}

h1, h2, h3 {
  margin: 0 0 10px;
}

label {
  font-size: 13px;
  color: #425466;
  display: block;
  margin-bottom: 4px;
}

input, select, textarea, button {
  width: 100%;
  border: 1px solid #c8d1db;
  border-radius: 6px;
  padding: 8px 10px;
  font: inherit;
}

button, .btn {
  width: auto;
  background: #0f62fe;
  color: #fff;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

button.danger {
  background: #c92a2a;
}

button:hover, .btn:hover {
  filter: brightness(0.95);
}

form {
  display: grid;
  gap: 8px;
}

form.inline, .inline-form {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}

.inline-form input,
.inline-form select,
form.inline input,
form.inline select,
form.inline button {
  width: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th, td {
  border-bottom: 1px solid #e8edf3;
  text-align: left;
  padding: 8px;
  vertical-align: top;
}

th {
  background: #f8fbff;
}

pre {
  margin: 0;
  max-width: 360px;
  white-space: pre-wrap;
  word-break: break-word;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.metric {
  background: #f7fbff;
  border: 1px solid #e2ebf6;
  border-radius: 8px;
  padding: 10px;
}

.metric span {
  display: block;
  color: #4b5b6a;
  font-size: 12px;
}

.metric strong {
  font-size: 20px;
}

.alert {
  padding: 10px 12px;
  border-radius: 8px;
}

.alert.ok {
  background: #e6f8ec;
  border: 1px solid #b4e7c4;
}

.alert.err {
  background: #ffe8e8;
  border: 1px solid #f1b3b3;
}

.badge {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  color: #fff;
}

.badge.low {
  background: #2f9e44;
}

.badge.medium {
  background: #f08c00;
}

.badge.high {
  background: #d9480f;
}

.badge.critical {
  background: #c92a2a;
}

.tag {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  background: #edf2ff;
  color: #364fc7;
  margin-right: 6px;
}

.totp-box {
  border: 1px solid #e2ebf6;
  border-radius: 8px;
  padding: 10px;
  margin-top: 10px;
}

.qr {
  width: 220px;
  height: 220px;
}

@media (max-width: 980px) {
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }
}