:root {
  --ivc-blue: #0b3d6b;
  --ivc-blue-dark: #082a4a;
  --border: #d8dee5;
  --bg: #f5f7f9;
  --text: #1c2733;
  --muted: #5a6b7b;
  --danger: #b3261e;
  --danger-bg: #fbeceb;
  --success: #1e7a34;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header.site {
  background: var(--ivc-blue);
  color: #fff;
  padding: 16px 24px;
}

header.site .brand {
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: none;
  color: #fff;
}

main {
  max-width: 640px;
  margin: 48px auto;
  padding: 0 20px;
}

main.wide {
  max-width: 960px;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px 32px;
}

h1 { font-size: 1.4rem; margin: 0 0 4px; }
h2 { font-size: 1.1rem; margin: 24px 0 12px; }
p.lead { color: var(--muted); margin-top: 4px; }

label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin: 16px 0 6px;
}

input[type=text], input[type=email], input[type=password], input[type=number], textarea, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
}

textarea { resize: vertical; min-height: 70px; }

button, .btn {
  display: inline-block;
  background: var(--ivc-blue);
  color: #fff;
  border: none;
  padding: 11px 20px;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  margin-top: 20px;
}

button:hover, .btn:hover { background: var(--ivc-blue-dark); }

.btn.secondary { background: #fff; color: var(--ivc-blue); border: 1px solid var(--ivc-blue); }
.btn.danger { background: #fff; color: var(--danger); border: 1px solid var(--danger); }

.alert {
  padding: 12px 14px;
  border-radius: 6px;
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.alert.error { background: var(--danger-bg); color: var(--danger); border: 1px solid #f0c7c4; }
.alert.success { background: #eaf6ec; color: var(--success); border: 1px solid #c9e8cf; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.02em; }

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge.active { background: #e6f0fa; color: var(--ivc-blue); }
.badge.downloaded { background: #eaf6ec; color: var(--success); }
.badge.expired { background: #f2f2f2; color: var(--muted); }
.badge.revoked { background: var(--danger-bg); color: var(--danger); }

.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.toolbar form { display: flex; gap: 8px; }
.toolbar input, .toolbar select { width: auto; }

.credentials-box {
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 16px 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.credentials-box div { margin: 4px 0; }

.muted { color: var(--muted); font-size: 0.88rem; }
footer.site { text-align: center; color: var(--muted); font-size: 0.8rem; padding: 32px 0; }