:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #1f4f82;
  --danger: #991b1b;
  --ok: #166534;
  --warn: #92400e;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
}
header {
  background: var(--accent);
  color: #fff;
  padding: 18px 28px;
}
header a { color: #fff; text-decoration: none; }
nav { float: right; }
nav a, nav button { margin-left: 16px; }
main { max-width: 1100px; margin: 28px auto; padding: 0 18px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
  margin-bottom: 18px;
}
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 800px) { .grid { grid-template-columns: 1fr; } nav { float: none; margin-top: 10px; } }
label { display: block; font-weight: 700; margin-bottom: 6px; }
input[type="text"], input[type="email"], input[type="password"], textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 15px;
  background: #fff;
}
textarea { min-height: 110px; }
.field { margin-bottom: 14px; }
.help { color: var(--muted); font-size: 13px; margin-top: 4px; }
button, .button {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: 0;
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 15px;
  text-decoration: none;
}
button.danger { background: var(--danger); }
button.warn { background: var(--warn); }
.badge { padding: 4px 8px; border-radius: 999px; font-size: 12px; background: #e5e7eb; }
.badge.PENDING { background: #fef3c7; color: #92400e; }
.badge.APPROVED { background: #dcfce7; color: #166534; }
.badge.DENIED { background: #fee2e2; color: #991b1b; }
.badge.ERROR { background: #fee2e2; color: #991b1b; }
.badge.NEEDS_INFO { background: #dbeafe; color: #1d4ed8; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
pre { white-space: pre-wrap; word-break: break-word; background: #f3f4f6; padding: 12px; border-radius: 8px; }
.alert { border-left: 5px solid var(--warn); background: #fffbeb; padding: 12px; border-radius: 8px; margin-bottom: 16px; }
.alert.error { border-left-color: var(--danger); background: #fef2f2; }
.inline-form { display: inline; }
.checkbox-row label { font-weight: 400; display: inline-block; margin-right: 16px; }