:root {
  --bg: #eef4ff;
  --card: #fff;
  --line: #ced9ed;
  --txt: #1a2b4a;
  --muted: #6f7f9b;
  --brand: #0b3f90;
  --green: #5faa2f;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Source Sans 3', sans-serif;
  color: var(--txt);
  background: linear-gradient(160deg, #f6f9ff 0%, #ebf3ff 100%);
}

.head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  background: linear-gradient(90deg, #082d73, #0a4f9d);
  color: #fff;
}
.brand { display: flex; gap: 12px; align-items: center; }
.brand img { width: 54px; height: 54px; border-radius: 10px; background: #fff; }
.brand h1 { margin: 0; font-family: Outfit, sans-serif; font-size: 1.25rem; }
.brand p { margin: 2px 0 0; opacity: 0.9; }
.back { color: #fff; text-decoration: none; border: 1px solid rgba(255,255,255,0.4); padding: 8px 12px; border-radius: 10px; }

.shell { padding: 18px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  margin-bottom: 14px;
  box-shadow: 0 14px 34px rgba(15, 43, 95, 0.12);
}
.card h2 { margin: 0 0 10px; font-family: Outfit, sans-serif; }
label { display: block; margin: 8px 0 4px; font-weight: 600; }
input {
  width: 100%;
  border: 1px solid #b8c8e4;
  border-radius: 10px;
  min-height: 40px;
  padding: 9px 11px;
}
button {
  border: 0;
  border-radius: 10px;
  min-height: 40px;
  background: var(--brand);
  color: #fff;
  padding: 9px 12px;
  cursor: pointer;
}
button:hover { filter: brightness(0.97); }
#createUserBtn, #loadUsersBtn { background: var(--green); }
.row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin-top: 10px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.hint { color: var(--muted); margin: 6px 0 0; }
.small { max-height: 220px; overflow: auto; font-size: 0.9rem; }
pre {
  margin: 8px 0 0;
  background: #071830;
  color: #d2e8ff;
  border-radius: 10px;
  padding: 12px;
  min-height: 260px;
  overflow: auto;
}

@media (max-width: 980px) {
  .grid { grid-template-columns: 1fr; }
  .row { grid-template-columns: 1fr; }
}