* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  font-family: 'Heebo', system-ui, -apple-system, sans-serif;
  background: linear-gradient(135deg, #1e3a8a 0%, #2c5282 100%);
  min-height: 100vh;
  color: #1a1f2e;
}
body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.auth-card {
  background: white;
  padding: 36px 32px;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  width: 100%;
  max-width: 400px;
}
.auth-brand {
  text-align: center;
  margin-bottom: 24px;
}
.auth-brand-icon {
  font-size: 48px;
  margin-bottom: 8px;
  display: block;
}
.auth-brand-name {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: #1e3a8a;
  font-family: 'JetBrains Mono', monospace;
}
h1 {
  font-size: 24px;
  margin-bottom: 8px;
  color: #1a1f2e;
}
.subtitle {
  color: #555;
  font-size: 14px;
  margin-bottom: 24px;
}
label {
  display: block;
  margin-bottom: 14px;
  font-size: 13px;
  color: #555;
  font-weight: 600;
}
input {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  margin-top: 4px;
  font-size: 15px;
  font-family: inherit;
}
input:focus {
  outline: 2px solid #1e3a8a;
  outline-offset: -1px;
  border-color: #1e3a8a;
}
button[type=submit] {
  width: 100%;
  padding: 13px;
  background: #1e3a8a;
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
  font-family: inherit;
  transition: background 0.15s;
}
button[type=submit]:hover {
  background: #2c5282;
}
button[type=submit]:disabled {
  background: #999;
  cursor: not-allowed;
}
.error {
  background: #fee2e2;
  color: #991b1b;
  padding: 10px 12px;
  border-radius: 4px;
  margin-top: 12px;
  font-size: 13px;
  border-right: 3px solid #991b1b;
}
.hint {
  margin-top: 16px;
  font-size: 12px;
  color: #888;
  text-align: center;
}