*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: #0a0a0f;
  color: #e0e0e8;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  background: #14141f;
  border: 1px solid #2a2a3a;
  border-radius: 12px;
  padding: 2.5rem;
  width: 100%;
  max-width: 400px;
}
h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}
.subtitle {
  color: #888;
  font-size: 0.875rem;
  margin-bottom: 2rem;
}
label {
  display: block;
  font-size: 0.8rem;
  color: #999;
  margin-bottom: 0.375rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
input {
  width: 100%;
  padding: 0.75rem;
  background: #0a0a0f;
  border: 1px solid #2a2a3a;
  border-radius: 8px;
  color: #e0e0e8;
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  outline: none;
  transition: border-color 0.15s;
}
input:focus { border-color: #5b8def; }
button {
  width: 100%;
  padding: 0.75rem;
  background: #5b8def;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}
button:hover { background: #4a7de0; }
.error {
  background: #2a1520;
  border: 1px solid #5a2535;
  color: #f08090;
  padding: 0.625rem;
  border-radius: 6px;
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
  display: none;
}