* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  background: #000000;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  font-family: 'Silkscreen', cursive;
  padding: 1.5rem;
}
.login-card {
  background: #0d0d0d;
  border: 1px solid #2a2a2a;
  border-radius: 8px;
  padding: 40px 32px;
  max-width: 380px;
  width: 100%;
}
.login-header {
  text-align: center;
  margin-bottom: 2rem;
}
.login-header svg {
  display: inline-block;
  margin-bottom: 0.8rem;
}
.login-header h1 {
  font-family: 'Press Start 2P', cursive;
  font-size: 1rem;
  font-weight: 400;
  color: #ffffff;
  letter-spacing: -0.02em;
}
.login-sub {
  font-size: 0.7rem;
  color: #555555;
  letter-spacing: 0.3px;
}
.field {
  margin-bottom: 1rem;
}
.field label {
  display: block;
  font-size: 0.75rem;
  color: #777777;
  margin-bottom: 0.4rem;
}
.field input {
  width: 100%;
  background: #000000;
  border: 1px solid #2a2a2a;
  border-radius: 4px;
  padding: 0.7rem 1rem;
  color: #ffffff;
  font-size: 0.9rem;
  font-family: 'SF Mono', 'JetBrains Mono', 'Fira Code', monospace;
  outline: none;
  transition: border-color 0.15s;
}
.field input:focus {
  border-color: #446688;
}
.field input::placeholder {
  color: #333333;
}
.btn-login {
  width: 100%;
  background: #1a1a1a;
  border: 1px solid #333333;
  border-radius: 4px;
  padding: 0.7rem;
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  font-family: inherit;
  margin-top: 0.4rem;
}
.btn-login:hover {
  background: #2a2a2a;
  border-color: #555555;
}
.btn-login:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.login-msg {
  margin-top: 1rem;
  font-size: 0.72rem;
  padding: 0.5rem 0.8rem;
  border-radius: 3px;
  text-align: center;
}
.login-msg.invalid {
  color: #aa4444;
  border: 1px solid #4a2a2a;
  background: #1a0a0a;
}