* { box-sizing: border-box; margin: 0; padding: 0; }

body.login-page {
  font-family: 'Open Sans', sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a2a3a 0%, #2c3e50 50%, #1a2a3a 100%);
  padding: 1.5rem;
}

.login-box { width: 100%; max-width: 400px; }

.login-logo {
  text-align: center;
  margin-bottom: 1.5rem;
  color: #fff;
}

.logo-img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  margin-bottom: 0.75rem;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
}

.login-logo h1 {
  font-size: 1.75rem;
  font-weight: 300;
  letter-spacing: 0.02em;
}

.login-card {
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
  padding: 1.75rem 2rem 2rem;
}

.login-headline {
  font-size: 0.95rem;
  color: #444;
  margin-bottom: 0.25rem;
}

.login-sub {
  font-size: 1.1rem;
  font-weight: 600;
  color: #333;
  margin-bottom: 1.25rem;
}

.form-group { margin-bottom: 1rem; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: #555;
  margin-bottom: 0.35rem;
}

.form-group input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid #d2d6de;
  border-radius: 3px;
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.15s;
}

.form-group input:focus {
  outline: none;
  border-color: #22a7f0;
  box-shadow: 0 0 0 2px rgba(34,167,240,0.15);
}

.form-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  color: #555;
}

.alert {
  background: #f2dede;
  color: #a94442;
  border: 1px solid #ebccd1;
  border-radius: 3px;
  padding: 0.6rem 0.85rem;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.alert.hidden { display: none; }

.btn-login {
  width: 100%;
  padding: 0.7rem;
  background: #22a7f0;
  color: #fff;
  border: none;
  border-radius: 3px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-login:hover { background: #1a8fd4; }
.btn-login:disabled { opacity: 0.7; cursor: wait; }

.demo-hint {
  margin-top: 1rem;
  text-align: center;
  font-size: 0.75rem;
  color: #999;
}