* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(135deg, #22c55e, #15803d);
  min-height: 100vh;
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: white;
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
}

.login-card h1 {
  margin: 0 0 8px;
  font-size: 28px;
  color: #111827;
}

.login-card p {
  margin: 0 0 24px;
  color: #6b7280;
}

.login-card form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.login-card label {
  font-size: 14px;
  font-weight: 600;
  color: #374151;
}

.login-card input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  font-size: 14px;
  outline: none;
}

.login-card input:focus {
  border-color: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}

.login-btn {
  margin-top: 8px;
  padding: 12px 16px;
  background: #16a34a;
  color: white;
  font-size: 15px;
}

.login-btn:hover {
  background: #15803d;
}

.error-message {
  min-height: 20px;
  color: #b91c1c;
  font-size: 14px;
  margin-top: 4px;
}