* {
  box-sizing: border-box;
  font-family: "Inter", sans-serif;
}

body {
  margin: 0;
  height: 100vh;
  background: linear-gradient(135deg, #2563eb, #1e40af);
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-container {
  width: 100%;
  max-width: 420px;
  padding: 20px;
}

.login-card {
  background: #ffffff;
  border-radius: 14px;
  padding: 35px;
  box-shadow: 0 25px 50px rgba(0,0,0,0.15);
  text-align: center;
}

.login-card h2 {
  color: #111827;
  margin-bottom: 5px;
}

.subtitle {
  color: #6b7280;
  margin-bottom: 30px;
  font-size: 14px;
}

.form-group {
  text-align: left;
  margin-bottom: 18px;
}

.form-group label {
  font-size: 14px;
  color: #374151;
  margin-bottom: 6px;
  display: block;
}

.form-group input {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid #e5e7eb;
  font-size: 14px;
}

.form-group input:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 2px rgba(37,99,235,0.2);
}

.btn-login {
  width: 100%;
  background: #2563eb;
  color: white;
  padding: 12px;
  border-radius: 8px;
  border: none;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 10px;
}

.btn-login:hover {
  background: #1e40af;
}

.extra {
  margin-top: 15px;
  font-size: 13px;
}

.extra a {
  color: #2563eb;
  text-decoration: none;
}

.extra a:hover {
  text-decoration: underline;
}

.error {
  background: #fee2e2;
  color: #b91c1c;
  padding: 10px;
  border-radius: 6px;
  text-align: center;
  margin-bottom: 15px;
}