:root {
  --primary: #4A90E2;
  --dark: #1C2A47;
  --light: #f5f7fa;
  --white: #ffffff;
  --radius: 10px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--light);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
}

.login-wrapper {
  padding: 2rem;
  width: 100%;
  max-width: 400px;
}

.login-box {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  text-align: center;
    box-shadow: var(--shadow-deep);
}

h1 {
  color: var(--primary);
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.description {
  color: var(--dark);
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.input-group {
  text-align: left;
  margin-bottom: 1.5rem;
}

.input-group label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--dark);
  display: block;
  margin-bottom: 0.5rem;
}

.input-group input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #d0d7e3;
  border-radius: var(--radius);
  font-size: 1rem;
}

.btn {
  width: 100%;
  padding: 0.9rem;
  font-weight: 600;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 1rem;
  transition: background 0.3s ease;
}

.btn:hover {
  background: #387ac6;
}

.hidden {
  display: none;
}

.change-link {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--primary);
  cursor: pointer;
  text-decoration: underline;
}

.login-btn {
  margin-left: 1.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--primary);
  color: white;
  border-radius: 8px;
  font-weight: 600;
  transition: background 0.3s ease;
}

.login-btn:hover {
  background-color: var(--primary-dark);
}