:root {
    --primary-color: #dd2c2a;
    --primary-hover: #ee7f1b;
    --text-color: #2d3748;
    --bg-color: #f7fafc;
    --shadow-color: rgba(0, 0, 0, 0.1);
  }
  
  body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background: linear-gradient(
      135deg,
      var(--primary-color),
      var(--primary-hover)
    );
    font-family: "Inter", sans-serif;
    color: var(--text-color);
  }
  
  .input-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #aaa;
    z-index: 10;
  }
  
  .login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
  }
  
  .login-form {
    background: #ffffff;
    width: 100%;
    max-width: 400px;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  }
  
  .logo-container {
    text-align: center;
    margin-bottom: 2rem;
  }
  
  .logo {
    max-width: 180px;
    height: auto;
    margin: 0 auto;
  }
  
  .form-group {
    margin-bottom: 1.5rem;
  }
  
  .form-group:last-child {
    margin-bottom: 0;
  }
  
  label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
  }
  
  .input-group {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
  }
  
  .input-icon {
    position: absolute;
    left: 1rem;
    color: #718096;
    transition: color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
  }
  
  .input-icon i {
    font-size: 1rem;
  }
  
  .password-toggle {
    left: auto;
    right: 1rem;
    cursor: pointer;
    opacity: 0.7;
  }
  
  .password-toggle:hover {
    color: var(--primary-color);
    opacity: 1;
  }
  
  .form-control {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    font-size: 1rem;
    color: var(--text-color);
    background-color: #fff;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    transition: all 0.2s ease;
  }
  
  .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(13, 82, 74, 0.1);
    outline: none;
  }
  
  .form-control:focus + .input-icon {
    color: var(--primary-color);
  }
  
  .custom-btn {
    width: 100%;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background-color: var(--primary-color);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
  }
  
  .custom-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
  }
  
  .custom-btn:active {
    transform: translateY(0);
  }
  
  .register-link {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.95rem;
    color: #718096;
  }
  
  .register-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
  }
  
  .register-link a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
  }
  
  /* Responsividade */
  @media (max-width: 480px) {
    .login-form {
      padding: 1.5rem;
    }
  
    .logo {
      max-width: 150px;
    }
  }