:root {
      --orange-dark: #e9870f;
      --cyan:       #0fbde9;
      --green-dark: #30910e;
      --yellow:     #f5ad22;
      --gray-light: #f4f5f7;
      --text-dark:  #2c3e50;
      --text-light: #ffffff;
      --bg-dark:    #2c3e50;
      --gradient:   linear-gradient(135deg, #e9870f 0%, #0fbde9 100%);
    }

    body {
      font-family: 'Segoe UI', sans-serif;
      background-color: var(--gray-light);
      color: var(--text-dark);
      margin: 0;
      padding-bottom: 60px;
    }
    a { text-decoration: none; }

    /* Cabeçalho principal */
    .main-header {
      background: var(--orange-dark);
      padding: 12px 0;
      box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    }
    .main-header .container {
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .main-header .navbar-brand {
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--text-light);
    }
    .main-header .navbar-brand:hover {
      color: var(--yellow);
    }
    .main-header .search-bar {
      position: relative;
      width: 100%;
      max-width: 350px;
    }
    .main-header .search-bar input {
      border-radius: 50px;
      border: none;
      padding-left: 20px;
      padding-right: 45px;
      height: 36px;
      font-size: 0.95rem;
    }
    .main-header .search-bar .btn-search {
      position: absolute;
      top: 50%;
      right: 8px;
      transform: translateY(-50%);
      background: transparent;
      border: none;
      color: var(--text-dark);
      font-size: 1.1rem;
      transition: color 0.2s ease;
    }
    .main-header .search-bar .btn-search:hover {
      color: var(--green-dark);
    }
    .main-header .nav-link {
      color: var(--text-light);
      margin: 0 12px;
      font-weight: 500;
      font-size: 0.95rem;
      transition: color 0.2s ease;
    }
    .main-header .nav-link:hover {
      color: var(--yellow);
    }
    .main-header .cart-link {
      font-size: 1.4rem;
      color: var(--text-light);
      position: relative;
      margin-left: 20px;
      transition: color 0.2s ease;
    }
    .main-header .cart-link:hover {
      color: var(--yellow);
    }
    .main-header .cart-link .badge {
      position: absolute;
      top: -6px;
      right: -10px;
      font-size: .8rem;
    }

    /* Menus de categorias e marcas (opcional se você quiser mantê-los) */
    .categories-menu {
      background: var(--cyan);
      padding: 8px 0;
      box-shadow: 0 1px 4px rgba(0,0,0,0.08);
      z-index: 2;
    }
    .categories-menu .container {
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: 8px;
    }
    .categories-menu .nav-link {
      color: var(--text-light);
      font-size: 0.95rem;
      margin: 0 6px;
      white-space: nowrap;
      padding: 8px 16px;
      border-radius: 20px;
      transition: background 0.2s ease, color 0.2s ease;
    }
    .categories-menu .nav-link:hover {
      background: rgba(255,255,255,0.9);
      color: var(--text-dark);
    }

    .brands-menu {
      background: var(--green-dark);
      padding: 8px 0;
      box-shadow: 0 1px 4px rgba(0,0,0,0.08);
      position: relative;
      z-index: 3;
    }
    .brands-menu .container {
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: 8px;
    }
    .brands-menu .nav-link {
      color: var(--text-light);
      font-size: 0.95rem;
      margin: 0 6px;
      white-space: nowrap;
      padding: 8px 16px;
      border-radius: 20px;
      transition: background 0.2s ease, color 0.2s ease;
    }
    .brands-menu .nav-link:hover {
      background: rgba(255,255,255,0.9);
      color: var(--text-dark);
    }

    /* Conteúdo do formulário */
    .login-wrapper {
      max-width: 400px;
      margin: 60px auto 40px;
      background: #ffffff;
      border-radius: 12px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.05);
      padding: 30px 20px;
    }
    .login-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 20px;
    }
    .login-header h2 {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--green-dark);
      margin: 0;
    }
    .register-link {
      font-size: 0.9rem;
      color: var(--cyan);
      font-weight: 600;
    }
    .register-link:hover {
      color: var(--green-dark);
      text-decoration: underline;
    }

    .form-label {
      font-weight: 500;
      margin-bottom: 6px;
    }
    .form-control {
      border-radius: 6px;
      border: 1px solid #ced4da;
      box-shadow: none;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }
    .form-control:focus {
      border-color: var(--cyan);
      box-shadow: 0 0 0 0.2rem rgba(15,189,233,0.25);
      outline: none;
    }

    .btn-primary {
      background: var(--cyan);
      border: none;
      border-radius: 6px;
      padding: 10px;
      font-weight: 600;
      width: 100%;
      transition: background 0.2s ease;
    }
    .btn-primary:hover {
      background: var(--green-dark);
      color: #fff;
    }

    /* Rodapé */
    footer {
      background: var(--bg-dark);
      color: #ccc;
      padding: 40px 0;
      margin-top: 60px;
    }
    footer .container {
      max-width: 1100px;
      margin: 0 auto;
    }
    footer a {
      color: #ccc;
      transition: color 0.2s ease;
    }
    footer a:hover {
      color: var(--yellow);
      text-decoration: underline;
    }
    footer .footer-title {
      color: var(--text-light);
      font-weight: 600;
      margin-bottom: 15px;
    }
    footer .social-icons a {
      color: #ccc;
      margin-right: 10px;
      font-size: 1.3rem;
      transition: color 0.2s ease;
    }
    footer .social-icons a:hover {
      color: var(--yellow);
    }

    /* Botão flutuante de ajuda */
    .help-btn {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background: var(--cyan);
      color: var(--text-light);
      width: 60px;
      height: 60px;
      border-radius: 50%;
      box-shadow: 0 4px 12px rgba(0,0,0,0.2);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      z-index: 999;
      transition: background 0.2s ease, transform 0.2s ease;
    }
    .help-btn:hover {
      background: var(--green-dark);
      transform: scale(1.1);
      text-decoration: none;
      color: var(--text-light);
    }

    @media (max-width: 767px) {
      .login-wrapper {
        margin: 40px 15px 30px;
        padding: 20px 15px;
      }
      .login-header h2 {
        font-size: 1.3rem;
      }
      .register-link {
        font-size: 0.85rem;
      }
      .btn-primary {
        padding: 8px;
        font-size: 0.95rem;
      }
    }