/* ===================================================================
       Variáveis de cores
       =================================================================== */
    :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;
    }
    a { text-decoration: none; }

    /* ===================================================================
       1) CABEÇALHO (Logo, Busca, Carrinho)
       =================================================================== */
    .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: 400px;
    }
    .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 .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;
    }

    /* ===================================================================
       2) MENU DE CATEGORIAS
       =================================================================== */
    .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);
    }

    /* ===================================================================
       3) MENU DE MARCAS
       =================================================================== */
    .brands-menu {
      background: var(--green-dark);
      padding: 8px 0;
      box-shadow: 0 1px 4px rgba(0,0,0,0.08);
      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);
    }

    /* ===================================================================
       4) CHAT CONTAINER
       =================================================================== */
    .chat-container {
      max-width: 600px;
      margin: 30px auto 60px;
      background: #ffffff;
      border-radius: 16px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
      display: flex;
      flex-direction: column;
      overflow: hidden;
      border: 1px solid #e4e6eb;
    }
    .chat-header {
      background-color: var(--green-dark);
      color: #ffffff;
      padding: 12px 16px;
      font-size: 18px;
      font-weight: bold;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .chat-header img {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      object-fit: cover;
    }
    .chat-messages {
      flex-grow: 1;
      overflow-y: auto;
      padding: 16px;
      background: #f0f2f5;
      min-height: 300px;
    }
    .message {
      display: flex;
      margin-bottom: 10px;
      align-items: flex-start;
    }
    .message.patinhas {
      flex-direction: row;
    }
    .message.user {
      flex-direction: row-reverse;
    }
    .avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      object-fit: cover;
      margin-right: 8px;
    }
    .message.user .avatar {
      margin-left: 8px;
    }
    .bubble {
      max-width: 70%;
      padding: 10px 15px;
      border-radius: 20px;
      font-size: 14px;
      line-height: 1.4;
      position: relative;
    }
    .bubble.patinhas {
      background: #e4e6eb;
      color: #050505;
    }
    .bubble.user {
      background: var(--orange-dark);
      color: #ffffff;
    }
    .bubble::after {
      content: '';
      position: absolute;
      width: 0;
      height: 0;
      border-style: solid;
    }
    .bubble.patinhas::after {
      top: 50%;
      left: -6px;
      border-width: 6px 6px 6px 0;
      border-color: transparent #e4e6eb transparent transparent;
      transform: translateY(-50%);
    }
    .bubble.user::after {
      top: 50%;
      right: -6px;
      border-width: 6px 0 6px 6px;
      border-color: transparent transparent transparent var(--orange-dark);
      transform: translateY(-50%);
    }

    .chat-input {
      display: flex;
      gap: 10px;
      padding: 16px;
      background: #ffffff;
      border-top: 1px solid #e4e6eb;
      flex-wrap: wrap;
    }
    .chat-input input {
      flex-grow: 1;
      padding: 10px;
      border: 1px solid #e4e6eb;
      border-radius: 20px;
      background: #f0f2f5;
      outline: none;
      font-size: 14px;
      min-width: calc(100% - 80px);
      margin-bottom: 10px;
    }
    .chat-input button {
      background-color: var(--orange-dark);
      color: #ffffff;
      border: none;
      border-radius: 20px;
      padding: 10px 20px;
      cursor: pointer;
      font-size: 14px;
      transition: background-color 0.2s;
      flex-shrink: 0;
      width: 100%;
    }
    .chat-input button:hover {
      background-color: #d67d0f;
    }

    .fade-in {
      opacity: 0;
      transform: translateY(-20px);
      animation: fadeIn 0.5s ease forwards;
    }
    @keyframes fadeIn {
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    /* Sugestões (linha fixa acima do input) */
    .chat-suggestions {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      justify-content: center;
      padding: 8px;
      background: #ffffff;
      border-bottom: 1px solid #e4e6eb;
    }
    .chat-suggestions p {
      width: 100%;
      text-align: center;
      margin-bottom: 4px;
      font-size: 14px;
      font-weight: 500;
      color: #555;
    }
    .chat-suggestions button {
      background: #e4e6eb;
      border: none;
      padding: 6px 8px;
      border-radius: 4px;
      cursor: pointer;
      font-size: 12px;
      color: #333;
    }
    .chat-suggestions button:hover {
      background: #dcdfe3;
    }

    /* ===================================================================
       5) 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);
    }

    /* ===================================================================
       6) BOTÃO FLUTUANTE DE AJUDA (Não necessário aqui, pois estamos na própria página de ajuda)
       =================================================================== */
    /* opcional se quiser manter um link fixo de chat */