/* ================= Reset e Base ================= */
* { box-sizing: border-box; margin: 0; padding: 0; }
html {scrollbar-width: thin; scrollbar-color: rgba(121, 12, 230, 0.3) transparent;}
body { font-family: 'Inter', sans-serif; background-color: #f5f6f8; color: #333; overflow-x: hidden; }

.app-container { display: flex; min-height: 100vh; }

/* Auxiliar: Imagens vazias mostram fundo cinza */
img:not([src]), img[src=""] { background-color: #d1d5db; border-radius: 4px; display: inline-block; }

/* ================= Menu Lateral (Sidebar) ================= */
.sidebar {
    width: 250px;
    background-color: #f6f3fc; 
    display: flex; flex-direction: column;
    padding: 30px 20px; position: fixed; height: 100vh;
    border-right: 1px solid rgba(0,0,0,0.03);
    z-index: 10;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(121, 12, 230, 0.3) transparent;
}

.sidebar-logo { display: flex; align-items: center; justify-content: center; margin-bottom: 35px; }
.sidebar-logo img { width: 80px; height: auto; object-fit: contain; }

.menu-group { margin-bottom: 25px; }
.menu-title {
    font-size: 11px; font-weight: 700; color: #999;
    text-transform: uppercase; margin-bottom: 10px; padding-left: 10px;
}
.menu-item {
    display: flex; align-items: center; gap: 12px; padding: 12px 14px;
    text-decoration: none; color: #444; font-size: 14px; font-weight: 600; 
    border-radius: 8px; margin-bottom: 5px; transition: 0.2s;
}

.menu-item img { width: 22px; height: 22px; object-fit: contain; opacity: 0.7; }

.menu-item.active {
    background-color: #ffffff; box-shadow: 0 2px 5px rgba(0,0,0,0.03);
    color: #7b00ff;
}

.menu-item.active img { 
    opacity: 1; 
    filter: brightness(0) saturate(100%) invert(18%) sepia(93%) saturate(5833%) hue-rotate(264deg) brightness(85%) contrast(110%);
}

.sidebar-footer {
    margin-top: auto; padding-top: 15px; border-top: 1px solid rgba(0,0,0,0.05); 
    display: flex; flex-direction: column; gap: 15px;
}
.user-info { display: flex; align-items: center; gap: 10px; padding-left: 10px; }

.user-info img { width: 32px; height: 32px; border-radius: 8px; object-fit: cover; }

.user-name { font-size: 13px; font-weight: 700; color: #000; }
.logout-btn {
    display: flex; align-items: center; gap: 10px; padding-left: 10px;
    color: #444; text-decoration: none; font-size: 13px; font-weight: 600;
}

.logout-btn img { width: 16px; height: 16px; object-fit: contain; opacity: 0.7; }

/* ================= Conteúdo Principal ================= */
.main-content { 
    margin-left: 250px; 
    width: calc(100% - 250px); 
    flex: 1; 
    display: flex; 
    flex-direction: column; 
}

/* ================= Cabeçalho Superior ================= */
.header {
    background-color: #8338ec; /* Roxo vibrante */
    height: 80px; padding: 0 40px; display: flex; justify-content: space-between; align-items: center;
}

.search-container { display: flex; align-items: center; background-color: #ffffff; border-radius: 40px; padding: 5px 20px; width: 100%; max-width: 600px; height: 46px; }

.search-icon { width: 18px; height: 18px; opacity: 0.5; }

.search-input { border: none; outline: none; padding: 0 15px; font-size: 14px; font-family: 'Inter', sans-serif; font-style: normal; color: #333; flex: 1; }

.search-input::placeholder { color: #9ca3af; font-size: 15px; font-style: italic;}

.filter-btn { display: flex; align-items: center; gap: 8px; background: none; border: none; font-size: 14px; font-weight: 600; color: #8338ec; cursor: pointer; font-style: italic; padding-left: 15px; border-left: 1px solid #eee; height: 24px; }

.filter-icon { width: 16px; height: 16px; object-fit: contain; }

.arrow-icon { width: 12px; height: 12px; object-fit: contain; }

.header-user-avatar { width: 40px; height: 40px; border-radius: 8px; object-fit: cover; }

/* ================= Dashboard Area ================= */
.dashboard-wrapper { padding: 40px; max-width: 1400px; margin: 0 auto; width: 100%; }

/* Título e Botão Nova Mensagem */
.page-title-row { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 25px; }

.page-title-row h1 { font-size: 26px; font-weight: 800; color: #111827; margin-bottom: 6px; }

.page-title-row p { font-size: 14px; color: #6b7280; font-weight: 500; }

.btn-primary { background-color: #8b5cf6; color: #fff; border: none; border-radius: 8px; padding: 10px 20px; font-size: 13px; font-weight: 700; cursor: pointer; transition: 0.2s; }

.btn-primary:hover { background-color: #7c3aed; }

/* ================= Área do Chat ================= */
.chat-container {
    display: flex; gap: 25px; align-items: stretch;
    height: 600px; /* Altura fixa para manter proporção do chat */
}

/* --- Coluna Esquerda: Lista de Conversas --- */
.conversas-col {
    flex: 1; min-width: 280px; max-width: 320px;
    background: #fff; border-radius: 12px; padding: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.02); overflow-y: auto;
}

.conversas-title { font-size: 16px; font-weight: 800; color: #111827; margin-bottom: 20px; }

.conversa-item {
    border: 1px solid #e5e7eb; border-radius: 10px; padding: 14px;
    display: flex; align-items: center; gap: 15px; margin-bottom: 12px; cursor: pointer; transition: 0.2s;
}

.conversa-item:hover { background-color: #f9fafb; }

.conversa-item.active-chat { background-color: #f9fafb; border-color: #d1d5db; }

.conversa-avatar { width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0; }

.conversa-info { display: flex; flex-direction: column; gap: 4px; }

.conversa-name { font-size: 13px; font-weight: 800; color: #111827; margin: 0; }

.conversa-last { font-size: 11px; font-weight: 500; color: #6b7280; }

/* --- Coluna Direita: Janela do Chat --- */
.chat-col {
    flex: 2.5; background: #fff; border-radius: 12px; padding: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.02);
    display: flex; flex-direction: column;
}

.chat-header { display: flex; flex-direction: column; gap: 6px; }

.chat-contact-name { font-size: 18px; font-weight: 800; color: #111827; margin: 0; }

.chat-contact-role { font-size: 12px; font-weight: 500; color: #6b7280; }

.chat-divider { border: 0; height: 1px; background: #e5e7eb; margin: 20px 0; }

/* Mensagens */
.chat-messages-area {
    flex: 1; display: flex; flex-direction: column; gap: 20px;
    padding: 10px 0; overflow-y: auto;
}

.msg-bubble {
    padding: 16px 20px; border-radius: 12px; font-size: 13px;
    font-weight: 500; line-height: 1.5; max-width: 75%;
}

.msg-left {
    background-color: #f3f4f6; color: #111827;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.msg-right {
    background-color: #790ce6; color: #ffffff;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

/* Campo de Input */
.chat-input-area { margin-top: 20px; }

.chat-input {
    width: 100%; padding: 15px 20px; border: 1px solid #e5e7eb;
    border-radius: 10px; font-size: 13px; font-family: 'Inter', sans-serif;
    color: #333; outline: none; transition: 0.2s;
}

.chat-input:focus { border-color: #790ce6; }

.chat-input::placeholder { color: #9ca3af; }

/* ================= Cores Base ================= */
.bg-green-solid { background-color: #10b981; }
.bg-blue-solid { background-color: #3b82f6; }
.bg-orange-solid { background-color: #f59e0b; }
.bg-purple-solid { background-color: #8b5cf6; }

@media (max-width: 1024px) {
  .dashboard-wrapper {
    padding: 30px 20px;
  }

.chat-container {
    gap: 15px;
  }

/* Reduz a largura da lista de contactos para dar mais espaço ao chat */
  .conversas-col {
    min-width: 220px;
  }
}

/* Ecrãs Pequenos (Telemóveis) - Abaixo de 768px */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

.main-content {
    margin-left: 0;
    width: 100%;
  }

/* Ajustes da barra superior (Header) */
  .header {
    padding: 0 20px;
  }

.search-container {
    padding: 5px 10px;
  }

.search-input {
    font-size: 13px;
    padding: 0 10px;
  }

.filter-btn {
    font-size: 0;
    padding-left: 10px;
  }

.filter-btn .arrow-icon,
  .header-user-avatar {
    display: none;
  }

/* Título da página e Botão Nova Mensagem */
  .page-title-row {
    flex-direction: column;
    align-items: stretch;
    gap: 15px;
    text-align: center;
  }

.page-title-row h1 {
    font-size: 24px;
  }

.page-title-row .btn-primary {
    width: 100%;
  }

/* --- Estrutura do Chat no Mobile --- */
  .chat-container {
    flex-direction: column;
    height: auto; /* Remove a altura fixa de 600px no mobile */
  }

.conversas-col {
    max-width: 100%; /* Ocupa a largura total */
    max-height: 250px; /* Limita a altura para que a lista não empurre o chat para fora do ecrã */
  }

.chat-col {
    height: 500px; /* Dá uma altura fixa à janela de chat para forçar o scroll interno nas mensagens */
  }

.msg-bubble {
    max-width: 90%; /* Expande os balões de texto para aproveitarem melhor o ecrã pequeno */
  }
}