.whatsapp-container {
        position: fixed;
        bottom: 30px;
        right: 30px;
        z-index: 9999;
        display: flex;
        flex-direction: column;
        align-items: flex-end;
    }
    .whatsapp-float-btn {
        background: #25d366;
        color: white;
        width: 60px;
        height: 60px;
        border-radius: 50px;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 30px;
        box-shadow: 0 4px 10px rgba(0,0,0,0.3);
        margin-top: 15px;
        text-decoration: none;
        transition: transform 0.3s;
    }
    .whatsapp-float-btn:hover {
        transform: scale(1.05);
    }
    .whatsapp-popup {
        background: #e5ddd5; /* Cor de fundo padrão do WhatsApp */
        width: 320px;
        border-radius: 10px;
        border: 2px solid #075e54;
        box-shadow: 0 5px 25px rgba(0,0,0,0.2);
        overflow: hidden;
        opacity: 0;
        transform: translateY(20px) scale(0.9);
        pointer-events: none;
        transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        transform-origin: bottom right;
    }
    .whatsapp-popup.show {
        opacity: 1;
        transform: translateY(0) scale(1);
        pointer-events: auto;
    }
    .popup-header {
        background: #075e54;
        color: white;
        padding: 10px 15px;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .close-popup {
        cursor: pointer;
        font-size: 1.5rem;
        line-height: 1;
        opacity: 0.8;
    }
    .close-popup:hover {
        opacity: 1;
    }
    .popup-chat {
        padding: 15px;
        height: 300px;
        overflow-y: auto;
        display: flex;
        flex-direction: column;
        gap: 8px;
        background-image: url('img/chat-bg.webp'); /* Pattern leve do wpp */
        background-size: cover;
    }
    .chat-msg {
        background: #fff;
        color: #333;
        padding: 8px 12px;
        border-radius: 0 8px 8px 8px;
        font-size: 0.9rem;
        max-width: 85%;
        align-self: flex-start;
        box-shadow: 0 1px 1px rgba(0,0,0,0.1);
        animation: fadeInMsg 0.3s ease-out forwards;
    }
    .user-msg {
        background: #dcf8c6;
        align-self: flex-end;
        border-radius: 8px 0 8px 8px;
    }
    @keyframes fadeInMsg {
        from { opacity: 0; transform: translateY(10px); }
        to { opacity: 1; transform: translateY(0); }
    }
    .typing {
        display: none;
        align-self: flex-start;
        background: #fff;
        padding: 8px 12px;
        border-radius: 0 8px 8px 8px;
        box-shadow: 0 1px 1px rgba(0,0,0,0.1);
    }
    .typing .dot {
        display: inline-block;
        width: 6px;
        height: 6px;
        background: #aaa;
        border-radius: 50%;
        margin: 0 2px;
        animation: bounce 1.4s infinite ease-in-out both;
    }
    .typing .dot:nth-child(1) { animation-delay: -0.32s; }
    .typing .dot:nth-child(2) { animation-delay: -0.16s; }
    @keyframes bounce {
        0%, 80%, 100% { transform: scale(0); }
        40% { transform: scale(1); }
    }
    
    .popup-input {
        background: #f0f0f0;
        padding: 10px;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .popup-input-field {
        background: #fff;
        padding: 10px 15px;
        border-radius: 20px;
        flex-grow: 1;
        margin-right: 10px;
        font-size: 0.9rem;
        color: #333;
        border: none;
        outline: none;
    }
    .popup-input-btn {
        width: 40px;
        height: 40px;
        background: #00a884;
        border-radius: 50%;
        display: flex;
        justify-content: center;
        align-items: center;
        color: white;
        cursor: pointer;
        border: none;
    }

    /* Fullscreen Chat Styles */
    .whatsapp-popup.fullscreen {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        max-width: 100%;
        max-height: 100%;
        border-radius: 0;
        border: none;
        bottom: 0;
        right: 0;
        z-index: 100000;
        display: flex;
        flex-direction: row;
        background-color: #efeae2;
        background-image: url('img/chat-bg.webp');
        background-size: cover;
    }
    .whatsapp-popup.fullscreen .popup-header {
        padding: 15px 20px;
    }
    .whatsapp-popup.fullscreen .popup-chat {
        flex-grow: 1;
        height: calc(100vh - 140px);
        width: 100%;
        max-width: 100%;
        padding: 20px;
        background: transparent;
    }
    .whatsapp-popup.fullscreen .popup-input {
        padding: 15px 20px;
        background: #f0f2f5;
    }
    .whatsapp-popup.fullscreen .popup-input-container {
        width: 100%;
        max-width: 100%;
        display: flex;
        align-items: center;
    }

    /* Estilos do Painel de Perfil Lateral (WhatsApp Style) */
    .chat-column {
        display: flex;
        flex-direction: column;
        width: 100%;
        height: 100%;
        flex: 1;
    }
    
    .profile-sidebar {
        display: none;
        width: 380px;
        background: #f0f2f5;
        border-left: 1px solid #d1d7db;
        flex-direction: column;
        height: 100%;
        overflow-y: auto;
        color: #3b3b3b;
        flex-shrink: 0;
        font-family: 'Inter', sans-serif;
    }
    
    .whatsapp-popup.fullscreen .profile-sidebar {
        display: flex;
    }
    
    @media (max-width: 900px) {
        .whatsapp-popup.fullscreen .profile-sidebar {
            display: none; /* Oculta em telas pequenas para manter a usabilidade */
        }
    }
    
    .sidebar-header {
        background: #f0f2f5;
        padding: 15px 20px;
        display: flex;
        align-items: center;
        gap: 20px;
        font-size: 1.1rem;
        font-weight: 600;
        color: #3b3b3b;
        border-bottom: 1px solid #e0e0e0;
        position: sticky;
        top: 0;
        z-index: 10;
    }
    
    .sidebar-content {
        padding: 20px;
        display: flex;
        flex-direction: column;
        gap: 15px;
    }
    
    .sidebar-card {
        background: #ffffff;
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 1px 3px rgba(0,0,0,0.08);
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .sidebar-card-left {
        background: #ffffff;
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 1px 3px rgba(0,0,0,0.08);
        display: flex;
        flex-direction: column;
        text-align: left;
        gap: 10px;
    }
    
    .sidebar-logo-container {
        width: 150px;
        height: 150px;
        background: #062e39;
        border-radius: 50%;
        display: flex;
        justify-content: center;
        align-items: center;
        margin-bottom: 15px;
        padding: 15px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    }
    
    .sidebar-logo-container img {
        max-width: 100%;
        max-height: 100%;
        object-fit: contain;
    }
    
    .sidebar-title {
        font-size: 1.25rem;
        font-weight: 700;
        color: #062e39;
        margin-bottom: 5px;
        font-family: 'Montserrat', sans-serif;
    }
    
    .sidebar-subtitle {
        font-size: 0.85rem;
        color: #556670;
        margin-bottom: 15px;
    }
    
    .sidebar-section-title {
        font-size: 0.95rem;
        font-weight: 600;
        color: #008069;
        margin-bottom: 8px;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    
    .sidebar-desc {
        font-size: 0.9rem;
        color: #111b21;
        line-height: 1.45;
        text-align: justify;
    }
    
    .unit-gallery {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
        width: 100%;
        margin-top: 5px;
    }
    
    .unit-img {
        width: 100%;
        height: 80px;
        object-fit: cover;
        border-radius: 6px;
        cursor: pointer;
        transition: transform 0.2s, filter 0.2s;
    }
    
    .unit-img:hover {
        transform: scale(1.05);
        filter: brightness(0.9);
    }
    
    .sidebar-info-item {
        display: flex;
        gap: 12px;
        align-items: flex-start;
        font-size: 0.9rem;
        color: #111b21;
        border-bottom: 1px solid #f0f2f5;
        padding-bottom: 8px;
    }
    
    .sidebar-info-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
    
    .sidebar-info-icon {
        color: #008069;
        font-size: 1.1rem;
        width: 20px;
        text-align: center;
        margin-top: 2px;
    }
    
    /* Lightbox Modal */
    .lightbox-modal {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.9);
        z-index: 200000;
        justify-content: center;
        align-items: center;
    }
    
    .lightbox-content {
        max-width: 90%;
        max-height: 85%;
        border-radius: 8px;
        box-shadow: 0 5px 25px rgba(0,0,0,0.5);
    }
    
    .lightbox-close {
        position: absolute;
        top: 20px;
        right: 30px;
        color: #fff;
        font-size: 40px;
        font-weight: bold;
        cursor: pointer;
        transition: color 0.2s;
    }
    
    .lightbox-close:hover {
        color: #008069;
    }