:root {
    --primary-color: #FFC000;
    --secondary-color: #333333;
    --dark-bg: #0d0d0d;
    --darker-bg: #080808;
    --light-text: #ffffff;
    --gray-text: #cccccc;
    --border-color: #404040;
    --user-message-bg: #1a1a1a;
    --bot-message-bg: #262626;
    --input-bg: #1a1a1a;
    --button-hover: #e6ac00;
    --suggestion-bg: #333333;
    --suggestion-hover: #404040;
    --error-color: #ff4444;
    --success-color: #00c851;
    --warning-color: #ffbb33;
    --checkout-bg: #1a1a1a;
    --checkout-header-bg: #222222;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--dark-bg);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--light-text);
    padding: 0;
    overflow: hidden;
    line-height: 1.5;
}

.container {
    width: 100%;
    height: 100vh;
    margin: 0;
    padding: 0;
}

.chat-app-container {
    background: var(--dark-bg);
    overflow: hidden;
    height: 100vh;
    display: flex;
    flex-direction: column;
    border: none;
    border-radius: 0;
    position: relative;
}

/* Cabeçalho do Chat */
.chat-app-header {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #222222 100%);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 2px solid var(--primary-color);
    flex-shrink: 0;
}

.chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
    flex-shrink: 0;
}

.chat-header-content {
    min-width: 0;
}

.chat-header-content h1 {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-subtitle {
    color: var(--gray-text);
    font-size: 0.75rem;
    opacity: 0.9;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Área de Mensagens */
.chat-messages {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    background: var(--darker-bg);
    scrollbar-width: none;
    height: calc(100vh - 140px);
    display: flex;
    flex-direction: column;
    -webkit-overflow-scrolling: touch;
}

.chat-messages::-webkit-scrollbar {
    width: 4px;
}

.chat-messages::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 2px;
}

/* Mensagens */
.message {
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    max-width: 90%;
    animation: fadeIn 0.3s ease;
}

.user-message {
    align-self: flex-end;
    align-items: flex-end;
}

.bot-message {
    align-self: flex-start;
    align-items: flex-start;
}

.message-content {
    padding: 12px 16px;
    border-radius: 18px;
    margin-bottom: 6px;
    position: relative;
    line-height: 1.5;
    word-wrap: break-word;
    -webkit-user-select: text;
    user-select: text;
    overflow-wrap: break-word;
    word-break: break-word;
    max-width: 100%;
}

.user-message .message-content {
    background: var(--user-message-bg);
    color: var(--light-text);
    border-bottom-right-radius: 5px;
    border: 1px solid var(--border-color);
}

.bot-message .message-content {
    background: var(--bot-message-bg);
    color: var(--light-text);
    border-bottom-left-radius: 5px;
    border: 1px solid var(--border-color);
}

/* Estados especiais de mensagem */
.approved-message .message-content {
    border-left: 4px solid var(--success-color);
    background: linear-gradient(135deg, var(--bot-message-bg) 0%, #1a2e1a 100%);
}

.rejected-message .message-content {
    border-left: 4px solid var(--error-color);
    background: linear-gradient(135deg, var(--bot-message-bg) 0%, #2e1a1a 100%);
}

.patient-tone .message-content {
    border-left: 4px solid var(--primary-color);
    background: linear-gradient(135deg, var(--bot-message-bg) 0%, #2a2a2a 100%);
}

.message-content strong {
    color: var(--primary-color);
    font-weight: 600;
}

.message-content a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    word-break: break-all;
}

.message-content a:hover {
    text-decoration: underline;
}

.message-content ul {
    margin: 8px 0;
    padding-left: 20px;
}

.message-content li {
    margin-bottom: 4px;
    color: var(--gray-text);
}

.message-time {
    font-size: 0.65rem;
    color: var(--gray-text);
    opacity: 0.7;
    margin-top: 4px;
}

/* Input Area */
.chat-input-container {
    padding: 12px 16px;
    background: var(--dark-bg);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 8px;
    align-items: center;
    flex-shrink: 0;
}

#user-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 24px;
    background: var(--input-bg);
    color: var(--light-text);
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
    min-width: 0;
    -webkit-appearance: none;
}

#user-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 192, 0, 0.1);
}

#user-input::placeholder {
    color: var(--gray-text);
}

#send-button, #reset-button {
    padding: 12px 16px;
    border: none;
    border-radius: 24px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    white-space: nowrap;
    flex-shrink: 0;
    touch-action: manipulation;
}

#send-button {
    background: var(--primary-color);
    color: #000000;
    min-width: auto;
}

#send-button:hover, #send-button:active {
    background: var(--button-hover);
    transform: translateY(-1px);
}

#reset-button {
    background: transparent;
    color: var(--gray-text);
    border: 2px solid var(--border-color);
}

#reset-button:hover, #reset-button:active {
    background: var(--border-color);
    color: var(--light-text);
}

/* Botões de Sugestão */
.suggestion-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.suggestion-button {
    padding: 10px 16px;
    background: var(--suggestion-bg);
    color: var(--light-text);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.85rem;
    white-space: nowrap;
    flex-shrink: 0;
    touch-action: manipulation;
}

.suggestion-button:hover, .suggestion-button:active {
    background: var(--suggestion-hover);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Botões de Serviço */
.service-buttons {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 12px;
}

.service-button {
    padding: 12px 16px;
    background: var(--suggestion-bg);
    color: var(--light-text);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    text-align: left;
    word-break: break-word;
    touch-action: manipulation;
}

.service-button:hover, .service-button:active {
    background: var(--suggestion-hover);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateX(4px);
}

/* Botão de Ação */
.action-button {
    margin-top: 12px;
    padding: 12px 20px;
    background: var(--primary-color);
    color: #000000;
    border: none;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
    touch-action: manipulation;
}

.action-button:hover, .action-button:active {
    background: var(--button-hover);
    transform: translateY(-2px);
}

.action-button:disabled {
    background: var(--gray-text);
    cursor: not-allowed;
    transform: none !important;
    opacity: 0.6;
}

/* Botão de Copiar PIX */
.copy-pix-button {
    background: linear-gradient(135deg, #00c851 0%, #007e33 100%);
    color: white;
    font-weight: 600;
}

.copy-pix-button:hover {
    background: linear-gradient(135deg, #00e85a 0%, #009939 100%);
}

/* Botão de Pagamento Específico */
.payment-button {
    background: linear-gradient(135deg, var(--primary-color) 0%, #ffd700 100%);
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(255, 192, 0, 0.3);
}

.payment-button:hover {
    background: linear-gradient(135deg, var(--button-hover) 0%, #e6c200 100%);
    box-shadow: 0 6px 16px rgba(255, 192, 0, 0.4);
}

/* Botão de Cancelamento */
.cancel-button {
    background: linear-gradient(135deg, var(--error-color) 0%, #cc0000 100%);
    color: white;
    font-weight: 600;
}

.cancel-button:hover {
    background: linear-gradient(135deg, #ff6666 0%, #ff0000 100%);
}

/* Container de Checkout - MELHORADO */
.checkout-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--checkout-bg);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.checkout-header {
    background: var(--checkout-header-bg);
    padding: 16px;
    border-bottom: 2px solid var(--primary-color);
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    z-index: 10;
}

.back-button {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 10px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.back-button:hover {
    background: var(--primary-color);
    color: #000000;
    transform: translateX(-2px);
}

.checkout-header h2 {
    color: var(--light-text);
    font-size: 1.3rem;
    margin: 0;
    flex: 1;
    text-align: center;
}

.checkout-content {
    flex: 1;
    display: flex;
    padding: 20px;
    gap: 20px;
    overflow: hidden;
    height: calc(100% - 80px);
}

/* Payment Brick em tela cheia - MELHORADO */
.payment-brick-full {
    flex: 2;
    background: var(--bot-message-bg);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border-color);
    min-height: auto;
    height: 100%;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    position: relative;
}

/* Garantir que o container interno do Mercado Pago seja responsivo */
.payment-brick-full .mp-payment-methods-container,
.payment-brick-full .mp-checkout-pro-container,
.payment-brick-full .mercadopago-button {
    width: 100% !important;
    max-width: 100% !important;
}

/* Permitir scroll no formulário de pagamento */
.payment-brick-full form {
    height: auto !important;
    min-height: 100% !important;
    overflow: visible !important;
}

/* Resumo do Pedido - MELHORADO */
.order-summary {
    flex: 1;
    background: var(--bot-message-bg);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border-color);
    max-width: 300px;
    height: fit-content;
    max-height: 100%;
    overflow-y: auto;
    position: sticky;
    top: 0;
}

.order-summary h3 {
    color: var(--primary-color);
    margin-bottom: 16px;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.order-summary p {
    margin-bottom: 8px;
    color: var(--light-text);
    font-size: 0.9rem;
}

.order-summary p:last-child {
    margin-bottom: 0;
    font-weight: 600;
    color: var(--primary-color);
}

/* QR Code e Imagens nas Mensagens */
.message-content img {
    max-width: 200px;
    height: auto;
    border-radius: 8px;
    margin: 10px 0;
    border: 2px solid var(--primary-color);
    display: block;
    background: white;
    padding: 8px;
}

/* Indicador de Digitação */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 16px;
    background: var(--bot-message-bg);
    border-radius: 16px;
    margin-bottom: 16px;
    align-self: flex-start;
    color: var(--gray-text);
    font-size: 0.85rem;
    max-width: 120px;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: typingAnimation 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingAnimation {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.6;
    }
    30% {
        transform: translateY(-4px);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Estados de erro e sucesso */
.message-error {
    border-left: 4px solid var(--error-color);
}

.message-success {
    border-left: 4px solid var(--success-color);
}

/* Progresso do agendamento */
.agendamento-progresso {
    margin: 8px 0;
    font-size: 0.8rem;
    color: var(--primary-color);
    font-weight: 500;
}

/* Ícones de status de pagamento */
.payment-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    padding: 6px 12px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.85rem;
}

.payment-status.approved {
    background: rgba(0, 200, 81, 0.2);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.payment-status.rejected {
    background: rgba(255, 68, 68, 0.2);
    color: var(--error-color);
    border: 1px solid var(--error-color);
}

.payment-status.pending {
    background: rgba(255, 187, 51, 0.2);
    color: var(--warning-color);
    border: 1px solid var(--warning-color);
}

/* Responsividade para diferentes tamanhos de tela */
@media (max-width: 768px) {
    .chat-app-header {
        padding: 10px 14px;
    }
    
    .chat-avatar {
        width: 36px;
        height: 36px;
    }
    
    .chat-header-content h1 {
        font-size: 1.2rem;
    }
    
    .chat-messages {
        padding: 14px;
        height: calc(100vh - 170px);
    }
    
    .message {
        max-width: 92%;
    }
    
    .message-content {
        padding: 10px 14px;
        font-size: 0.95rem;
    }
    
    .chat-input-container {
        padding: 10px 14px;
        flex-direction: column;
        gap: 10px;
    }
    
    #user-input {
        padding: 14px 16px;
        font-size: 1rem;
        width: 100%;
        order: 1;
    }
    
    #send-button, #reset-button {
        padding: 12px;
        font-size: 0.9rem;
        width: 100%;
        order: 2;
    }
    
    .suggestion-button, .service-button {
        padding: 10px 14px;
        font-size: 0.85rem;
    }
    
    .message-content img {
        max-width: 150px;
    }
    
    /* Checkout responsivo - MELHORADO */
    .checkout-content {
        flex-direction: column;
        padding: 16px;
        gap: 16px;
        height: calc(100% - 70px);
    }
    
    .payment-brick-full {
        min-height: 400px;
        order: 2;
        flex: 1;
        height: auto;
        overflow-y: auto;
    }
    
    .order-summary {
        max-width: 100%;
        order: 1;
        position: static;
        height: auto;
    }
    
    .checkout-header {
        padding: 12px 16px;
    }
    
    .back-button {
        padding: 8px 12px;
        font-size: 0.9rem;
    }
    
    .checkout-header h2 {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .chat-app-header {
        padding: 8px 12px;
    }
    
    .chat-header-content h1 {
        font-size: 1.1rem;
    }
    
    .chat-subtitle {
        font-size: 0.7rem;
    }
    
    .chat-messages {
        padding: 12px;
        height: calc(100vh - 170px);
    }
    
    .message {
        max-width: 95%;
        margin-bottom: 14px;
    }
    
    .message-content {
        padding: 10px 12px;
        font-size: 0.9rem;
        border-radius: 16px;
    }
    
    .chat-input-container {
        padding: 10px 12px;
        gap: 8px;
    }
    
    #user-input {
        padding: 14px;
        font-size: 16px;
    }
    
    #send-button, #reset-button {
        padding: 12px;
        font-size: 0.9rem;
    }
    
    .suggestion-buttons, .service-buttons {
        gap: 6px;
    }
    
    .suggestion-button, .service-button {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
    
    .typing-indicator {
        padding: 10px 14px;
        font-size: 0.8rem;
    }
    
    .message-content img {
        max-width: 120px;
    }
    
    /* Checkout mobile pequeno - MELHORADO */
    .checkout-content {
        padding: 12px;
        height: calc(100% - 65px);
    }
    
    .payment-brick-full {
        padding: 16px;
        min-height: 350px;
        overflow-y: auto;
    }
    
    .order-summary {
        padding: 16px;
    }
}

@media (max-width: 360px) {
    .chat-messages {
        height: calc(100vh - 180px);
    }
    
    #send-button, #reset-button {
        padding: 10px;
    }
    
    .suggestion-button, .service-button {
        padding: 6px 10px;
        font-size: 0.75rem;
    }
    
    /* Checkout para telas muito pequenas - MELHORADO */
    .checkout-header {
        padding: 10px 12px;
    }
    
    .back-button {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
    
    .checkout-header h2 {
        font-size: 1rem;
    }
    
    .checkout-content {
        padding: 10px;
        height: calc(100% - 60px);
    }
    
    .payment-brick-full, .order-summary {
        padding: 12px;
    }
}

/* Ajuste fino para mobile em telas muito curtas */
@media (max-width: 480px) and (max-height: 700px) {
    .chat-messages {
        height: calc(100vh - 160px);
        padding: 10px;
    }
    
    .chat-input-container {
        padding: 8px 12px;
    }
    
    .message {
        margin-bottom: 12px;
    }
    
    /* Checkout em telas curtas - MELHORADO */
    .checkout-content {
        padding: 10px;
        height: calc(100% - 55px);
    }
    
    .payment-brick-full {
        min-height: 300px;
        overflow-y: auto;
    }
}

/* Melhorias de acessibilidade */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .typing-indicator,
    .typing-dot {
        animation: none !important;
    }
}

button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Prevenir zoom em inputs no iOS */
@media screen and (max-width: 768px) {
    input, select, textarea {
        font-size: 16px !important;
    }
}

/* Adicionado transições suaves para botões e entradas */
button, input {
    transition: all 0.3s ease;
}

button:hover, input:focus {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

/* Melhorado contraste de texto */
body {
    color: var(--light-text);
    background: var(--dark-bg);
}

/* Garantir que elementos ocultos sejam realmente ocultos */
[hidden] {
    display: none !important;
}

/* Melhorar legibilidade em textos longos */
.message-content {
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ESTILOS ADICIONAIS PARA O PAYMENT BRICK - NOVOS */
/* Garantir que o container do Mercado Pago seja totalmente visível e scrollável */
.mercadopago-bricks {
    width: 100% !important;
    height: 100% !important;
    overflow: visible !important;
}

.mp-checkout-pro-container {
    width: 100% !important;
    max-width: 100% !important;
    min-height: 100% !important;
    overflow: visible !important;
}

/* Permitir scroll em todos os elementos do formulário de pagamento */
.payment-brick-full * {
    max-height: none !important;
    overflow: visible !important;
}

/* Garantir que os campos de entrada sejam acessíveis */
.payment-brick-full input,
.payment-brick-full select,
.payment-brick-full button {
    -webkit-appearance: none;
    appearance: none;
    border-radius: 4px;
}

/* Scroll personalizado para o container de pagamento */
.payment-brick-full::-webkit-scrollbar {
    width: 6px;
}

.payment-brick-full::-webkit-scrollbar-track {
    background: var(--dark-bg);
    border-radius: 3px;
}

.payment-brick-full::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

.payment-brick-full::-webkit-scrollbar-thumb:hover {
    background: var(--button-hover);
}

/* Garantir responsividade em telas muito pequenas */
@media (max-width: 320px) {
    .checkout-content {
        padding: 8px;
    }
    
    .payment-brick-full {
        padding: 12px 8px;
    }
    
    .order-summary {
        padding: 12px 8px;
    }
}

/* Ajustes para garantir que o formulário não quebre */
.payment-brick-full form > div {
    width: 100% !important;
    max-width: 100% !important;
}

/* Forçar quebra de linha em textos longos dentro do payment brick */
.payment-brick-full .mp-form-control-label,
.payment-brick-full .mp-form-control-help {
    word-break: break-word !important;
    white-space: normal !important;
}

/* Animações para estados de pagamento */
@keyframes pulseSuccess {
    0% { box-shadow: 0 0 0 0 rgba(0, 200, 81, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(0, 200, 81, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 200, 81, 0); }
}

@keyframes pulseError {
    0% { box-shadow: 0 0 0 0 rgba(255, 68, 68, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(255, 68, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 68, 68, 0); }
}

.approved-message .message-content {
    animation: pulseSuccess 2s infinite;
}

.rejected-message .message-content {
    animation: pulseError 2s infinite;
}

/* Botões de confirmação rápida */
.quick-confirm-buttons {
    display: flex;
    gap: 10px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.quick-confirm-button {
    padding: 10px 16px;
    border: none;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    flex: 1;
    min-width: 80px;
    text-align: center;
}

.quick-confirm-button.confirm {
    background: var(--success-color);
    color: white;
}

.quick-confirm-button.cancel {
    background: var(--error-color);
    color: white;
}

.quick-confirm-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}