/* Chat Widget - IA Assistente EletroTec Pro */

/* FAB Button - Floating Action Button (mesmo padrão visual de .btn-fab em app.css) */
.chat-fab-button {
    position: fixed;
    bottom: calc(25px + env(safe-area-inset-bottom));
    right: calc(25px + env(safe-area-inset-right));
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--app-primary, #FFD700);
    color: #000;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    z-index: 9999;
    transition: transform 0.2s ease;
}

.chat-fab-button:hover {
    transform: scale(1.1);
}

.chat-fab-button:active {
    transform: scale(0.95);
}

.chat-fab-button.hidden {
    display: none;
}

/* Main Chat Widget Container */
#chat-widget {
    position: fixed;
    bottom: calc(85px + env(safe-area-inset-bottom));
    right: calc(25px + env(safe-area-inset-right));
    width: 400px;
    height: 600px;
    background: var(--card-bg, #ffffff);
    border-radius: 16px;
    box-shadow: 0 5px 40px rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    z-index: 9999;
    overflow: hidden;
    transition: all 0.3s ease;
}

#chat-widget.hidden {
    display: none;
}

/* Header (mesmo padrão de .app-header: fundo quase-preto, texto dourado) */
.chat-header {
    background: var(--app-secondary, #111);
    color: var(--app-primary, #FFD700);
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.chat-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    font-family: 'Montserrat', sans-serif;
}

.chat-header-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.chat-clear-btn,
.chat-close-btn {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: 15px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    transition: background 0.2s ease, transform 0.2s ease;
}

.chat-clear-btn:hover,
.chat-close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.chat-close-btn:hover {
    transform: rotate(90deg);
}

/* Messages Container */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: var(--app-bg, #f4f6f8);
}

/* Message Styles */
.chat-message {
    display: flex;
    flex-direction: column;
    animation: slideInMessage 0.3s ease-out;
    max-width: 85%;
}

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

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

.chat-message.user .chat-message-content {
    background: var(--app-primary, #FFD700);
    color: #000;
    border-radius: 16px 16px 4px 16px;
}

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

.chat-message.assistant .chat-message-content {
    background: var(--input-bg, #e8ecf1);
    color: var(--app-text, #333);
    border-radius: 16px 16px 16px 4px;
}

.chat-message-content {
    padding: 12px 16px;
    font-size: 13px;
    line-height: 1.5;
    word-wrap: break-word;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.chat-message-content p {
    margin: 0 0 8px 0;
}

.chat-message-content p:last-child {
    margin-bottom: 0;
}

.chat-message-content ul {
    margin: 6px 0;
    padding-left: 18px;
}

.chat-message-content li {
    margin-bottom: 2px;
}

.chat-message-content strong {
    font-weight: 700;
}

/* Feedback 👍/👎 (mensagens do assistente) */
.chat-feedback {
    display: flex;
    gap: 4px;
    margin-top: 4px;
    margin-left: 4px;
}

.chat-feedback-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 13px;
    line-height: 1;
    opacity: 0.45;
    padding: 3px 5px;
    border-radius: 6px;
    transition: opacity 0.2s ease, background 0.2s ease;
}

.chat-feedback-btn:hover:not(:disabled) {
    opacity: 1;
    background: var(--input-bg, #e8ecf1);
}

.chat-feedback-btn.selected {
    opacity: 1;
}

.chat-feedback-btn:disabled {
    cursor: default;
}

/* Action Confirmation */
.chat-action-confirm {
    background: var(--card-bg, #fff);
    border: 1px solid var(--input-border, #ddd);
    border-radius: 12px;
    padding: 14px;
    margin: 8px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.chat-action-confirm p {
    margin: 0 0 12px 0;
    font-size: 12px;
    color: var(--app-text, #333);
}

.chat-action-buttons {
    display: flex;
    gap: 8px;
    justify-content: flex-start;
}

.chat-action-buttons button {
    flex: 1;
    padding: 8px 12px;
    font-size: 12px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s ease;
}

.chat-action-buttons .btn-sim {
    background: var(--success, #00C853);
    color: #fff;
}

.chat-action-buttons .btn-sim:hover {
    filter: brightness(0.9);
    transform: translateY(-2px);
}

.chat-action-buttons .btn-nao {
    background: var(--danger, #ff4757);
    color: #fff;
}

.chat-action-buttons .btn-nao:hover {
    filter: brightness(0.9);
    transform: translateY(-2px);
}

/* Typing indicator (bolinhas animadas, estilo bolha de mensagem) */
.chat-typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
    background: var(--input-bg, #e8ecf1);
    border-radius: 16px 16px 16px 4px;
    width: fit-content;
}

.chat-typing-indicator span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--app-text, #333);
    opacity: 0.4;
    animation: chatTypingBounce 1.2s infinite ease-in-out;
}

.chat-typing-indicator span:nth-child(2) {
    animation-delay: 0.15s;
}

.chat-typing-indicator span:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes chatTypingBounce {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-4px);
        opacity: 1;
    }
}

/* Input Area */
.chat-input-area {
    padding: 12px;
    background: var(--card-bg, #fff);
    border-top: 1px solid var(--input-border, #ddd);
    display: flex;
    gap: 8px;
    align-items: flex-end;
    flex-shrink: 0;
}

.chat-input-area textarea {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid var(--input-border, #ddd);
    border-radius: 8px;
    background: var(--input-bg, #fff);
    color: var(--app-text, #333);
    font-family: 'Roboto', sans-serif;
    font-size: 12px;
    resize: none;
    min-height: 36px;
    max-height: 100px;
    line-height: 1.4;
}

.chat-input-area textarea:focus {
    border-color: var(--app-primary, #FFD700);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
}

/* Send Button */
.chat-send-btn {
    width: 36px;
    height: 36px;
    padding: 0;
    border: none;
    border-radius: 8px;
    background: var(--app-primary, #FFD700);
    color: #000;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.chat-send-btn:hover:not(:disabled) {
    filter: brightness(0.92);
    transform: translateY(-2px);
}

.chat-send-btn:disabled {
    background: #bbb;
    cursor: not-allowed;
    opacity: 0.6;
}

/* Hidden Class */
.hidden {
    display: none !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    #chat-widget {
        width: 90vw;
        height: 80vh;
        max-width: 400px;
        bottom: 70px;
        right: 10px;
    }

    .chat-message {
        max-width: 90%;
    }

    .chat-fab-button {
        bottom: calc(20px + env(safe-area-inset-bottom));
        right: calc(20px + env(safe-area-inset-right));
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    #chat-widget {
        width: 100vw;
        height: 100vh;
        max-width: none;
        bottom: 0;
        right: 0;
        border-radius: 0;
        bottom: env(safe-area-inset-bottom);
        right: env(safe-area-inset-right);
    }

    .chat-fab-button {
        bottom: 20px;
        right: 20px;
    }
}

/* Scrollbar Styling */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: rgba(255, 215, 0, 0.35);
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 215, 0, 0.55);
}