.chat-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: transparent;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.chat-modal-overlay.active {
    opacity: 1;
    /* Overlay não bloqueia cliques na tela de fundo */
    pointer-events: none;
}

.chat-modal {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    pointer-events: none;
    visibility: hidden;
    /* Permite interação com o modal */
    background: var(--clr-bg-main);
    width: 90%;
    max-width: 450px;
    height: 85vh;
    max-height: 650px;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateY(20px) scale(0.95);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
    opacity: 0;
}

.chat-modal-overlay.active .chat-modal {
    transform: translateY(0) scale(1);
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
}

/* Chat Header */
.chat-header {
    background: linear-gradient(135deg, var(--clr-secondary) 0%, var(--clr-primary) 100%);
    color: var(--clr-text-light);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: grab;
}

.chat-header:active {
    cursor: grabbing;
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.chat-avatar {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.chat-title h3 {
    font-size: 1.1rem;
    margin: 0;
    color: var(--clr-text-light);
}

.chat-title p {
    font-size: 0.8rem;
    margin: 0;
    opacity: 0.8;
}

.chat-close-btn {
    background: none;
    border: none;
    color: var(--clr-text-light);
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0.8;
    transition: var(--transition);
}

.chat-close-btn:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* Chat Views */
.chat-view {
    display: none;
    flex: 1;
    flex-direction: column;
    background: #f8f9fa;
    position: relative;
    overflow: auto;
}

.chat-view.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateX(10px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Main Menu View */
.chat-menu-view {
    padding: 2rem 1.5rem;
    justify-content: center;
    gap: 1rem;
}

.chat-menu-view h4 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--clr-secondary);
}

.chat-menu-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    padding: 1rem;
    background: var(--clr-bg-main);
    border: 1px solid var(--clr-border);
    border-radius: var(--border-radius);
    text-align: left;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    color: var(--clr-text-main);
    cursor: pointer;
    transition: var(--transition);
}

.chat-menu-btn:hover {
    border-color: var(--clr-primary);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.chat-menu-btn i {
    font-size: 1.2rem;
    color: var(--clr-primary);
    width: 24px;
    text-align: center;
}

/* Back Button for inner views */
.chat-back-bar {
    padding: 0.5rem 1rem;
    background: #fff;
    border-bottom: 1px solid var(--clr-border);
    display: flex;
    align-items: center;
}

.chat-back-btn {
    background: none;
    border: none;
    color: var(--clr-text-muted);
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.chat-back-btn:hover {
    color: var(--clr-primary);
}

/* Conversation/IA View */
.chat-messages {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.message {
    max-width: 85%;
    padding: 0.8rem 1rem;
    border-radius: 12px;
    font-size: 0.95rem;
    line-height: 1.4;
    word-wrap: break-word;
}

.message.bot {
    align-self: flex-start;
    background: #fff;
    color: #333;
    border: 1px solid var(--clr-border);
    border-bottom-left-radius: 0;
}

.message.user {
    align-self: flex-end;
    background: var(--clr-primary);
    color: #fff;
    border-bottom-right-radius: 0;
}

/* Typing Indicator Loading */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 5px 10px;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background: var(--clr-text-muted);
    border-radius: 50%;
    animation: typing 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 typing {

    0%,
    80%,
    100% {
        transform: scale(0);
    }

    40% {
        transform: scale(1);
    }
}

/* Input Area */
.chat-input-area {
    padding: 1rem;
    background: #fff;
    border-top: 1px solid var(--clr-border);
    display: flex;
    gap: 0.5rem;
}

.chat-input-area input {
    flex: 1;
    padding: 0.8rem 1rem;
    border: 1px solid var(--clr-border);
    border-radius: 20px;
    outline: none;
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

.chat-input-area input:focus {
    border-color: var(--clr-primary);
}

.chat-input-area button {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--clr-primary);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
}

.chat-input-area button:hover {
    background: var(--clr-primary-dark);
    transform: scale(1.05);
}

/* Calendar/Meeting View */
.meeting-form {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--clr-secondary);
    font-size: 0.9rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--clr-border);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 0.95rem;
    background: #fff;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--clr-primary);
}

.meeting-form .btn {
    margin-top: 1rem;
    width: 100%;
}

/* Support View */
.support-view-content {
    padding: 2rem 1.5rem;
    text-align: center;
}

.support-view-content i {
    font-size: 3rem;
    color: var(--clr-primary);
    margin-bottom: 1rem;
}

.support-view-content h4 {
    margin-bottom: 1rem;
    color: var(--clr-secondary);
}

.support-view-content p {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}