/*
 * chatbot.css — RUPSTACK
 * Assistente virtual de pré-atendimento (botão flutuante + painel de conversa)
 */

.chatbot {
    position: fixed;
    right: var(--space-6);
    bottom: var(--space-6);
    z-index: var(--z-menu);
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-4);
    /* Fica invisível e não-clicável até a splash screen de abertura sumir,
       evitando que o clique seja "engolido" pela intro por cima */
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-slow);
}

.chatbot.is-ready {
    opacity: 1;
    pointer-events: auto;
}

/* ── Botão flutuante (FAB) ───────────────────────────── */
.chatbot__fab {
    position: relative;
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-disrupt);
    color: var(--color-white);
    cursor: pointer;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.chatbot__fab:hover {
    transform: translateY(-2px) scale(1.04);
}

.chatbot__fab:focus-visible {
    outline: 2px solid var(--color-white);
    outline-offset: 3px;
}

.chatbot__fab-icon {
    position: absolute;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.chatbot__fab-icon--close {
    opacity: 0;
    transform: scale(0.6) rotate(-45deg);
}

.chatbot.is-open .chatbot__fab-icon--chat {
    opacity: 0;
    transform: scale(0.6) rotate(45deg);
}

.chatbot.is-open .chatbot__fab-icon--close {
    opacity: 1;
    transform: scale(1) rotate(0deg);
}

/* ── Painel de conversa ──────────────────────────────── */
.chatbot__panel {
    position: absolute;
    right: 0;
    bottom: calc(100% + var(--space-4));
    width: min(360px, calc(100vw - var(--space-8)));
    max-height: min(560px, calc(100vh - 140px));
    display: flex;
    flex-direction: column;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px) scale(0.98);
    transform-origin: bottom right;
    transition: opacity var(--transition-base), transform var(--transition-base), visibility 0s linear var(--transition-base);
}

.chatbot.is-open .chatbot__panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    transition: opacity var(--transition-base), transform var(--transition-base), visibility 0s;
}

.chatbot__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: var(--gradient-bg);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.chatbot__header-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.chatbot__header-title {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
}

.chatbot__header-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.chatbot__status-dot {
    width: 7px;
    height: 7px;
    border-radius: var(--radius-full);
    background: var(--color-success);
    box-shadow: 0 0 6px var(--color-success);
}

.chatbot__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.chatbot__close:hover {
    background: var(--color-surface-hover);
    color: var(--color-white);
}

.chatbot__messages {
    flex: 1;
    min-height: 220px;
    overflow-y: auto;
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.chatbot__message {
    max-width: 85%;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    white-space: pre-wrap;
    word-break: break-word;
}

.chatbot__message--bot {
    align-self: flex-start;
    background: var(--color-background-secondary);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    border-bottom-left-radius: var(--radius-sm);
}

.chatbot__message--user {
    align-self: flex-end;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-bottom-right-radius: var(--radius-sm);
}

.chatbot__typing {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: var(--space-3) var(--space-4);
}

.chatbot__typing span {
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    background: var(--color-text-muted);
    animation: chatbot-typing 1s infinite ease-in-out;
}

.chatbot__typing span:nth-child(2) { animation-delay: 0.15s; }
.chatbot__typing span:nth-child(3) { animation-delay: 0.3s; }

@keyframes chatbot-typing {
    0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
    30% { opacity: 1; transform: translateY(-3px); }
}

/* ── Área de entrada (texto / escolhas / ação final) ─── */
.chatbot__input-area {
    flex-shrink: 0;
    padding: 0 var(--space-5) var(--space-4);
}

.chatbot__form {
    display: flex;
    align-items: flex-end;
    gap: var(--space-2);
}

.chatbot__text-input {
    flex: 1;
    resize: none;
    background: var(--color-background-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-3);
    color: var(--color-white);
    font-family: var(--font-family);
    font-size: var(--text-sm);
    transition: border-color var(--transition-fast);
}

.chatbot__text-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.chatbot__send-btn {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--radius-md);
    background: var(--color-primary);
    color: var(--color-white);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.chatbot__send-btn:hover {
    background: var(--color-primary-dark);
}

.chatbot__skip-btn {
    margin-top: var(--space-2);
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    text-decoration: underline;
    cursor: pointer;
    padding: var(--space-1) 0;
}

.chatbot__skip-btn:hover {
    color: var(--color-text);
}

.chatbot__choices {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.chatbot__choice-btn {
    text-align: left;
    padding: var(--space-3) var(--space-4);
    background: var(--color-background-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

.chatbot__choice-btn:hover,
.chatbot__choice-btn:focus-visible {
    border-color: var(--color-primary);
    background: var(--color-surface-hover);
    color: var(--color-white);
}

.chatbot__summary-actions {
    display: flex;
}

.chatbot__whatsapp-btn {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: #25d366;
    color: #06210f;
    font-weight: var(--font-weight-semibold);
    font-size: var(--text-sm);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: filter var(--transition-fast);
}

.chatbot__whatsapp-btn:hover {
    filter: brightness(1.08);
}

.chatbot__footer {
    flex-shrink: 0;
    text-align: center;
    padding: var(--space-2) var(--space-5) var(--space-4);
}

.chatbot__restart {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    cursor: pointer;
    text-decoration: underline;
}

.chatbot__restart:hover {
    color: var(--color-text);
}

/* ── Responsivo: painel ocupa quase a tela inteira no mobile ── */
@media (max-width: 480px) {
    .chatbot {
        right: var(--space-4);
        bottom: var(--space-4);
    }

    .chatbot__panel {
        width: calc(100vw - var(--space-8));
        max-height: min(70vh, 520px);
    }
}

/* ── Movimento reduzido ──────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .chatbot,
    .chatbot__fab,
    .chatbot__panel,
    .chatbot__fab-icon,
    .chatbot__typing span {
        transition: none !important;
        animation: none !important;
    }
}