/* ============================================================================
   Chat Widget "Luana" — landing
   ============================================================================
   - Botao flutuante (esquerda, evita colidir com WhatsApp a direita)
   - Painel modal (320x480 desktop; full-width mobile)
   - Respeita data-theme (light/dark)
   - z-index 9500 (abaixo do img-modal=9999 pra nao conflitar com lightbox)
   ============================================================================ */

.chat-widget {
    --chat-color: #0D9F6E;
    --chat-bg: #ffffff;
    --chat-fg: #0f172a;
    --chat-muted: #64748b;
    --chat-border: #e5e7eb;
    --chat-bubble-user: var(--chat-color);
    --chat-bubble-user-fg: #ffffff;
    --chat-bubble-bot: #f1f5f9;
    --chat-bubble-bot-fg: #0f172a;
    /* Posicionado ACIMA do botao WhatsApp (que esta em bottom:96px na landing).
       96 + 68 (h whatsapp aumentado) + 16 (gap) = 180px desktop.
       Mobile usa CSS var sobrescrito no @media. */
    --chat-toggle-bottom: 180px;
    --chat-toggle-size: 72px;
    --chat-panel-gap: 16px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    z-index: 9500;
}

[data-theme="dark"] .chat-widget {
    --chat-bg: #1f2937;
    --chat-fg: #f9fafb;
    --chat-muted: #9ca3af;
    --chat-border: #374151;
    --chat-bubble-bot: #374151;
    --chat-bubble-bot-fg: #f9fafb;
}

/* ---------------------------------------------------------------------------
   Botao flutuante
   --------------------------------------------------------------------------- */
.chat-widget__toggle {
    position: fixed;
    bottom: var(--chat-toggle-bottom);
    width: var(--chat-toggle-size);
    height: var(--chat-toggle-size);
    border-radius: 50%;
    background: var(--chat-color);
    /* Borda mais grossa pra destacar o avatar como se fosse foto de perfil */
    border: 4px solid #ffffff;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(13, 159, 110, 0.4), 0 0 0 2px var(--chat-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 200ms ease, box-shadow 200ms ease;
    z-index: 9500;
    padding: 0;
    overflow: hidden;
}
.chat-widget__toggle:hover { transform: scale(1.08); box-shadow: 0 12px 32px rgba(13, 159, 110, 0.5), 0 0 0 2px var(--chat-color); }
.chat-widget__toggle:focus-visible { outline: 3px solid var(--chat-color); outline-offset: 4px; }

[data-theme="dark"] .chat-widget__toggle { border-color: #1f2937; }

.chat-widget--left  .chat-widget__toggle { left: 24px; }
.chat-widget--right .chat-widget__toggle { right: 24px; }

.chat-widget__toggle-avatar { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.chat-widget__toggle-icon { color: #fff; }

/* ---------------------------------------------------------------------------
   Indicador "online" — bolinha verde POR FORA do toggle (sibling, nao ::after
   interno). Evita ser cortada pelo overflow:hidden do toggle.
   --------------------------------------------------------------------------- */
.chat-widget__online {
    position: fixed;
    width: 16px;
    height: 16px;
    background: #10b981;
    border: 3px solid #ffffff;
    border-radius: 50%;
    z-index: 9501;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    animation: chat-online-pulse 2s ease-out infinite;
    pointer-events: none;
}
[data-theme="dark"] .chat-widget__online { border-color: #1f2937; }

.chat-widget--right .chat-widget__online {
    right: 22px;
    bottom: calc(var(--chat-toggle-bottom) + var(--chat-toggle-size) - 18px);
}
.chat-widget--left .chat-widget__online {
    left: 22px;
    bottom: calc(var(--chat-toggle-bottom) + var(--chat-toggle-size) - 18px);
}

@keyframes chat-online-pulse {
    0%   { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
    70%  { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

@media (max-width: 600px) {
    .chat-widget__online { width: 14px; height: 14px; border-width: 2px; }
    .chat-widget--right .chat-widget__online {
        right: 16px;
        bottom: calc(var(--chat-toggle-bottom) + var(--chat-toggle-size) - 16px);
    }
    .chat-widget--left .chat-widget__online {
        left: 16px;
        bottom: calc(var(--chat-toggle-bottom) + var(--chat-toggle-size) - 16px);
    }
}

/* ---------------------------------------------------------------------------
   Preview bubble — chamada que aparece ~3s apos load.
   Posicionada AO LADO do toggle (esquerda do toggle quando side=right).
   --------------------------------------------------------------------------- */
.chat-widget__preview {
    position: fixed;
    bottom: var(--chat-toggle-bottom);
    display: none;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--chat-bg);
    color: var(--chat-fg);
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--chat-border);
    font-size: 14px;
    line-height: 1.35;
    max-width: 240px;
    z-index: 9499;
    cursor: pointer;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 280ms ease, transform 280ms ease;
}
.chat-widget--right .chat-widget__preview {
    right: calc(var(--chat-toggle-size) + 40px);
    /* Alinha verticalmente ao centro do toggle */
    bottom: calc(var(--chat-toggle-bottom) + (var(--chat-toggle-size) / 2) - 26px);
}
.chat-widget--left .chat-widget__preview {
    left: calc(var(--chat-toggle-size) + 40px);
    bottom: calc(var(--chat-toggle-bottom) + (var(--chat-toggle-size) / 2) - 26px);
}
.chat-widget__preview.is-visible {
    display: flex;
    opacity: 1;
    transform: translateY(0);
    animation: chat-preview-bounce 600ms ease 280ms;
}
@keyframes chat-preview-bounce {
    0%   { transform: translateY(0); }
    30%  { transform: translateY(-3px); }
    60%  { transform: translateY(0); }
    100% { transform: translateY(0); }
}

/* Seta apontando pro toggle */
.chat-widget--right .chat-widget__preview::after {
    content: '';
    position: absolute;
    right: -7px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: var(--chat-bg);
    border-right: 1px solid var(--chat-border);
    border-top: 1px solid var(--chat-border);
}
.chat-widget--left .chat-widget__preview::after {
    content: '';
    position: absolute;
    left: -7px;
    top: 50%;
    transform: translateY(-50%) rotate(225deg);
    width: 12px;
    height: 12px;
    background: var(--chat-bg);
    border-right: 1px solid var(--chat-border);
    border-top: 1px solid var(--chat-border);
}

.chat-widget__preview-text { flex: 1; }
.chat-widget__preview-close {
    background: transparent;
    border: none;
    color: var(--chat-muted);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 0;
    transition: background 150ms ease;
}
.chat-widget__preview-close:hover { background: var(--chat-border); }

/* Mobile: bubble menor + acima do toggle ao inves de ao lado */
@media (max-width: 600px) {
    .chat-widget--right .chat-widget__preview,
    .chat-widget--left .chat-widget__preview {
        max-width: calc(100vw - 100px);
        font-size: 13px;
        padding: 10px 14px;
        /* No mobile, fica logo acima do toggle (vertical), nao ao lado */
        bottom: calc(var(--chat-toggle-bottom) + var(--chat-toggle-size) + 10px);
        right: 16px;
        left: auto;
    }
    .chat-widget__preview::after { display: none; } /* seta nao faz sentido nessa orientacao */
}

/* ---------------------------------------------------------------------------
   Painel
   --------------------------------------------------------------------------- */
.chat-widget__panel {
    position: fixed;
    /* Acima do toggle: bottom = toggle_bottom + toggle_size + gap */
    bottom: calc(var(--chat-toggle-bottom) + var(--chat-toggle-size) + var(--chat-panel-gap));
    width: 360px;
    max-width: calc(100vw - 32px);
    height: 540px;
    /* Reserva 90px no topo (72px da topbar sticky + 18px de folga + safe-area).
       Antes nao reservava → em mobile o painel passava por baixo da topbar. */
    max-height: calc(100vh - var(--chat-toggle-bottom) - var(--chat-toggle-size) - var(--chat-panel-gap) - 90px);
    background: var(--chat-bg);
    color: var(--chat-fg);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    border: 1px solid var(--chat-border);
    display: none;
    flex-direction: column;
    overflow: hidden;
    z-index: 9500;
    transform: translateY(8px);
    opacity: 0;
    transition: transform 200ms ease, opacity 200ms ease;
}
.chat-widget--left  .chat-widget__panel { left: 24px; }
.chat-widget--right .chat-widget__panel { right: 24px; }

.chat-widget.is-open .chat-widget__panel {
    display: flex;
    transform: translateY(0);
    opacity: 1;
}

@media (max-width: 600px) {
    /* Mobile: WhatsApp em bottom:84px + height 60px + 12px gap = 156px. */
    .chat-widget {
        --chat-toggle-bottom: 156px;
        --chat-toggle-size: 62px;
        --chat-panel-gap: 12px;
    }
    .chat-widget__panel {
        width: calc(100vw - 16px);
        /* Altura = viewport - espaco do toggle (bottom) - reserva da topbar (top).
           Bottom = 156 + 62 + 12 = 230px. Top = 90px (72 topbar + 18 folga).
           Total = 320px reservados, painel ocupa o resto disponivel. */
        height: calc(100vh - var(--chat-toggle-bottom) - var(--chat-toggle-size) - var(--chat-panel-gap) - 90px);
        max-height: calc(100vh - var(--chat-toggle-bottom) - var(--chat-toggle-size) - var(--chat-panel-gap) - 90px);
        border-radius: 12px;
    }
    .chat-widget--left  .chat-widget__panel { left: 8px; right: 8px; }
    .chat-widget--right .chat-widget__panel { right: 8px; left: 8px; }
    .chat-widget--left  .chat-widget__toggle { left: 16px; }
    .chat-widget--right .chat-widget__toggle { right: 16px; }
}

/* ---------------------------------------------------------------------------
   Header
   --------------------------------------------------------------------------- */
.chat-widget__header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--chat-color);
    color: #fff;
}
.chat-widget__header-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.4);
    object-fit: cover;
    flex-shrink: 0;
}
.chat-widget__header-info { flex: 1; min-width: 0; }
.chat-widget__header-name {
    font-weight: 600;
    font-size: 15px;
    line-height: 1.2;
}
.chat-widget__header-status {
    font-size: 12px;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 5px;
}
.chat-widget__header-status::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #10ffba;
    display: inline-block;
}
.chat-widget__close {
    background: rgba(255,255,255,0.18);
    border: none;
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    line-height: 1;
    transition: background 150ms ease;
}
.chat-widget__close:hover { background: rgba(255,255,255,0.3); }

/* ---------------------------------------------------------------------------
   Mensagens
   --------------------------------------------------------------------------- */
.chat-widget__messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    scroll-behavior: smooth;
    background: var(--chat-bg);
}
.chat-widget__messages::-webkit-scrollbar { width: 8px; }
.chat-widget__messages::-webkit-scrollbar-thumb { background: var(--chat-border); border-radius: 4px; }

.chat-widget__msg {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.45;
    word-wrap: break-word;
    white-space: pre-wrap;
    animation: chat-msg-in 200ms ease;
}
@keyframes chat-msg-in {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.chat-widget__msg--user {
    align-self: flex-end;
    background: var(--chat-bubble-user);
    color: var(--chat-bubble-user-fg);
    border-bottom-right-radius: 4px;
}
.chat-widget__msg--bot {
    align-self: flex-start;
    background: var(--chat-bubble-bot);
    color: var(--chat-bubble-bot-fg);
    border-bottom-left-radius: 4px;
}

.chat-widget__typing {
    align-self: flex-start;
    padding: 12px 16px;
    background: var(--chat-bubble-bot);
    border-radius: 18px;
    border-bottom-left-radius: 4px;
    display: none;
}
.chat-widget__typing.is-active { display: flex; align-items: center; gap: 4px; }
.chat-widget__typing-dot {
    width: 7px;
    height: 7px;
    background: var(--chat-muted);
    border-radius: 50%;
    animation: chat-typing 1.2s infinite ease-in-out;
}
.chat-widget__typing-dot:nth-child(2) { animation-delay: 0.15s; }
.chat-widget__typing-dot:nth-child(3) { animation-delay: 0.3s; }
@keyframes chat-typing {
    0%, 60%, 100% { opacity: 0.3; transform: scale(0.8); }
    30%           { opacity: 1;   transform: scale(1); }
}

/* ---------------------------------------------------------------------------
   Input
   --------------------------------------------------------------------------- */
.chat-widget__input-area {
    border-top: 1px solid var(--chat-border);
    padding: 12px;
    display: flex;
    gap: 8px;
    background: var(--chat-bg);
}
.chat-widget__input {
    flex: 1;
    border: 1px solid var(--chat-border);
    border-radius: 22px;
    padding: 10px 14px;
    font-size: 14px;
    outline: none;
    background: var(--chat-bg);
    color: var(--chat-fg);
    resize: none;
    max-height: 80px;
    font-family: inherit;
    transition: border-color 150ms ease;
}
.chat-widget__input:focus { border-color: var(--chat-color); }
.chat-widget__input::placeholder { color: var(--chat-muted); }
.chat-widget__input:disabled { opacity: 0.5; cursor: not-allowed; }

.chat-widget__send {
    background: var(--chat-color);
    border: none;
    color: #fff;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 150ms ease, opacity 150ms ease;
}
.chat-widget__send:hover:not(:disabled) { transform: scale(1.08); }
.chat-widget__send:disabled { opacity: 0.4; cursor: not-allowed; }
.chat-widget__send svg { width: 18px; height: 18px; }

/* footer removido a pedido do user — sem texto "ContPlani — chat com IA" */

/* Mensagem final apos lead capturado */
.chat-widget__ended-banner {
    padding: 16px;
    background: var(--chat-bubble-bot);
    color: var(--chat-fg);
    border-radius: 12px;
    margin: 12px;
    text-align: center;
    font-size: 14px;
    line-height: 1.5;
}
.chat-widget__ended-banner strong { color: var(--chat-color); }

.chat-widget__new-conv {
    display: inline-block;
    margin-top: 12px;
    padding: 8px 16px;
    border-radius: 18px;
    background: var(--chat-color);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    transition: transform 150ms ease, box-shadow 150ms ease;
}
.chat-widget__new-conv:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(13, 159, 110, 0.3);
}
.chat-widget__new-conv:active { transform: translateY(0); }