/* ============================================================
   ZonaCamisetas AI Chat — v2.0 FIXED
   Fixes: mobile scroll horizontal, desktop visibility, mobile layout
   ============================================================ */

:root {
    --wcaic-primary:      #6366f1;
    --wcaic-primary-dark: #4f46e5;
    --wcaic-on-primary:   #ffffff;
    --wcaic-bg:           #ffffff;
    --wcaic-bg-alt:       #f4f4f8;
    --wcaic-text:         #1e1b4b;
    --wcaic-text-muted:   #6b7280;
    --wcaic-border:       #e5e7eb;
    --wcaic-shadow:       0 12px 48px rgba(99,102,241,.22), 0 2px 12px rgba(0,0,0,.10);
    --wcaic-radius:       18px;
    --wcaic-font:         -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --wcaic-z:            2147483647;
}

#wcaic-root, #wcaic-root * {
    box-sizing: border-box;
    font-family: var(--wcaic-font);
}

#wcaic-root {
    position: fixed !important;
    bottom: 0 !important;
    right: 0 !important;
    left: auto !important;
    top: auto !important;
    z-index: var(--wcaic-z) !important;
    pointer-events: none;
    width: 0 !important;
    height: 0 !important;
    overflow: visible !important;
}

#wcaic-root.wcaic--left { right: auto !important; left: 0 !important; }

/* FAB */
.wcaic-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    background: var(--wcaic-primary);
    color: var(--wcaic-on-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(99,102,241,.45);
    transition: transform .2s ease, box-shadow .2s ease;
    outline: none;
    -webkit-tap-highlight-color: transparent;
    pointer-events: all;
    z-index: var(--wcaic-z);
}

#wcaic-root.wcaic--left .wcaic-fab { right: auto; left: 24px; }

.wcaic-fab:hover  { transform: scale(1.08); box-shadow: 0 6px 28px rgba(99,102,241,.6); }
.wcaic-fab:active { transform: scale(0.93); }
.wcaic-fab__icon  { display: flex; align-items: center; justify-content: center; }
.wcaic-fab__icon svg { width: 26px; height: 26px; display: block; }

.wcaic-fab__badge {
    position: absolute;
    top: -4px; right: -4px;
    background: #ef4444;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    width: 20px; height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #fff;
    animation: wcaic-pulse 2s ease infinite;
}

@keyframes wcaic-pulse {
    0%,100% { transform: scale(1); }
    50%     { transform: scale(1.2); }
}

/* VENTANA DESKTOP */
.wcaic-window {
    position: fixed !important;
    bottom: 96px;
    right: 24px;
    width: 380px;
    height: 560px;
    max-height: calc(100vh - 110px);
    background: var(--wcaic-bg);
    border-radius: var(--wcaic-radius);
    box-shadow: var(--wcaic-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: var(--wcaic-z);
    pointer-events: none;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    transition: opacity .22s ease, transform .22s cubic-bezier(.34,1.45,.64,1);
    will-change: transform, opacity;
}

.wcaic-window.wcaic-window--open {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: all;
}

#wcaic-root.wcaic--left .wcaic-window { right: auto; left: 24px; }

/* HEADER */
.wcaic-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: var(--wcaic-primary);
    color: var(--wcaic-on-primary);
    flex-shrink: 0;
    min-height: 64px;
}

.wcaic-header__left {
    display: flex;
    align-items: center;
    gap: 11px;
    min-width: 0;
    flex: 1;
}

.wcaic-avatar {
    width: 42px; height: 42px;
    border-radius: 50%;
    background: rgba(255,255,255,.22) center/cover no-repeat;
    border: 2px solid rgba(255,255,255,.4);
    flex-shrink: 0;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wcaic-header__info  { min-width: 0; flex: 1; }

.wcaic-header__title {
    font-weight: 700;
    font-size: 15px;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.wcaic-header__status {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    opacity: .88;
    margin-top: 2px;
}

.wcaic-status-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: #4ade80;
    flex-shrink: 0;
    animation: wcaic-online 2.5s ease infinite;
}

@keyframes wcaic-online {
    0%,100% { opacity: 1; }
    50%     { opacity: .35; }
}

.wcaic-icon-btn {
    background: rgba(255,255,255,.18);
    border: none;
    border-radius: 50%;
    width: 34px; height: 34px; min-width: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: inherit;
    transition: background .15s;
    flex-shrink: 0;
}
.wcaic-icon-btn:hover { background: rgba(255,255,255,.30); }
.wcaic-icon-btn svg   { width: 16px; height: 16px; }

/* MENSAJES */
.wcaic-messages {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 14px 12px 8px;
    scroll-behavior: smooth;
    background: var(--wcaic-bg-alt);
    display: flex;
    flex-direction: column;
    gap: 10px;
    -webkit-overflow-scrolling: touch;
    min-height: 0;
    overscroll-behavior: contain;
}

.wcaic-messages::-webkit-scrollbar       { width: 3px; }
.wcaic-messages::-webkit-scrollbar-track { background: transparent; }
.wcaic-messages::-webkit-scrollbar-thumb { background: var(--wcaic-border); border-radius: 99px; }

/* FILA DE MENSAJE */
.wcaic-msg {
    display: flex;
    align-items: flex-end;
    gap: 7px;
    width: 100%;
    flex-shrink: 0;
    animation: wcaic-msg-in .18s ease both;
    max-width: 100%;
    overflow: hidden;
}

@keyframes wcaic-msg-in {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.wcaic-msg--bot  { flex-direction: row;         }
.wcaic-msg--user { flex-direction: row-reverse; }

.wcaic-msg__inner {
    display: flex;
    flex-direction: column;
    max-width: 76%;
    min-width: 0;
    overflow: hidden;
}

.wcaic-msg--user .wcaic-msg__inner { align-items: flex-end; }
.wcaic-msg--bot  .wcaic-msg__inner { align-items: flex-start; }

/* AVATAR */
.wcaic-msg__avatar {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--wcaic-primary) center/cover no-repeat;
    color: #fff;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-bottom: 2px;
    align-self: flex-end;
}

/* BURBUJA */
.wcaic-msg__bubble {
    padding: 10px 13px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.55;
    word-break: break-word;
    overflow-wrap: break-word;
    white-space: pre-wrap;
    max-width: 100%;
    display: block;
}

.wcaic-msg--bot .wcaic-msg__bubble {
    background: var(--wcaic-bg);
    color: var(--wcaic-text);
    border-bottom-left-radius: 4px;
    box-shadow: 0 1px 4px rgba(0,0,0,.08);
}

.wcaic-msg--user .wcaic-msg__bubble {
    background: var(--wcaic-primary);
    color: var(--wcaic-on-primary);
    border-bottom-right-radius: 4px;
}

.wcaic-msg__time {
    font-size: 10px;
    color: var(--wcaic-text-muted);
    margin-top: 3px;
    padding: 0 3px;
    flex-shrink: 0;
}

/* TYPING */
.wcaic-typing {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 14px;
    background: var(--wcaic-bg);
    border-radius: 16px;
    border-bottom-left-radius: 4px;
    width: fit-content;
    box-shadow: 0 1px 4px rgba(0,0,0,.08);
}

.wcaic-typing span {
    width: 7px; height: 7px;
    background: var(--wcaic-text-muted);
    border-radius: 50%;
    animation: wcaic-bounce .9s ease infinite;
}
.wcaic-typing span:nth-child(2) { animation-delay: .15s; }
.wcaic-typing span:nth-child(3) { animation-delay: .30s; }

@keyframes wcaic-bounce {
    0%,80%,100% { transform: translateY(0); }
    40%         { transform: translateY(-7px); }
}

/* PRODUCT CARDS */
.wcaic-products {
    display: flex;
    gap: 9px;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 6px 1px 10px;
    margin-top: 6px;
    width: 100%;
    max-width: 100%;
    scrollbar-width: thin;
}
.wcaic-products::-webkit-scrollbar        { height: 3px; }
.wcaic-products::-webkit-scrollbar-track  { background: transparent; }
.wcaic-products::-webkit-scrollbar-thumb  { background: var(--wcaic-border); border-radius: 99px; }

.wcaic-product-card {
    flex-shrink: 0;
    width: 118px;
    border: 1px solid var(--wcaic-border);
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: transform .15s, box-shadow .15s;
    background: var(--wcaic-bg);
    display: block;
}
.wcaic-product-card:hover { transform: translateY(-2px); box-shadow: 0 5px 16px rgba(0,0,0,.12); }

.wcaic-product-card__img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    background: #f0f0f8;
    display: block;
}

.wcaic-product-card__body { padding: 7px 8px 9px; }

.wcaic-product-card__name {
    font-size: 11px;
    font-weight: 600;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    margin-bottom: 4px;
    color: var(--wcaic-text);
    line-height: 1.35;
}

.wcaic-product-card__price {
    font-size: 12px;
    font-weight: 700;
    color: var(--wcaic-primary);
}
.wcaic-product-card__price del {
    font-weight: 400;
    color: var(--wcaic-text-muted);
    font-size: 10px;
}

/* QUICK REPLIES */
.wcaic-quick-replies {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    padding: 10px 12px 4px;
    background: var(--wcaic-bg-alt);
    flex-shrink: 0;
    overflow: hidden;
}

.wcaic-qr {
    padding: 6px 13px;
    border: 1.5px solid var(--wcaic-primary);
    border-radius: 99px;
    background: transparent;
    color: var(--wcaic-primary);
    font-size: 12px;
    cursor: pointer;
    transition: background .15s, color .15s;
    white-space: nowrap;
}
.wcaic-qr:hover { background: var(--wcaic-primary); color: var(--wcaic-on-primary); }

/* CANALES */
.wcaic-channels {
    display: flex;
    gap: 8px;
    padding: 8px 12px 4px;
    background: var(--wcaic-bg-alt);
    flex-wrap: wrap;
    flex-shrink: 0;
    overflow: hidden;
}

.wcaic-channel-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 14px;
    border-radius: 10px;
    border: none;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: opacity .15s, transform .15s;
}
.wcaic-channel-btn:hover { opacity: .88; transform: translateY(-1px); }
.wcaic-channel-btn--wa   { background: #25D366; color: #fff; }
.wcaic-channel-btn--ig   { background: linear-gradient(135deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888); color: #fff; }
.wcaic-channel-btn svg   { width: 18px; height: 18px; flex-shrink: 0; }

/* INPUT */
.wcaic-input-area {
    display: flex;
    align-items: flex-end;
    gap: 9px;
    padding: 10px 12px;
    border-top: 1px solid var(--wcaic-border);
    background: var(--wcaic-bg);
    flex-shrink: 0;
    overflow: hidden;
}

.wcaic-input {
    flex: 1;
    resize: none;
    border: 1.5px solid var(--wcaic-border);
    border-radius: 12px;
    padding: 9px 13px;
    font-size: 14px;
    color: var(--wcaic-text);
    background: var(--wcaic-bg-alt);
    line-height: 1.45;
    max-height: 100px;
    overflow-y: auto;
    outline: none;
    transition: border-color .15s;
    min-width: 0;
    width: 0;
}
.wcaic-input:focus        { border-color: var(--wcaic-primary); background: var(--wcaic-bg); }
.wcaic-input::placeholder { color: var(--wcaic-text-muted); }

.wcaic-send-btn {
    width: 40px; height: 40px; min-width: 40px;
    border-radius: 50%;
    border: none;
    background: var(--wcaic-primary);
    color: var(--wcaic-on-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: background .15s, transform .1s;
}
.wcaic-send-btn:hover    { background: var(--wcaic-primary-dark, #4f46e5); }
.wcaic-send-btn:active   { transform: scale(.90); }
.wcaic-send-btn:disabled { opacity: .4; cursor: default; }
.wcaic-send-btn svg      { width: 18px; height: 18px; }

/* FOOTER */
.wcaic-footer-badge {
    text-align: center;
    padding: 5px 8px;
    font-size: 10px;
    color: var(--wcaic-text-muted);
    background: var(--wcaic-bg);
    flex-shrink: 0;
}

/* ════════════════════════════════════
   MOBILE — pantalla completa, sin scroll externo
   ════════════════════════════════════ */
@media screen and (max-width: 600px) {

    .wcaic-fab {
        bottom: 16px !important;
        right: 16px !important;
        width: 56px !important;
        height: 56px !important;
    }

    #wcaic-root.wcaic--left .wcaic-fab {
        left: 16px !important;
        right: auto !important;
    }

    /* Ventana = pantalla completa */
    .wcaic-window {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        height: 100dvh !important;
        max-height: none !important;
        border-radius: 0 !important;
        transform: translateY(100%) !important;
        transition: opacity .25s ease, transform .28s ease !important;
        will-change: transform !important;
    }

    .wcaic-window.wcaic-window--open {
        transform: translateY(0) !important;
        opacity: 1 !important;
    }

    .wcaic-msg__inner { max-width: 82%; }
    .wcaic-product-card { width: 112px; }

    /* font-size 16px evita zoom automático en iOS */
    .wcaic-input { font-size: 16px !important; }

    .wcaic-input-area { padding: 12px 12px; }
}

/* ════════════════════════════════════
   DARK MODE
   ════════════════════════════════════ */
@media (prefers-color-scheme: dark) {
    :root {
        --wcaic-bg:         #1f1f2e;
        --wcaic-bg-alt:     #16162a;
        --wcaic-text:       #e5e7eb;
        --wcaic-text-muted: #9ca3af;
        --wcaic-border:     #374151;
    }
}

/* ════════════════════════════════════
   BLINDAJE DESKTOP — fuerza visibilidad
   sin importar el tema de WordPress
   ════════════════════════════════════ */

/* Asegurar que body/html no bloqueen el widget */
body #wcaic-root,
html body #wcaic-root {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    z-index: 2147483647 !important;
}

body .wcaic-fab,
html body .wcaic-fab {
    display: flex !important;
    visibility: visible !important;
}

body .wcaic-window.wcaic-window--open,
html body .wcaic-window.wcaic-window--open {
    display: flex !important;
    visibility: visible !important;
}

/* Desktop específico — ancho mínimo 601px */
@media screen and (min-width: 601px) {
    .wcaic-window {
        bottom: 96px !important;
        right: 24px !important;
        width: 380px !important;
        height: 560px !important;
        max-height: calc(100vh - 110px) !important;
        border-radius: var(--wcaic-radius) !important;
        transform: translateY(20px) scale(0.95) !important;
        transition: opacity .22s ease, transform .22s cubic-bezier(.34,1.45,.64,1) !important;
    }
    .wcaic-window.wcaic-window--open {
        transform: translateY(0) scale(1) !important;
    }
    #wcaic-root.wcaic--left .wcaic-window {
        right: auto !important;
        left: 24px !important;
    }
}