/**
 * ══════════════════════════════════════════════════════════════════
 *  CHATBOT IA - Estilos CSS (Genérico)
 *  Diseño moderno con tonos corporativos configurables desde el admin.
 *  Los colores principales se inyectan como CSS custom properties
 *  desde PHP (wp_add_inline_style).
 * ══════════════════════════════════════════════════════════════════
 */

/* ──────────────────────────────────────────────────────────────────
   VARIABLES CSS (Design Tokens)
   Los valores de --cbia-primary, --cbia-accent, --cbia-gradient-*
   y --cbia-primary-glow se sobrescriben dinámicamente desde PHP.
   ────────────────────────────────────────────────────────────────── */
:root {
    /* Colores por defecto (sobrescritos por PHP inline styles) */
    --cbia-primary:        #1a56db;
    --cbia-primary-dark:   #1544b0;
    --cbia-accent:         #0ea5e9;
    --cbia-primary-glow:   rgba(26, 86, 219, 0.35);
    --cbia-gradient-header: linear-gradient(135deg, #1a56db 0%, #0ea5e9 100%);
    --cbia-gradient-btn:    linear-gradient(135deg, #1a56db 0%, #0ea5e9 100%);

    /* Neutros (no cambian) */
    --cbia-bg-card:        #ffffff;
    --cbia-surface:        #f1f5f9;
    --cbia-border:         #e2e8f0;
    --cbia-text-primary:   #1e293b;
    --cbia-text-secondary: #64748b;
    --cbia-text-muted:     #94a3b8;
    --cbia-text-inverse:   #ffffff;

    /* Sombras */
    --cbia-shadow-sm:   0 1px 3px rgba(0, 0, 0, 0.08);
    --cbia-shadow-md:   0 4px 14px rgba(0, 0, 0, 0.1);
    --cbia-shadow-lg:   0 10px 40px rgba(0, 0, 0, 0.15);
    --cbia-shadow-glow: 0 4px 20px var(--cbia-primary-glow);

    /* Bordes */
    --cbia-radius-sm:   8px;
    --cbia-radius-md:   12px;
    --cbia-radius-lg:   16px;
    --cbia-radius-xl:   20px;
    --cbia-radius-full: 50%;

    /* Tipografía */
    --cbia-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Transiciones */
    --cbia-ease: cubic-bezier(0.4, 0, 0.2, 1);
    --cbia-ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ──────────────────────────────────────────────────────────────────
   BOTÓN FLOTANTE (Toggle)
   ────────────────────────────────────────────────────────────────── */
.cbia-chat-toggle {
    position: fixed;
    bottom: 24px;
    /* right/left se inyectan desde PHP inline styles */
    right: 24px;
    width: 60px;
    height: 60px;
    border-radius: var(--cbia-radius-full);
    background: var(--cbia-gradient-btn);
    color: var(--cbia-text-inverse);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--cbia-shadow-glow);
    z-index: 999999;
    transition: all 0.4s var(--cbia-ease);
    outline: none;
}

.cbia-chat-toggle:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 28px var(--cbia-primary-glow);
}

.cbia-chat-toggle:active {
    transform: scale(0.95);
}

.cbia-chat-toggle svg {
    width: 26px;
    height: 26px;
    transition: all 0.35s var(--cbia-ease);
}

/* Icono de chat visible por defecto */
.cbia-chat-toggle .cbia-icon-chat {
    opacity: 1;
    transform: scale(1) rotate(0deg);
}

.cbia-chat-toggle .cbia-icon-close {
    position: absolute;
    opacity: 0;
    transform: scale(0.5) rotate(-90deg);
}

/* Cuando está activo: mostrar icono de cerrar */
.cbia-chat-toggle.cbia-active .cbia-icon-chat {
    opacity: 0;
    transform: scale(0.5) rotate(90deg);
}

.cbia-chat-toggle.cbia-active .cbia-icon-close {
    opacity: 1;
    transform: scale(1) rotate(0deg);
}

/* Punto de notificación */
.cbia-notification-dot {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 16px;
    height: 16px;
    background: #ef4444;
    border-radius: var(--cbia-radius-full);
    border: 2.5px solid #ffffff;
    opacity: 0;
    transform: scale(0);
    transition: all 0.4s var(--cbia-ease-bounce);
}

.cbia-notification-dot.cbia-visible {
    opacity: 1;
    transform: scale(1);
    animation: cbia-pulse 2s infinite;
}

@keyframes cbia-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.5); }
    50%      { box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
}

/* ──────────────────────────────────────────────────────────────────
   BURBUJA PROACTIVA (Pop-up)
   ────────────────────────────────────────────────────────────────── */
.cbia-proactive-bubble {
    position: fixed;
    bottom: 95px; /* Por encima del botón toggle */
    /* right/left heredado o inyectado */
    right: 24px;
    background: var(--cbia-surface);
    border: 1px solid var(--cbia-border);
    border-radius: var(--cbia-radius-lg);
    box-shadow: var(--cbia-shadow-lg);
    padding: 12px 16px;
    max-width: 280px;
    z-index: 999998;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
    transition: all 0.4s var(--cbia-ease-bounce);
    font-family: var(--cbia-font);
}

.cbia-proactive-bubble.cbia-show {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.cbia-proactive-content {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

#cbia-proactive-text {
    font-size: 14px;
    color: var(--cbia-text-primary);
    line-height: 1.4;
    margin-top: 2px;
}

#cbia-proactive-close {
    background: none;
    border: none;
    color: var(--cbia-text-muted);
    cursor: pointer;
    padding: 4px;
    margin: -4px -4px 0 0;
    border-radius: 50%;
    transition: background 0.2s, color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

#cbia-proactive-close:hover {
    background: var(--cbia-bg);
    color: var(--cbia-text-primary);
}

/* ──────────────────────────────────────────────────────────────────
   VENTANA DEL CHAT
   ────────────────────────────────────────────────────────────────── */
.cbia-chat-window {
    position: fixed;
    bottom: 100px;
    /* right/left se inyectan desde PHP inline styles */
    right: 24px;
    width: 400px;
    max-width: calc(100vw - 32px);
    height: 580px;
    max-height: calc(100vh - 140px);
    background: var(--cbia-bg-card);
    border-radius: var(--cbia-radius-xl);
    box-shadow: var(--cbia-shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 999998;
    border: 1px solid var(--cbia-border);

    /* Oculto por defecto con animación */
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transform-origin: bottom right;
    transition: all 0.35s var(--cbia-ease);
    pointer-events: none;
}

.cbia-chat-window.cbia-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

/* ──────────────────────────────────────────────────────────────────
   CABECERA DEL CHAT
   ────────────────────────────────────────────────────────────────── */
.cbia-chat-header {
    background: var(--cbia-gradient-header);
    color: var(--cbia-text-inverse);
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

/* Efecto decorativo de fondo */
.cbia-chat-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 180px;
    height: 180px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--cbia-radius-full);
}

.cbia-chat-header::after {
    content: '';
    position: absolute;
    bottom: -60%;
    left: -10%;
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--cbia-radius-full);
}

.cbia-chat-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
    z-index: 1;
}

.cbia-avatar {
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--cbia-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
    border: 2px solid rgba(255, 255, 255, 0.25);
    flex-shrink: 0;
    position: relative;
}

/* Punto verde "en línea" */
.cbia-avatar::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 11px;
    height: 11px;
    background: #22c55e;
    border-radius: var(--cbia-radius-full);
    border: 2.5px solid transparent;
}

.cbia-avatar svg {
    color: var(--cbia-text-inverse);
}

.cbia-chat-header-text h4 {
    margin: 0;
    font-family: var(--cbia-font);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--cbia-text-inverse);
    line-height: 1.3;
}

.cbia-chat-header-text p {
    margin: 2px 0 0;
    font-family: var(--cbia-font);
    font-size: 12px;
    font-weight: 400;
    opacity: 0.8;
    line-height: 1.3;
    color: var(--cbia-text-inverse);
}

.cbia-chat-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 1;
}

.cbia-chat-header-actions button,
.cbia-chat-header-actions .cbia-chat-download-btn,
.cbia-chat-header-actions .cbia-chat-history-btn,
.cbia-chat-header-actions .cbia-chat-close {
    background: rgba(255, 255, 255, 0.12) !important;
    border: none !important;
    color: var(--cbia-text-inverse) !important;
    cursor: pointer !important;
    padding: 6px !important;
    border-radius: var(--cbia-radius-sm) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: all 0.2s var(--cbia-ease) !important;
    position: relative !important;
    width: 30px !important;
    height: 30px !important;
    min-width: 30px !important;
    box-shadow: none !important;
}

.cbia-chat-header-actions button svg {
    stroke: var(--cbia-text-inverse) !important;
    fill: none !important;
    width: 18px !important;
    height: 18px !important;
}

.cbia-chat-header-actions button:hover {
    background: rgba(255, 255, 255, 0.22);
}

/* ──────────────────────────────────────────────────────────────────
   RESIZE HANDLE
   ────────────────────────────────────────────────────────────────── */
.cbia-resize-handle {
    position: absolute;
    top: 0;
    left: 0;
    width: 24px;
    height: 24px;
    cursor: nwse-resize;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cbia-surface);
    opacity: 0.5;
    transition: opacity 0.2s;
    z-index: 10;
}

.cbia-resize-handle:hover {
    opacity: 1;
}

.cbia-resize-handle svg {
    transform: rotate(180deg);
}

/* ──────────────────────────────────────────────────────────────────
   CUERPO DEL CHAT (ZONA DE MENSAJES)
   ────────────────────────────────────────────────────────────────── */
.cbia-chat-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px 16px;
    background: var(--cbia-surface);
    display: flex;
    flex-direction: column;
    gap: 16px;
    scroll-behavior: smooth;
}

/* Scrollbar personalizado */
.cbia-chat-body::-webkit-scrollbar {
    width: 5px;
}

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

.cbia-chat-body::-webkit-scrollbar-thumb {
    background: var(--cbia-text-muted);
    border-radius: 10px;
}

.cbia-chat-body::-webkit-scrollbar-thumb:hover {
    background: var(--cbia-text-secondary);
}

/* ──────────────────────────────────────────────────────────────────
   MENSAJES (Burbujas)
   ────────────────────────────────────────────────────────────────── */
.cbia-message {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    max-width: 88%;

    /* Animación de entrada */
    opacity: 0;
    transform: translateY(12px);
    transition: all 0.35s var(--cbia-ease);
}

.cbia-message.cbia-message-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Mensaje del Bot (izquierda) */
.cbia-message-bot {
    align-self: flex-start;
}

/* Mensaje del Usuario (derecha) */
.cbia-message-user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

/* Avatar del bot en las burbujas */
.cbia-message-avatar {
    width: 30px;
    height: 30px;
    min-width: 30px;
    background: var(--cbia-primary);
    border-radius: var(--cbia-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cbia-text-inverse);
    flex-shrink: 0;
}

/* Burbujas de mensaje */
.cbia-message-bubble {
    padding: 12px 16px;
    border-radius: var(--cbia-radius-lg);
    font-family: var(--cbia-font);
    font-size: 14px;
    line-height: 1.6;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.cbia-message-bubble p {
    margin: 0 0 8px;
    color: inherit;
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

.cbia-message-bubble p:last-child {
    margin-bottom: 0;
}

/* Estilos de Markdown Rico */
.cbia-markdown-body ul, 
.cbia-markdown-body ol {
    margin: 8px 0;
    padding-left: 20px;
}

.cbia-markdown-body li {
    margin-bottom: 4px;
    color: inherit;
}

.cbia-markdown-body a {
    color: var(--cbia-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
    font-weight: 500;
}

.cbia-markdown-body a:hover {
    color: var(--cbia-primary-hover);
}

.cbia-message-user .cbia-markdown-body a {
    color: var(--cbia-text-inverse);
    text-decoration-color: rgba(255,255,255,0.5);
}

.cbia-message-user .cbia-markdown-body a:hover {
    text-decoration-color: #fff;
}

/* Burbuja del Bot */
.cbia-message-bot .cbia-message-bubble {
    background: var(--cbia-bg-card);
    color: var(--cbia-text-primary);
    border: 1px solid var(--cbia-border);
    border-bottom-left-radius: 4px;
    box-shadow: var(--cbia-shadow-sm);
    position: relative;
    padding-bottom: 28px; /* Espacio para los botones de feedback */
}

/* Contenedor de Feedback */
.cbia-feedback-container {
    position: absolute;
    bottom: 4px;
    right: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0;
    transition: opacity 0.2s var(--cbia-ease);
}

.cbia-message-bot .cbia-message-bubble:hover .cbia-feedback-container,
.cbia-feedback-container:focus-within {
    opacity: 1;
}

.cbia-feedback-btn {
    background: none;
    border: none;
    color: var(--cbia-text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.cbia-feedback-btn:hover:not(:disabled) {
    background: var(--cbia-bg);
    color: var(--cbia-text-primary);
}

.cbia-feedback-msg {
    font-size: 11px;
    color: #10b981;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

/* Burbuja del Usuario */
.cbia-message-user .cbia-message-bubble {
    background: var(--cbia-primary);
    color: var(--cbia-text-inverse);
    border-bottom-right-radius: 4px;
    box-shadow: 0 2px 8px var(--cbia-primary-glow);
}

/* ──────────────────────────────────────────────────────────────────
   INDICADOR DE ESCRITURA
   ────────────────────────────────────────────────────────────────── */
.cbia-typing-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px 12px;
    background: var(--cbia-surface);
    flex-shrink: 0;
}

.cbia-typing-avatar {
    width: 24px;
    height: 24px;
    min-width: 24px;
    background: var(--cbia-primary);
    border-radius: var(--cbia-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cbia-text-inverse);
}

.cbia-typing-dots {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cbia-typing-dots > span {
    font-family: var(--cbia-font);
    font-size: 12px;
    color: var(--cbia-text-secondary);
    font-style: italic;
}

.cbia-dots {
    display: flex;
    gap: 4px;
}

.cbia-dot {
    width: 7px;
    height: 7px;
    background: var(--cbia-primary);
    border-radius: var(--cbia-radius-full);
    opacity: 0.4;
    animation: cbia-typing-bounce 1.4s infinite ease-in-out;
}

.cbia-dot:nth-child(1) { animation-delay: 0s; }
.cbia-dot:nth-child(2) { animation-delay: 0.2s; }
.cbia-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes cbia-typing-bounce {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-6px);
        opacity: 1;
    }
}

/* ──────────────────────────────────────────────────────────────────
   PIE DEL CHAT (Input + Enviar)
   ────────────────────────────────────────────────────────────────── */
.cbia-chat-footer {
    padding: 12px 16px 14px;
    background: var(--cbia-bg-card);
    border-top: 1px solid var(--cbia-border);
    flex-shrink: 0;
}

.cbia-chat-form {
    margin: 0;
    padding: 0;
}

.cbia-input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    background: var(--cbia-surface);
    border: 1.5px solid var(--cbia-border);
    border-radius: var(--cbia-radius-md);
    padding: 6px 6px 6px 14px;
    transition: all 0.2s var(--cbia-ease);
}

.cbia-input-wrapper:focus-within {
    border-color: var(--cbia-primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
    background: var(--cbia-bg-card);
}

.cbia-chat-input {
    flex: 1;
    border: none;
    background: transparent;
    font-family: var(--cbia-font);
    font-size: 14px;
    color: var(--cbia-text-primary);
    resize: none;
    outline: none;
    padding: 6px 0;
    min-height: 20px;
    max-height: 120px;
    line-height: 1.4;
}

.cbia-chat-input::placeholder {
    color: var(--cbia-text-muted);
}

.cbia-chat-send {
    width: 36px;
    height: 36px;
    min-width: 36px;
    border: none;
    background: var(--cbia-gradient-btn);
    color: var(--cbia-text-inverse);
    border-radius: var(--cbia-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s var(--cbia-ease);
    flex-shrink: 0;
}

.cbia-chat-send:hover:not(:disabled) {
    transform: scale(1.05);
    box-shadow: 0 2px 12px var(--cbia-primary-glow);
}

.cbia-chat-send:active:not(:disabled) {
    transform: scale(0.95);
}

.cbia-chat-send:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    background: var(--cbia-text-muted);
}

.cbia-chat-send svg {
    width: 18px;
    height: 18px;
}

/* ──────────────────────────────────────────────────────────────────
   RESPUESTAS RÁPIDAS (QUICK REPLIES)
   ────────────────────────────────────────────────────────────────── */
.cbia-quick-replies {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 12px;
    margin-bottom: 4px;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none;  /* IE and Edge */
}
.cbia-quick-replies::-webkit-scrollbar {
    display: none; /* Chrome, Safari and Opera */
}

.cbia-quick-reply-btn {
    background: var(--cbia-surface);
    border: 1px solid var(--cbia-border);
    color: var(--cbia-text-primary);
    padding: 8px 14px;
    border-radius: 20px;
    font-family: var(--cbia-font);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s var(--cbia-ease);
    box-shadow: var(--cbia-shadow-sm);
    flex-shrink: 0;
}

.cbia-quick-reply-btn:hover {
    border-color: var(--cbia-primary);
    color: var(--cbia-primary);
    transform: translateY(-1px);
}

/* Texto inferior */
.cbia-chat-powered {
    text-align: center;
    font-family: var(--cbia-font);
    font-size: 10px;
    color: var(--cbia-text-muted);
    margin-top: 8px;
    letter-spacing: 0.02em;
}

/* ──────────────────────────────────────────────────────────────────
   RESPONSIVE: Móviles
   ────────────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
    .cbia-chat-window {
        bottom: 0;
        right: 0 !important;
        left: 0 !important;
        width: 100%;
        max-width: 100%;
        height: 100%;
        max-height: 100%;
        border-radius: 0;
        border: none;
    }

    .cbia-chat-window.cbia-open {
        transform: translateY(0) scale(1);
    }

    .cbia-chat-toggle {
        bottom: 16px;
        width: 56px;
        height: 56px;
    }

    /* Ocultar el botón flotante (la X) cuando el chat está abierto en móvil */
    .cbia-chat-toggle.cbia-active {
        display: none !important;
    }

    .cbia-chat-header {
        border-radius: 0;
        padding: 16px;
    }

    .cbia-chat-body {
        padding: 16px 12px;
    }

    .cbia-message {
        max-width: 92%;
    }

    .cbia-chat-footer {
        padding: 10px 12px 16px;
        padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    }
    
    /* En móviles el tirador de redimensión no tiene sentido */
    .cbia-resize-handle {
        display: none !important;
    }
    
    /* En móviles, la papelera siempre está visible un poco opaca */
    .cbia-session-delete {
        opacity: 0.6;
    }
}

/* ──────────────────────────────────────────────────────────────────
   RESPONSIVE: Tablets
   ────────────────────────────────────────────────────────────────── */
@media (min-width: 481px) and (max-width: 768px) {
    .cbia-chat-window {
        width: 380px;
        height: 520px;
        bottom: 90px;
    }
}

/* ──────────────────────────────────────────────────────────────────
   ANIMACIÓN DE ENTRADA INICIAL (Bounce suave del botón)
   ────────────────────────────────────────────────────────────────── */
@keyframes cbia-bounce-in {
    0%   { transform: scale(0); opacity: 0; }
    50%  { transform: scale(1.15); }
    70%  { transform: scale(0.95); }
    100% { transform: scale(1); opacity: 1; }
}

.cbia-chat-toggle {
    animation: cbia-bounce-in 0.6s var(--cbia-ease-bounce) 0.5s both;
}

/* ──────────────────────────────────────────────────────────────────
   DARK MODE (Respeta la preferencia del sistema)
   ────────────────────────────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
    .cbia-chat-window {
        background: #1e293b;
        border-color: #334155;
    }

    .cbia-chat-body {
        background: #0f172a;
    }

    .cbia-message-bot .cbia-message-bubble {
        background: #1e293b;
        color: #e2e8f0;
        border-color: #334155;
    }

    .cbia-chat-footer {
        background: #1e293b;
        border-top-color: #334155;
    }

    .cbia-input-wrapper {
        background: #0f172a;
        border-color: #334155;
    }

    .cbia-input-wrapper:focus-within {
        border-color: var(--cbia-primary);
        background: #1e293b;
    }

    .cbia-chat-input {
        color: #e2e8f0;
    }

    .cbia-chat-input::placeholder {
        color: #64748b;
    }

    .cbia-typing-indicator {
        background: #0f172a;
    }
}

/* ──────────────────────────────────────────────────────────────────
   REDUCCIÓN DE MOVIMIENTO (Accesibilidad)
   ────────────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .cbia-chat-toggle,
    .cbia-chat-window,
    .cbia-message,
    .cbia-notification-dot {
        animation: none !important;
        transition-duration: 0.01ms !important;
    }

    .cbia-dot {
        animation: none !important;
        opacity: 0.7;
    }
}

/* ── Enlaces dentro de las burbujas de mensaje ── */
.cbia-message-bubble a {
    color: inherit;
    text-decoration: underline;
    font-weight: 600;
    transition: opacity 0.2s ease;
}

.cbia-message-bot .cbia-message-bubble a {
    color: var(--cbia-primary);
}

.cbia-message-bubble a:hover {
    opacity: 0.8;
}

/* ──────────────────────────────────────────────────────────────────
   FORMULARIO DE LEAD CONVERSACIONAL
   ────────────────────────────────────────────────────────────────── */
.cbia-lead-form-card {
    background: var(--cbia-bg-card);
    border: 1px solid var(--cbia-border);
    border-radius: var(--cbia-radius-lg);
    padding: 16px;
    box-shadow: var(--cbia-shadow-md);
    margin: 12px 0;
    max-width: 90%;
    align-self: flex-start;
    font-family: var(--cbia-font);
    
    /* Animación de entrada */
    opacity: 0;
    transform: translateY(15px);
    transition: all 0.4s var(--cbia-ease-bounce);
}

.cbia-lead-form-card.cbia-visible {
    opacity: 1;
    transform: translateY(0);
}

.cbia-form-header {
    margin-bottom: 14px;
}

.cbia-form-header h4 {
    margin: 0 0 4px 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--cbia-text-primary);
}

.cbia-form-header p {
    margin: 0;
    font-size: 12px;
    color: var(--cbia-text-secondary);
    line-height: 1.4;
}

.cbia-form-field {
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cbia-form-field label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--cbia-text-secondary);
}

.cbia-form-field input {
    background: var(--cbia-surface);
    border: 1.5px solid var(--cbia-border);
    border-radius: var(--cbia-radius-sm);
    padding: 8px 12px;
    font-size: 13px;
    font-family: var(--cbia-font);
    color: var(--cbia-text-primary);
    transition: all 0.2s var(--cbia-ease);
    outline: none;
}

.cbia-form-field input:focus {
    border-color: var(--cbia-primary);
    background: var(--cbia-bg-card);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.15);
}

.cbia-form-error {
    background: #fef2f2;
    border-left: 3px solid #ef4444;
    color: #991b1b;
    font-size: 12px;
    padding: 8px 12px;
    border-radius: 4px;
    margin-bottom: 12px;
    line-height: 1.4;
    animation: cbia-shake 0.3s ease;
}

@keyframes cbia-shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
}

.cbia-form-submit-btn {
    width: 100%;
    background: var(--cbia-gradient-btn);
    color: var(--cbia-text-inverse);
    border: none;
    border-radius: var(--cbia-radius-sm);
    padding: 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: var(--cbia-shadow-sm);
    transition: all 0.25s var(--cbia-ease);
}

.cbia-form-submit-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--cbia-primary-glow);
}

.cbia-form-submit-btn:active:not(:disabled) {
    transform: translateY(0);
}

.cbia-form-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Spinner Loader */
.cbia-spinner {
    animation: cbia-rotate 2s linear infinite;
    width: 18px;
    height: 18px;
}

.cbia-spinner .path {
    stroke: var(--cbia-text-inverse);
    stroke-linecap: round;
    animation: cbia-dash 1.5s ease-in-out infinite;
    stroke: currentColor;
}

@keyframes cbia-rotate {
    100% { transform: rotate(360deg); }
}

@keyframes cbia-dash {
    0% {
        stroke-dasharray: 1, 150;
        stroke-dashoffset: 0;
    }
    50% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -35;
    }
    100% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -124;
    }
}

/* Pantalla de Éxito */
.cbia-form-success {
    text-align: center;
    padding: 12px 6px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    animation: cbia-fade-in 0.4s var(--cbia-ease);
}

.cbia-success-icon {
    color: #22c55e;
    filter: drop-shadow(0 2px 8px rgba(34, 197, 94, 0.3));
}

.cbia-form-success h4 {
    margin: 4px 0 0 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--cbia-text-primary);
}

.cbia-form-success p {
    margin: 0;
    font-size: 13px;
    color: var(--cbia-text-secondary);
    line-height: 1.5;
}

@keyframes cbia-fade-in {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* Soporte para Modo Oscuro */
@media (prefers-color-scheme: dark) {
    .cbia-lead-form-card {
        background: #1e293b;
        border-color: #334155;
    }
    .cbia-form-header h4,
    .cbia-form-success h4 {
        color: #f8fafc;
    }
    .cbia-form-header p,
    .cbia-form-field label,
    .cbia-form-success p {
        color: #94a3b8;
    }
    .cbia-form-field input {
        background: #0f172a;
        border-color: #334155;
        color: #e2e8f0;
    }
    .cbia-form-field input:focus {
        border-color: var(--cbia-primary);
        background: #1e293b;
    }
    .cbia-form-error {
        background: rgba(239, 68, 68, 0.1);
        border-left-color: #ef4444;
        color: #fca5a5;
    }
    .cbia-quick-reply-btn {
        background: #1e293b;
        border-color: #334155;
        color: #e2e8f0;
    }
    .cbia-quick-reply-btn:hover {
        border-color: var(--cbia-primary);
        color: #f8fafc;
        background: #0f172a;
    }
}

/* ──────────────────────────────────────────────────────────────────
   PANEL DE HISTORIAL DE SESIONES
   ────────────────────────────────────────────────────────────────── */
.cbia-chat-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 1;
}

.cbia-chat-history-btn {
    background: transparent !important;
    border: none !important;
    color: var(--cbia-text-inverse) !important;
    cursor: pointer;
    padding: 6px;
    border-radius: var(--cbia-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s var(--cbia-ease);
    box-shadow: none !important;
    outline: none !important;
}

.cbia-chat-history-btn:hover {
    background: rgba(255, 255, 255, 0.22) !important;
}

.cbia-sessions-panel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--cbia-bg-card);
    z-index: 10;
    display: flex;
    flex-direction: column;
    transform: translateX(-100%);
    transition: transform 0.3s var(--cbia-ease);
    visibility: hidden;
}

.cbia-sessions-panel.cbia-open {
    transform: translateX(0);
    visibility: visible;
}

.cbia-sessions-header {
    background: var(--cbia-surface);
    padding: 12px 16px !important;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--cbia-border);
}

.cbia-sessions-header h4 {
    margin: 0 !important;
    font-family: var(--cbia-font) !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    color: var(--cbia-text-primary) !important;
}

.cbia-sessions-close {
    background: transparent !important;
    border: none !important;
    color: var(--cbia-text-secondary) !important;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: none !important;
    outline: none !important;
}

.cbia-sessions-close:hover {
    background: rgba(0, 0, 0, 0.05) !important;
    color: var(--cbia-text-primary) !important;
}

.cbia-sessions-actions {
    padding: 12px 16px !important;
}

.cbia-new-session-btn {
    width: 100% !important;
    background: var(--cbia-surface) !important;
    border: 1.5px dashed var(--cbia-primary) !important;
    color: var(--cbia-primary) !important;
    padding: 12px !important;
    border-radius: var(--cbia-radius-md) !important;
    font-family: var(--cbia-font) !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s var(--cbia-ease);
    box-shadow: none !important;
    outline: none !important;
}

.cbia-new-session-btn:hover {
    background: var(--cbia-primary) !important;
    color: var(--cbia-text-inverse) !important;
    border-style: solid !important;
}

.cbia-sessions-list-container {
    flex: 1;
    overflow-y: auto;
    padding: 0 20px 20px;
}

.cbia-sessions-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cbia-session-item {
    padding: 12px;
    border-bottom: 1px solid var(--cbia-border);
    cursor: pointer;
    transition: background 0.2s var(--cbia-ease);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.cbia-session-item:hover {
    background: var(--cbia-bg);
}

.cbia-session-item.active {
    background: var(--cbia-primary-glow);
    border-left: 3px solid var(--cbia-primary);
}

.cbia-session-info {
    flex: 1;
    min-width: 0;
}

.cbia-session-delete {
    background: none;
    border: none;
    color: var(--cbia-text-muted);
    padding: 6px;
    cursor: pointer;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.2s ease;
}

.cbia-session-item:hover .cbia-session-delete {
    opacity: 1;
}

.cbia-session-delete:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

.cbia-session-date {
    font-family: var(--cbia-font);
    font-size: 11px;
    color: var(--cbia-text-secondary);
    margin-bottom: 4px;
}

.cbia-session-preview {
    font-family: var(--cbia-font);
    font-size: 13px;
    color: var(--cbia-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Tablas Markdown */
.cbia-table-wrapper {
    overflow-x: auto;
    margin: 10px 0;
    border-radius: var(--cbia-radius-sm);
    border: 1px solid var(--cbia-border);
}
.cbia-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    font-family: var(--cbia-font);
    color: var(--cbia-text-primary);
    background: var(--cbia-bg-card);
}
.cbia-table th, .cbia-table td {
    padding: 10px 12px;
    border: 1px solid var(--cbia-border);
    text-align: left;
}
.cbia-table th {
    background: rgba(0, 0, 0, 0.05);
    font-weight: 600;
}

/* ──────────────────────────────────────────────────────────────────
   GAMIFICACIÓN: CONFETI
   ────────────────────────────────────────────────────────────────── */
.cbia-confetti-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
}

.cbia-confetti-piece {
    position: absolute;
    width: 8px;
    height: 16px;
    background: #f00;
    top: -20px;
    opacity: 0;
    animation: cbia-fall 3s ease-in forwards;
}

@keyframes cbia-fall {
    0% {
        opacity: 1;
        transform: translateY(0) rotate(0deg);
    }
    100% {
        opacity: 0;
        transform: translateY(100vh) rotate(720deg);
    }
}

@media (prefers-color-scheme: dark) {
    :root {
        --cbia-bg-card:        #1f2937;
        --cbia-surface:        #111827;
        --cbia-border:         #374151;
        --cbia-text-primary:   #f9fafb;
        --cbia-text-secondary: #d1d5db;
        --cbia-text-muted:     #9ca3af;
        --cbia-text-inverse:   #ffffff;
        --cbia-shadow-sm:      0 1px 3px rgba(0, 0, 0, 0.4);
        --cbia-shadow-md:      0 4px 14px rgba(0, 0, 0, 0.5);
        --cbia-shadow-lg:      0 10px 40px rgba(0, 0, 0, 0.6);
    }
    
    /* Correcciones específicas que no usan variables */
    .cbia-proactive-bubble {
        background: #1f2937 !important;
        color: #f9fafb !important;
    }
    .cbia-sessions-panel {
        background: var(--cbia-surface) !important;
    }
    .cbia-sessions-header {
        background: var(--cbia-bg-card) !important;
        border-bottom-color: var(--cbia-border) !important;
    }
    .cbia-sessions-header h4 {
        color: var(--cbia-text-primary) !important;
    }
    .cbia-sessions-close {
        color: var(--cbia-text-muted) !important;
    }
    .cbia-sessions-close:hover {
        background: rgba(255, 255, 255, 0.1) !important;
        color: var(--cbia-text-primary) !important;
    }
    .cbia-new-session-btn {
        background: var(--cbia-bg-card) !important;
        border-color: var(--cbia-primary) !important;
        color: var(--cbia-primary) !important;
    }
    .cbia-new-session-btn:hover {
        background: var(--cbia-primary) !important;
        color: #ffffff !important;
    }
    .cbia-session-item {
        background: var(--cbia-bg-card) !important;
        border-color: var(--cbia-border) !important;
        color: var(--cbia-text-primary) !important;
    }
    .cbia-session-item.active {
        background: rgba(255, 255, 255, 0.05) !important;
    }
    .cbia-session-preview {
        color: var(--cbia-text-secondary) !important;
    }
    .cbia-message-user .cbia-message-bubble {
        color: #ffffff; /* Asegurar que el texto del usuario sobre color primario se lea bien */
    }
}