/* --- VENTANA DE CHAT AMPLIADA --- */
        .chat-window {
            position: fixed;
            bottom: 100px;
            right: 30px;
            width: 420px;
            height: 600px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            z-index: 1000;
            display: none;
            flex-direction: column;
            overflow: hidden;
            border: 1px solid var(--verde-oliva-suave);
        }

        .chat-header {
            background: var(--verde-oliva-oscuro);
            color: white;
            padding: 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .chat-body {
            flex: 1;
            padding: 15px;
            overflow-y: auto;
            background: var(--blanco-roto);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .chat-msg {
            max-width: 85%;
            padding: 10px 15px;
            height: auto;
            max-height: none;
            overflow: visible;
            white-space: pre-wrap;
            border-radius: 15px;
            font-size: 14px;
            line-height: 1.4;
            word-wrap: break-word;
        }

        .chat-msg.bot {
            background: white;
            border: 1px solid var(--gris-suave);
            align-self: flex-start;
            border-bottom-left-radius: 2px;
        }

        .chat-msg.user {
            background: var(--verde-oliva-suave);
            color: white;
            align-self: flex-end;
            border-bottom-right-radius: 2px;
        }

        /* --- BOTONES DE ACCIÓN RÁPIDA ESTILO CARTIER --- */
        .chat-quick-actions {
            display: flex;
            flex-direction: column;
            gap: 12px;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--gris-suave);
            margin-bottom: 10px;
            align-items: flex-end;
        }

        .chat-action-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: #EEEEEE;
            color: #444;
            border: none;
            padding: 10px 22px;
            border-radius: 25px;
            font-size: 13px;
            cursor: pointer;
            transition: background-color 0.3s, color 0.3s;
            text-decoration: none;
            font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
            font-weight: 500;
        }

        .chat-action-btn:hover {
            background-color: var(--verde-oliva-suave);
            color: white;
        }

        .chat-footer {
            padding: 10px;
            background: white;
            border-top: 1px solid var(--gris-suave);
            display: flex;
            gap: 10px;
        }

        .chat-input {
            flex: 1;
            padding: 10px;
            border: 1px solid var(--gris-suave);
            border-radius: 20px;
            outline: none;
        }

        .chat-msg.error {
            color: #8d3434;
        }

        .chat-footer :disabled {
            cursor: wait;
            opacity: 0.65;
        }

        footer {
            background-color: var(--verde-oliva-oscuro);
            color: var(--blanco-roto);
            padding: 60px 5% 30px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .footer-column h4 {
            font-family: 'Playfair Display', serif;
            font-size: 16px;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 25px;
            color: var(--blanco);
        }

        .footer-column ul {
            list-style: none;
            padding: 0;
        }

        .footer-column ul li {
            margin-bottom: 18px;
        }

        .footer-column ul li a {
            color: #b0b5a3;
            text-decoration: none;
            font-size: 12px;
            letter-spacing: 1px;
            text-transform: uppercase;
            transition: color 0.3s;
            cursor: pointer;
        }

        .footer-column ul li a:hover {
            color: var(--blanco);
        }

        .footer-bottom {
            max-width: 1200px;
            margin: 60px auto 0;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            font-size: 12px;
            color: #888;
        }

        /* ==========================================================================
           NUEVA ESTÉTICA: FICHA DE PRODUCTO ESTILO E-COMMERCE DE LUJO
           ========================================================================== */
        .modal-fullscreen {
            width: 100% !important;
            max-width: 100% !important;
            height: 100vh !important;
            max-height: 100vh !important;
            border-radius: 0 !important;
            padding: 40px 5% !important;
        }

        .product-modal-layout {
            display: flex;
            flex-direction: column;
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
            text-align: left;
        }


        @media (min-width: 900px) {
            .product-modal-layout {
                flex-direction: row;
                align-items: flex-start;
            }
            .product-image-col {
                flex: 1.2;
                position: sticky;
                top: 20px;
            }
            .product-info-col {
                flex: 1;
                padding-top: 20px;
            }
        }

        .modal-img-real {
            width: 100%;
            height: auto;
            aspect-ratio: 1 / 1;
            max-height: 60vh;
            object-fit: cover;
            border-radius: 4px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            background: white;
            padding: 20px;
        }

        /* Botones de selección de Talla (Estilo Amazon / Lujo) */
        .size-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 25px;
        }

        .size-btn {
            background: var(--blanco);
            border: 1px solid #d0d0d0;
            color: var(--texto-oscuro);
            padding: 12px 20px;
            font-size: 13px;
            text-transform: uppercase;
            letter-spacing: 1px;
            cursor: pointer;
            border-radius: 2px;
            transition: all 0.2s;
            min-width: 80px;
            text-align: center;
        }

        .size-btn:hover {
            border-color: var(--verde-oliva-oscuro);
        }

        .size-btn.active {
            border-color: var(--verde-oliva-oscuro);
            background-color: var(--verde-fondo-sutil);
            font-weight: bold;
            box-shadow: inset 0 0 0 1px var(--verde-oliva-oscuro);
        }

        .size-btn.disabled {
            opacity: 0.4;
            cursor: not-allowed;
            text-decoration: line-through;
        }