/* ============================================================
   COMPONENTE: WHATSAPP BUTTON
   Botón de WhatsApp con estados activo/inactivo
   ============================================================ */

.whatsapp-button {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 998;
}

.btn-whatsapp {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);

    background-color: #25d366;
    color: #fff;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;

    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);

    /* Prevenir selección de texto */
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.btn-whatsapp:hover:not(.disabled) {
    background-color: #20ba5e;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.btn-whatsapp:active:not(.disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Estado deshabilitado (Próximamente) */
.btn-whatsapp.disabled {
    background-color: #ccc;
    color: #666;
    cursor: not-allowed;
    box-shadow: none;
    opacity: 0.7;
}

.btn-whatsapp.disabled:hover {
    background-color: #ccc;
    box-shadow: none;
    transform: none;
}

/* SVG icon */
.btn-whatsapp svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Responsive: Para pantallas pequeñas */
@media (max-width: 768px) {
    .whatsapp-button {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
    }

    .btn-whatsapp {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.85rem;
    }

    .btn-whatsapp svg {
        width: 18px;
        height: 18px;
    }
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
    .btn-whatsapp.disabled {
        background-color: #555;
        color: #aaa;
    }

    .btn-whatsapp.disabled:hover {
        background-color: #555;
    }
}