/**
 * Smart Forms & Quiz - Frontend Styles
 * Diseño moderno con cards, bordes redondeados y transiciones suaves
 */

/* Variables CSS personalizables */
.sfq-form-container {
    --sfq-primary-color: #007cba;
    --sfq-secondary-color: #6c757d;
    --sfq-background-color: #ffffff00;
    --sfq-options-background-color: #ffffff;
    --sfq-options-border-color: #e0e0e0;
    --sfq-input-border-color: #ddd;
    --sfq-text-color: #ffffff;
    --sfq-question-text-color: #333333;
    --sfq-border-radius: 12px;
    --sfq-font-family: Asap, Open Sans, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, verdana;
    --sfq-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --sfq-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);
    --sfq-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Nuevas variables CSS para las opciones de estilo */
    --sfq-form-container-border-radius: 20px;
    --sfq-form-container-padding: 2rem;
    --sfq-form-container-shadow: none;
    --sfq-form-container-width: responsive;
    --sfq-question-content-width: responsive;
    --sfq-question-text-size: 24px;
    --sfq-option-text-size: 16px;
    --sfq-question-text-align: left;
    --sfq-general-text-align: left;
    
    /* ✅ NUEVO: Variables CSS para imagen de fondo */
    --sfq-background-image-url: none;
    --sfq-background-image-size: cover;
    --sfq-background-image-repeat: no-repeat;
    --sfq-background-image-position: center center;
    --sfq-background-image-attachment: scroll;
    --sfq-background-overlay-opacity: 0;
}

/* Contenedor principal */
.sfq-form-container {
    font-family: var(--sfq-font-family);
    color: var(--sfq-text-color);
    background: var(--sfq-background-color);
    max-width: 720px;
    margin: 0 auto;
    padding: var(--sfq-form-container-padding);
    position: relative;
    
    /* Aplicar nuevas opciones de estilo */
    border-radius: var(--sfq-form-container-border-radius);
    box-shadow: var(--sfq-form-container-shadow);
}

/* Estilos para imagen de fondo separada */
.sfq-background-image {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    border-radius: inherit;
    z-index: 0;
}

/*  Estilos para overlay separado */
.sfq-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    border-radius: inherit;
    z-index: 1;
}

/* Contenedor de contenido con z-index superior */
.sfq-content-wrapper {
    position: relative;
    z-index: 2;
   
}

/* Ancho del contenedor según configuración */
.sfq-form-container[data-width="full"] {
    max-width: 100% !important;
    width: 100% !important;
}

.sfq-form-container[data-width="responsive"] {
    max-width: 720px !important;
}

.sfq-form-container[data-width="custom"] {
    max-width: var(--sfq-form-container-custom-width, 720px) !important;
}

/* Desactivar sombra si está configurado */
.sfq-form-container[data-shadow="false"] {
    box-shadow: none;
}

/* Barra de progreso */
.sfq-progress-bar {
    height: 4px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 2px;
    margin-bottom: 2rem;
    overflow: hidden;
    position: relative;
}

.sfq-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--sfq-primary-color), var(--sfq-secondary-color));
    border-radius: 2px;
    transition: width 0.5s ease;
    position: relative;
}

.sfq-progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Pantallas */
.sfq-screen {
    display: none;
    animation: fadeIn 0.4s ease;
}

.sfq-screen.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Pantalla de introducción */
.sfq-intro-screen {
    text-align: center;
    padding: 3rem 0;
    border-radius: 30px;
}

.sfq-intro-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--sfq-text-color);
}

.sfq-intro-description {
    font-size: 1.1rem;
    line-height: 1.6;
    color: rgba(var(--sfq-text-color), 0.8);
    margin-bottom: 2rem;
}

/* Contenido de pregunta */
.sfq-question-content {
    min-height: 400px;
    display: flex;
    flex-direction: column;
}

/* Ancho del contenido de preguntas según configuración - aplicado a sfq-question-screen */
.sfq-question-screen[data-width="full"] {
    width: 100%;
    max-width: 100%;
}

.sfq-question-screen[data-width="responsive"] {
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
}

.sfq-question-screen[data-width="custom"] {
    width: 100%;
    max-width: var(--sfq-question-content-custom-width, 600px);
    margin: 0 auto;
}

/* Asegurar que el contenido dentro de sfq-question-screen ocupe todo el ancho disponible */
.sfq-question-screen .sfq-question-content {
    width: 100%;
    max-width: 100%;
    margin: 0;
}

.sfq-question-number {
    font-size: 0.875rem;
    color: var(--sfq-secondary-color);
    margin-bottom: 1rem;
    font-weight: 500;
}

.sfq-question-text {
    font-size: var(--sfq-question-text-size);
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0rem;
    margin-top: 0;
    line-height: 1.4;
    text-align: var(--sfq-question-text-align);
}

.sfq-required {
    color: #e74c3c;
    margin-left: 0.25rem;
}

/* Contenedor de respuestas */
.sfq-answer-container {
    flex: 1;
    margin-bottom: 0;
}

/* Grid de opciones */
.sfq-options-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

/* Cards de opciones (diseño moderno) */
.sfq-option-card {
    background: var(--sfq-options-background-color);
    border: 2px solid var(--sfq-options-border-color);
    border-radius: var(--sfq-border-radius);
    padding: 1rem 1rem;
    cursor: pointer;
    transition: var(--sfq-transition);
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--sfq-shadow);
}

.sfq-option-card:hover {
    border-color: var(--sfq-primary-color);
    transform: translateY(-2px);
    box-shadow: var(--sfq-shadow-hover);
}

.sfq-option-card.selected {
    background: linear-gradient(135deg, 
        rgba(var(--sfq-primary-color), 0.1), 
        rgba(var(--sfq-primary-color), 0.05)
    );
    border-color: var(--sfq-primary-color);
    box-shadow: 0 0 0 3px rgba(var(--sfq-primary-color), 0.1);
}

.sfq-option-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.sfq-option-text {
    font-size: var(--sfq-option-text-size);
    font-weight: 500;
    flex: 1;
    text-align: var(--sfq-general-text-align);
}

.sfq-hidden-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

/* Checkbox cards */
.sfq-checkbox-card {
    padding: 1rem 1.25rem;
}

.sfq-checkbox-wrapper {
    display: flex;
    align-items: center;
    width: 100%;
}

.sfq-checkbox-input {
    display: none;
}

.sfq-checkbox-wrapper label {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    width: 100%;
}

.sfq-checkbox-box {
    width: 24px;
    height: 24px;
    border: 2px solid #d0d0d0;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--sfq-transition);
    flex-shrink: 0;
}

.sfq-checkbox-input:checked + label .sfq-checkbox-box {
    background: var(--sfq-primary-color);
    border-color: var(--sfq-primary-color);
}

.sfq-checkbox-icon {
    width: 16px;
    height: 16px;
    fill: white;
    opacity: 0;
    transform: scale(0);
    transition: var(--sfq-transition);
}

.sfq-checkbox-input:checked + label .sfq-checkbox-icon {
    opacity: 1;
    transform: scale(1);
}

/* Campos de texto */
.sfq-input-wrapper {
    position: relative;
    max-width: 500px;
}

.sfq-text-input {
    width: 100%;
    padding: 0.7rem 0rem 0.5rem 1rem;
    font-size: 1.1rem;
    border: none;
    border-bottom: 2px solid var(--sfq-input-border-color);
    background: #ffffff8a;
    transition: var(--sfq-transition);
    font-family: var(--sfq-font-family);
    border-radius: 10px 10px 0px 0px;
}

.sfq-text-input:focus {
    outline: none;
    border-bottom-color: var(--sfq-primary-color);
}

.sfq-input-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--sfq-primary-color);
    transition: width 0.3s ease;
}

.sfq-text-input:focus ~ .sfq-input-line {
    width: 100%;
}

.sfq-input-error {
    color: #e74c3c;
    font-size: 0.875rem;
    padding: 0.2rem 0.5rem;
    display: none;
    width: 100%;
    background-color: blanchedalmond;
}

.sfq-text-input:user-invalid ~ .sfq-input-error {
    display: block;
}

/* Rating (estrellas y emojis) */
.sfq-rating-wrapper {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding: 2rem 0;
}

.sfq-stars-rating {
    display: flex;
    gap: 0.5rem;
}

.sfq-star {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    transition: var(--sfq-transition);
}

.sfq-star svg {
    width: 48px;
    height: 48px;
    stroke: var(--sfq-input-border-color);
    fill: transparent;
    transition: var(--sfq-transition);
}

.sfq-star:hover svg,
.sfq-star.active svg {
    stroke: #ffc107;
    fill: #ffc107;
    transform: scale(1.1);
}

.sfq-emoji-rating {
    display: flex;
    gap: 1rem;
}

.sfq-emoji {
    background: none;
    border: none;
    font-size: 3rem;
    cursor: pointer;
    opacity: 0.5;
    transition: var(--sfq-transition);
    padding: 0.5rem;
}

.sfq-emoji:hover,
.sfq-emoji.active {
    opacity: 1;
    transform: scale(1.2);
}

/* Selección de imágenes */
.sfq-image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.sfq-image-option {
    position: relative;
    border-radius: var(--sfq-border-radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--sfq-transition);
    border: 3px solid transparent;
}

.sfq-image-option:hover {
    transform: scale(1.05);
}

.sfq-image-option.selected {
    border-color: var(--sfq-primary-color);
}

.sfq-image-option img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    display: block;
}

.sfq-image-placeholder {
    width: 100%;
    height: 150px;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sfq-image-placeholder .dashicons {
    font-size: 48px;
    color: #d0d0d0;
}

.sfq-image-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 0.5rem;
    font-size: 0.875rem;
    text-align: center;
}

.sfq-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(var(--sfq-primary-color), 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--sfq-transition);
}

.sfq-image-option.selected .sfq-image-overlay {
    opacity: 1;
}

.sfq-check-icon {
    width: 48px;
    height: 48px;
    fill: white;
}

/* Botones */
.sfq-button {
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--sfq-border-radius);
    cursor: pointer;
    transition: var(--sfq-transition);
    font-family: var(--sfq-font-family);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.sfq-button-primary {
    background: var(--sfq-primary-color);
    color: white;
    box-shadow: 0 4px 14px rgba(var(--sfq-primary-color), 0.3);
    margin-top: 1rem;
}

.sfq-button-primary:hover {
    background: color-mix(in srgb, var(--sfq-primary-color) 85%, black);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--sfq-primary-color), 0.4);
}

.sfq-button-secondary {
    background: transparent;
    color: var(--sfq-secondary-color);
    border: 2px solid var(--sfq-secondary-color);
}

.sfq-button-secondary:hover {
    background: var(--sfq-secondary-color);
    color: white;
}

/* Navegación */
.sfq-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
}

.sfq-navigation:has(.sfq-next-button:only-child) {
    justify-content: flex-end;
}

/* Pantalla de agradecimiento */
.sfq-thank-you-screen {
    text-align: center;
    padding: 3rem 0;
}

.sfq-success-icon {
    margin-bottom: 2rem;
    animation: successPulse 0.6s ease;
}

.sfq-success-icon svg {
    color: #4caf50;
}

@keyframes successPulse {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.sfq-thank-you-message h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--sfq-text-color);
}

.sfq-thank-you-message p {
    font-size: 1.1rem;
    color: rgba(var(--sfq-text-color), 0.8);
}

.sfq-redirect-message {
    margin-top: 2rem;
    font-size: 0.875rem;
    color: var(--sfq-secondary-color);
    font-style: italic;
}

/* Responsive */
@media (max-width: 768px) {
    .sfq-form-container {
        padding: 0.5rem;
    }
    
    .sfq-intro-title,
    .sfq-question-text {
        font-size: 1.25rem;
    }
    
    .sfq-option-text {
        font-size: 1rem;
    }
    
    .sfq-button {
        padding: 0.75rem 1.5rem;
        font-size: 0.875rem;
    }
    
    .sfq-star svg {
        width: 36px;
        height: 36px;
    }
    
    .sfq-emoji {
        font-size: 2.5rem;
    }
}

/* Animaciones adicionales */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.sfq-screen.slide-left {
    animation: slideInLeft 0.4s ease;
}

.sfq-screen.slide-right {
    animation: slideInRight 0.4s ease;
}

/* Loading state */
.sfq-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Estilos para elementos freestyle */
.sfq-freestyle-container {
    display: flex;
    flex-direction: column;
    gap: 0px;
}

.sfq-freestyle-container[data-layout="horizontal"] {
    flex-direction: row;
    flex-wrap: wrap;
}

.sfq-freestyle-container[data-spacing="compact"] {
    gap: 12px;
}

.sfq-freestyle-container[data-spacing="wide"] {
    gap: 32px;
}

.sfq-freestyle-element {
    position: relative;
}

.sfq-element-number {
    font-size: 0.875rem;
    color: var(--sfq-secondary-color);
    font-weight: 600;
    margin-bottom: 8px;
}

.sfq-element-label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--sfq-text-color);
}

.sfq-element-content {
    position: relative;
    padding: 0.8rem 0rem 0rem;
}

/* Inputs freestyle */
.sfq-freestyle-input,
.sfq-freestyle-textarea {
    width: 80%;
    padding: 12px 16px;
    border: none;
    border-bottom: 2px solid var(--sfq-input-border-color);
    font-size: 1rem;
    font-family: var(--sfq-font-family);
    transition: var(--sfq-transition);
    background: var(--sfq-background-color);
    color: var(--sfq-text-color);
    border-radius: 10px 10px 0px 0px;
}

.sfq-freestyle-input:focus,
.sfq-freestyle-textarea:focus {
    outline: none;
    border-color: var(--sfq-primary-color);
    box-shadow: 0 0 0 3px rgba(var(--sfq-primary-color), 0.1);
}

.sfq-freestyle-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Select freestyle */
.sfq-freestyle-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: var(--sfq-border-radius);
    font-size: 1rem;
    font-family: var(--sfq-font-family);
    background: var(--sfq-background-color);
    color: var(--sfq-text-color);
    cursor: pointer;
    transition: var(--sfq-transition);
}

.sfq-freestyle-select:focus {
    outline: none;
    border-color: var(--sfq-primary-color);
    box-shadow: 0 0 0 3px rgba(var(--sfq-primary-color), 0.1);
}

/* Checkbox freestyle */
.sfq-freestyle-checkbox-wrapper,
.sfq-legal-acceptance {
    margin: 12px 0;
}

.sfq-freestyle-checkbox-label,
.sfq-legal-acceptance-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1.5;
}

.sfq-freestyle-checkbox,
.sfq-legal-checkbox {
    display: none;
}

.sfq-checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid #d0d0d0;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--sfq-transition);
    flex-shrink: 0;
    margin-top: 2px;
}

.sfq-freestyle-checkbox:checked + .sfq-freestyle-checkbox-label .sfq-checkbox-custom,
.sfq-legal-checkbox:checked + .sfq-legal-acceptance-label .sfq-checkbox-custom {
    background: var(--sfq-primary-color);
    border-color: var(--sfq-primary-color);
}

.sfq-checkbox-icon {
    width: 12px;
    height: 12px;
    fill: white;
    opacity: 0;
    transform: scale(0);
    transition: var(--sfq-transition);
}

.sfq-freestyle-checkbox:checked + .sfq-freestyle-checkbox-label .sfq-checkbox-icon,
.sfq-legal-checkbox:checked + .sfq-legal-acceptance-label .sfq-checkbox-icon {
    opacity: 1;
    transform: scale(1);
}

/* Rating freestyle */
.sfq-freestyle-rating-wrapper {
    display: flex;
    justify-content: center;
    padding: 0;
}

.sfq-freestyle-stars,
.sfq-freestyle-hearts,
.sfq-freestyle-emojis {
    display: flex;
    gap: 8px;
}

.sfq-freestyle-star,
.sfq-freestyle-heart,
.sfq-freestyle-emoji {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    transition: var(--sfq-transition);
    border-radius: 50%;
}

.sfq-freestyle-star {
    font-size: 0;
}

.sfq-freestyle-star svg {
    width: 32px;
    height: 32px;
    stroke: #d0d0d0;
    fill: transparent;
    transition: var(--sfq-transition);
}

.sfq-freestyle-star:hover svg,
.sfq-freestyle-star.active svg {
    stroke: #ffc107;
    fill: #ffc107;
    transform: scale(1.1);
}

.sfq-freestyle-heart,
.sfq-freestyle-emoji {
    font-size: 32px;
    opacity: 0.5;
}

.sfq-freestyle-heart:hover,
.sfq-freestyle-heart.active,
.sfq-freestyle-emoji:hover,
.sfq-freestyle-emoji.active {
    opacity: 1;
    transform: scale(1.2);
}

/* Botón freestyle */
.sfq-freestyle-button {
    padding: 12px 14px;
    border: none;
    border-radius: var(--sfq-border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--sfq-transition);
    text-decoration: none;
    display: inline-block;
    font-family: var(--sfq-font-family);
}

.sfq-button-primary {
    background: var(--sfq-primary-color);
    color: white;
    margin-top: 1rem;
    box-shadow: 0 4px 14px rgba(var(--sfq-primary-color), 0.3);
}

.sfq-button-secondary {
    background: var(--sfq-secondary-color);
    color: white;
}

.sfq-button-outline {
    background: transparent;
    color: var(--sfq-primary-color);
    border: 2px solid var(--sfq-primary-color);
}

.sfq-freestyle-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Video freestyle */
.sfq-freestyle-video-wrapper {
    margin: 0;
}

.sfq-freestyle-video {
    width: 100%;
    border-radius: var(--sfq-border-radius);
}

/* Imagen freestyle */
.sfq-freestyle-image-wrapper {
    margin: 0;
    text-align: center;
}

.sfq-freestyle-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--sfq-border-radius);
    box-shadow: var(--sfq-shadow);
}

.sfq-clickable-image {
    cursor: pointer;
    transition: var(--sfq-transition);
    display: inline-block;
}

.sfq-clickable-image:hover {
    transform: scale(1.02);
    box-shadow: var(--sfq-shadow-hover);
}

/* File upload freestyle */
.sfq-file-upload-area {
    border: 2px dashed #d0d0d0;
    border-radius: var(--sfq-border-radius);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: var(--sfq-transition);
    background: #fafafa;
    position: relative;
}

.sfq-file-upload-area:hover {
    border-color: var(--sfq-primary-color);
    background: rgba(var(--sfq-primary-color), 0.05);
}

.sfq-file-upload-area.drag-over {
    border-color: var(--sfq-primary-color);
    background: rgba(var(--sfq-primary-color), 0.1);
    transform: scale(1.02);
}

.sfq-file-upload-area.uploading {
    pointer-events: none;
    opacity: 0.7;
}

.sfq-file-input {
    display: none;
}

.sfq-file-upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.sfq-file-icon {
    font-size: 48px;
    opacity: 0.6;
}

.sfq-file-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sfq-file-main {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--sfq-text-color);
}

.sfq-file-sub {
    font-size: 0.875rem;
    color: var(--sfq-secondary-color);
}

.sfq-file-preview {
    margin-top: 16px;
    padding: 16px;
    background: var(--sfq-background-color);
    border-radius: var(--sfq-border-radius);
    border: 1px solid #e0e0e0;
}

.sfq-file-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    border-bottom: 1px solid #f0f0f0;
}

.sfq-file-item:last-child {
    border-bottom: none;
}

.sfq-file-name {
    flex: 1;
    font-weight: 500;
}

.sfq-file-size {
    font-size: 0.875rem;
    color: var(--sfq-secondary-color);
}

/* Estilos para preview de imágenes subidas */
.sfq-file-image-preview {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

.sfq-file-image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sfq-file-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

/* Indicador de progreso de subida */
.sfq-upload-progress {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.95);
    padding: 16px 24px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    z-index: 10;
}

.sfq-upload-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--sfq-primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.sfq-upload-progress span {
    font-weight: 500;
    color: var(--sfq-text-color);
}

/* Errores de archivo */
.sfq-file-errors {
    margin-top: 12px;
    padding: 12px;
    background: #fee;
    border: 1px solid #fcc;
    border-radius: 8px;
    display: none;
}

.sfq-file-error {
    color: #c33;
    font-size: 0.875rem;
    margin-bottom: 4px;
}

.sfq-file-error:last-child {
    margin-bottom: 0;
}

/* Countdown freestyle */
.sfq-freestyle-countdown-wrapper {
    text-align: center;
    margin: 0;
}

.sfq-countdown-text {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 16px;
    color: var(--sfq-text-color);
}

.sfq-countdown-units {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.sfq-countdown-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 12px;
    background: var(--sfq-background-color);
    border: 2px solid #e0e0e0;
    border-radius: var(--sfq-border-radius);
    min-width: 60px;
    box-shadow: var(--sfq-shadow);
}

.sfq-countdown-number {
    font-size: 24px;
    font-weight: 700;
    color: var(--sfq-primary-color);
    line-height: 1;
    margin-bottom: 4px;
    font-family: 'Courier New', monospace;
}

.sfq-countdown-label {
    font-size: 12px;
    color: var(--sfq-secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.sfq-countdown-finished {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--sfq-primary-color);
    padding: 20px;
    background: rgba(var(--sfq-primary-color), 0.1);
    border-radius: var(--sfq-border-radius);
}

/* Texto legal freestyle */
.sfq-legal-content {
    padding: 20px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: var(--sfq-border-radius);
    margin-bottom: 16px;
    font-size: 0.9rem;
    line-height: 1.6;
    color: #666;
}

.sfq-legal-content h1,
.sfq-legal-content h2,
.sfq-legal-content h3 {
    color: var(--sfq-text-color);
    margin-top: 0;
}

.sfq-legal-content p {
    margin-bottom: 12px;
}

.sfq-legal-content ul,
.sfq-legal-content ol {
    margin-left: 20px;
    margin-bottom: 12px;
}

/* Validación de errores */
.sfq-validation-error {
    border-color: #e74c3c !important;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1) !important;
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Responsive para elementos freestyle */
@media (max-width: 768px) {
    .sfq-freestyle-container[data-layout="horizontal"] {
        flex-direction: column;
    }
    
    .sfq-countdown-units {
        gap: 8px;
    }
    
    .sfq-countdown-unit {
        min-width: 50px;
        padding: 12px 3px;
    }
    
    .sfq-countdown-number {
        font-size: 20px;
    }
    
    .sfq-countdown-label {
        font-size: 10px;
    }
    
    .sfq-file-upload-area {
        padding: 24px 16px;
    }
    
    .sfq-file-icon {
        font-size: 36px;
    }
    
    .sfq-freestyle-stars,
    .sfq-freestyle-hearts,
    .sfq-freestyle-emojis {
        gap: 4px;
    }
    
    .sfq-freestyle-star svg {
        width: 28px;
        height: 28px;
    }
    
    .sfq-freestyle-heart,
    .sfq-freestyle-emoji {
        font-size: 28px;
    }
}

/* Modo oscuro (opcional) */
@media (prefers-color-scheme: dark) {
    .sfq-form-container[data-theme="auto"] {
        --sfq-background-color: #1a1a1a;
        --sfq-text-color: #e0e0e0;
    }
    
    .sfq-form-container[data-theme="auto"] .sfq-option-card {
        background: #2a2a2a;
        border-color: #3a3a3a;
    }
    
    .sfq-form-container[data-theme="auto"] .sfq-text-input {
        color: #e0e0e0;
        border-bottom-color: #3a3a3a;
    }
    
    .sfq-form-container[data-theme="auto"] .sfq-freestyle-input,
    .sfq-form-container[data-theme="auto"] .sfq-freestyle-textarea,
    .sfq-form-container[data-theme="auto"] .sfq-freestyle-select {
        background: #2a2a2a;
        border-color: #3a3a3a;
        color: #e0e0e0;
    }
    
    .sfq-form-container[data-theme="auto"] .sfq-file-upload-area {
        background: #2a2a2a;
        border-color: #3a3a3a;
    }
    
    .sfq-form-container[data-theme="auto"] .sfq-legal-content {
        background: #2a2a2a;
        border-color: #3a3a3a;
        color: #b0b0b0;
    }
}

/* ✅ NUEVO: Animación para degradado animado del botón personalizado y fondo de introducción */
@keyframes sfq-gradient-animation {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* ✅ NUEVO: Estilos para el fondo animado del formulario completo */
.sfq-animated-gradient-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    border-radius: inherit;
    z-index: 0;
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: sfq-gradient-animation 15s ease infinite;
}

/* ✅ NUEVO: Asegurar que el contenido esté por encima del gradiente animado */
.sfq-form-container:has(.sfq-animated-gradient-bg) {
    position: relative;
}

.sfq-form-container:has(.sfq-animated-gradient-bg) .sfq-content-wrapper {
    position: relative;
    z-index: 2;
}

/* ✅ NUEVO: Mejorar legibilidad del texto sobre gradiente animado */
.sfq-form-container:has(.sfq-animated-gradient-bg) .sfq-intro-title,
.sfq-form-container:has(.sfq-animated-gradient-bg) .sfq-intro-description {
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.sfq-form-container:has(.sfq-animated-gradient-bg) .sfq-button-primary {
    background: rgba(255,255,255,0.2);
    border: 2px solid rgba(255,255,255,0.3);
    color: white;
    backdrop-filter: blur(1px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.sfq-form-container:has(.sfq-animated-gradient-bg) .sfq-button-primary:hover {
    background: rgba(255,255,255,0.3);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

/* ✅ NUEVO: Fallback para navegadores que no soportan :has() */
.sfq-form-container.sfq-has-animated-gradient {
    position: relative;
}

.sfq-form-container.sfq-has-animated-gradient .sfq-content-wrapper {
    position: relative;
    z-index: 2;
}

.sfq-form-container.sfq-has-animated-gradient .sfq-intro-title,
.sfq-form-container.sfq-has-animated-gradient .sfq-intro-description {
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.sfq-form-container.sfq-has-animated-gradient .sfq-button-primary {
    background: rgba(255,255,255,0.2);
    border: 2px solid rgba(255,255,255,0.3);
    color: white;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.sfq-form-container.sfq-has-animated-gradient .sfq-button-primary:hover {
    background: rgba(255,255,255,0.3);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

/* ✅ NUEVO: Estilos adicionales para botones con degradado animado */
.sfq-custom-styled-button[style*="sfq-gradient-animation"] {
    background-size: 400% 400% !important;
    animation: sfq-gradient-animation 4s ease infinite !important;
}

/* ✅ CORREGIDO: Selector más específico para asegurar que la animación se aplique */
.sfq-next-button.sfq-custom-styled-button[style*="animation"] {
    background-size: 400% 400% !important;
    animation: sfq-gradient-animation 4s ease infinite !important;
}

/* ✅ NUEVO: Selector alternativo usando clase específica */
.sfq-gradient-animated {
    background-size: 400% 400% !important;
    animation: sfq-gradient-animation 4s ease infinite !important;
}

/* ===== ESTILOS PARA FONDO ANIMADO CON GRADIENTE EN PANTALLA DE INTRODUCCIÓN ===== */

/* Contenedor de introducción con fondo animado */
.sfq-intro-screen.sfq-animated-gradient {
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: sfq-intro-gradient-animation 15s ease infinite;
}

/* Animación personalizable del gradiente de introducción */
@keyframes sfq-intro-gradient-animation {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Contenido de la introducción con fondo animado */
.sfq-intro-screen.sfq-animated-gradient .sfq-intro-title,
.sfq-intro-screen.sfq-animated-gradient .sfq-intro-description {
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    position: relative;
    z-index: 2;
}

/* Botón de introducción con fondo animado */
.sfq-intro-screen.sfq-animated-gradient .sfq-button-primary {
    background: rgba(255,255,255,0.2);
    border: 2px solid rgba(255,255,255,0.3);
    color: white;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.sfq-intro-screen.sfq-animated-gradient .sfq-button-primary:hover {
    background: rgba(255,255,255,0.3);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

/* Overlay opcional para mejorar legibilidad */
.sfq-intro-screen.sfq-animated-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.1);
    z-index: 1;
    pointer-events: none;
}

/* Contenido con z-index superior al overlay */
.sfq-intro-screen.sfq-animated-gradient > * {
    position: relative;
    z-index: 2;
}

/* Responsive para pantalla de introducción con gradiente */
@media (max-width: 768px) {
    .sfq-intro-screen.sfq-animated-gradient {
        min-height: 100vh;
        padding: 2rem 1rem;
    }
    
    .sfq-intro-screen.sfq-animated-gradient .sfq-intro-title {
        font-size: 1.8rem;
    }
    
    .sfq-intro-screen.sfq-animated-gradient .sfq-intro-description {
        font-size: 1rem;
    }
}

/* Variaciones de velocidad de animación */
.sfq-intro-screen.sfq-animated-gradient[data-animation-speed="slow"] {
    animation-duration: 25s;
}

.sfq-intro-screen.sfq-animated-gradient[data-animation-speed="fast"] {
    animation-duration: 8s;
}

/* Soporte para diferentes ángulos de gradiente */
.sfq-intro-screen.sfq-animated-gradient[data-gradient-angle="0"] {
    background: linear-gradient(0deg, var(--gradient-color-1, #ee7752), var(--gradient-color-2, #e73c7e), var(--gradient-color-3, #23a6d5), var(--gradient-color-4, #23d5ab));
}

.sfq-intro-screen.sfq-animated-gradient[data-gradient-angle="45"] {
    background: linear-gradient(45deg, var(--gradient-color-1, #ee7752), var(--gradient-color-2, #e73c7e), var(--gradient-color-3, #23a6d5), var(--gradient-color-4, #23d5ab));
}

.sfq-intro-screen.sfq-animated-gradient[data-gradient-angle="90"] {
    background: linear-gradient(90deg, var(--gradient-color-1, #ee7752), var(--gradient-color-2, #e73c7e), var(--gradient-color-3, #23a6d5), var(--gradient-color-4, #23d5ab));
}

.sfq-intro-screen.sfq-animated-gradient[data-gradient-angle="135"] {
    background: linear-gradient(135deg, var(--gradient-color-1, #ee7752), var(--gradient-color-2, #e73c7e), var(--gradient-color-3, #23a6d5), var(--gradient-color-4, #23d5ab));
}

/* Soporte para tamaños de gradiente personalizados */
.sfq-intro-screen.sfq-animated-gradient[data-gradient-size="200"] {
    background-size: 200% 200%;
}

.sfq-intro-screen.sfq-animated-gradient[data-gradient-size="600"] {
    background-size: 600% 600%;
}

.sfq-intro-screen.sfq-animated-gradient[data-gradient-size="800"] {
    background-size: 800% 800%;
}

/* ✅ NUEVO: Estilos para imagen y video de pregunta */
.sfq-question-with-image,
.sfq-question-with-media {
    display: flex;
    gap: 20px;
    align-items: center;
}

.sfq-question-with-image.position-left,
.sfq-question-with-media.position-left {
    flex-direction: row;
}

.sfq-question-with-image.position-right,
.sfq-question-with-media.position-right {
    flex-direction: row-reverse;
}

.sfq-question-with-image.position-top,
.sfq-question-with-media.position-top {
    flex-direction: column;
    align-items: normal !important;
}

.sfq-question-with-image.position-bottom,
.sfq-question-with-media.position-bottom {
    flex-direction: column;
    align-items: normal !important;
}

.sfq-question-image,
.sfq-question-media {
    flex-shrink: 0;
    border-radius: 8px;
    overflow: hidden;
}

.sfq-question-image.with-shadow,
.sfq-question-media.with-shadow {
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.sfq-question-image img {
    width: 100%;
    height: auto;
    display: block;
}

.sfq-question-media .sfq-video-embed {
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
}

.sfq-question-content-with-image,
.sfq-question-content-with-media {
    flex: 1;
    min-width: 0;
}

/* Estilos para contenedor de imagen de pregunta (método alternativo) */
.sfq-question-image-container {
    margin-bottom: 20px;
}

.sfq-question-image-container.sfq-position-left,
.sfq-question-image-container.sfq-position-right {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 20px;
}

.sfq-question-image-container.sfq-position-right {
    flex-direction: row-reverse;
}

.sfq-question-image-container.sfq-position-top {
    text-align: center;
    margin-bottom: 20px;
}

.sfq-question-image-container.sfq-position-bottom {
    text-align: center;
    margin-top: 20px;
    margin-bottom: 0;
}

/* Responsive para imagen y video de pregunta */
@media (max-width: 768px) {
    .sfq-question-with-image:not(.mobile-force-position),
    .sfq-question-with-media:not(.mobile-force-position) {
        flex-direction: column !important;
    }
    
    .sfq-question-with-image:not(.mobile-force-position) .sfq-question-image,
    .sfq-question-with-media:not(.mobile-force-position) .sfq-question-media {
        order: -1; /* Imagen/video arriba por defecto en móvil */
    }
    
    .sfq-question-image-container.sfq-position-left:not(.sfq-mobile-force-position),
    .sfq-question-image-container.sfq-position-right:not(.sfq-mobile-force-position),
    .sfq-question-media-container.sfq-position-left:not(.sfq-mobile-force-position),
    .sfq-question-media-container.sfq-position-right:not(.sfq-mobile-force-position) {
        flex-direction: column !important;
        text-align: center !important;
    }
    
    .sfq-question-image-container.sfq-mobile-force-position.sfq-position-left,
    .sfq-question-media-container.sfq-mobile-force-position.sfq-position-left {
        flex-direction: row !important;
        text-align: left !important;
    }
    
    .sfq-question-image-container.sfq-mobile-force-position.sfq-position-right,
    .sfq-question-media-container.sfq-mobile-force-position.sfq-position-right {
        flex-direction: row-reverse !important;
        text-align: right !important;
    }
    
    /* Ancho por defecto en móvil */
    .sfq-question-image,
    .sfq-question-media {
        max-width: 100% !important;
        width: auto !important;
        max-height: 300px !important;
    }
    
    /* ✅ NUEVO: Ancho personalizado para móvil cuando se fuerza posición */
    .sfq-question-image[data-mobile-width],
    .sfq-question-media[data-mobile-width] {
        width: var(--sfq-mobile-media-width) !important;
        max-width: 100% !important;
    }
    
    .sfq-question-image-container.sfq-mobile-force-position .sfq-question-image[data-mobile-width],
    .sfq-question-media-container.sfq-mobile-force-position .sfq-question-media[data-mobile-width] {
        width: var(--sfq-mobile-media-width) !important;
        max-width: 100% !important;
    }
    
    .sfq-question-with-image.mobile-force-position .sfq-question-image[data-mobile-width],
    .sfq-question-with-media.mobile-force-position .sfq-question-media[data-mobile-width] {
        width: var(--sfq-mobile-media-width) !important;
        max-width: 100% !important;
    }
}