/**
 * Estilos para el Modal de Engagement de Eventos
 * Diseño moderno, elegante y no invasivo
 */

/* ===== VARIABLES CSS ===== */
:root {
    --engagement-primary: #6366f1;
    --engagement-primary-dark: #4f46e5;
    --engagement-secondary: #f59e0b;
    --engagement-success: #10b981;
    --engagement-warning: #f59e0b;
    --engagement-danger: #ef4444;
    
    --engagement-bg-overlay: rgba(0, 0, 0, 0.4);
    --engagement-bg-modal: #ffffff;
    --engagement-bg-surface: #f8fafc;
    --engagement-bg-hover: #f1f5f9;
    
    --engagement-text-primary: #1e293b;
    --engagement-text-secondary: #64748b;
    --engagement-text-muted: #94a3b8;
    
    --engagement-border: #e2e8f0;
    --engagement-border-light: #f1f5f9;
    
    --engagement-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --engagement-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --engagement-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --engagement-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    --engagement-radius: 12px;
    --engagement-radius-lg: 16px;
    --engagement-radius-full: 9999px;
    
    --engagement-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --engagement-transition-fast: all 0.15s ease-out;
    
    --engagement-z-modal: 1000;
    --engagement-z-overlay: 999;
}

/* ===== OVERLAY Y CONTENEDOR PRINCIPAL ===== */
.engagement-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--engagement-bg-overlay);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: var(--engagement-z-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    transform: scale(0.9);
    transition: var(--engagement-transition);
}

.engagement-modal-overlay.show {
    opacity: 1;
    transform: scale(1);
}

/* ===== MODAL PRINCIPAL ===== */
.engagement-modal {
    background: var(--engagement-bg-modal);
    border-radius: var(--engagement-radius-lg);
    box-shadow: var(--engagement-shadow-xl);
    max-width: 480px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    position: relative;
    transform: translateY(20px) scale(0.95);
    transition: var(--engagement-transition);
    border: 1px solid var(--engagement-border-light);
}

.engagement-modal-overlay.show .engagement-modal {
    transform: translateY(0) scale(1);
}

/* ===== HEADER DEL MODAL ===== */
.engagement-modal-header {
    padding: 1.5rem 1.5rem 1rem;
    border-bottom: 1px solid var(--engagement-border-light);
    position: relative;
    background: linear-gradient(135deg, var(--engagement-bg-surface) 0%, var(--engagement-bg-modal) 100%);
}

.event-preview {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-right: 2.5rem; /* Espacio para botón de cerrar */
}

.event-image-container {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    border-radius: var(--engagement-radius);
    overflow: hidden;
    background: var(--engagement-bg-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--engagement-border-light);
}

.event-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--engagement-transition-fast);
}

.event-image-placeholder {
    color: var(--engagement-text-muted);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--engagement-primary) 0%, var(--engagement-secondary) 100%);
    color: white;
}

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

.event-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--engagement-text-primary);
    margin: 0 0 0.25rem 0;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.event-category {
    display: inline-block;
    background: linear-gradient(135deg, var(--engagement-primary) 0%, var(--engagement-primary-dark) 100%);
    color: white;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.75rem;
    border-radius: var(--engagement-radius-full);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.event-date {
    display: block;
    font-size: 0.875rem;
    color: var(--engagement-text-secondary);
    font-weight: 500;
}

.modal-close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2rem;
    height: 2rem;
    border: none;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--engagement-transition-fast);
    color: var(--engagement-text-secondary);
    box-shadow: var(--engagement-shadow-sm);
}

.modal-close-btn:hover {
    background: var(--engagement-danger);
    color: white;
    transform: scale(1.1);
}

.modal-close-btn:focus {
    outline: 2px solid var(--engagement-primary);
    outline-offset: 2px;
}

/* ===== CUERPO DEL MODAL ===== */
.engagement-modal-body {
    padding: 1.5rem;
}

.feedback-section {
    margin-bottom: 1.5rem;
}

.feedback-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--engagement-text-primary);
    margin: 0 0 0.5rem 0;
    text-align: center;
}

.feedback-subtitle {
    font-size: 0.875rem;
    color: var(--engagement-text-secondary);
    text-align: center;
    margin: 0 0 1.5rem 0;
    line-height: 1.5;
}

/* ===== OPCIONES DE FEEDBACK ===== */
.feedback-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.feedback-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border: 2px solid var(--engagement-border);
    border-radius: var(--engagement-radius);
    background: var(--engagement-bg-modal);
    cursor: pointer;
    transition: var(--engagement-transition-fast);
    text-align: left;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.feedback-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.feedback-btn:hover::before {
    left: 100%;
}

.feedback-btn:hover {
    border-color: var(--engagement-primary);
    background: var(--engagement-bg-hover);
    transform: translateY(-2px);
    box-shadow: var(--engagement-shadow);
}

.feedback-btn:focus {
    outline: none;
    border-color: var(--engagement-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.feedback-btn.selected {
    border-color: var(--engagement-primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(99, 102, 241, 0.05) 100%);
    transform: translateY(-2px);
    box-shadow: var(--engagement-shadow);
}

.feedback-btn.primary.selected {
    border-color: var(--engagement-success);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
}

.feedback-btn.secondary.selected {
    border-color: var(--engagement-warning);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.05) 100%);
}

.feedback-btn.tertiary.selected {
    border-color: var(--engagement-text-muted);
    background: linear-gradient(135deg, rgba(148, 163, 184, 0.1) 0%, rgba(148, 163, 184, 0.05) 100%);
}

.btn-icon {
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--engagement-transition-fast);
}

.feedback-btn.primary .btn-icon {
    background: linear-gradient(135deg, var(--engagement-success) 0%, #059669 100%);
    color: white;
}

.feedback-btn.secondary .btn-icon {
    background: linear-gradient(135deg, var(--engagement-warning) 0%, #d97706 100%);
    color: white;
}

.feedback-btn.tertiary .btn-icon {
    background: linear-gradient(135deg, var(--engagement-text-muted) 0%, #6b7280 100%);
    color: white;
}

.feedback-btn:hover .btn-icon {
    transform: scale(1.1);
}

.btn-content {
    flex: 1;
    min-width: 0;
}

.btn-title {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--engagement-text-primary);
    margin-bottom: 0.25rem;
}

.btn-subtitle {
    display: block;
    font-size: 0.875rem;
    color: var(--engagement-text-secondary);
    line-height: 1.3;
}

/* ===== PREGUNTA ADICIONAL ===== */
.additional-question {
    opacity: 0;
    transform: translateY(10px);
    transition: var(--engagement-transition);
    border-top: 1px solid var(--engagement-border-light);
    padding-top: 1.5rem;
    margin-top: 1.5rem;
}

.additional-question.show {
    opacity: 1;
    transform: translateY(0);
}

.question-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--engagement-text-primary);
    margin: 0 0 1rem 0;
    text-align: center;
}

.question-options {
    display: flex;
    gap: 0.75rem;
}

.option-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 0.75rem;
    border: 2px solid var(--engagement-border);
    border-radius: var(--engagement-radius);
    background: var(--engagement-bg-modal);
    cursor: pointer;
    transition: var(--engagement-transition-fast);
    text-align: center;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--engagement-text-secondary);
}

.option-btn:hover {
    border-color: var(--engagement-primary);
    background: var(--engagement-bg-hover);
    color: var(--engagement-text-primary);
    transform: translateY(-2px);
}

.option-btn:focus {
    outline: none;
    border-color: var(--engagement-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.option-btn.selected {
    border-color: var(--engagement-primary);
    background: linear-gradient(135deg, var(--engagement-primary) 0%, var(--engagement-primary-dark) 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--engagement-shadow);
}

.option-btn.positive.selected {
    border-color: var(--engagement-success);
    background: linear-gradient(135deg, var(--engagement-success) 0%, #059669 100%);
}

.option-btn.negative.selected {
    border-color: var(--engagement-text-muted);
    background: linear-gradient(135deg, var(--engagement-text-muted) 0%, #6b7280 100%);
}

.option-btn i {
    font-size: 1.25rem;
    transition: var(--engagement-transition-fast);
}

.option-btn:hover i {
    transform: scale(1.1);
}

/* ===== ESTADOS DE LOADING Y SUCCESS ===== */
.feedback-loading,
.feedback-success {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
    min-height: 120px;
}

.feedback-loading {
    color: var(--engagement-text-secondary);
}

.loading-spinner {
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--engagement-border);
    border-top: 3px solid var(--engagement-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.feedback-success {
    color: var(--engagement-success);
}

.success-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--engagement-success) 0%, #059669 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    animation: successPulse 0.6s ease-out;
}

@keyframes successPulse {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.feedback-success h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--engagement-text-primary);
    margin: 0 0 0.5rem 0;
}

.feedback-success p {
    font-size: 0.875rem;
    color: var(--engagement-text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* ===== FOOTER DEL MODAL ===== */
.engagement-modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--engagement-border-light);
    background: var(--engagement-bg-surface);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.skip-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--engagement-border);
    border-radius: var(--engagement-radius-full);
    background: var(--engagement-bg-modal);
    color: var(--engagement-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--engagement-transition-fast);
}

.skip-btn:hover {
    border-color: var(--engagement-text-muted);
    color: var(--engagement-text-primary);
    background: var(--engagement-bg-hover);
}

.skip-btn:focus {
    outline: none;
    border-color: var(--engagement-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.modal-branding {
    font-size: 0.75rem;
    color: var(--engagement-text-muted);
    font-weight: 500;
    letter-spacing: 0.025em;
}

/* ===== TOASTS DE NOTIFICACIÓN ===== */
.engagement-toast {
    position: fixed;
    top: 2rem;
    right: 2rem;
    background: var(--engagement-bg-modal);
    border-radius: var(--engagement-radius);
    box-shadow: var(--engagement-shadow-lg);
    padding: 1rem 1.5rem;
    border-left: 4px solid var(--engagement-primary);
    z-index: calc(var(--engagement-z-modal) + 10);
    transform: translateX(100%);
    opacity: 0;
    transition: var(--engagement-transition);
    max-width: 320px;
}

.engagement-toast.show {
    transform: translateX(0);
    opacity: 1;
}

.engagement-toast.success {
    border-left-color: var(--engagement-success);
}

.engagement-toast.warning {
    border-left-color: var(--engagement-warning);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.toast-content i {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.engagement-toast.success .toast-content i {
    color: var(--engagement-success);
}

.engagement-toast.warning .toast-content i {
    color: var(--engagement-warning);
}

.toast-content span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--engagement-text-primary);
    line-height: 1.4;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 640px) {
    .engagement-modal-overlay {
        padding: 0.5rem;
        align-items: flex-end;
    }
    
    .engagement-modal {
        max-width: none;
        width: 100%;
        border-radius: var(--engagement-radius-lg) var(--engagement-radius-lg) 0 0;
        max-height: 85vh;
    }
    
    .engagement-modal-header {
        padding: 1.25rem 1.25rem 1rem;
    }
    
    .engagement-modal-body {
        padding: 1.25rem;
    }
    
    .event-preview {
        gap: 0.75rem;
    }
    
    .event-image-container {
        width: 50px;
        height: 50px;
    }
    
    .event-name {
        font-size: 1rem;
    }
    
    .feedback-title {
        font-size: 1.125rem;
    }
    
    .feedback-btn {
        padding: 0.875rem;
        gap: 0.75rem;
    }
    
    .btn-icon {
        width: 2rem;
        height: 2rem;
        font-size: 1rem;
    }
    
    .btn-title {
        font-size: 0.875rem;
    }
    
    .btn-subtitle {
        font-size: 0.8125rem;
    }
    
    .question-options {
        flex-direction: column;
    }
    
    .option-btn {
        flex-direction: row;
        justify-content: center;
        padding: 0.875rem;
        gap: 0.75rem;
    }
    
    .engagement-toast {
        top: 1rem;
        right: 1rem;
        left: 1rem;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .engagement-modal-header {
        padding: 1rem;
    }
    
    .engagement-modal-body {
        padding: 1rem;
    }
    
    .engagement-modal-footer {
        padding: 0.875rem 1rem;
    }
    
    .feedback-btn {
        padding: 0.75rem;
    }
    
    .btn-content {
        min-width: 0;
    }
    
    .btn-title {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

/* ===== MODO OSCURO ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --engagement-bg-overlay: rgba(0, 0, 0, 0.6);
        --engagement-bg-modal: #1e293b;
        --engagement-bg-surface: #334155;
        --engagement-bg-hover: #475569;
        
        --engagement-text-primary: #f1f5f9;
        --engagement-text-secondary: #cbd5e1;
        --engagement-text-muted: #94a3b8;
        
        --engagement-border: #475569;
        --engagement-border-light: #334155;
    }
    
    .engagement-toast {
        background: var(--engagement-bg-modal);
        border: 1px solid var(--engagement-border);
    }
}

/* ===== ANIMACIONES ADICIONALES ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feedback-btn {
    animation: fadeInUp 0.3s ease-out;
}

.feedback-btn:nth-child(1) { animation-delay: 0.1s; }
.feedback-btn:nth-child(2) { animation-delay: 0.2s; }
.feedback-btn:nth-child(3) { animation-delay: 0.3s; }

/* ===== ACCESIBILIDAD ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible para navegación por teclado */
.feedback-btn:focus-visible,
.option-btn:focus-visible,
.modal-close-btn:focus-visible,
.skip-btn:focus-visible {
    outline: 2px solid var(--engagement-primary);
    outline-offset: 2px;
}

/* Estados de alto contraste */
@media (prefers-contrast: high) {
    .feedback-btn,
    .option-btn {
        border-width: 3px;
    }
    
    .feedback-btn.selected,
    .option-btn.selected {
        border-width: 4px;
    }
}