/* style.css */

body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f7f6;
    color: #333;
    line-height: 1.6;
}

header {
    background-color: #2c3e50; /* Azul oscuro */
    color: #fff;
    padding: 1.5rem 0;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

header h1 {
    margin: 0;
    font-size: 2.2rem;
}

nav {
    margin-top: 1rem;
}

nav button {
    background-color: #3498db; /* Azul claro */
    color: #fff;
    border: none;
    padding: 0.8rem 1.5rem;
    margin: 0 0.5rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

nav button:hover {
    background-color: #2980b9; /* Azul más oscuro al pasar el ratón */
}

main {
    padding: 2rem;
    max-width: 900px;
    margin: 2rem auto;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.05);
}

.app-section {
    margin-bottom: 3rem;
    padding: 1.5rem;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background-color: #fafafa;
}

.app-section h2 {
    color: #2c3e50;
    margin-top: 0;
    font-size: 1.8rem;
    border-bottom: 2px solid #3498db;
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

/* Estilos para la sección de Listado y Búsqueda */
#searchInput {
    width: calc(100% - 20px);
    padding: 10px;
    margin-bottom: 1.5rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
}

#vocabularyList {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); /* 2-3 columnas */
    gap: 15px;
}

.vocabulary-item {
    background-color: #eaf3f8; /* Un azul muy claro */
    border: 1px solid #b3d9f0;
    border-radius: 5px;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    animation: fadeIn 0.3s ease-out;
}

.vocabulary-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.vocabulary-item .english {
    font-weight: bold;
    color: #2c3e50;
    flex: 1; /* Para que ocupe espacio y el español se alinee */
}

.vocabulary-item .spanish {
    color: #555;
    text-align: right;
    flex: 1;
}

.vocabulary-item.playing {
    background-color: #ffe4e6; /* rose-100 */
    color: #9f1239; /* rose-800 */
}

/* --- NUEVO DISEÑO DE FLASHCARDS --- */

/* Contenedor principal que centra la tarjeta y los controles */
#flashcardContainer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem; /* Espacio entre la tarjeta y los botones */
}

/* Perspectiva para el efecto 3D */
.flashcard-scene {
    width: 100%;
    max-width: 450px; /* Ancho máximo de la tarjeta */
    height: 250px;
    perspective: 1000px;
}

/* El componente de la tarjeta que rota */
.flashcard {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
    cursor: pointer;
}

.flashcard.flipped {
    transform: rotateY(180deg);
}

/* Estilo común para la cara frontal y trasera */
.flashcard-face {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    
    display: flex;
    justify-content: center;
    align-items: center;
    
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    
    font-size: 1.8rem;
    font-weight: bold;
    text-align: center;
    color: #333;
}

/* Cara frontal */
.flashcard-front {
    background: linear-gradient(135deg, #ffffff, #f0f5f9);
    border: 1px solid #e1e8f0;
}

/* Cara trasera */
.flashcard-back {
    transform: rotateY(180deg);
    background: linear-gradient(135deg, #e6f7ff, #dcf0ff);
    border: 1px solid #c2e2f2;
}

/* Contenedor para los botones */
.navigation {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* Estilo general de los botones de navegación */
.nav-button, .listen-button {
    background-color: #fff;
    border: 1px solid #ccc;
    border-radius: 50%; /* Círculos */
    width: 50px;
    height: 50px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.2s ease-in-out;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.nav-button:hover, .listen-button:hover {
    background-color: #f5f5f5;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.nav-button:active, .listen-button:active {
    transform: translateY(0);
}

.listen-button.playing {
    background-color: #8c0c03;
    color: white;
    border-color: #8c0c03;
}

.nav-button svg, .listen-button svg {
    width: 24px;
    height: 24px;
    color: #555;
}

.listen-button.playing svg {
    color: white;
}

#cardCounter {
    font-size: 1.1rem;
    color: #666;
    font-weight: 500;
    min-width: 80px; /* Evita que el layout salte */
    text-align: center;
}

/* --- FIN DEL NUEVO DISEÑO --- */

/* Estilos para Quiz */
.quiz-question {
    background-color: #d1ecf1; /* Azul muy claro */
    border: 1px solid #bee5eb;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    font-size: 1.5rem;
    text-align: center;
    color: #0c5460;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.quiz-option {
    background-color: #f3f4f6;
    border: 2px solid transparent;
    padding: 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.quiz-option:hover {
    background-color: #e5e7eb;
}

.quiz-option.selected {
    border-color: #3b82f6;
    background-color: #eff6ff;
}

.quiz-option.correct {
    background-color: #d1fae5;
    border-color: #059669;
}

.quiz-option.incorrect {
    background-color: #fee2e2;
    border-color: #dc2626;
}

.btn-restart-quiz {
    background-color: #3b82f6;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: background-color 0.2s ease;
}

.btn-restart-quiz:hover {
    background-color: #2563eb;
}

#checkAnswerBtn, #nextQuestionBtn {
    background-color: #007bff; /* Azul primario */
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.1rem;
    transition: background-color 0.3s ease;
    width: 100%;
    margin-top: 10px;
}

#checkAnswerBtn:hover, #nextQuestionBtn:hover {
    background-color: #0056b3;
}

#quizResult {
    text-align: center;
    margin-top: 15px;
    font-size: 1.2rem;
    font-weight: bold;
}

/* Media Queries para responsividad */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.8rem;
    }
    nav button {
        display: block;
        width: calc(100% - 1rem);
        margin: 0.5rem auto;
    }
    main {
        margin: 1rem auto;
        padding: 1rem;
    }
    .app-section {
        padding: 1rem;
    }
    #vocabularyList {
        grid-template-columns: 1fr; /* Una columna en pantallas pequeñas */
    }
    .flashcard {
        width: 90%; /* Ajustar ancho de flashcard */
        height: 150px;
    }
}

/* Estilos para el selector de categorías */
.category-selector {
    margin-bottom: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.category-btn {
    background-color: #e2e8f0;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.category-btn.active {
    background-color: #3498db;
    color: white;
}

.category-btn:hover {
    background-color: #2980b9;
    color: white;
}

/* Estilos para la sección de diálogos */
.dialogue-container {
    display: grid;
    gap: 1.5rem;
    padding: 1rem;
}

.dialogue-card {
    background-color: white;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    overflow: hidden;
    transition: all 0.2s ease;
}

.dialogue-card:hover {
    border-color: #93c5fd;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.dialogue-card h3 {
    color: #2c3e50;
    margin-top: 0;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.dialogue-content {
    background-color: #f8fafc;
    padding: 0.75rem;
    border-radius: 0.375rem;
    margin-bottom: 0.75rem;
}

.dialogue-content p {
    margin: 0.25rem 0;
    line-height: 1.6;
}

.dialogue-content strong {
    color: #3498db;
}

.practice-btn {
    background-color: #2ecc71;
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
    width: 100%;
}

.practice-btn:hover {
    background-color: #27ae60;
}

/* Animaciones */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Estilos para dispositivos móviles */
@media (max-width: 640px) {
    .category-selector {
        flex-direction: column;
        gap: 0.5rem;
    }
    .category-btn {
        width: 100%;
        padding: 0.75rem 0.5rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .vocabulary-item {
        transition: none;
    }
}

/* Estilos para los botones de audio */
.audio-btn {
    padding: 0.25rem;
    border-radius: 9999px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.audio-btn:hover {
    transform: scale(1.1);
    background-color: #bfdbfe;
}

.audio-btn.playing {
    background-color: #93c5fd;
    animation: pulse 2s infinite;
}

.stop-audio-btn.active {
    display: inline-flex;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: .7;
    }
}

@media (max-width: 768px) {
    .dialogue-line {
        flex-direction: column;
        align-items: flex-start;
    }
    .dialogue-line .flex {
        width: 100%;
        justify-content: space-between;
    }
    .category-selector {
        flex-wrap: wrap;
        justify-content: center;
    }
    .category-btn {
        flex-grow: 1;
    }
    .vocabulary-item {
        flex-direction: column;
        align-items: flex-start;
    }
    .quiz-options {
        flex-direction: column;
    }
}

/* Estilos para la imagen interactiva */
.truck-hotspots {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none; /* Permite que los clicks pasen a través del contenedor */
}

.hotspot {
    position: absolute;
    padding: 8px; /* Área de toque más grande */
    background: none;
    border: none;
    cursor: pointer;
    transform: translate(-50%, -50%);
    pointer-events: auto; /* Restaura los eventos de click en los hotspots */
    z-index: 10;
}

.hotspot .dot {
    display: block;
    width: 16px;
    height: 16px;
    background-color: #3b82f6;
    border: 2px solid white;
    border-radius: 50%;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.5);
    transition: all 0.3s ease;
}

.hotspot:hover .dot {
    transform: scale(1.2);
    background-color: #2563eb;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.3);
}

.hotspot.active .dot {
    background-color: #1d4ed8;
    transform: scale(1.2);
}

#partInfo {
    transition: all 0.3s ease;
}

#partInfo.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* Responsive styles for interactive image */
@media (max-width: 768px) {
    #truckImageContainer {
        position: relative;
        width: 100%;
        overflow: hidden;
        touch-action: pan-x pan-y; /* Permite el scroll y zoom en móviles */
    }

    .hotspot {
        padding: 12px; /* Área de toque aún más grande en móviles */
    }

    .hotspot .dot {
        width: 20px;
        height: 20px;
        border-width: 3px;
    }

    #partInfo {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 50;
        margin: 0;
        padding: 1rem;
        border-radius: 1rem 1rem 0 0;
        background-color: white;
        box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.1);
        max-height: 40vh;
        overflow-y: auto;
    }

    #partInfo.show {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    /* Añadir un indicador de deslizamiento */
    #partInfo::before {
        content: '';
        width: 40px;
        height: 4px;
        background-color: #e5e7eb;
        border-radius: 2px;
        margin: -8px auto 8px;
    }
}

/* Mejoras de accesibilidad táctil */
@media (hover: none) {
    .hotspot .dot {
        opacity: 0.8; /* Hacer los puntos más visibles en dispositivos táctiles */
    }

    .hotspot:active .dot {
        transform: scale(1.3);
        background-color: #2563eb;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Estilos generales */
.transition-all {
    transition-property: all;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

/* Animaciones del menú móvil */
#mobile-menu-button span {
    transition: transform 0.3s ease;
}

#mobile-menu-button span:first-child.transform {
    transform: translateY(6px) rotate(45deg);
}

#mobile-menu-button span:nth-child(2).transform {
    opacity: 0;
}

#mobile-menu-button span:last-child.transform {
    transform: translateY(-6px) rotate(-45deg);
}

/* Animaciones del menú móvil */
#mobile-menu {
    transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
    transform-origin: top;
}

#mobile-menu.hidden {
    transform: scaleY(0);
    opacity: 0;
}

#mobile-menu:not(.hidden) {
    transform: scaleY(1);
    opacity: 1;
}

/* Estilos para la sección de imágenes */
.canvas-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    background: #f0f9ff;
    border: 2px solid #bfdbfe;
    border-radius: 0.5rem;
    overflow: hidden;
    transition: border-color 0.2s ease;
}

.canvas-container:hover {
    border-color: #60a5fa;
}

#truckCanvas {
    display: block;
    width: 100%;
    height: auto;
    touch-action: none;
    cursor: pointer;
}

#tooltip {
    position: absolute;
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    pointer-events: none;
    z-index: 50;
    transition: all 0.2s ease;
    white-space: nowrap;
}

#partInfo {
    position: fixed;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    background-color: white;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    padding: 0.75rem;
    max-width: 20rem;
    width: 90%;
    z-index: 40;
    transition: all 0.3s ease;
}

/* Responsive */
@media (max-width: 640px) {
    section > div {
        grid-template-columns: 1fr;
    }
    .canvas-container {
        height: auto;
    }
    #partInfo {
        position: static;
        transform: none;
        width: 100%;
        margin-top: 1rem;
    }
    #tooltip {
        display: none !important;
    }
}

@keyframes pulse {
    50% {
        transform: scale(1.1);
    }
}

.hotspot-effect {
    animation: pulse 1.5s infinite;
}

@media (prefers-reduced-motion: reduce) {
    #tooltip,
    .hotspot .dot,
    .hotspot:hover .dot,
    .hotspot.active .dot {
        transition: none;
    }
    .hotspot-effect {
        animation: none;
    }
}

@media (prefers-color-scheme: dark) {
    .canvas-container {
        border-color: #4a5568;
    }
    #tooltip {
        background-color: #2d3748;
        color: #e2e8f0;
        border-color: #4a5568;
    }
}

@media (max-width: 640px) {
    .quiz-option {
        padding: 0.75rem;
        font-size: 0.875rem;
    }
}

section > div {
    display: grid;
    padding: 0.75rem;
}

section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Estilos para Pestañas del Dashboard */
.tab-btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 0.375rem; /* rounded-md */
    transition: all 0.2s ease-in-out;
    border: 1px solid transparent;
    cursor: pointer;
    text-align: center;
}

.tab-btn.active-tab {
    background-color: #be123c; /* rose-700 */
    color: white;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
}

.tab-btn.inactive-tab {
    color: #374151; /* gray-700 */
    background-color: #f3f4f6; /* gray-100 */
    border-color: #e5e7eb; /* gray-200 */
}

.tab-btn.inactive-tab:hover {
    background-color: #e5e7eb; /* gray-200 */
    color: #1f2937; /* gray-800 */
}

/* En móvil, las pestañas se apilan */
@media (max-width: 640px) {
    #dashboard-tabs {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }
}

.quiz-option {
    display: flex;
}

/* Estilos para Feedback de Respuestas del Quiz */
.quiz-option.correct-answer {
    background-color: #dcfce7; /* green-100 */
    border-color: #86efac; /* green-300 */
}
.quiz-option.correct-answer span, .quiz-option.correct-answer input {
    font-weight: 600;
    color: #166534; /* green-800 */
}

.quiz-option.incorrect-answer {
    background-color: #fee2e2; /* red-100 */
    border-color: #fca5a5; /* red-300 */
}
.quiz-option.incorrect-answer span {
    color: #991b1b; /* red-800 */
}

/* Estilos para el Modal de Resultados */
#resultModal {
    transition: opacity 0.3s ease-in-out;
}
#resultModal:not(.show) {
    opacity: 0;
    pointer-events: none;
}
#resultModal.show #resultModalContent {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}