/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

/* Contenedor principal */
.container {
    max-width: 800px;
    width: 100%;
    background: white;
    border-radius: 25px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    padding: 30px;
    position: relative;
    z-index: 1;
}

/* Encabezado */
header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 3px solid #e0e0e0;
}

header h1 {
    color: #6b8cce;
    font-size: 2.5rem;
    margin-bottom: 15px;
}

#progress {
    display: flex;
    justify-content: space-between;
    font-size: 1.1rem;
    color: #666;
    flex-wrap: wrap;
    gap: 10px;
}

.score {
    font-weight: bold;
    color: #f39c12;
}

/* Botón de información */
.info-icon {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    margin-left: 8px;
    padding: 4px 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
    vertical-align: middle;
}

.info-icon:hover {
    background: #e8f4f8;
    transform: scale(1.1);
}

.info-icon:active {
    transform: scale(0.95);
}

/* Modal de información */
.modal {
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 90%;
    position: relative;
    animation: slideIn 0.3s ease;
}

.modal-content h2 {
    color: #6b8cce;
    margin-bottom: 20px;
    text-align: center;
}

.close-modal {
    position: absolute;
    right: 15px;
    top: 15px;
    font-size: 2rem;
    font-weight: bold;
    color: #999;
    cursor: pointer;
    transition: color 0.3s ease;
    line-height: 1;
}

.close-modal:hover {
    color: #333;
}

#modal-info-content {
    text-align: left;
}

#modal-info-content p {
    margin: 10px 0;
    font-size: 1.1rem;
    color: #2d3436;
}

#modal-info-content strong {
    color: #6b8cce;
}

#modal-info-content .stat-row {
    padding: 10px;
    background: #f8f9fa;
    border-radius: 8px;
    margin: 8px 0;
}

#modal-info-content .warning {
    color: #ff6b6b;
    background: #ffe8e8;
    padding: 12px;
    border-radius: 8px;
    margin-top: 15px;
}

/* Información de progreso (eliminada del header) */
.progress-info {
    display: none;
}

/* Etiqueta de categoría */
.category-tag {
    display: inline-block;
    background: #6b8cce;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 10px;
    font-weight: 600;
}

/* Contenedor de la pregunta */
#question-container {
    background: linear-gradient(135deg, #ffeaa7 0%, #fdcb6e 100%);
    padding: 25px;
    border-radius: 15px;
    margin-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

#question-text {
    color: #2d3436;
    font-size: 1.5rem;
    text-align: center;
    line-height: 1.6;
}

/* Imagen de la pregunta */
.question-image {
    width: 100%;
    max-width: 300px;
    height: auto;
    border-radius: 10px;
    margin: 0 auto;
    display: block;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    background: white;
    padding: 10px;
}

/* Contenedor de respuestas */
#answers-container {
    display: grid;
    gap: 15px;
    margin-bottom: 25px;
}

.answer-option {
    background: linear-gradient(135deg, #a8e6cf 0%, #dcedc8 100%);
    border: 3px solid transparent;
    border-radius: 15px;
    padding: 20px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    color: #2d3436;
}

.answer-option:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.answer-option.selected {
    border-color: #6b8cce;
    background: linear-gradient(135deg, #74b9ff 0%, #a29bfe 100%);
    color: white;
    font-weight: bold;
}

.answer-option.correct {
    border-color: #00b894;
    background: linear-gradient(135deg, #55efc4 0%, #00b894 100%);
    color: white;
    animation: pulse 0.5s ease-in-out;
}

.answer-option.incorrect {
    border-color: #d63031;
    background: linear-gradient(135deg, #ff7675 0%, #d63031 100%);
    color: white;
    animation: shake 0.5s ease-in-out;
}

.answer-option.disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

/* Input de texto para respuestas */
.text-input-container {
    width: 100%;
    max-width: 500px;
    margin: 20px auto;
}

.text-answer-input {
    width: 100%;
    padding: 15px 20px;
    font-size: 1.2rem;
    border: 3px solid #ddd;
    border-radius: 15px;
    box-sizing: border-box;
    font-family: 'Comic Sans MS', 'Poppins', sans-serif;
    text-align: center;
    transition: all 0.3s ease;
    background: white;
}

.text-answer-input:focus {
    outline: none;
    border-color: #4ecdc4;
    box-shadow: 0 0 15px rgba(78, 205, 196, 0.3);
    transform: scale(1.02);
}

.text-answer-input:disabled {
    background: #f5f5f5;
    cursor: not-allowed;
}

.text-answer-input.correct-input {
    border-color: #2ecc71;
    background: #d4edda;
    animation: pulse 0.5s ease;
}

.text-answer-input.incorrect-input {
    border-color: #e74c3c;
    background: #f8d7da;
    animation: shake 0.5s ease;
}

/* Botones */
#buttons-container {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 40px;
    font-size: 1.1rem;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, #6b8cce 0%, #4a69bd 100%);
    color: white;
}

.btn-secondary {
    background: linear-gradient(135deg, #fdcb6e 0%, #f39c12 100%);
    color: white;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Retroalimentación */
#feedback {
    margin-top: 10px;
    margin-bottom: 20px;
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    font-size: 1.2rem;
    font-weight: bold;
    animation: fadeIn 0.5s ease-in-out;
}

#feedback.correct {
    background: linear-gradient(135deg, #55efc4 0%, #00b894 100%);
    color: white;
}

#feedback.incorrect {
    background: linear-gradient(135deg, #ff7675 0%, #d63031 100%);
    color: white;
}

/* Pantalla final */
#final-screen {
    text-align: center;
    animation: fadeIn 0.5s ease-in-out;
}

#final-screen h2 {
    color: #6b8cce;
    font-size: 2.5rem;
    margin-bottom: 25px;
}

#final-score {
    font-size: 1.8rem;
    color: #2d3436;
    margin-bottom: 30px;
    padding: 30px;
    background: linear-gradient(135deg, #ffeaa7 0%, #fdcb6e 100%);
    border-radius: 15px;
    font-weight: bold;
}

/* Canvas de confeti */
#confetti-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
}

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-10px);
    }
    75% {
        transform: translateX(10px);
    }
}

/* Responsive para móviles */
@media (max-width: 768px) {
    .container {
        padding: 20px;
    }

    header h1 {
        font-size: 1.8rem;
    }

    #question-text {
        font-size: 1.2rem;
    }

    .question-image {
        max-width: 250px;
    }

    .answer-option {
        padding: 15px;
        font-size: 1rem;
    }

    .btn {
        padding: 12px 30px;
        font-size: 1rem;
    }

    #final-screen h2 {
        font-size: 1.8rem;
    }

    #final-score {
        font-size: 1.4rem;
        padding: 20px;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.5rem;
    }

    #progress {
        font-size: 0.9rem;
        justify-content: center;
    }

    #question-text {
        font-size: 1.1rem;
    }

    .question-image {
        max-width: 200px;
    }

    .answer-option {
        font-size: 0.95rem;
    }
}

/* Enlace para limpiar sesión */
#clear-session-link:hover {
    opacity: 1 !important;
    text-decoration: underline !important;
    color: #ff4444 !important;
}