/* Estilos generales y variables */
:root {
    --primary-color: #4a90e2;
    --secondary-color: #50e3c2;
    --correct-color: #7ed321;
    --incorrect-color: #d0021b;
    --background-color: #f0f4f8;
    --card-background: #ffffff;
    --text-color: #333;
    --light-text-color: #fff;
    --border-radius: 12px;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    width: 100%;
    padding: 20px;
    box-sizing: border-box;
}

/* Estilos de la pantalla de bienvenida */
.welcome-container {
    max-width: 500px;
    text-align: center;
}

.card {
    background: var(--card-background);
    padding: 30px 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.card h1 {
    color: var(--primary-color);
    margin-top: 0;
}

/* Estilos de la pantalla principal de la app */
.app-container {
    max-width: 900px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    background: var(--primary-color);
    color: var(--light-text-color);
    padding: 15px 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.student-info, .score {
    font-size: 1.1em;
    font-weight: 600;
}

.score {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 8px 15px;
    border-radius: 20px;
}

.exercise-card {
    background: var(--card-background);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

/* Visualización de patrones */
.pattern-visualization {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 20px;
    margin: 25px 0;
    flex-wrap: wrap;
}

.figure-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px;
    background: #f9f9f9;
    border-radius: var(--border-radius);
    border: 1px solid #e0e0e0;
}

.figure-container p {
    margin: 0;
    font-weight: 600;
}

.matches-count {
    font-size: 0.9em;
    color: var(--primary-color);
    margin-top: 10px !important;
}

.figure-svg {
    stroke: var(--text-color);
    stroke-width: 4;
    stroke-linecap: round;
    height: 60px;
}

/* Contenedor de la pregunta y respuesta */
.question-container {
    margin: 25px 0;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--light-text-color);
    border-radius: var(--border-radius);
}

.question {
    font-size: 1.2em;
    font-weight: 600;
    margin: 0 0 15px 0;
}

/* Inputs y Botones */
input[type="text"], input[type="number"] {
    width: 80%;
    max-width: 300px;
    padding: 12px;
    border-radius: 8px;
    border: 2px solid #ccc;
    font-size: 1em;
    font-family: 'Poppins', sans-serif;
    text-align: center;
    transition: all 0.3s ease;
}

input[type="text"]:focus, input[type="number"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 8px rgba(74, 144, 226, 0.5);
}

button {
    padding: 12px 25px;
    font-size: 1.1em;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--light-text-color);
    background: linear-gradient(135deg, var(--primary-color), #3a7bd5);
}

button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

button:disabled {
    background: #ccc;
    cursor: not-allowed;
    opacity: 0.7;
}

.interaction-area {
    margin-top: 20px;
    min-height: 60px; /* Espacio para el feedback */
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

/* Retroalimentación */
.feedback {
    font-size: 1.1em;
    font-weight: 600;
    padding: 10px;
    border-radius: 8px;
    width: 80%;
    max-width: 350px;
    box-sizing: border-box;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.feedback.show {
    opacity: 1;
    transform: translateY(0);
}

.feedback.correct {
    background-color: var(--correct-color);
    color: var(--light-text-color);
}

.feedback.incorrect {
    background-color: var(--incorrect-color);
    color: var(--light-text-color);
}

/* Responsividad */
@media (max-width: 600px) {
    .card {
        padding: 20px;
    }
    
    .app-header {
        flex-direction: column;
        text-align: center;
    }

    .pattern-visualization {
        flex-direction: column;
    }
}