/* Estilos base */
:root {
    --color-primary: #FF6B6B;
    --color-secondary: #4ECDC4;
    --color-accent: #FFE66D;
    --color-background: #F7F9FC;
    --color-text: #2D3436;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: var(--color-background);
    min-height: 100vh;
    padding-top: 80px;
}

/* Menú superior */
.menu-principal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    padding: 15px 0;
    box-shadow: var(--shadow-md);
    z-index: 1000;
}

.menu-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo h1 {
    color: white;
    font-size: 24px;
}

/* Contenedor principal */
.juego-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Panel de puntuación */
.puntuacion-container {
    background: white;
    padding: 15px 25px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-around;
    margin-bottom: 30px;
}

/* Áreas de categorías */
.categorias-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.categoria-drop {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    min-height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.2s;
}

.categoria-drop.dragover {
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
    border: 2px dashed var(--color-secondary);
}

/* Alimentos */
.alimentos-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 15px;
    margin-top: 30px;
}

.alimento {
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: move;
    transition: transform 0.2s;
}

.alimento:hover {
    transform: translateY(-3px);
}

.alimento img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    margin-bottom: 8px;
}

.alimento p {
    text-align: center;
    font-size: 14px;
    color: var(--color-text);
}

/* Panel de resultados */
.panel-resultados {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
    z-index: 1000;
}

.resultados-content {
    margin: 20px 0;
}

/* Botones */
.btn-volver, .btn-reiniciar, .btn-menu {
    background: var(--color-accent);
    color: var(--color-text);
    padding: 8px 20px;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
}

.btn-reiniciar {
    background: var(--color-primary);
    color: white;
    margin-right: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .categorias-container {
        grid-template-columns: 1fr;
    }

    .alimentos-container {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }

    .puntuacion-container {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
}

/* Pantalla de selección de nivel */
.pantalla-nivel {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--color-background);
    z-index: 100;
}

.nivel-container {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
    max-width: 500px;
    width: 90%;
}

.niveles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.btn-nivel {
    background: var(--color-primary);
    color: white;
    padding: 20px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1.2em;
    transition: transform 0.2s;
}

.btn-nivel:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.nivel-descripcion {
    display: block;
    font-size: 0.8em;
    margin-top: 8px;
    opacity: 0.8;
}

/* Modificar el estilo de los alimentos clasificados */
.alimento.clasificado {
    opacity: 0.7;
    cursor: not-allowed;
}