:root {
    --game-color: #6bb661;   /* Default color (Emerald) */
    --game-color-dark: #4a9441;
}

body {
    margin: 0;
    padding: 0;
    background-color: #dddcdc;
    text-align: center;
    font-family: Arial, Helvetica, sans-serif;
    
    /* Sticky footer */
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header layout */
header {
    padding: 10px 20px;
}

.header-content {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    flex-wrap: wrap;
    gap: 10px;
}

.header-content h1 {
    margin: 0;
    flex: 1;
    text-align: center;
}

/* Language selector */
.language-selector {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    gap: 5px;
}

.lang-btn {
    padding: 8px 12px;
    font-size: 14px;
    font-weight: bold;
    border: 2px solid var(--game-color);
    border-radius: 6px;
    background: white;
    color: #333;
    cursor: pointer;
    transition: all 0.2s ease;
}

.lang-btn:hover {
    background: var(--game-color);
    color: white;
}

.lang-btn.active {
    background: var(--game-color);
    color: white;
}

/* Responsive language selector */
@media (max-width: 600px) {
    .language-selector {
        position: static;
        transform: none;
        margin-top: 10px;
    }
    
    .header-content {
        flex-direction: column;
    }
}

footer {
    margin-top: auto;        /* Pushes footer to bottom */
    padding: 20px;
    color: #ccc;
    font-size: 14px;
    text-align: center;
    background-color: #333;  /* Optional: different background */
}

.text {
    color: rgb(34, 34, 34);
}

/* Game selector */
.game-selector {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin: 20px auto;
    flex-wrap: wrap;
}

/* ROM Upload Section */
.upload-section {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin: 10px auto 20px;
    flex-wrap: wrap;
}

.upload-btn {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: bold;
    color: white;
    background: linear-gradient(135deg, #3498db, #2980b9);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.upload-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.4);
}

.delete-btn {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: bold;
    color: white;
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
}

.delete-btn:hover:not(:disabled) {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.4);
}

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

.game-selector label {
    color: #333;
    font-weight: bold;
}

.game-selector select {
    padding: 10px 20px;
    font-size: 16px;
    border: 2px solid var(--game-color);
    border-radius: 8px;
    background: white;
    cursor: pointer;
    min-width: 200px;
}

.game-selector select:focus {
    outline: none;
    border-color: var(--game-color-dark);
}

#play-btn {
    padding: 10px 24px;
    font-size: 16px;
    font-weight: bold;
    color: white;
    background: linear-gradient(135deg, var(--game-color), var(--game-color-dark));
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

#play-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(107, 182, 97, 0.4);
}

/* Contenedor del emulador - Responsivo */
#game {
    width: 90%;              /* Ocupa 90% del ancho disponible */
    max-width: 800px;        /* Máximo en pantallas grandes */
    aspect-ratio: 3 / 2;     /* Proporción GBA (240x160 = 3:2) */
    margin: 20px auto;       /* Centrado */
    min-height: 300px;       /* Altura mínima para móviles */
    border-radius: 12px;
    overflow: hidden;        /* Mantiene el border-radius en el contenido */
    background: #000000;     /* Fondo oscuro mientras carga */
    border: 8px solid var(--game-color);
}

/* Ajustes para pantallas pequeñas (móviles) */
@media (max-width: 600px) {
    #game {
        width: 100%;
        min-height: 250px;
        margin: 10px auto;
    }
}

/* Ajustes para pantallas grandes (PC/TV) */
@media (min-width: 1200px) {
    #game {
        max-width: 960px;
    }
}