/* ===== BODY ===== */
body {
    margin: 0;
    background: black;
    overflow: hidden;
    font-family: monospace;
    color: #0f0;
    font-size: 20px;
    position: relative;
    min-height: 100vh;
    width: 100%;
    touch-action: none;
    -webkit-user-select: none;
    user-select: none;
}

/* ===== ARRIBA: PAUSA E INFO ===== */
#ui {
    position: fixed;
    top: 10px;
    left: 10px;
    right: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
    pointer-events: none;
}

#ui.hidden {
    display: none;
}

#pauseBtn {
    background: #111;
    color: #0f0;
    border: 1px solid #0f0;
    padding: 6px 12px;
    font-size: 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
    pointer-events: auto;
    -webkit-tap-highlight-color: transparent;
}

#pauseBtn:hover,
#pauseBtn:active {
    background: #0f0;
    color: #111;
    transform: scale(1.05);
}

#info {
    font-size: 16px;
    text-shadow: 0 0 10px #0f0;
    background: rgba(0, 0, 0, 0.7);
    padding: 5px 10px;
    border-radius: 5px;
}

/* ===== CANVAS ===== */
canvas {
    display: block;
    touch-action: none;
}

/* ===== RESPONSIVE MOBILE ===== */
@media (max-width: 768px) {
    #ui {
        top: 5px;
        left: 5px;
        right: 5px;
    }
    
    #pauseBtn {
        padding: 10px 16px;
        min-width: 80px;
        font-size: 18px;
    }
    
    #info {
        font-size: 14px;
        padding: 8px 12px;
    }
}

@media (max-width: 480px) {
    #pauseBtn {
        padding: 12px 18px;
        font-size: 20px;
        min-width: 90px;
    }
    
    #info {
        font-size: 12px;
        padding: 6px 10px;
    }
}

/* ===== ORIENTACIÓN ===== */
@media (orientation: landscape) and (max-height: 500px) {
    #ui {
        top: 3px;
    }
    
    #pauseBtn {
        padding: 6px 12px;
        font-size: 16px;
        min-width: 70px;
    }
    
    #info {
        font-size: 12px;
        padding: 4px 8px;
    }
}

/* ===== PANTALLAS MUY PEQUEÑAS ===== */
@media (max-width: 360px) {
    #pauseBtn {
        padding: 8px 12px;
        font-size: 16px;
        min-width: 70px;
    }
    
    #info {
        font-size: 11px;
        padding: 5px 8px;
    }
}